08th week of 2011 patent applcation highlights part 35 |
Patent application number | Title | Published |
20110044629 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044630 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044631 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044632 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044633 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044634 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044635 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044636 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044637 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044638 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044639 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044640 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044641 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044642 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044643 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044644 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044645 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044646 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044647 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044648 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044649 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044650 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044651 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044652 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044653 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044654 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044655 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044656 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA21 in FIG. | 2011-02-24 |
20110044657 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044658 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044659 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044660 | INFORMATION PROCESSING APPARATUS, METHOD, AND PROGRAM - An information processing apparatus includes: a detecting portion detecting a signal format of a particular reproduction interval having the longest reproduction time among contents constituted by a plurality of reproduction intervals; and a converting portion converting signal formats of the reproduction intervals of the contents other than the particular reproduction interval into the signal format of the particular reproduction interval. | 2011-02-24 |
20110044661 | METHOD AND SYSTEM FOR DIRECT RECORDING OF VIDEO INFORMATION ONTO A DISK MEDIUM - A method for converting video information from an incoming format to an outgoing format using a process free from one or more intermediary files. The method includes receiving video information in a first format and receiving a desired output media format based upon a first input and a desired TV standard based upon a second input. The method decodes the video information in the first format to raw video information in an uncompressed format and directly resizes the raw video information in the uncompressed format into a size associated with the desired output media format and the desired TV standard. The method adjusts the uncompressed format in the size associated with the desired output media format and the desired TV standard to a frame rate associated with the desired TV standard and encodes the uncompressed format in the size and the frame rate into an elementary video stream. A step of multiplexing the elementary video stream with audio information in the desired output media format and the desired TV standard to form video and audio information in a presentation format based upon the desired output media format and the desired TV standard is included. | 2011-02-24 |
20110044662 | Method and apparatus for composition of subtitles - Embodiments of the invention include a subtitling format encompassing elements of enhanced syntax and semantic to provide improved animation capabilities. The disclosed elements improve subtitle performance without stressing the available subtitle bitrate. This will become essential for authoring content of high-end HDTV subtitles in pre-recorded format, which can be broadcast or stored on high capacity optical media, e.g. the Blue-ray Disc. Embodiments of the invention include abilities for improved authoring possibilities for the content production to animate subtitles. For subtitles that are separate from AV material, a method includes using one or more superimposed subtitle layers, and displaying only a selected part of the transferred subtitles at a time. Further, colors of a selected part of the displayed subtitles may be modified, e.g. highlighted. | 2011-02-24 |
20110044663 | Moving image recording apparatus, moving image recording method and program - There is provided a moving image recording apparatus including a feature amount extracting unit which extracts plural types of feature amount data relating to feature amounts characterizing moving image data from the moving image data, a memory unit at which the plural types of feature amount data extracted by the feature amount extracting unit and the moving image data are recorded being mutually associated, and a duplicate content searching unit which searches duplicate contents being mutually duplicated moving image data out of a plurality of the moving image data stored in the memory unit based on the plural types of feature amount data. | 2011-02-24 |
20110044664 | THREE-DIMENSIONAL VIDEO CONVERSION RECORDING DEVICE, THREE-DIMENSIONAL VIDEO CONVERSION RECORDING METHOD, RECORDING MEDIUM, THREE-DIMENSIONAL VIDEO CONVERSION DEVICE, AND THREE-DIMENSIONAL VIDEO TRANSMISSION DEVICE - A three-dimensional video conversion recording device capable of recording three-dimensional video data on a recording medium after reducing data amount thereof, includes a separating unit for separating an inputted three-dimensional video stream into a plurality of video streams, a decoding unit for decoding at least one of the plurality of separated video streams, a frame thinning unit for reducing data amount of the decoded video stream, an encoding unit for encoding the video stream whose data amount is reduced, a multiplexing unit for multiplexing other video streams which are video streams other than the video stream inputted to the decoding unit out of the plurality of separated video streams and the encoded video stream, and a recording unit for recording the multiplexed video data on a recording medium. | 2011-02-24 |
20110044665 | RECORDING DEVICE, RECORDING METHOD, REPRODUCTION DEVICE, AND REPRODUCTION METHOD - Original data is copied from a read-only recording medium to a rewritable portable recording medium. A data storage unit stores therein updated data and mapping information indicating a path of the updated data in the virtual package. A determination unit determines, from the mapping information, a match between a path on the portable recording medium of first stream data included in the original data and a path in the virtual package of second stream data included in the updated data. When the match is determined, the recording control unit instructs that the first stream data be deleted from the portable recording medium. The recording control unit further instructs that the updated data be written on the portable recording medium. The data recording unit further writes and deletes data in response to the instructions from the recording control unit. | 2011-02-24 |
