26th week of 2009 patent applcation highlights part 31 |
Patent application number | Title | Published |
20090161490 | Converters, resonators and filters for acoustic surface - The present invention relates to a transducer for surface acoustic waves, in particular the present invention relates to a resonator and a filter for surface acoustic waves on basis of the transducer according to the present invention. | 2009-06-25 |
20090161491 | ANTENNA DEVICE AND RADIO WAVE CONTROLLED TIMEPIECE - An antenna device includes an antenna for receiving a time information radio wave, and an antenna support member. In the antenna, a coil is wound around a center portion of a core. In the support member, a non-magnetic portion supports two magnetic portions independently and both end portions of the core of the antenna are magnetically coupled with the magnetic portions. A radio wave controlled timepiece includes a case in an inner space of which the antenna and the support member are installed as described above. In the inner space, a time counting unit, a time display unit connected to the time counting unit, and a time updating unit configured to update the time displayed on the display unit, based on the time information radio wave received by the antenna, are installed. | 2009-06-25 |
20090161492 | CHRONOGRAPH MECHANISM, TIMEPIECE MOVEMENT AND TIMEPIECE COMPRISING SUCH A MECHANISM - The invention relates to a chronograph mechanism comprising at least one minutes counter and one hours counter which are designed to be located both on the same side of the plate, first and second resetting members, each having a bearing surface and being able to pivot between a low position, in which each bearing surface cooperates with the periphery of a resetting cam of one of the counters, and a high position, in which each bearing surface is located at a distance from the corresponding cam. The mechanism comprises retaining means for keeping each of the resetting members in its high position, comprising a first retaining member acting directly on a first resetting member and able to be released in response to an action by a user, and a second retaining member acting directly on the second resetting member and able to be released in response to a pivoting of the first resetting member in the direction of its low position. | 2009-06-25 |
20090161493 | BISTABLE HAMMER FOR A CHRONOGRAPH MECHANISM - The invention relates to a chronograph mechanism ( | 2009-06-25 |
20090161494 | Modeling Method for Evaluating Unit Delay Time of Inverter and Apparatus Thereof - A modeling method for evaluating a unit delay time of an inverter and an apparatus thereof are disclosed. The present modeling method includes deriving a model for a plurality of inverters, including a channel length, a channel width and a gate electrode resistance as variables in the model; measuring a delay time by inputting variations in the variables; and determining a unit delay time for one inverter by dividing the delay time by the number of inverters. | 2009-06-25 |
20090161495 | POWER RESERVE INDICATOR MECHANISM - The invention concerns a power reserve indicator mechanism for a timepiece of the type comprising:
| 2009-06-25 |
20090161496 | RIBBON-DISPLAY TIMEPIECE - A timepiece includes a flexible endless ribbon ( | 2009-06-25 |
20090161497 | ALARM CONTROL MECHANISM - The invention concerns an alarm control mechanism, which is of reduced size widthways and can trigger the striking mechanism with precision. The mechanism includes a group of coaxial wheels ( | 2009-06-25 |
20090161498 | Suspension arm actuator for a scanning device - The invention relates to a suspension arm comprising a suspension arm designed as a two-arm lever, said suspension arm mounted to a support such that it can be pivoted between the lever arms about an axis extending perpendicularly to said suspension arm. One of the lever arms supports on its end side an optical head having a focal lens and comprises an elastic region for initiating a motion of the optical head in focusing direction perpendicularly to the pivot plane of the suspension arm. The other lever arm is provided with a coil of a magnetic drive for initiating a swivel motion about the axis. In addition, the suspension arm actuator comprises a magnetic drive for initiating the motion of the optical head in the focusing direction. It solves the problem of designing such a suspension arm actuator such that the sensitivity of said suspension arm actuator is increased. To achieve this, at least one of the magnetic drives is designed with at least one printed coil which is provided with at least one layer increasing the magnetic field strength. | 2009-06-25 |
20090161499 | NEAR-FIELD OPTICAL HEAD, NEAR-FIELD OPTICAL HEAD DEVICE, NEAR-FIELD OPTICAL INFORMATION DEVICE AND NEAR-FIELD OPTICAL INFORMATION SYSTEM - A conventional near-field optical head cannot be miniaturized because a scattering body generating a near field and an optical head exist individually. A near-field optical head capable of being significantly miniaturized is constituted by a near-field optical probe slider formed by holding, on a slider, a semiconductor laser, a heat dissipation member, a prism for guiding light from the semiconductor laser to a scattering body and a photodetector element. | 2009-06-25 |
20090161500 | STORAGE APPARATUS AND METHOD FOR STORING DATA - A storage apparatus includes: a storage device that stores data on a storage medium being configured with a storage area on which the data having a plurality of partial areas is repetitively overwritten; and a management unit that operates to: generate management information for managing the data based on a name assigned to the partial area, boundary information representing a boundary between the partial areas, and time information representing time on which each of the partial areas are stored; store the management information in the storage device; and set, as a name of the data, the name of one of the partial areas having the oldest time based on the management information. | 2009-06-25 |
20090161501 | FOCUS CONTROL METHOD AND OPTICAL DISC APPARATUS - According to one embodiment, when a focus servo goes off and the distance between an objective lens and a recording layer of an optical disc does not coincide with a focal length of the objective lens, a control voltage or current corresponding to an optical disc wobble stored in a memory is superimposed on a control voltage or current supplied to a driving mechanism to move an objective lens along an optical axis for re-focusing, and the superimposed voltage or current is supplied to the driving mechanism. Therefore, pull-in of a focus servo for re-focusing is possible in a short time. | 2009-06-25 |
20090161502 | INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE - An information recording medium of the present invention is an information recording medium characterized by and including a substrate; and a recording unit capable of recording three-dimensionally a recording pit on the substrate; in which the recording unit has n number of recording layers (n is an integer equal to or larger than 4) and a plurality of intermediate layers laminated with the recording layers one on another; the recording is performed by the condensed recording light using a two photon absorption phenomenon; each of the plurality of intermediate layers is substantially transparent at a wavelength λ | 2009-06-25 |
20090161503 | METHOD AND OPTICAL DRIVE FOR DETECTING A HEADER REGION ON AN OPTICAL CARRIER - The present invention relates to a method of detecting a header region for a writeable optical carrier. The method initially obtains a data signal (RF) from the optical carrier, and performs a low pass filtering the data signal (RF) for a pre-determined time constant. Subsequently, there is performed a comparison between the low pass filtered data signal (LPF_RF) and a dynamically determined threshold level (RF_th), whereby a positive indication of a header region (I, II, III) is obtained, if the low pass filtered data signal (LPF_RF) is above the dynamically determined threshold level (RF_th). In an advantageous embodiment, there is further performed a comparison of a polarity signal (DPII) to a previous polarity signal (DPI) so as to provide an indication of a land-groove transition. The present invention provides a simple and robust method of detection and header region and possibly a land-groove transition compared to the hitherto known solutions. | 2009-06-25 |
