Patent application number | Description | Published |
20090201088 | Measuring Load Impedance Of An Amplifier Driving A Variable Load - According to an aspect of the present invention, the magnitude and phase angle of looking-in impedance driven by an amplifier are computed in digital domain during normal operation within a module containing the amplifier. In an embodiment, the computed magnitude and phase angle are used for impedance matching at a node driven by the amplifier. As a result, impedance matching may be obtained even in situations when the impedance changes during operation. | 08-13-2009 |
20090289721 | CIRCUITS, PROCESSES, DEVICES AND SYSTEMS FOR FULL INTEGRATION OF RF FRONT END MODULE INCLUDING RF POWER AMPLIFIER - An electronic circuit comprising a transistor-based RF (radio frequency) power amplifier ( | 11-26-2009 |
20100027568 | TECHNIQUE FOR SHARING TRANSMIT AND RECEIVE PORTS OF A CMOS BASED TRANSCEIVER - A circuit for sharing Tx/Rx ports of a CMOS based time multiplexed transceiver includes a Low Noise Amplifier (LNA) and a Power amplifier (PA), and deploys a single RF choke shared between the LNA and PA. The circuit selectively functions as a PA cascode or a LNA input device. In one form the circuit uses MOS transistors configured for use in one of Blue tooth, WLAN and TDMA applications, taking advantage of source-drain symmetry of the MOS transistors. The circuit may include a DC path and be used in WLAN applications, wherein the sharing of the single choke is enabled by one switch in the DC path. As described, the single RF choke is disposed outside of the LNA and the PA. The circuit supports high out powers and causes reduced signal loss due to just one LC tank as opposed to two LC tanks present in the prior art. | 02-04-2010 |
20100075724 | DC CURRENT BASED ON CHIP RF POWER DETECTION SCHEME FOR A POWER AMPLIFIER - A method, system, and apparatus of a DC current based on chip RF power detection scheme for a power amplifier are disclosed. In one embodiment, a method includes generating a scaled current from an other current associated with power amplifier, transforming the scaled current (e.g., the scaled current may be scaled to the other current value) into a digital signal and using the digital signal to set a radio frequency power value of an antenna of the antenna module. The method may include transforming the scaled current into a voltage signal. The method may also include transforming the voltage signal into the digital signal. The method may also include generating a current mirror from a low dropout regulator. | 03-25-2010 |
20110171994 | MULTI-MODE TRANSCEIVER AND A CIRCUIT FOR OPERATING THE MULTI-MODE TRANSCEIVER - Multi-mode transceiver and a circuit for operating the multi-mode transceiver. A multi-mode transceiver includes a first circuit that is configurable to operate as one of a transmitter and a receiver in a first mode, and a second circuit that is configurable to operate as one of the transmitter and the receiver in a second mode. The multi-mode transceiver includes a first element coupled to the first circuit. The multi-mode transceiver includes a second element coupled to the first element and one or more ports. The multi-mode transceiver also includes a first switch, coupled to the second element and to the second circuit, that is configurable to operate the transceiver in at least one of the first mode and the second mode in conjunction with the first element and the second element. | 07-14-2011 |
20110237206 | SWITCHED POWER AMPLIFIER TOPOLOGY PROVIDING HIGH EFFICIENCY - A switched power amplifier contained in a circuit is implemented to receive a single-ended input signal and generate a single-ended output signal, the single-ended output signal being a power-amplified version of the single-ended input signal. The switched power amplifier provides high efficiency. | 09-29-2011 |
20110243120 | ANTENNA SOLUTION FOR NEAR-FIELD AND FAR-FIELD COMMUNICATION IN WIRELESS DEVICES - A single-antenna solution is provided for near-field and far-field communication in wireless devices. In an embodiment, a first transceiver block generates a first transmit signal to be transmitted using radiative techniques. A second transceiver block generates a second transmit signal to be transmitted using inductive coupling. The first and second transceiver blocks are coupled to a same antenna for transmitting the first transmit signal using radiative coupling, and the second transmit signal using inductive coupling. The first transceiver block and the second transceiver block operate according to time division multiplexing, and in an embodiment corresponding to an FM transceiver and an NFC transceiver. | 10-06-2011 |
20120064826 | TRANSMIT AND RECEIVE PERFORMANCE OF A NEAR FIELD COMMUNICATION DEVICE THAT USES A SINGLE ANTENNA - A near field communication (NFC) transceiver contains a transmitter portion to generate a transmit wireless signal, and a receiver portion to receive and process a receive wireless signal. The circuit further contains a shunt capacitor, a switch, and an antenna interface to couple the transmitter portion and the receiver portion to an antenna designed to communicate with external antennas by inductive coupling. The switch couples the shunt capacitor in parallel with the antenna in one operational mode, and decouples the shunt capacitor from the antenna in another operational mode. Transmit and receive performance of the NFC transceiver are enhanced as a result. | 03-15-2012 |