20110044666 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044667 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044668 | INFORMATION STORAGE MEDIUM AND INFORMATION RECORDING/PLAYBACK SYSTEM - There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA | 2011-02-24 |
20110044669 | CIRCUIT FOR CONTROLLING A NUMBER OF MOTORS - The invention relates to a circuit for controlling a number of DC motors (M | 2011-02-24 |
20110044670 | SHAPED TARGET ABSORPTION AND DISPERSION MODELING - A technique is provided to model a heat penetration profile for various targets which are non-planar or three-dimensionally shaped targets for use in a heating system. The relative volume of material that is irradiated at various depths may have an impact on the absorbed heat profile through the target. For example, a hollow cylindrical product has substantially more material per micro-meter near the outside diameter than it does near the inside diameter. Accordingly, the thickness of the wall or the diameter of the hollow inside the cylinder, as well as the outer diameter of the cylinder, have a substantial impact on the ultimate heat profile through the wall. | 2011-02-24 |
20110044671 | CONTROLLING THE OPERATION OF AN ELECTRICALLY HEATED WATER TANK - A system for controlling the operation of the electric heating element in a water tank. The system comprises a temperature sensor in the water tank connected to a main control unit. User preferences related to hot water supply are inputted via a friendly user interface and the main control unit controls the operation of the heating element in the water tank to supply hot water according to the user preferences with minimal energy consumption. | 2011-02-24 |
20110044672 | OPTICAL ELEMENT DRIVING DEVICE AND IMAGING DEVICE - An optical element driving device is provided with at least one optical element, a moving member, a fixed member, a first actuator, a first detection element, a second actuator, and a second detection element. The first actuator has a first coil and a first magnet. The first detection element is substantially aligned in a first direction relative to the first coil to detect the position of the moving member in the first direction. The second actuator has a second coil and a second magnet. The second detection element is substantially aligned in the first direction relative to the second coil to detect the position of the moving member in a second direction. The optical element, the first actuator, and the second actuator are substantially aligned in the first direction. | 2011-02-24 |
20110044673 | ZOOM LENS AND IMAGE PICKUP APPARATUS - Provided is a photographic lens which prevents lenses disposed in the front and the rear of a prism from physically interfering with each other and in which the optical axes of the prism and the lenses disposed in the front and the rear of the prism are precisely aligned with each other. A photographic lens is a zoom lens that deflects the optical path of a prism and performs zooming by moving a second lens group and a third lens group disposed in the rear of the prism. A notch having a circular shape is formed on the prism side of a negative lens adjacent to the prism along the outer periphery of the lens. During zooming, when the second lens group is moved to the position close to the prism, the edge of the second lens group is fitted into the notch. | 2011-02-24 |
20110044674 | LENS BARREL AND IMAGING APPARATUS - Disclosed are a lens barrel capable of preventing a reduction in strength while maintaining a small size and a small thickness and an imaging apparatus including the lens barrel. | 2011-02-24 |
20110044675 | FOCUS ADJUSTMENT APPARATUS AND FOCUS ADJUSTMENT METHOD - A focus adjustment apparatus includes an imaging unit configured to capture an object image input via a focus lens to output image data, a focus adjustment unit configured to perform focus adjustment by controlling a position of the focus lens based on the image data, a motion detection unit configured to detect a motion of the object image based on the image data, and a control unit configured to control the focus adjustment unit to perform a first focus adjustment operation if motion of the object image is not detected by the motion detection unit, and to control the focus adjustment unit to perform a second focus adjustment operation different from the first focus adjustment operation if motion of the object image is detected by the motion detection unit. | 2011-02-24 |
20110044676 | IMAGE PICKUP SYSTEM HAVING RANGING FUNCTION - The image pickup system includes a ranging part measuring object distances in plural ranging areas in an image pickup region in a state where the image pickup system and a moving object are in movement with respect to a still object, a first setting part setting, among the plural ranging areas, a first ranging area including the moving object, a second setting part setting, among the plural ranging areas, a second ranging area including the still object. The system further includes a calculating part calculating a moving speed of the moving object based on the object distances measured in the first and second ranging areas by the ranging part at a first time point and the object distances measured in the first and second ranging areas by the ranging part at a second time point different from the first time point. | 2011-02-24 |
20110044677 | IMAGE CAPTURE APPARATUS AND METHOD - An image capture apparatus comprises: a moving unit configured to move a focus position of a photographing lens relative to an image sensor at a predetermined amplitude by changing a distance in an optical axis direction between the photographing lens and the image sensor; detection unit configured to detect a focus state of an image obtained from the image sensor; and defocus correction unit configured to perform defocus correction on the image obtained from the image sensor during motion performed by the moving unit, based on the focus state detected by the detection unit, so that the focus state of each image for display on the display device at least approaches the focus state for an in-focus image. | 2011-02-24 |
20110044678 | IMAGING APPARATUS HAVING AUTOFOCUS FUNCTION, AND CONTROL METHOD FOR THE IMAGING APPARATUS - An apparatus includes an imaging unit, a focus detection unit configured to detect a focusing state of a focus lens, a designation unit configured to receive a designation of an in-screen position of an object displayed on a display screen, and a control unit configured to control a movable range of the focus lens when the focusing state is detected by the focus detection unit such that if the designation unit does not designate the in-screen position of the object, the movable range is set to be a first range and, if the designation unit designates the in-screen position of the object, the movable range is set to a second range that is wider than the first range. | 2011-02-24 |