20090161504 | OPTICAL DISC DRIVE DEVICE AND TILT CORRECTION DEVICE - An optical disc drive device has an FE signal generator which generates a focus error signal, a TE signal generator which generates a tracking error signal, a return beam detector which detects a return beam reflected by an optical disc after irradiated by an optical pickup to generate a return beam level signal, a return beam gain setting part which sets amplitude adjustment amount of the return beam level signal so that a signal level of the return beam level signal generated by the return beam detector coincides with a predetermined reference level, an FE gain setting part which sets amplitude adjustment amount of the focus error signal in accordance with the signal level of the return beam level signal adjusted by the return beam gain setting part so that a signal amplitude of the focus error signal is constant, and a TE gain setting part which sets amplitude adjustment amount of the tracking error signal in accordance with the signal level of the return beam level signal adjusted by the return beam gain adjustment part so that a signal amplitude of the tracking error signal is constant. | 2009-06-25 |
20090161505 | INFORMATION RECORDING APPARATUS AND METHOD, INFORMATION REPRODUCING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information recording apparatus ( | 2009-06-25 |
20090161506 | Optical Disc Apparatus and Method for Controlling Overwrite Power - An optical disc apparatus capable of improving an overwrite performance for performing an overwrite operation on a re-writable type optical disc. The apparatus includes a calculating section which calculates out a recording power at the time of previously performing recording in a recording area of the optical disc, and a recording power determining section which determines a write power of the recording power calculated out by the calculating section as a write power of the currently recorded recording power, and at the same time, adjusts erase power, cooling power, and/or middle power of the recording power calculated out by the calculating section to finally determine the currently recorded recording power. | 2009-06-25 |
20090161507 | Infromation Recording/Reproducing Apparatus - Provided is an information recording/reproducing apparatus which suppresses consumption of a battery and prevents wasteful power consumption in the case of failing in recording and dubbing operations, including a signal processor which processes video or audio elementary stream supplied from the outside; an encoding unit which compresses information generated by the signal processor; a first recording medium which records the information compressed by the encoding unit; a connection which connects an external first power source; an internal second power source which is different from the first power source; and a controller which, when detecting a writing failure of the compressed information in the first recording medium, stops a power supply from the second power source when a recording operation of the compressed information in the first recording medium is operated only by the second power source. | 2009-06-25 |
20090161508 | INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, INFORMATION REPRODUCING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information recording medium is provided with: a recording layer (L0 layer, L1 layer) having one or a plurality of predetermined recording areas (CDZ, | 2009-06-25 |
20090161509 | OPTICAL DISC DISCRIMINATING DEVICE, REPRODUCING DEVICE, OPTICAL DISC DISCRIMINATING METHOD, OPTICAL DISC DISCRIMINATING PROGRAM AND RECORDING MEDIUM - [Problems] To accurately and speedily perform discrimination of a plurality of kinds of optical discs by an optical disc discriminating device. | 2009-06-25 |
20090161510 | RECORDING METHOD OF OPTICAL DISC DRIVE - The invention is to provide a recording method of an optical disc drive, which first calibrates the write power with minimum recording speed, adjusts write powers for higher speeds, searches a blank area in a lead-out area of a disc to record with write powers for all speeds, read signals, deletes the speeds with bad recording quality, reserves the speeds with good recording quality as recordable speed, checks the required recording speed for the address of the recording data, searches the recordable speed equal to or smaller than the required recording speed, replaces the required recording speed with the searched recordable speed, records data with the searched recordable speed and corresponding write power to ensure quality. | 2009-06-25 |
20090161511 | Optical disc discriminating method and optical disc apparatus - A detection signal is asserted when a surface of an optical disc or an information recording layer is detected. An asserting (masking) time interval of the detection signal is set such that the number of times of asserting the detection signal becomes at most two times when a focal position of the objective lens passes at least the surface of the optical disc. After the objective lens is moved for a prescribed section in a direction along which the objective lens comes closer to the optical disc, a kind of the optical disc is discriminated based on a time interval T | 2009-06-25 |
20090161512 | METHOD FOR ACCESSING DEFECT MANAGEMENT DATA - A method for accessing defect management data includes reading the required data block in an optical disc when an optical disc drive receives a command, storing data in a first buffer area, caching the required defect management data from a data cache area; otherwise, reading the required defect management data from a defect management area of the optical disc, storing the required defect management data in a second buffer area, checking if the required defect management data is hot defect management data, copying the hot defect management data to the data cache area, replacing the defect data of the first buffer area with the required defect management data, and outputting the data of the replaced first buffer area to expedite the reading process. | 2009-06-25 |
20090161513 | IMAGE PROCESSING APPARATUS AND DATA ERASING METHOD - An image processing apparatus and data erasing method make it possible to unrecoverably erase encrypted data recorded in an auxiliary storage device at high speed while reducing the load put on the CPU. Upon reception of a data erase request from a data utilizing process, the data requested to be erased is registered in a predetermined storage unit. The data registered in the storage is unrecoverably erased by overwriting, and an area in the auxiliary storage device in which the erased data was stored is released after the overwriting erasure process. | 2009-06-25 |
20090161514 | INFORMATION RECORDING APPARATUS, INFORMATION READING APPARATUS AND COMPUTER READABLE MEDIUM - An information recording apparatus includes an information obtaining unit, a sign arrangement generating unit, a sign arrangement recording unit. The information obtaining unit obtains information to be recorded on a recording medium. The sign arrangement generating unit, based on information to be obtained by the information obtaining unit, generates an arrangement having three or more kinds of signs for expressing the obtained information. The sign arrangement recording unit, while shifting recording positions of a recording area included in the recording medium, records physical features sequentially into the respective recording positions of the recording area included in the recording medium. And each physical feature corresponds to one kind of the signs. | 2009-06-25 |
20090161515 | OPTICAL DISC APPARATUS AND OPTICAL DISC DISCRIMINATING METHOD - An optical disc apparatus capable of discriminating swiftly and accurately a dual disc from other discs and an optical disc discriminating method, wherein the optical disc apparatus irradiates laser beams having a different wavelength onto the optical disc, detects the reflected light obtained by the irradiation of the laser beams having the individual wavelengths, determines amplitude of an error signal according to the detected results of the individual reflected lights, and discriminates the optical disc based on a ratio of amplitudes of the individual reflected lights. | 2009-06-25 |
20090161516 | METHACRYLATE-BOUND PHOTOISMERIZABLE CHROMOPHORE, METHODS FOR ITS SYNTHESIS AND OF ITS INTERMEDIATES - The invention discloses novel dicyanostilbene derivatives bound to a methacrylic moiety that can serve as an active chromophore in a 3-dimensional optical memory, processes for its synthesis and its intermediates. | 2009-06-25 |
20090161517 | Optical imaging device and optical sensor thereof - An optical imaging device and an optical sensor thereof are described. The optical sensor is used for sensing a signal light. The optical sensor includes a plurality of photosensitive pixels and at least one absorption wall. The absorption wall is disposed between the photosensitive pixels, and a top of the absorption wall is higher than photosensitive surfaces of the photosensitive pixels. Herein, the photosensitive pixels are used for receiving an incident signal light, and the absorption wall is used for absorbing non-parallel light components in the signal light. | 2009-06-25 |
