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Class Information
Number: 375/219
Name: Pulse or digital communications > Transceivers
Description: Subject matter in which a transmitter and a receiver are at the same location and transmit and receive over the same medium to-and-from the same remote station.










Sub-classes under this class:

Class Number Class Name Patents
375/221 Loopback mode 277
375/222 Modems (data sets) 2,546
375/220 Transmission interface between two stations or terminals 1,002


Patents under this class:
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Patent Number Title Of Patent Date Issued
8064501 Method and apparatus for generating a periodic training signal Nov. 22, 2011
8060673 Smart card read/write control method based on USB interface and reader/writer thereof Nov. 15, 2011
8060032 Wireless communication device Nov. 15, 2011
8059777 Method and apparatus for generating phase shifted local oscillator signals for a feedback loop on a transmitter Nov. 15, 2011
8059742 Method and device for operating MIMO air interfaces in mobile communications systems Nov. 15, 2011
8059704 Near-end crosstalk noise minimization and power reduction for digital subscriber loops Nov. 15, 2011
8059703 System and method for determining a suitable impedance for a modem Nov. 15, 2011
8054892 Compensating transmission line to reduce sensitivity of performance due to channel length variation Nov. 8, 2011
8054873 Joint phased training of equalizer and echo canceller Nov. 8, 2011
8054871 Semiconductor device and semiconductor integrated circuit Nov. 8, 2011
8054870 System for transmitting information data from a transmitter to a receiver over a nested block channel Nov. 8, 2011
8054869 Reduced complexity frequency band and virtual antenna combination (VAC) selection Nov. 8, 2011
8054868 UWB transmitting/receiving apparatus, UWB transmitting/receiving terminal apparatus, and UWB transmitting/receiving system Nov. 8, 2011
8054779 Simultaneous wireless support in software defined radio Nov. 8, 2011
8050314 Apparatus and method for wireless communication, and computer program Nov. 1, 2011
8050313 Single chip low power fully integrated 802.15.4 radio platform Nov. 1, 2011
8050312 System and method for multi-source communications Nov. 1, 2011
8046165 Device for assisting in the navigation of an aircraft in an airport zone Oct. 25, 2011
8045626 Differential transmitter, differential receiver, signal transmitter, and signal transmitting system Oct. 25, 2011
8045602 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability Oct. 25, 2011
8045601 Method for synchronizing seamless rate adaptation Oct. 25, 2011
8040970 Method and apparatus for adaptive reduced overhead transmit beamforming for wireless communication systems Oct. 18, 2011
8036303 Transmitter apparatus Oct. 11, 2011
8036286 Signal generation using phase-shift based pre-coding Oct. 11, 2011
8036285 Multi-carrier communication system Oct. 11, 2011
8036259 Interactive wireless communication device Oct. 11, 2011
8036258 Method and system for increasing transmission speed of wired or wireless signals while minimizing the bit error rate Oct. 11, 2011
8036240 Software defined cognitive radio Oct. 11, 2011
8031809 Template pulse generating circuit, communication device, and communication method Oct. 4, 2011
8027379 Monitoring and adjusting noise parameters Sep. 27, 2011
8027376 Method and system for measuring IQ path mismatch Sep. 27, 2011
8023557 Hardware synchronizer for 802.15.4 radio to minimize processing power consumption Sep. 20, 2011
8023556 Autonomously generating ramp profiles in a transceiver Sep. 20, 2011
8019035 Noise shaped interpolator and decimator apparatus and method Sep. 13, 2011
8019018 Determining a mode to transmit data Sep. 13, 2011
8014820 Baseband / RFIC interface for high throughput MIMO communications Sep. 6, 2011
8014465 Digital modulator, digital modulating method, digital transceiver system, and testing apparatus Sep. 6, 2011
8014456 Preamble detection with multiple receive antennas Sep. 6, 2011
8014439 Communication device and communication method Sep. 6, 2011
8014437 Low-rate long-range mode for OFDM wireless LAN Sep. 6, 2011
8009786 Method for agile region and band conscious frequency planning for wireless transceivers Aug. 30, 2011
8009726 Carrier grouping in multi-carrier systems Aug. 30, 2011
8005470 High-speed internal wireless bus Aug. 23, 2011
8005437 Fully integrated micro-strip VCO Aug. 23, 2011
8005132 Non-intrusive modem performance analysis Aug. 23, 2011
8005130 Transmitter and receiver using forward clock overlaying link information Aug. 23, 2011
RE42643 Communication system Aug. 23, 2011
8000405 Transmission method, transmission apparatus and communication system Aug. 16, 2011
7995684 Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver Aug. 9, 2011
7995643 Electronic apparatus and unit utilized in electronic system Aug. 9, 2011

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