20110044679 | Lens barrel, camera module, and imaging apparatus - A lens barrel includes: a lens holding member that holds a lens; a drive coil attached to an outer peripheral portion of the lens holding member; a magnet attached to face the drive coil; a barrel member in which the lens holding member is disposed; and a cover member attached to the barrel member with the lens on a light incident side of the lens holding member facing to an outside. The cover member is magnetic, and the magnet is directly attached to the cover member at a position acing the drive coil. | 2011-02-24 |
20110044680 | IMAGING APPARATUS AND CONTROL METHOD THEREFOR - An imaging apparatus includes a light metering unit, a setting unit configured to set an exposure condition including exposure time and an aperture value at a time of flash photography based on a result of light metering by the light metering unit, and a first calculation unit configured to calculate an amount of light emission by a light emission unit to perform flash photography under the set exposure condition based on the result of light metering, wherein, when a first amount of light emission to perform flash photography under a first exposure condition is larger than a maximum amount of light emission that can be achieved by the light emission unit, the setting unit sets a second exposure condition having shorter exposure time and a smaller aperture value than the first exposure condition, and the first calculation unit calculates a second amount of light emission smaller than the maximum amount of light emission. | 2011-02-24 |
20110044681 | IMAGING APPARATUS - An imaging apparatus includes a mount to which a lens unit is mountable, an imager operable to generate an image signal from light incident through the lens unit, a light-emitter operable to emit light, and an electric storage device operable to supply electric power to the light-emitter. The electric storage device is disposed behind the mount and below the imager. | 2011-02-24 |
20110044682 | LENS-INTERCHANGEABLE CAMERA BODY AND CAMERA SYSTEM CAPABLE OF CHANGING COMMUNICATION METHOD WITH SELECTED SHOOTING MODE - The present invention relates to a camera system. | 2011-02-24 |
20110044683 | FAST PROTECTION SCHEME FOR PASSIVE OPTICAL NETWORK - The present invention relates to a method and devices for fast protection of an optical network system, in particular for a Passive Optical Network (PON), such as a Gigabit-capable Passive Optical Network (GPON). In the method, it is detected that the communication from a first optical network device is lost. Switching of functionality is initiated from a first optical line termination device to a second optical line termination device, and a control message is sent from the second optical line termination device to the first optical network device such that the first optical network device is prevented from moving into initial state. Furthermore, the method comprises determining and setting timing settings for the first optical network device. | 2011-02-24 |
20110044684 | Optical switch and optical waveform monitoring device utilizing optical switch - The polarization direction of an optical signal is changed by a polarization controller so as to be orthogonal to a main axis of a polarizer. A control pulse generator generates control pulses from control beam with a wavelength which is different from the wavelength of the optical signal. The optical signal and the control pulse are input to a nonlinear optical fiber. In the nonlinear optical fiber, the optical signal, during a time period in which the optical signal and the control pulse coincide, is amplified with optical parametric amplification around a polarization direction of the control pulse. The optical signal, during the time period in which the optical signal and the control pulse coincide, passes through the polarizer. | 2011-02-24 |
20110044685 | Optical network unit having automatic shutdown - An optical network unit useful in a passive optical network has capability for automatic shutdown upon detection of a malfunction, thereby protecting the integrity of upstream data transmitted in the network. The unit detects the generation of upstream light during intervals in which transmission is not authorized. In response, the light source of the unit is deactivated to prevent collisions with upstream data from other optical network units in the network. | 2011-02-24 |
20110044686 | Method and Device for Mapping and Demapping A Client Signal - A method and a device for mapping and demapping a client signal are provided. The method for mapping a client signal includes: dividing a part or all of a payload area of an Optical Channel Payload Unit (OPU) or Optical channel Data Tributary Unit (ODTU) into several sub-blocks, in which the sub-blocks have a size of N bytes, and N is greater than or equal to 1; and mapping a client signal to be transported to the sub-blocks of the payload area with an N-byte granularity. In the technical solutions, when the client signal is mapped, block mapping of the client signal is performed by using a mapping granularity of a block, so that the complexity of the mapping process of the client signal can be reduced, thereby meeting requirements of multi-rate services. | 2011-02-24 |
20110044687 | METHOD AND DEVICE FOR DATA PROCESSING IN AN OPTICAL NETWORK AND COMMUNICATION SYSTEM - A method and a device process data in an optical network. At least one dedicated time slot is used for transmitting time critical information from an optical network unit towards an optical line terminal. Due to the dedicated time slot, previous long delays in channel switching are decreased or substantially avoided. | 2011-02-24 |
20110044688 | REMOTELY OPTICALLY AMPLIFIED PON SYSTEM, OLT, AND RN, AND OPTICAL AMPLIFICATION AND GAIN-CLAMPING METHODS OF PON SYSTEM - A remotely optically amplified passive optical network (PON) system, an optical line terminal, and a remote node, and an optical amplification and gain-clamping methods of the PON system are provided. The PON system generates pump light and transmits the generated pump light to an optical transmission line, amplifies primarily an optical signal by the pump light which pumps the optical transmission line, and amplifies secondarily the optical signal by the transmitted pump light which pumps a gain medium of a remote node while maintaining a gain of the optical signal by applying a gain-clamping method to the remote node. | 2011-02-24 |