20090161518 | Holographic recording medium and pickup for this medium - A holographic recording medium with an improved servo structure is presented. The holographic recording medium has a hologram layer for storing holograms and a servo layer for positioning a light beam for reading and/or recording of a hologram relative to the holographic recording medium. The servo layer is an essentially flat dye recording layer. A holographic pickup for use with such a holographic recording medium includes a light source for generating a light beam, which interacts with the dye recording layer for recording servo information. | 2009-06-25 |
20090161519 | OPTICAL INFORMATION RECORDING APPARATUS AND METHOD - An optical information recording apparatus includes a light source that emits an irradiation beam; a spatial light modulator that converts the irradiation beam to an information beam, the information beam having a two-dimensional modulation pattern that carries information and is formed with a plurality of first regions in which each of boundaries is formed with OFF pixels; a phase modulator that includes a plurality of second regions, and that imparts the phases to the irradiation beam or the information beam to modulate phases of the irradiation beam or the information beam; and a light collector that collects the information beam and a reference beam on an optical information recording medium that can record the information as hologram, by using interference fringes produced due to interference between the information beam and the reference beam. | 2009-06-25 |
20090161520 | OPTICAL ARRANGEMENT - An optical system is described for scanning optical record carriers of different types. The optical system includes a compensator having a number of optical elements (NPS | 2009-06-25 |
20090161521 | FILTER FOR OPTICAL RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, OPTICAL RECORDING MEDIUM, AND RECORDING AND REPRODUCING METHOD THEREFOR - There is provided a filter for an optical recording medium, including: a plurality of high refractive index layers, and a plurality of low refractive index layers, wherein the high refractive index layers and the low refractive index layers are alternately deposited, the total number of the high refractive index layers and the low refractive index layers deposited is an even number in the range of 10 to 20, and the high refractive index layers and the low refractive index layers are different in thickness from one another. Also, there is provided an optical recording medium using the filter for an optical recording medium. | 2009-06-25 |
20090161522 | Apparatus for Reproducing and/or Recording and Recording Medium - An apparatus for reproducing and/or recording a recording medium ( | 2009-06-25 |
20090161523 | USING CONTROLLED BIAS VOLTAGE FOR DATA RETENTION ENHANCEMENT IN A FERROELECTRIC MEDIA - Using controlled bias voltage for data retention enhancement in a ferroelectric media is generally described. In one example, an apparatus includes a ferroelectric film including one or more domains, the ferroelectric film having a first surface and a second surface, the first surface being opposite the second surface, an electrode coupled with the first surface, and an electrically conductive thin film coupled with the second surface wherein the electrically conductive thin film is sufficiently conductive that a controlled bias field applied between the electrically conductive thin film and the electrode is sufficient to grow, shrink, or actively maintain the size of the one or more domains disposed between the electrically conductive thin film and the electrode. | 2009-06-25 |
20090161524 | READING/WRITING HEAD USING ELECTRIC FIELD, DATA READING/WRITING APPARATUS INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A data reading/writing head reading/writing data from/to a ferroelectric recording medium by using an electric field effect, includes a semiconductor body having a first plane on which an air bearing pattern is formed and a second plane crossing the first plane. A sensing unit is located on the second plane and reads data written to the ferroelectric recording medium, wherein the second plane is separated from the first plane, and a floating gate is disposed on the sensing unit, wherein an end of the floating gate extends to the first plane to guide an electric field from the ferroelectric recording medium to the sensing unit. | 2009-06-25 |
20090161525 | Optical Pickup and Optical Disk Driving Apparatus Using the Same - An operation mode is arranged to be switched between in recording/reproducing and in adjustment. A switching circuit with a hold circuit therefor is on a light receiving element including an optical pickup having a laser light source emitting a laser beam, an objective lens focusing the laser beam onto a recording layer of a disc, and a light receiving element receiving an optical signal modulated. The light receiving element is operable in an adjustment mode for selecting of the signal of an individual light-receiving surface and for outputting the same. The light receiving element is configured so that the address selection signal line in the adjustment mode may be used also as a sensitivity switching signal line. A compact and highly reliable optical pickup with less signal lines can be provided. | 2009-06-25 |
20090161526 | Disc-shaped recording medium, cutting apparatus for same, and disc drive - There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle. | 2009-06-25 |
20090161527 | A METHOD FOR UPLINK COLLABORATIVE SDMA USER PAIRING IN WIMAX - A method, system, and communication network for grouping a pair of independent information signals on the same time-frequency orthogonal frequency division multiplexing (OFDM) resources for uplink (UL) collaborative SDMA, in a wireless communication system. An uplink scheduling (ULS) utility employs an estimated channel gain associated with the transmission path(s) of each user to create a pairing metric that effectively computes the correlation between each pair of independent information signals on a specific sub-carrier frequency channel. Pairs of information signals are considered as possible groupings when the values of the corresponding pairing metrics are less than a threshold maximum value. An optimal selection of final pairings is based on the relative values of the pairing metric(s) and other priority conditions which may include quality of service requirements. The ULS utility enables the UL scheduler to pair information signals with a clear spatial distinction and minimal correlation. | 2009-06-25 |
20090161528 | METHOD FOR EXTENDING RANGING REGION IN AN OFDMA SYSTEM - A method for uplink synchronization, in a wireless communication device, with a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is disclosed. The method comprises selecting ( | 2009-06-25 |
20090161529 | TRANSMITTER AND RECEIVER - A description is given of a transmitter including a baseband chip, a radio frequency chip and an interface unit coupling the baseband chip and the radio frequency chip. The radio frequency chip includes a modulation unit configured to modulate multiple data streams, wherein each of the data streams is assigned to a subcarrier having a frequency differing from the frequencies of the other subcarriers. | 2009-06-25 |
20090161530 | Method and System of Addressing A Problem Associated With A Network Including A Video Access Ready Device - A method can be used to detect a problem, isolate the cause of the problem to a particular device in which the cause resides, and potentially repairing the particular device. In one embodiment, the method can be fully automated using a system. In another embodiment, the method may be partly automated. In this particular embodiment, the system can perform most or all of the testing or diagnosis automatically. The system can perform the method until a point where human intervention is required. The problem, the cause, and particular device may be known at the time notification is sent to customer care, a workcenter, or another network operations center. With the information regarding the problem, cause and particular device, a technician or other personnel can be dispatched and repair the problem more quickly than if only the problem is provided and the technician needs to perform the testing and diagnosis. | 2009-06-25 |
20090161531 | INTELLIGENT DATABASE EXCHANGE FOR OSPF - The present invention relates to systems and methods for eliminating unnecessary link state database exchanges and processes when two OSPF routers are forming a full adjacency. In particular, the invention provides methods and mechanisms for deducing information about unreachable routers from link state changes received, recording the information about the unreachable routers for a given period of time, constructing a neighbor database summary list that does not contain the LSAs that the neighbor has through using the information about the unreachable routers and reachable routers, and determining whether the neighbor router is restarted after it becomes unreachable. In addition, the present invention provides a few of options to deduce and use the information about the unreachable routers and the information in the link state database for eliminating unnecessary link state database exchanges and processes. | 2009-06-25 |