20120258660 | USING A SAME ANTENNA FOR SIMULTANEOUS TRANSMISSION AND/OR RECEPTION BY MULTIPLE TRANSCEIVERS - A circuit includes an antenna, and a pair of transceivers. A first transceiver in the pair is connected to the antenna via a first pair of feed-points, and is designed to transmit and receive signals in a first band of frequencies. A second transceiver in the pair is connected to the antenna via a second pair of feed-points, and is designed to transmit and receive signals in a second band of frequencies. The first band and the second band are non-overlapping frequency bands. The first pair of feed-points is located at a voltage null point of the antenna with respect to the second pair of feed-points. The second pair of feed-points is located at a voltage null point of the antenna with respect to the first pair of feed-points. The first transceiver and the second transceiver are, thus, enabled to simultaneously transmit and/or receive corresponding signals using the same antenna. | 10-11-2012 |
20130034088 | ENABLING MULTIPLE TRANSCEIVERS OPERATED ACCORDING TO TIME-DIVISION MULTIPLE ACCESS TECHNIQUES TO TRANSMIT AND RECEIVE USING A SINGLE ANTENNA - A device includes multiple transceivers, a coupling block and an antenna. The transceivers operate according to time-division multiple access (TDMA) techniques. The coupling block is designed to enable the multiple transceivers to transmit or receive corresponding signals using the antenna. The multiple transceivers include a first transmitter and a second transmitter. The first transmitter is connected to the antenna via a first coupling network. The second transmitter is connected to the antenna via a series connection of a second coupling network and at least a portion of the first coupling network. Other transmitters are connected to the antenna via a series arrangement of at least a portion of the first coupling network and corresponding coupling networks. | 02-07-2013 |
20150194944 | WIDEBAND MATCHING NETWORK - Exemplary embodiments are related to wideband matching devices. A device may include a primary winding including a first plurality of inductors in series and a first switch coupled to the primary winding and configured to tune the primary winding to a frequency band of a plurality of frequency bands. The device may also include a secondary winding including a second plurality of inductors in series and a second switch coupled to the secondary winding and configured to tune the secondary winding to the frequency band. | 07-09-2015 |
20150214907 | SYSTEM, METHOD AND DEVICE FOR POWER AMPLIFICATION OF A SIGNAL IN AN INTEGRATED CIRCUIT - According to an aspect of present disclosure, a set of power amplifiers are used to amplify power of a signal for transmission. The signal powers from a set of power amplifiers are coupled to set of primary windings which are commonly coupled to a secondary winding such that the powers on the primary windings are additive in the secondary winding. A current path on the primary side is provided for flow of a current that is induced on at least one primary winding when a power amplifier coupled to that primary winding is in “off” state. As a result, the induced current is prevented from flowing in to the power amplifier that are in “on” state. Further, the current path isolates the power amplifiers from each other thereby enabling the power amplifiers to operate at the rated efficiency. In one embodiment, the current path is provided using a resistor network. | 07-30-2015 |
Patent application number | Description | Published |
20130172892 | SYSTEMS AND METHODS FOR PREPARING BONE VOIDS TO RECEIVE A PROSTHESIS - Systems and methods for shaping and filling offset bone voids during revision procedures of total knee replacements are disclosed. The systems disclosed herein generally include an intramedullary reamer, an offset driver, a cylindrical reaming tool, an offset reaming guide, and a conical reamer. An alternate embodiment of the system may also generally include an IM reamer, an offset driver, an offset broaching tool, and a second stage broaching tool. Yet another embodiment may generally include an elongate IM reamer, a cone reamer, a reamer guide shaft, a cone trial, a sizing template, a template guide, an offset lobe reamer, and offset lobe reamer retainer. Metaphyseal reconstruction devices and void filling cones can be used to fill the bone voids in conjunction with the systems and methods disclosed herein. | 07-04-2013 |
20130289733 | KIT FOR REPLICATING AN IMPLANTABLE PROSTHETIC DEVICE - A kit for replicating an implantable prosthetic devices includes a model implant, a geometric tool, and an insert. The model implant may include a first curved surface, and the first curved surface may include a first cutout formed. The geometric tool may include a second curved surface having a second cutout. The geometric configuration of the second cutout may be substantially identical to the geometric configuration of the first cutout of the model implant. The insert may be configured to be engaged with both the first cutout and the second cutout. | 10-31-2013 |