20110044689 | METHOD AND SYSTEM FOR CROSS-PHASE-MODULATION NOISE REDUCED TRANSMISSION IN HYBRID NETWORKS - A system for cross-phase-modulation-noise reduced transmission in hybrid networks includes a first, second, and third set of optical transmitters. The first set of optical transmitters transmits a set of ten gigabit per second signals. The second set of optical transmitters transmits a set of forty gigabit per second signals. The third set of optical transmitters transmits a set of one hundred gigabit per second signals. On a wavelength spectrum, the set of 10 G signals is immediately adjacent to the set of 100 G signals, and the set of 100 G signals is immediately adjacent to the set of 40 G signals. The set of 10 G signals and the set of 100 G signals are not separated by a guard band. In addition, the set of 100 G signals and the set of 40 G signals are also not separated by a guard band. | 2011-02-24 |
20110044690 | SYSTEM OF DEVICES OF WHICH SOME INCLUDE AN INFARED REMOTE CONTROL INTERFACE - Infrared control signals are communicated between an infrared remote control unit ( | 2011-02-24 |
20110044691 | APPARATUS AND METHOD FOR DETECTING OPTICAL SIGNALS - Disclosed are an apparatus and method for detecting optical signals. The optical signal detection apparatus includes: a signal receiver to convert a received optical signal into an electrical signal; a threshold decision unit to establish a mathematical model based on the electrical signal and to decide an optimized threshold value based on the mathematical model; and a signal detector to detect the electrical signal based on the optimized threshold value. Hence, since threshold values optimized adaptively according to received signals are used, a bit error rate may be lowered and accordingly detection performance may be improved. | 2011-02-24 |
20110044692 | All-Optical AM-To-FM Up-Conversion for Radio-Over-Fiber - A laser source is configured for all-optical AM-FM up-conversion. In one exemplary embodiment, an amplitude modulated (AM) optical input signal containing a baseband signal at a sub-microwave frequency, is injected into the laser source. The amplitude of the AM optical input signal and the optical carrier frequency are adjusted so as to place the laser source in a period-one dynamical state characterized by a transitioning of the laser source from a free-running optical frequency to at least two optical frequencies having a separation distance equal to a period-one microwave frequency. As a result of the period-one dynamical state, a frequency modulated (FM) optical output signal containing the baseband signal carried at the period-one microwave frequency, is propagated out of the laser source. The period-one microwave frequency is operative as a sub-carrier signal. | 2011-02-24 |
20110044693 | SYSTEM AND APPARATUS FOR PROVIDING A HIGH QUALITY OF SERVICE NETWORK CONNECTION VIA PLASTIC OPTICAL FIBER - A media converter for converting between electrical and optical signals is provided. The media converter includes an electro-optical transceiver configured to convert an optical signal into an electrical signal and vice-versa. The electro-optical transceiver includes an optical signal port connectable to a plastic optical fiber, the optical signal port for sending and receiving the optical signal along the plastic optical fiber; and an electrical signal port for sending and receiving the electrical signal. The media converter also includes a plurality of means for electrically conveying the electrical signal. A switch is in electrical communication with the electrical signal port of the electro-optical transceiver and with the plurality of means for electrically conveying the electrical signal, and is configured to direct the electrical signal from the electro-optical transceiver to any one of the means for electrically conveying the electrical signal and vice-versa, thereby facilitating bi-directional communication. The media converter can also have a telephonic network access port connectable to a telephone cable, which includes a pair of power carrying wires for carrying electrical power. A power supply is in electrical communication with the switch and the electro-optical transceiver, and power supply wiring electrically couples the telephonic network access port to the power supply for powering the media converter by transmitting power from the power carrying wires to the power supply when the telephone cable is coupled to the network access port. Beneficially, by obtaining power from the telephonic network, a low voltage telecommunications technician is able to install the media converter within a building, thereby allowing for relatively inexpensive installation. | 2011-02-24 |
20110044694 | SYSTEMS AND METHODS FOR OPTICALLY POWERING TRANSDUCERS AND RELATED TRANSDUCERS - The present disclosure describes an optically powered transducer with a photovoltaic collector. An optical fiber power delivery method and system and a free space power delivery method are also provided. A fabrication process for making an optically powered transducer is further described, together with an implantable transducer system based on optical power delivery. | 2011-02-24 |
20110044695 | Visible Light Communication System - A visible light communication system includes a light source emitting a first light having information, an optical filter receiving the first light and an externally provided second light and filtering the first and second light according to wavelength bands of the first and second light to output a filtered light, a photoelectric device receiving the filtered light to generate an output signal, and a data output part receiving the output signal to output data. Accordingly, the external light not having information may be substantially prevented from being provided to the photoelectric device, thereby preventing noise from occurring on the output signal. In addition, no additional operation is required to filter the output signal from the photoelectric device. | 2011-02-24 |
20110044696 | OPTICAL COMMUNICATION MODULE - An optical communication module which uses a single optical fiber to enable bidirectional communication or multiplexing communication is provided. The optical communication module includes a platform configured to have a through-hole therein which vertically passes through the platform; an optical receiver configured to be provided on the platform and include a light-receiving element; an optical transmitter configured to be provided on the platform and include a light-emitting element; and an optical filter configured to be provided on one surface of the platform to correspond to the through-hole, transmit light from the light-emitting element to an optical line, and transmit light input through the optical line to the light-receiving element, where one of the light-receiving element and the light-emitting element is provided on one surface of the platform on an opposite side of the optical line with the optical filter interposed therebetween, and the other is provided on the other surface of the platform to correspond to the through-hole. Accordingly, it is possible to reduce the manufacturing cost, minimize the optical or electrical crosstalk, and maximize the optical coupling efficiency. | 2011-02-24 |