20090161532 | System and Method for Troubleshooting Broadband Connections - A method is disclosed that includes detecting a problem with a broadband connection at an end device and determining whether the problem can be resolved at the end device. The method also includes requesting that a data network connection device remotely connected to the end device attempt to determine a cause of the problem when the end device cannot resolve the problem. The method also includes determining whether the broadband connection is available. When the broadband connection is available, the method includes initiating a broadband data communication session via the data network connection device. | 2009-06-25 |
20090161533 | ACTIVE FAULT MANAGEMENT FOR METRO ETHERNET SERVICE OVER MPLS NETWORK - In one embodiment, a technique for detecting a break in a pseudowire and automatic shutting down user network interface (UNI) ports affected by the break is provided. In response to the loss of connectivity on the shut down ports, customer edge devices may automatically switch over to redundant circuits (e.g., other UNI ports not affected by the break in the pseudowire) and establish a different pseudowire. | 2009-06-25 |
20090161534 | Network relay apparatus - A network relay apparatus receives sub data different from main data by data transmission/reception processing units of a working system and a spare system, and when communication paths of the working system and the spare system are both working normally, makes the sub data flow through the communication path of the spare system. When a failure occurs in the communication path of the working system, the network relay apparatus switches the communication path for the main data to the spare system, and accordingly notifies it to a data relay unit, which is a relay destination of the main data. In the data relay unit, based on a notified content, corresponding relationships of ports in the unit are changed so that the received main data is output from the same output port as before. | 2009-06-25 |
20090161535 | Resilient PPP/ML-PPP services over multi-chassis APS protected routers - A system and method for resilient communication services under multi-chassis APS protected routers, including one or more of the following: an add-drop multiplexer; a working chassis; a plurality of working lines of communication between the add-drop multiplexer and the working chassis; a protection chassis; a plurality of protection lines of communication between the add-drop multiplexer and the protection chassis; and a multi-chassis APS control link between the working chassis and the protection chassis, wherein a plurality of active entities in the working chassis having state information send their state information to parallel inactive entities in the protection chassis by way of the multi-chassis APS, ones of said active entities send changed state information to parallel ones of said inactive entities through said multi-chassis APS control link upon a state change in said ones of said active entities, and ones of said inactive entities that were down request current state information from said active entities through said multi-chassis APS control link when said ones of said inactive entities that were down come back up after being down. | 2009-06-25 |
20090161536 | SELF-FAULT ISOLATION IN TRANSPARENT p-CYCLE NETWORKS - Span protection has advantages in speed, locality of action and simplicity but requires that the failed span be located in real time. Recent work proposed rapid fault-localization via monitoring cycles (m-cycles). Span-protecting structures (such as p-cycles) operate and are designed separately from the monitoring cycles in this architecture. We have invented a means of designing survivable networks wherein a span protecting p-cycle network inherently includes the properties of a set of fault localizing m-cycles at zero or minimal additional network design cost. Results show that this can be achieved with the same localization effectiveness as separately designed m-cycle solutions, at little or no extra cost. | 2009-06-25 |
20090161537 | NETWORK DATA ROUTING PROTECTION CYCLES FOR AUTOMATIC PROTECTION SWITCHING - A computer network processes data packets in the event of a network link failure. The network includes a plurality of routers that deliver data packets to the network via a plurality of links. At least one router includes a protection cycle manager. The protection cycle manager has a protection cycle packet identifier and a protection cycle packet processor. The protection cycle packet identifier identifies, as protection cycle packets, data packets having a specific protection cycle format. The protection cycle packet processor processes protection cycle packets to determine whether the packet destination corresponds to the routing node, and if the packet destination corresponds to the routing node, the protection cycle packet is treated by the routing node as a data packet received from the packet source via the failed link. Otherwise, if the packet destination does not correspond to the routing node, the protection cycle packet is sent to a protection cycle node for the routing node. | 2009-06-25 |
20090161538 | Client/server adaptation scheme for communications traffic - A communications system in which carrier Ethernet conveys a plurality of differing types of client signals encapsulated with a generic framing procedure adaptation layer. The client signals are adapted for encapsulation within the carrier Ethernet frames by mapping said client signal within an generic framing procedure adaptation layer signal and then by mapping said generic framing procedure adaptation layer signal into said carrier Ethernet signal, whereby said client signal is identified within said generic framing procedure signal. | 2009-06-25 |
20090161539 | SIGNAL TRANSMISSION METHOD AND BASE STATION IN MOBILE COMMUNICATION - A signal transmission method checks, when detecting an occurrence of a communication request, whether the communication request is a high speed communication (step S | 2009-06-25 |
20090161540 | QUALITY OF SERVICE MANAGEMENT FOR A WIRELESS LOCAL AREA NETWORK - A method for managing quality of service (QoS) in a wireless local area network begins by receiving a traffic flow. The traffic flow is mapped to a traffic class (TC), based on QoS requirements of the traffic flow. A transmission budget of an access class (AC) is calculated, each AC including at least one TC. A determination is made whether the traffic flow can be admitted, by calculating whether the transmission budget can support the traffic flow. If the traffic flow is admitted, the parameters of the TC are adjusted and collisions in the TC between existing traffic flows and the newly admitted traffic flow are managed. | 2009-06-25 |
20090161541 | RESOURCE ALLOCATION PLAN IN A NETWORK - A method and Resource Allocation Manager Entity for obtaining an improved resource allocation plan for the network. Traffic requests currently exist in a network, each of which having a source, a destination and at least one Quality of Service (QoS) requirement being represented by a QoS value. For each traffic request, at least one potential path consisting of a plurality of links is computed. An iteration matrix is generated having the potential path on first axis, the links on second axis and the QoS requirement on third axis. The iteration matrix is filled by, for each of potential path, distributing the QoS value of the QoS requirement over the links for enabling a gradient space calculation method on the iteration matrix. The gradient space calculation method is applied to the iteration matrix until an iteration marker thereof indicates that the iteration matrix contains the improved resource allocation plan. | 2009-06-25 |
20090161542 | RESOURCE AVAILABILITY INFORMATION SHARING (RAIS) PROTOCOL - The present disclosure provides a technique for propagating resource availability information in a network. The technique generally includes storing resource availability information indicating end to end bandwidth availability on multiple paths between the apparatus and a destination in a network and calculating the end to end bandwidth availability based on resource capacity information received from network nodes along the multiple paths. | 2009-06-25 |