20150366567 | SYSTEMS AND METHODS FOR PREPARING BONE VOIDS TO RECEIVE A PROSTHESIS - A surgical method for forming a void in bone includes the steps of positioning a support member securely within an intramedullary canal of a bone; attaching a guide member having a longitudinal axis to the support member in a fixed and offset relation to the intramedullary canal; connecting a cutting member having a cutting head to the guide member in a slidable arrangement along the longitudinal axis of the guide member such that the cutting head faces a first bone segment; and cutting the first bone segment along the longitudinal axis of the guide member, thereby forming a first offset bone void. | 12-24-2015 |
Patent application number | Description | Published |
20100130236 | LOCATION ASSISTED WORD COMPLETION - Embodiments include systems and methods for providing location and object specific word completion assistance. Sensors may detect information regarding a landmark, location or object, and an embodiment may identify such landmarks, locations and objects and provide word lists to assist a user in entering text. Identification of such places and objects may include receiving information from one or more sensors; such information includes location and orientation information, near field communications information, and images. Images may be analyzed to determine objects and locations in the images. | 05-27-2010 |
20100131447 | Method, Apparatus and Computer Program Product for Providing an Adaptive Word Completion Mechanism - An apparatus for providing an adaptive word completion mechanism may include a processor. The processor may be configured to receive an indication of an input character corresponding to a word being entered, determine a situation profile corresponding to entry of the word, utilize a processor to adjust a probability of candidate words for completing the word being entered based at least in part on the situation profile, and provide at least one suggested word completion option to a user. | 05-27-2010 |
20110208753 | Method and Apparatus for Computing Relevancy - Various methods for computing relevancy are provided. One example method includes determining a behavior relevance factor for a user interface item, determining a semantic relevance factor for the user interface item, and determining an internal state of a user relevance factor for the user interface item. The example method further includes generating an overall relevance value for the user interface item. The overall relevance value may be a function of the behavior relevance factor, the semantic relevance factor, and the internal state of the user relevance factor. Similar and related example methods and example apparatuses are also provided. | 08-25-2011 |
20120007737 | PROVIDING A USER ALERT - A method, apparatus and computer program are provided. The method comprises: determining that an event has occurred; obtaining, from at least one detector, a detection of one or more bio-signals from a user; and processing the detection of the one or more bio-signals to decide whether to control at least one user output device to initiate a user alert, contemporaneously with the occurrence of the event, indicating that the event has occurred. | 01-12-2012 |
20120007740 | CONTROLLING A USER ALERT - A method, apparatus and computer program are provided. The method comprises: performing a first detection of at least one bio-signal from at least one user; controlling a user output device to initiate a user alert, after performing the first detection of the at least one bio-signal; performing a second detection of the at least one bio-signal from the at least one user, after initiating the user alert; and processing the first detection of the at least one bio-signal and the second detection of the at least one bio-signal to determine whether one or more changes in the at least one bio-signal pass a significance test. | 01-12-2012 |
20120011477 | USER INTERFACES - Apparatus comprises at least one processor; and at least one memory including computer program code. The memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform a method of: determining an emotional or physical condition of a user of a device; and changing either: a) a setting of a user interface of the device, or b) information presented through the user interface, dependent on the detected emotional or physical condition. | 01-12-2012 |
20120157789 | METHOD, APPARATUS AND COMPUTER PROGRAM - A method, apparatus and computer program wherein the method includes: obtaining, from a detector, a detection of at least one bio-signal of a user of an apparatus; determining a mode of operation of the apparatus when the at least one bio-signal occurred; and correlating the at least one detected bio-signal of the user with the determined mode of operation in a bio-signal profile of the user of the apparatus. | 06-21-2012 |
20150091730 | Controlling A User Alert - A method, apparatus and computer program are provided. The method comprises: performing a first detection of at least one bio-signal from at least one user; controlling a user output device to initiate a user alert, after performing the first detection of the at least one bio-signal; performing a second detection of the at least one bio-signal from the at least one user, after initiating the user alert; and processing the first detection of the at least one bio-signal and the second detection of the at least one bio-signal to determine whether one or more changes in the at least one bio-signal pass a significance test. | 04-02-2015 |