20110044697 | OPTICAL TELEMETRY NETWORK - An apparatus for providing communications between a first device disposed at a tubular and a second device, the tubular having tubular sections and being configured to be disposed in a borehole penetrating the earth, the apparatus including: a first optical coupler configured to be concentrically coupled to a first tubular section and configured to be in optical communication with the first device using a first optical transmission medium disposed at the first tubular section; and a second optical coupler configured to be concentrically coupled to a second tubular section and configured to be in optical communication with the second device using a second optical transmission medium disposed at the second tubular section; wherein the first optical coupler is configured to be perimetrically disposed about the second optical coupler to be in communication with the second optical coupler to provide the communications between the first device and the second device. | 2011-02-24 |
20110044698 | Free-Space DQPSK Demodulator - A demodulator comprises an input splitter, optical device sets, and couplers. The input splitter splits an input signal comprising symbols to yield a number of signals. A first optical device set directs a signal of along a first path. A second optical device set directs another signal along a second path to yield a delayed signal. At least a portion of the second path is in free space. A path length difference between the first path and the second path introduces a delay between the first signal and the second signal. A coupler receives a portion of the signal and a portion of the delayed signal to generate interference, where the interference indicates a phase shift between a phase corresponding to a symbol and a successive phase corresponding to a successive symbol. | 2011-02-24 |
20110044699 | METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING UPSTREAM BURST DATA IN PON SYSTEM - A method, an apparatus and a system for transmitting upstream burst data in a passive optical network system. Delimitation of end of upstream burst data is realized in the method. The method includes: transmitting a sync pattern sequence and a burst delimiter after turning on a laser; transmitting data to be sent; and transmitting an end-of-burst delimiter after the transmitting of data to be sent is finished. A method for receiving upstream burst data and a related apparatus and system are also provided in the embodiments of the invention. | 2011-02-24 |
20110044700 | OPTICAL COMMUNICATIONS SYSTEM - The present invention relates to an optical communications system that allows improving OSNR while suppressing the power increase of pumping light for distributed Raman amplification. In the optical communications system, an optical fiber is laid in a transmission section between a transmitter station (or repeater station) and a receiver station (or repeater station), and optical signals are transmitted from the transmitter station to the receiver station via the optical fiber. In the optical communications system, pumping light for Raman amplification, outputted by a pumping light source provided in the receiver station, is fed into the optical fiber via an optical coupler, and the optical signals are distributed-Raman-amplified in the optical fiber. The transmission loss and the effective area of the optical fiber satisfy, at the wavelength of 1550 nm, a predetermined relationship. | 2011-02-24 |
20110044701 | LIGHT MODULE, ILLUMINATION SYSTEM AND METHOD INCORPORATING DATA IN LIGHT EMITTED - Proposed is a light module ( | 2011-02-24 |
20110044702 | POLARIZATION MULTIPLEXED OPTICAL TRANSMITTER AND METHOD FOR CONTROLLING POLARIZATION MULTIPLEXED OPTICAL SIGNAL - A polarization multiplexed optical transmitter includes first and second modulation units, combiner, phase controller, and signal controller. The first and second modulation units generate first and second modulated optical signals, respectively. The first and second modulation units include first and second phase shifter to give phase difference between optical paths of corresponding Mach-Zehnder interferometer, respectively. The combiner generates polarization multiplexed optical signal from the first and second modulated optical signals. The phase controller controls the phase difference by the first phase shifter to a target value and the phase difference by the second phase shifter to a value shifted by π from the target value. The signal controller controls operation state of at least one of the first and second modulation units based on optical intensity waveform of the polarization multiplexed optical signal. | 2011-02-24 |
20110044703 | IMAGE FORMING APPARATUS FOR MANAGING REPLACEMENT COMPONENTS - According to one embodiment, an image forming apparatus includes: a code storing section configured to store a valid authentication code; a history storing section configured to store peculiar information of a used replacement component; a code determining section configured to determine, when an unused replacement component is replaced, whether a permission authentication code is valid; and a cartridge determining section configured to determine whether the unused replacement component is a regular replacement component. | 2011-02-24 |
20110044704 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a fixing unit fixing an unfixed toner image formed by an image forming unit and transferred by a transfer unit on a recording medium; a discharge unit provided above the fixing unit and discharging the recording medium; a fixing jam processing cover rotating with respect to an apparatus main body so as to open or close a part of a paper conveyance path from the fixing unit to the discharge unit; a conveyance guide member swingably provided on the fixing jam processing cover and guiding the recording medium to the discharge unit; and a supporting member having an inclined surface with which the conveyance guide member makes contact and along which, as the fixing jam processing cover is being opened, the conveyance guide member slides to become less inclined with respect to a horizontal direction. | 2011-02-24 |
20110044705 | COLOR IMAGE FORMING APPARATUS - A color image forming apparatus having photosensitive members; developing devices for developing electrostatic latent images formed on the photosensitive members into toner images with developers comprising toner and carriers; toner concentration sensors for detecting toner concentrations of the developers in the respective developing devices; a toner image bearing member for bearing the toner images temporarily; a toner adherence amount sensor for detecting toner adherence amounts of the toner images held on the image bearing member; and a controller for calculating, with respect to the developing devices, individual optimal developing bias voltage ranges within which a target toner adherence amount can be achieved while the toner concentrations of the developers are within a predetermined toner concentration range from a lower limit to an upper limit, so as to specify a common optimal developing bias voltage range that are commonly suitable for all the developing devices to achieve the target toner adherence amount while the toner concentrations of the developers in the developing devices are within the predetermined toner concentration range, and for calculating target toner concentrations of the developers in the respective developing devices to achieve the target toner adherence amount while a voltage within the common optimal developing bias voltage range is applied between each of the photosensitive members and each of the developing devices. | 2011-02-24 |