20090161543 | SYSTEM AND METHOD FOR MULTI-CHANNEL DATA-ADAPTIVE THRESHOLDING FOR SHARED CHANNELS WITH TIME-VARYING RATE CONSTRAINTS - A system and method allocates bandwidth for a plurality of data sources within a communications network. The data sources each generate data and transmit the generated data along communications channels in a shared communications link of the communications network. Each data source includes a data sensor for sensing data generation at each data source indicative of network resource usage. A node is connected to the communications link for receiving the data generated from respective data sources. A controller is associated with at least one of the node and each data sensor and data source for establishing data sensor detection thresholds, reallocating excess data capacity from underused channels to those channels requiring excess data capacity, and setting new data detection thresholds for each data sensor based on reallocated data rates at each data source. | 2009-06-25 |
20090161544 | CATEGORIZING, CLASSIFYING, AND IDENTIFYING NETWORK FLOWS USING NETWORK AND HOST COMPONENTS - Network flows are identified by analyzing network traffic and network host information. The network host information may be collected by network host monitors associated with network hosts. Network traffic and network host information are evaluated against network flow profiles to identify network flows. If a network flows are identified with high certainty and are associated with previously identified network applications, then network flow policies can be applied to the network flows to block, throttle, accelerate, enhance, or transform the network flows. If a network flow is identified with lesser certainty or is not associated with a previously identified network application, then a new network flow profile can be created from further analysis of network traffic information, network host information, and possibly additional network host information collected to enhance the analysis. New network flow profiles can be communicated with a service provider for analysis and potential distribution to other networks. | 2009-06-25 |
20090161545 | DOWNLINK FLOW CONTROL - Systems and methodologies are described that facilitate providing flow control feedback for controlling downlink data transmission rates. Various schemes can be utilized to send the flow control feedback from an access terminal to a base station. For example, a control PDU (e.g., MAC control PDU, PDCP control PDU) can be generated based upon a level of resource utilization of the access terminal, and sent to the base station for controlling the downlink data transmission rate. Following this example, a type of control PDU, a value included within the control PDU, etc. can be selected as a function of the level of resource utilization. By way of another illustration, a CQI report that includes a value selected as a function of the level of resource utilization associated with the access terminal can be generated and transmitted to the base station for controlling the downlink data transmission rate. | 2009-06-25 |
20090161546 | Methods and systems for alleviating network congestion - Methods and systems for detecting and predicting congestion patterns from network feedback are described. In the inventive embodiments, network feedback in the form of binary feedback messages is received. The network feedback can comprise any suitable feedback messages and, in the illustrated and described embodiments comprise packet loss events or ECN marks, to name just a few. The inventive embodiment uses the network feedback to predict when congestion is likely to occur in the future. Based on these predictions, the behavior of end users within the system can be modified so that congestion is reduced. Specifically, the data packets that are typically transmitted by the end users can be delayed until such a time when the predicted congestion is mitigated. Thus, the inventive systems and methods take a predictive, proactive approach to addressing network congestion issues, rather than a reactive approach. | 2009-06-25 |
20090161547 | Compression Mechanisms for Control Plane-Data Plane Processing Architectures - Methods, apparatuses, and systems directed to efficient compression processing in system architectures including a control plane and a data plane. Particular implementations feature integration of compression operations and mode selection with a beltway mechanism that takes advantage of atomic locking mechanisms supported by certain classes of hardware processors to handle the tasks that require atomic access to data structures while also reducing the overhead associated with these atomic locking mechanisms. | 2009-06-25 |
20090161548 | Methods and Apparatus for Event Distribution in Messaging Systems - Methods and apparatus for distributing events among a set of traffic processor in a telecommunication network. The methods and apparatus determines a traffic processor from the set of traffic processors with the lowest traffic load, the traffic load is determined for each traffic processor of the set of traffic processors based on a weighting factor, an event queue length of a traffic processors and a current traffic load. Events are re-distributed when a change occurs in the set of traffic processors. The re-distribution is based on a determination of an allowable event queue length for each traffic processor of the set of traffic processors, which is based on the current traffic load, an optimal traffic load and a maximum event queue length. | 2009-06-25 |
20090161549 | DIAGNOSING PROBLEMS ASSOCIATED WITH ROUTE GROUPS IN A NETWORK - A system and method directed to diagnosing a problem associated with a route group in a network are disclosed. A problem associated with a route group is diagnosed by comparing inventory information associated with a route group to current route information associated with a router, where the router is associated with the route group. The process followed for diagnosing a problem associated with a route group depends on whether there is a mismatch between the inventory route information and the current route information. | 2009-06-25 |
20090161550 | Home Phoneline Network Alliance Responder for IPTV Installations - A device for testing a home phoneline network alliance performance of a local network is disclosed. The device includes a first network interface, a second network interface, a test module, and a processor. The first network interface is adapted to connect with the local network through a first type of cable. The second network interface is adapted to connect with the local network through a second type of cable. The test module is connected to the first network interface and to the second network interface, the test module is adapted to receive a test signal transmitted over a cable in the local network. The processor is connected to the test module and is adapted to execute a plurality of program instructions to determine a signal quality for the test signal received over the cable and to output a performance result signal for the cable in the local network based on the signal quality. | 2009-06-25 |
20090161551 | Internet protocol service level agreement router auto-configuration - Once the user has configured which call paths to monitor, VOIP automatically creates all the required IP SLA operations, including turning on the responder on the destination side. When these operations disappear, either due to their periodic expiration or due to a router reset, so the service dynamically recreates the IP SLA operations as necessary. | 2009-06-25 |
20090161552 | Method for Testing a Communication Network by Means of a Terminal - The invention relates to a method for testing a communication network by means of a terminal, which is provided with a screen and is used for exchanging information via a telecommunication network. The inventive method comprises the following steps: a step for periodically totally or partly retrieving values of the terminal screen pixels, a step for computing on the base of said pixel values one or several parameters representative for the screen content and a step for transmitting said one or several parameters to storing and/or analyzing means. | 2009-06-25 |
20090161553 | APPARATUS FOR ANALYZING UBIQUITOUS SENSOR NETWORK PROTOCOL - An apparatus for analyzing a USN protocol includes a packet analyzer and a protocol analyzer. The packet analyzer collects packets communicated between USN sensor nodes through at least one or more channels. The protocol analyzer processes/displays the collected packets using an XML schema defined according to the USN protocol. Thus, the USN protocol analyzing apparatus can decode/encode packets collected through a plurality of channels. | 2009-06-25 |