20110044706 | Fixing device and image forming apparatus including same - A fixing device including a fixing member; a heat source to heat the fixing member; a power supply to supply power to the heat source; a thermostat provided in the middle of a circuit connecting the heat source and the power supply to block power supply from the power supply to the heat source upon detection of a temperature of the fixing member equal to or greater than a predetermined temperature; a support member to contact terminals fixed to the thermostat to support the thermostat; and electrode plates provided opposite the support member with a gap therebetween to form a part of the circuit by connecting to surfaces of the terminals of the thermostat opposite surfaces thereof contacting the support member while the terminals are positioned within the gap. The electrode plates include a first guide part to guide the terminals into the gap. | 2011-02-24 |
20110044707 | TONER IMAGE PROCESSING MACHINE WITH CHARGE COMPENSATION AND METHOD THEREOF - A method for compensating a charge retentive imaging surface for a photoreceptor in a toner image processing machine, the surface including a plurality of panels, each panel including a document printing zone (DPZ) and an interdocument zone (IDZ), and the machine including at least one specially programmed computer, at least one sensor, and charging members for charging the surface, including: measuring for each panel, using the sensor, first density values for a plurality of points in the DPZ, the DPZ in a printing region of the photoreceptor; measuring for each panel, using the sensor, a second density value for the IDZ; determining for each IDZ, using a processor in the computer, a respective compensated IDZ density value; and modifying operation of the charging members according to the compensated IDZ density values, such that the first density values for said each panel are substantially centered with a desired density value. | 2011-02-24 |
20110044708 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image forming unit for forming a first developer image; a second image forming unit for forming a second developer image; a transfer unit for transferring at least one of the first developer image and the second developer image; a separation contacting unit for moving at least one of the first image forming unit and the second image forming unit to a first position and a second position; a density measurement unit for measuring a first image density and a second image density of the first developer image; and a control unit including a density calculation unit for calculating a difference between the first image density and the second image density and a density correction unit for correcting a density of the first developer image according to the difference. | 2011-02-24 |
20110044709 | IMAGE FORMING APPARATUS - An image forming apparatus include an image bearing member, a developing container receiving a developer, a developer carrying member for carrying and conveying the developer, a developer feed member for supplying the developer to the developer carrying member, a detection device for detecting an amount of developer in the developing container by detecting an electrostatic capacitance between the developer carrying member and the developer feed member, and a control device for changing a rotational speed of the developer feed member into a plurality of speeds corresponding to the plurality of image forming speeds. The control unit controls the rotational speed of the developer feed member prior to the execution of a detection operation of the detection device so as to be faster than the slowest speed of said plurality of speeds. | 2011-02-24 |
20110044710 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member; a transfer member for transferring a toner image from the image bearing member onto a transfer material at a transfer portion; a control portion for controlling a voltage to be applied to the transfer member; a current detecting portion for detecting a value of a current passing through the transfer portion: a calculating portion for calculating a relationship between values of the voltage and the current which are obtained by applying voltages of different values at different intervals between adjacent images during execution of a continuous image forming mode in which the images are continuously formed on recording materials; a determining portion for determining the voltage value for a target current from the relationship calculated by the calculating portion; and a switching portion for switching the voltage value to the voltage value determined by the determining portion during the execution of the continuous image forming mode. | 2011-02-24 |
20110044711 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND COMPUTER READABLE MEDIUM - An image forming apparatus includes a raster image data generating unit, a halftone image data generating unit, a size control unit, an image forming unit and a flash fixing unit. The raster image data generating unit generates raster image data of a plurality of color components from document data. The halftone image data generating unit generates halftone image data from the raster image data. The size control unit controls minimum halftone dot sizes of the halftone image data. The image forming unit forms color toner images to be fixed on a recording medium using color toners corresponding to the plurality of color components, based on the halftone image data whose minimum halftone dot sizes are controlled by the size control unit. The flash fixing unit emits flash light from a flash light source to the recording medium to fix the color toner images transferred onto the recording medium. | 2011-02-24 |
20110044712 | IMAGE FORMING APPARATUS - Certain embodiments provide an image forming apparatus including: an image processing unit; a printer; a memory configured to store an adjustment value; an operation panel configured to receive a change for the adjustment value according to a user input; an adjuster configured to change, according to input information from the operation panel, the adjustment value from a first value to a second value; and a print controller configured to adjust a position of an image according to the second value and cause the printer to print a numerical value character string representing the second value together with a test pattern. | 2011-02-24 |