20090161554 | COOPERATIVE DIAGNOSIS OF WEB TRANSACTION FAILURES - A client-based collaborative approach called WebProfiler is used for diagnosing Web transaction failures. The WebProfiler leverages end-host cooperation to pool together observations on the success or failure of Web transactions from multiple vantage points. These observations are utilized by a collaborative blame attribution algorithm to identify a suspect network entity that caused the Web transaction failure. | 2009-06-25 |
20090161555 | RADIO ACCESS STATION APPARATUS AND METHOD OF CONTROLLING CALL IN PORTABLE INTERNET SYSTEM - Provided are a radio access station (RAS) apparatus and a method of controlling a call in a portable Internet system, that are capable of dispersing traffic concentrated in an access control router (ACR). According to the apparatus and method, an operation, administration and maintenance (OAM) task for operation and management of a RAS, an admission task for call admission processing and service flow control for a portable subscriber station (PSS), a public key manager (PKM) task for authentication and registration of the PSS, a mobility task for handover processing for the PSS, and an account task for accounting are implemented as modules in the RAS. A call control procedure capable of being performed in the RAS is performed in the RAS by the tasks, thereby embodying a RAS-based call control method. Therefore, in comparison with a conventional ACR-based call control method, it is possible to disperse traffic loads concentrated in an ACR and establish an economical network. | 2009-06-25 |
20090161556 | Methods and Apparatus for Fault Identification in Border Gateway Protocol Networks - Systems and techniques for fault analysis in a data communication system. A fault analysis console in a provider network serving one or more customer networks responds to a reported loss of connectivity in the customer network by analyzing traffic statistics for a router serving the customer network. If traffic statistics indicate network functionality, border gateway protocol status is evaluated for logical channels being served by the router. Test communications are performed for customer edge router addresses for the logical channels and border gateway protocol status is evaluated for each customer edge router address. Test communications are then performed from a local provider edge router to each remote customer edge router being served. | 2009-06-25 |
20090161557 | METHOD AND SYSTEM FOR PERFORMING NETWORK DIAGNOSTICS UTILIZING A SECONDARY COMMUNICATIONS MEDIUM - A method, comprising detecting a problem associated with a network communications link of a primary communications medium, performing one or more actions on a first network element communicatively coupled to the network communications link in response to detection of the problem, and transmitting data associated with the problem from the first network element to a second network element utilizing a secondary communications medium. | 2009-06-25 |
20090161558 | ROUTING LOOP DETECTION CONTROL APPARATUS - There is disclosed a technique which can detect a packet routing loop (in particular, a nesting loop formed by MRs (mobile routers). According to this technique, an MR | 2009-06-25 |
20090161559 | ERROR IDENTIFICATION IN A COMPUTER-BASED NETWORK - A method for identifying possible error causes in a network having a plurality of computer-based nodes is provided. The method comprises proceeding from a control node, the execution of a test module in each case running locally on all or on selected nodes that are to be tested is triggered for the purpose of identifying possible error causes on the respective node; testing of a network connection between all or selected nodes that are to be tested for the purpose of identifying possible error causes; and recording of a result including one error cause, provided such a cause can be identified. | 2009-06-25 |
20090161560 | NODE, METHOD AND SYSTEM OF FAULT LOCALIZATION IN MULTICAST MPLS NETWORKS - A multicast MPLS networks node in network communication field and a method and a system for fault localization are provided. The method includes a step that a leaf node judges the connectivity of a multicast path; a root node generates a fault localization message to perform fault localization for a fault branch after learning the branch where the fault is located in accordance with the judgment result of the leaf node. An embodiment of the present invention further provides a fault localization system for Multicast MPLS networks, which includes a connectivity checking module, a root node learning module, a node reply module and a fault localization module. The technical solution in the embodiment of the present invention restrains unnecessary message, reduces redundant information, and improves network efficiency by carrying the information of the fault branch in the fault localization message to perform fault localization only for the fault branch. | 2009-06-25 |
20090161561 | Method and system for determining characters of channels - The present invention relates to cis-1,2-substituted stilbene derivatives, or their pharmaceutically acceptable salts, glucosides or solvates, a pharmaceutical composition comprising the compound, and use of said compound for preparation of a drug for treatment and/or prevention of diabetes or improvement of diabetic complications. | 2009-06-25 |
20090161562 | SYSTEMS AND METHODS FOR SCALABLE AND RAPID ETHERNET FAULT DETECTION - The present invention provides scalable and rapid Ethernet fault detection which eliminates the requirement to contiguously send heartbeat frames at regular intervals to detect connectivity faults for each Ethernet Path. The present invention generates Continuity Check Message (CCM) frames only when a fault occurs, continues generating CCM frames while the fault remains, and discontinues when the fault clears. The present invention can be utilized with Ethernet Protection Switching to rapidly detect faults. Additionally, the present invention can be used in any Ethernet topology including point-to-point, rings, and the like. | 2009-06-25 |
20090161563 | REDUNDANCY METHOD AND SWITCH APPARATUS - A redundancy method in which a network is made redundant with a working path and a protection path. The method includes transmitting a working system supervising frame and a protection system supervising frame from a switch apparatus on transmission side to the working path and the protection path; passing, by a switch apparatus on reception side, the working system supervising frame received from the working path as well as abolishing the protection system supervising frame and passing the protection system supervising frame received from the protection path as well as abolishing the working system supervising frame; and performing a connectivity check for the working path and the protection path by using the passed working system supervising frame and the passed protection system supervising frame. | 2009-06-25 |
20090161564 | TRANSMISSION APPARATUS AND ALARM CONTROL METHOD - A transmission apparatus having a function of establishing a connection of a path that is a signal communications channel in a communications network includes a masking part configured to mask an alarm detected after the connection of the path is established in the transmission apparatus; an alarm status detection part configured to detect a change in the status of the alarm; and an unmasking part configured to unmask the alarm masked by the masking part in response to the alarm status detection part detecting the change in the status of the alarm. | 2009-06-25 |
20090161565 | System and Method of Remote Testing in Loopback Mode Using MGCP/NCS - This invention relates to a system and method of monitoring, by establishing end to end loopback testing across one or more networks with dissimilar transport technologies. The system allows for connection in loopback mode from a standard interface on a test device to a media adaptor located on an IP-based access network, such as a standard multimedia terminal adapter (“MTA”). End-to-End Quality of service delivered over the transmit and receive path can thus be monitored. Loopback tests are initiated from designated endpoints on the network and made operational by attaching a tag to a telephone number, to allow the gateway to signal connection mode to a call agent. The system and method overcome certain inherent limitations of the MGCP/NCS architecture | 2009-06-25 |
20090161566 | Network Management System and Method for Performing Scalable Loss Measurements within an Access Network - A network management system and a method are described herein that determine if one or more devices (e.g., consumer premises equipment(s)) are experiencing an unacceptable packet loss for downstream multicast traffic in an access network. In one embodiment, the network management system performs the following operations: (1) cause a trigger probe to be sent to the one or more devices, where each trigger probe contains information which causes the corresponding device to start a packet loss measurement; and (2) receive an unacceptable loss measurement message from one of the devices if that one device experienced packet losses over a certain period of time that exceeded a predetermined threshold which would be an indication that the one end device is experiencing an unacceptable packet loss. | 2009-06-25 |