20110044713 | REFLECTIVE OPTICAL SENSOR AND IMAGE FORMING APPARATUS - A reflective optical sensor includes at least three light-emitting elements; a lighting optical system that guides light emitted from the light-emitting elements to a toner pattern; and at least three light-receiving elements that receive the beams of light reflected by the toner pattern. The lighting optical system has a lateral magnification m that satisfies m≦P/S, where S is the size of the light-emitting elements and P is the arrangement pitch of the light-emitting elements. | 2011-02-24 |
20110044714 | IMAGE FORMING APPARATUS AND AUTHENTICATION METHOD - An image forming apparatus including applications and system side software for providing system side services to the applications is provided, in which the image forming apparatus includes: an authentication module for displaying an authentication screen on an operation panel of the image forming apparatus, wherein the authentication module allows the image forming apparatus to display a screen for using the image forming apparatus instead of the authentication screen if authentication data input from the authentication screen satisfies an authentication condition, and wherein the authentication module is provided in the image forming apparatus separately from the system side software. | 2011-02-24 |
20110044715 | IMAGE FORMING DEVICE, OPERATING DEVICE FOR SETTING THE IMAGE FORMING DEVICE AND METHOD OF SETTING THE IMAGE FORMING DEVICE - According to one embodiment, an image forming device has an image forming unit, a plurality of discharge units, a display unit, a discharge unit button, a discharge setting unit, and a control unit. The plurality of discharge units discharge the image forming medium on which the image is formed by the image forming unit. The display unit displays a setting screen of an image forming process by the image forming unit. The discharge unit button is a button for selecting one discharge unit from the plurality of discharge units. Whenever the discharge unit button is pressed, the discharge setting unit sequentially sets the discharge unit selected depending on setting contents of the image forming process and the discharge unit sequentially selected from the plurality of discharge units. The control unit displays information, which shows the discharge unit set by the discharge setting unit, on the setting screen. | 2011-02-24 |
20110044716 | METHOD OF CONTROLLING IMAGE FORMING APPARATUS SUPPORTING GLOSSY PRINTING IN HOST DEVICE, AND THE HOST DEVICE AND THE IMAGE FORMING APPARATUS PERFORMING THE METHOD - A method of controlling an image forming apparatus supporting glossy printing in a host device, the method including: executing a printer driver of the image forming apparatus; setting a glossy printing option by using a user interface of the executed printer driver; and transmitting printing data and a glossy printing command based on the set glossy printing option to the image forming apparatus for printing the printing data on a printing medium according to the printing data and for performing a fusing operation additionally on a second side that is a reverse side of a first side of the printing medium in accordance with the glossy printing option command, wherein the first side is the latest printed side of the printing medium. | 2011-02-24 |
20110044717 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A cartridge is detachably mountable to an electrophotographic image forming apparatus having a main assembly electrical contact. The cartridge includes: an electrophotographic photosensitive member; a memory; a cartridge electrical contact electrically connectable to the main assembly electrical contact; a contact including the cartridge electrical contact; and a support supporting the contact. The support includes first and second regulators of the contact member in widthwise and thickness directions, respectively, with a gap therebetween. Also provided is an opening permitting insertion of the contact into the support that opens in one direction perpendicular to the widthwise and thickness directions. The main assembly electrical contact includes a spring movable by a stroke in the contact thickness direction, and the gap of the second regulator W | 2011-02-24 |
20110044718 | CLEANING APPARATUS AND IMAGE FORMING APPARATUS - Disclosed is a cleaning apparatus including: a blade and a roller to remove the residual toner on the image carrier, the blade and the roller provided on a downstream side of a rotating direction of the image carrier than a transfer position of the toner image; a scraper to remove toner attached to the roller; and a first controlling section to control movement of the residual toner removed by the blade and the roller, the first controlling section is provided on an upstream side of the rotating direction of the image carrier than the blade and on a downstream side of the rotating direction of the image carrier than the roller and the scraper, and the first controlling section is provided facing the image carrier with a certain area provided in between to form an accumulating section to accumulate residual toner in the certain area. | 2011-02-24 |
20110044719 | Unidirectional Pump Auger Shaft Seal for Developer Housings - This is an auger shaft seal used in an electrophotographic marking system. The seal is made up of alternating raised and depressed pie-shaped sections, each having edges that force developer away from auger bearings. The seal of this invention can be used on bi-directional augers and will protect the bearing when the auger moves in a clockwise or counter-clockwise direction. The seal is used with a magnetic seal to add additional protection for the bearings. | 2011-02-24 |
20110044720 | Retaining clip for printer cartridge - There is provided a retaining clip apparatus and method for securing a toner feeder gear housing to a toner hopper of a toner printer cartridge. The apparatus comprises a first end configured to engage a protruding edge of the toner hopper. The apparatus further comprises a second end having a first surface configured to engage a portion of the toner feeder gear housing and having a second surface configured to engage a portion of the top cover housing, such that the second end is positioned within a space between the top cover housing and the toner feeder gear housing. The apparatus further comprises an elongated body portion connecting the first end to the second end. | 2011-02-24 |
20110044721 | Universal magnet roller press apparatus, assembly, and method - There is provided a universal magnet roller press apparatus, assembly, and method for removing and installing a magnet and a hub of a magnet roller of a toner printer cartridge. The apparatus has a mounting base, a screw drive assembly, an alignment cradle, a front support assembly, a back support assembly, and a first rod stop and a second rod stop. The assembly has the universal magnet roller press apparatus and a plurality of magnet roller adaptors for attached to the magnet roller during removal and installation of the magnet and the hub. | 2011-02-24 |
20110044722 | Roller Separation Cam with Automatic Engagement - A printer cartridge is provided that allows a charge roller to be separated from a photoconductive drum when the printer cartridge is not used within an image forming device. The printer cartridge includes the photoconductive drum, the charge roller, and a separating member having a resilient member disposed thereon with the separating member being disposed on the charge roller. The separating member engages and disengages the photoconductive drum in a first position and in a second position. The first position provides a spaced relationship between the charge roller and the photoconductive drum and the second position provides an engaged relationship between the charge roller and the photoconductive drum. The printer cartridge also includes the photoconductive drum disposed adjacent to the charge roller in an offset orientation that includes a centerline of a charge roller shaft offset by a predetermined distance from a centerline of a photoconductive drum shaft. | 2011-02-24 |
20110044723 | Image-Forming Device Capable of Positioning Developing Unit and Developer Cartridge Precisely - An image-forming device includes a casing, a process unit, a first shutter, a toner cartridge, a second shutter, and a wall. The process unit is detachably mounted in the casing and formed with a first opening, the process unit having a developer roller carrying a toner. The first shutter opens and closes the first opening. The toner cartridge is detachably mounted in the casing, accommodates the toner, and is formed with a second opening, the second opening being in alignment with the first opening. The second shutter opens and closes the second opening. The wall is disposed between the developer unit and the toner cartridge and is formed with a third opening, the third opening being in alignment with the first opening and the second opening. By providing the wall, the process unit and toner cartridge can be detachably mounted in the casing, thereby avoiding a drop in precision for positioning the process unit and toner cartridge relative to the casing. | 2011-02-24 |
20110044724 | Image forming apparatus - An image forming apparatus includes an endless belt member; a drive unit moving the endless belt member; a first detecting unit detecting a rotating speed of the drive unit; a second detecting unit detecting an endless transport speed of the endless belt member; and a control unit controlling the rotating speed of the drive unit based on a first detection signal from the first detecting unit or a second detection signal from the second detecting unit selectively depending on a selection condition. Upon selection of the first detection signal in accordance with the selection condition, the control unit corrects the rotating speed of the drive unit using the second detection signal such that an average value of the endless transport speed of the endless belt member approaches a target average value. | 2011-02-24 |
20110044725 | CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A charging member is provided which can inhibit defective images due to poor charging and adhering substances from occurring even after being repeatedly used for a long time, and can inhibit deformation and defective images due to the C set, caused by a change in rotational speed accompanying such deformation even after being left standing in a stopping state for a long time. The charging member includes a conductive support and a surface layer. The surface layer includes a binder and resin particles dispersed in the binder, each resin particle having a depressed portion on its surface. Protrusions resulting from the resin particles are formed on the surface of the surface layer. The protrusions each have a depressed portion resulting from the depressed portion of the resin particle, and the surface of the resin particle is covered with the binder. | 2011-02-24 |
20110044726 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a developing unit, a developer agitating unit, a developer conveying unit, and a toner supplementing unit. The developing unit develops an electrostatic latent image on an image carrier with a developer containing toner and carrier. The developer agitating unit agitates the developer. The developer conveying unit connects the developing unit and the developer agitating unit, and conveys the developer from the developing unit to the developer agitating unit. The toner supplementing unit is connected to the developer conveying unit, and supplements toner to the developer conveyed from the developing unit to the developer agitating unit. | 2011-02-24 |
20110044727 | DEVELOPER SUPPLYING CARTRIDGE, DEVELOPER RECEIVING CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developer supply cartridge detachably mountable to a main assembly of an image forming apparatus, includes a developer accommodating portion of accommodating a developer; a discharging opening for discharging the developer accommodated in the developer accommodating portion to a developer receiving opening of a developer receiving cartridge provided with developing means for developing an electrostatic image formed on an image bearing member with the developer, the developer receiving cartridge being detachably mountable to the main assembly of the image forming apparatus; a shutter member movable between an opening position for opening the discharging opening and a closing position for closing the discharging opening; an engaging portion for engagement with the developer receiving cartridge so as to receive, from the developer receiving cartridge, a force for moving the shutter member from the closing position to the opening position, in interrelation with a relative movement between the developer supply cartridge and the developer receiving cartridge toward each other in a mounting-and-demounting direction of the developer supply cartridge relative to the main assembly of the image forming apparatus. | 2011-02-24 |
20110044728 | METHOD AND SYSTEM TO REDUCE HIGH-FREQUENCY BANDING FOR ELECTROPHOTOGRAPHIC DEVELOPMENT STATIONS - A method for reducing high-frequency banding in an electrophotographic development station having a rotating shell and a photoconductor is disclosed. A rotating speed of the rotating shell is adjusted relative to a photoconductor such that a banding reduction ratio is not a ratio of differing low whole numbers. Another method for reducing high-frequency banding in an electrophotographic development station having a rotating shell and a rotating magnetic core is also disclosed. A rotating speed of the rotating shell is adjusted relative to a rotating speed of the rotating magnetic core such that from the point of view of a spot on a dielectric support member (DSM) in a nip region of the DSM, a similar point on the rotating shell is substantially in alignment with the DSM spot in the nip region when a pole flip occurs. | 2011-02-24 |