20090161567 | DETECTION OF ROUTING LOOPS BASED ON TIME-TO-LIVE EXPIRIES - A method and system for detecting routing loops and time-to-live (TTL) expiry attacks in a telecommunications network are disclosed. The detection of routing loops and TTL expiry attacks can be achieved based on the comparison of TTL expiries occurring on two or more routers in the network. A quantity of TTL expiries associated with a router can be summed. Additionally, a quantity of TTL expiries associated with other routers that are operatively coupled to the router can be summed. A difference between the sums can be calculated and a determination of whether a routing loop exists can be made in response to the difference. | 2009-06-25 |
20090161568 | TCP data reassembly - Method and apparatus for processing computer network data. An embodiment of the invention comprises a first device for receiving a stream of data, said stream comprising at least a first data frame, said first data frame having been sent from a second device | 2009-06-25 |
20090161569 | SYSTEM AND METHOD FOR FACILITATING CARRIER ETHERNET PERFORMANCE AND QUALITY MEASUREMENTS - An Ethernet metric system and methodology which provides comparable measurements over a data link layer for use in network engineering and Service Provider (SP) performance monitoring. The Ethernet metric system of the present invention utilizes a measurement appliance known as a nodal member for measuring various Ethernet and IP metrics. A plurality of nodal members is used to make one-way or round-trip measurements over asymmetrical paths. The system includes a database for storing measurement data recorded by the plurality of nodal members. A workstation is also contemplated to facilitate system configuration and reporting of measurement data. The system further includes at least one service daemon for interfacing between the plurality of nodal members and the database. Additionally, the service daemon instructs the plurality of nodal members to create vectors and obtain vector configuration from the database. The service daemon processes results data transmitted from the nodal members to the database. | 2009-06-25 |
20090161570 | OPTIMAL COMBINATION OF SAMPLED MEASUREMENTS - Two regularized estimators that avoid the pathologies associated with variance estimation are disclosed. The regularized variance estimator adds a contribution to estimated variance representing the likely error, and hence ameliorates the pathologies of estimating small variances while at the same time allowing more reliable estimates to be balanced in the convex combination estimator. The bounded variance estimator employs an upper bound to the variance which avoids estimation pathologies when sampling probabilities are very small. | 2009-06-25 |
20090161571 | METHOD AND APPARATUS FOR TRIGGERING RADIO LINK CONTROL PACKET DISCARD AND RADIO LINK CONTROL RE-ESTABLISHMENT - A method and apparatus for triggering radio link control (RLC) re-establishment and/or protocol data unit (PDU) discard are disclosed. An RLC entity maintains a state variable for counting a total number of transmissions and/or retransmissions of an RLC PDU and its PDU segments. If the state variable reaches a threshold, the RLC entity initiates RLC re-establishment and/or discards the RLC PDU and PDU segments. The state variable may be incremented each time a negative acknowledgement is received for at least a portion of the RLC PDU or when a retransmission is considered for the RLC PDU or a portion of the RLC PDU. The RLC entity may increase a state variable proportionate to a retransmitted data size. The RLC entity may maintain separate state variables for the RLC PDU and PDU segments and counts the number of transmissions and/or retransmissions for the RLC PDU and the PDU segments. | 2009-06-25 |
20090161572 | METHOD AND A DEVICE FOR ACKNOWLEDGING DATA RECEIVED BY A COMMUNICATION DEVICE IN A COMMUNICATION NETWORK - The invention relates to a method for acknowledging data received by a communication device, the data being received by data packets, with each packet comprising a plurality of data blocks. The communication device:
| 2009-06-25 |
20090161573 | Network System, Edge Node, and Access Device - In order to specify a data discarding point in a network, provided is a network system for collecting, in the network including an access network and a transport network, pieces of statistical information including a traffic amount of the network, including: an access terminal coupled to the access network; and an edge node for interconnecting the access network and the transport network, in which: the access terminal is configured to: measure pieces of statistical information including a traffic amount in the access terminal; and notify the edge node of the measured pieces of statistical information; and the edge node collects the pieces of statistical information notified by the access terminal. | 2009-06-25 |
20090161574 | Method and System for Establishing a Communications Connection - According to one embodiment of the invention, a method for establishing a communications connection is provided. The method includes transmitting, by a digital subscriber line access multiplexer to a communications device, a plurality of parameters each representing a different indication of a same feature of the digital subscriber line access multiplexer. Each parameter is correlated with one or more communications settings. The method also includes establishing a plurality of digital subscriber line connections with the communications device. Each connection corresponds with a particular one of the parameters. The method also includes selecting one of the connections as meeting a predetermined criteria. The method also includes identifying one of the parameters that corresponds to the selected connection. The method also includes establishing a digital subscriber line connection with the communications device using at least one communications setting correlated with the identified parameter. | 2009-06-25 |
20090161575 | Long Term Evolution User Equipment Multi-Packet Data Network Connectivity Control - A system is provided for controlling user equipment connectivity to packet data networks. The system includes a profile maintaining information related to connectivity of the user equipment to one or more packet data networks. The system also includes one or more processors programmed to accept a user selection of one or more of the packet data networks maintained by the profile and to promote connection to the selected packet data networks. | 2009-06-25 |
20090161576 | Methods And Systems For Sending Information To A Zone Included In An Internet Network - Methods and systems are described for sending information to a zone included in an internet network. In one embodiment, zone address information identifying a connected region of topology of a given scope included in an internet network is received. The scope is a topological span within which a network address is usable. A message is generated. The message includes a message header including a destination portion including an outside-scope unicast identifier having a zone identifier based on the zone address information. The destination portion does not include a zone network interface portion specified for identifying a network interface of a zone node included in the identified zone. The message is transmitted for routing based on the zone identifier to a border node having an outside network interface for receiving the message and an inside network interface for routing the message to a service. | 2009-06-25 |
20090161577 | Method and System for De-Sychronizing Link State Message Refreshes - A node having a memory storing a network topology and a routing table. The node also having a processing device programmed to generate a link state message and during the generating of the link state message, set a value of an age field of the link state message to a random value. | 2009-06-25 |
20090161578 | Data routing method and device thereof - A method for routing data through a network of devices is disclosed. Each device using the information provided by immediate neighbors | 2009-06-25 |
20090161579 | Method, system, and apparatus for implementing network capable input devices - Interaction with network capable input device involves advertising, from a mobile device coupled to an Internet Protocol (IP) network, a user input service via an ad-hoc peer-to-peer protocol of the IP network. The user input service is established with a controlled device via the ad-hoc, peer-to-peer protocol. User input events are detected at the mobile device, and the user input events are provided to the controlled device in accordance with parameters of the established user input service. | 2009-06-25 |
20090161580 | Self-service terminal - A self-service terminal comprises a plurality of devices, each device providing management information. A management agent is installed in the terminal and adapted to monitor the plurality of devices. In the event that management information from a device indicates that there is a fault, the management creates and transmits a notification. A communications stack is adapted to receive the transmitted notification from the management agent. A self-service terminal application is adapted to (i) monitor the communications stack to receive the transmitted notification, (ii) package the notification within a host message conforming to a host messaging format, and (iii) transmit the host message to a remote host via a legacy network. | 2009-06-25 |
20090161581 | ADDRESS AUTOCONFIGURATION METHOD AND SYSTEM FOR IPv6-BASED LOW-POWER WIRELESS PERSONAL AREA NETWORK - An IP address autoconfiguration method and system of an IPv6-based Low Power WPAN for reducing network traffics is applicable for an Internet Protocol (IP) based network including a plurality of devices. The address autoconfiguration method generates and broadcasts, at a first device, a beacon frame containing an adaptive router advertisement (RA) message having prefix information, and configures, at a second device received the beacon frame, an IP address using the prefix information extracted from the adaptive RA message carried by the beacon frame and a physical address of the second device. The system includes a first type device which broadcasts a beacon frame carrying a prefix; at least one second type device which relays the prefix using a beacon frame; and at least one terminal device which configures an IP address using the prefix in the beacon frame and a physical address of the terminal device. | 2009-06-25 |
20090161582 | METHOD FOR INTELLIGENTLY SELECTING WIRELESS ACCESS POINT - A method and system for selecting and connecting to an access point in a wireless network of devices, such as a Bluetooth network. Initially, an initiator device is preconfigured with a list of available access point addresses. The initiator device broadcasts an inquiry message that is received by available wireless devices which, in turn, respond with their respective addresses, occupancy level and device classification. The initiator device compares the respondent addresses with the preconfigured access point addresses and connects to a match, thus terminating the inquiry, provided certain fitness functions are satisfied. The fitness functions might include such considerations as occupancy rate, device classification, signal strength, or physical distance of separation. The list of addresses on the initiator device is updated automatically upon connecting with a network server whenever a new device is added or an old one removed from the network server's access point address list. | 2009-06-25 |
20090161583 | CREATING MULTIPOINT-TO-MULTIPOINT MPLS TREES IN AN INTER-DOMAIN ENVIRONMENT - In one embodiment, a method is provided. A first root node of a first Multipoint-to-Multipoint (MP2MP) Multi-Protocol Label Switching (MPLS) tree, advertises to a second root node of a second MP2MP MPLS tree a first label for the second root node to use to send multicast traffic to the first MP2MP MPLS tree. The first root node receives a second label from the second root node for the first root node to use to send multicast traffic to the second MP2MP MPLS tree. Communications are carried out between the first MP2MP MPLS tree and the second MP2MP MPLS tree using the first label and the second label. In another embodiment, apparatus are also provided. | 2009-06-25 |
20090161584 | METHOD FOR A ROOT PATH CALCULATION IN A SHORTEST PATH BRIDGE - A method for root path calculation in a shortest path bridge, including: in the case that there are a plurality of equivalent paths whose total path cost to a root bridge is equal, determining a root path corresponding to the root bridge based on the minimum/maximum value of bridge ID in the plurality of equivalent paths. The method can generate symmetric paths for different root bridges under a multiple spanning tree circumstance of shortest path bridge. | 2009-06-25 |
20090161585 | VOIP Music Conferencing System - A system is disclosed and includes a network interface to receive a first Internet Protocol (IP) message within a first Voice over Internet Protocol (VoIP) call over a network, where the first IP message carries a first Musical Instrument Digital Interface (MIDI) signal. The system also includes a processor to receive the first IP message from the network interface and to extract the first MIDI signal from the first IP message. | 2009-06-25 |
20090161586 | TRANSMITTER-RECEIVER - There is provided a transmitter receiver apparatus in which a directional coupler and single pole double throw (SPDT) switches are includes on the reception side. In the directional coupler, a reception signal is inputted and split into two signals having phases different from each other by 90° and the two split signals are outputted to SPDTs. Each of the SPDTs outputs each of the split signals to an output terminal connected to an amplifier during a passage mode and to a terminal terminated with a predetermined impedance during a blocking mode. | 2009-06-25 |
20090161587 | MOBILE COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, AND POWER-SAVING TRANSMISSION AND RECEPTION METHOD USED IN THEM - There is provided a mobile communication system that can prevent a situation in which, although there is no occasion to receive packets for a mobile station, the reception processing is continued and useless power is undesirably consumed. The mobile communication system includes a base station that repeats a transmission period and a transmission halt period with a constant control cycle, and mobile station that repeats a reception period and a reception halt period with a constant control cycle (antenna, duplexer, reception unit, user data separation unit, packet transmission determination unit, reception period determination unit, packet reception determination unit, and signal synthesis unit). The mobile station alternately repeats the reception period and reception halt period, sends the reception result to the base station, and starts the reception period according to the start of the transmission period of the base station to receive packets. In case all the packets cannot be correctly received during the reception period, the reception period is extended by a predetermined period in the control cycle. Furthermore, in case all the packets can be correctly received during the reception period, the mobile station transfers to the reception halt period to halt the reception. | 2009-06-25 |
20090161588 | SYSTEMS AND METHODS FOR CONTROLLING THE VOLTAGE OF SIGNALS USED TO CONTROL POWER AMPLIFIERS - A method for controlling the voltage of signals used to control power amplifiers is described. A first multiplexer and a second multiplexer are set to an enabling signal. The first multiplexer is on a first integrated circuit and the second multiplexer is on a second integrated circuit. A command is written to the first multiplexer to set the first multiplexer to one of a plurality of control signals used to control a power amplifier. A command is written to the second multiplexer to select one of the plurality of control signals that maps to the first multiplexer. The second integrated circuit is connected to a power supply. | 2009-06-25 |
20090161589 | WAKE-UP IN CLASS-BASED NETWORKING - A method for communicating to a recipient transceiver from a plurality of transceivers located within the broadcast range of the recipient transceiver includes: transmitting a communication at a first power level such that only a first group of transceivers receive the broadcast, the communication including a command causing each of the first group of transceivers not to respond to a subsequent broadcast; and subsequent thereto, transmitting a communication at a second power level greater than the first power level such that a second group of transceivers greater than and including the first group of transceivers receive the broadcast, but such that only a limited number of transceivers of the second group respond to the broadcast, the limited number of transceivers excluding the first group of transceivers. Each of the plurality of transceivers is associated with a respective sensor for acquiring data and transmitting the data to the recipient transceiver. | 2009-06-25 |