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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 147
375/222 Modems (data sets) 2,015
375/220 Transmission interface between two stations or terminals 610


Patents under this class:

Patent Number Title Of Patent Date Issued
RE40978 Communication system Nov. 17, 2009
7620378 Method and system for frequency up-conversion with modulation embodiments Nov. 17, 2009
7620127 High availability digital radio architecture Nov. 17, 2009
7616696 System and method to increase sector throughput in a multi-carrier operation Nov. 10, 2009
7616694 Noise free transceiver circuit Nov. 10, 2009
7616682 Method and device for chronologically synchronizing a location network Nov. 10, 2009
7616627 Techniques for high definition audio modems Nov. 10, 2009
7613270 System and method for adaptive multi-rate (AMR) vocoder rate adaptation Nov. 3, 2009
7613264 Flexible sampling-rate encoder Nov. 3, 2009
7613244 System for communicating channel quality information Nov. 3, 2009
7613237 Built-in test feature to facilitate system level stress testing of a high-speed serial link that uses a forwarding clock Nov. 3, 2009
7613234 Near-end, far-end and echo cancellers in a multi-channel transceiver system Nov. 3, 2009
7613233 Method and controller for controlling communication resources Nov. 3, 2009
7613222 Wideband communication method Nov. 3, 2009
7609792 Multiple-input multiple-output multichip transceiver with correlated clock signals Oct. 27, 2009
7607052 Physical coding sublayer for a multi-pair gigabit transceiver Oct. 20, 2009
7606874 Network system, method and apparatus for processing information, and control program Oct. 20, 2009
7606330 Dual-rate single band communication system Oct. 20, 2009
7606288 Burst spread spectrum radio system and method for asset tracking and data telemetry Oct. 20, 2009
7602842 Digital signal transmission system Oct. 13, 2009
7602696 Adaptive guard intervals in OFDM systems Oct. 13, 2009
7600178 Methods for the determination of FEC parameters in DMT based xDSL systems in the presence of system imposed constraints Oct. 6, 2009
7599428 Frequency-division multiplexing transceiver apparatus and method Oct. 6, 2009
7599427 Micro range radio frequency (RF) communications link Oct. 6, 2009
7593457 Transceiver system and method having a transmit clock signal phase that is phase-locked with a receive clock signal phase Sep. 22, 2009
7590201 Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system Sep. 15, 2009
7590182 Method and apparatus for utilizing channel state information in a wireless communication system Sep. 15, 2009
7590168 Low complexity high-speed communications transceiver Sep. 15, 2009
7587222 Baseband / RFIC interface for high throughput MIMO communications Sep. 8, 2009
7586989 Method and system for generating beam-forming weights in an orthogonal frequency division multiplexing network Sep. 8, 2009
7583937 Digital interface and related event manager for integrated circuits Sep. 1, 2009
7583747 Method of systematic construction of space-time constellations, system and method of transmitting space-time constellations Sep. 1, 2009
7583735 Methods and systems for handling underflow and overflow in a software defined radio Sep. 1, 2009
7583725 Dynamically reconfigurable adaptive communication device and system Sep. 1, 2009
7583724 Low-power mixed-mode echo/crosstalk cancellation in wireline communications Sep. 1, 2009
7580465 Low speed access to DRAM Aug. 25, 2009
7577189 Selectable hybrid circuitry for transmission systems and method therefor Aug. 18, 2009
7573945 System and method for joint maximal ratio combining using time-domain based signal processing Aug. 11, 2009
7573910 Wireless device with dynamic fragmentation threshold adjustment Aug. 11, 2009
7570705 GMSK modulation using a dual-port memory Aug. 4, 2009
7570688 Non-chronological system statistics Aug. 4, 2009
7570685 System, method and apparatus for crosstalk cancellation Aug. 4, 2009
7570599 Adaptively applying a target noise margin to a digital subscriber line (DSL) loop for DSL data rate establishment Aug. 4, 2009
7567758 Transceiver module and integrated circuit with multi-rate eye openers and bypass Jul. 28, 2009
7567629 Multiphase clock recovery Jul. 28, 2009
7567612 SDMA communications with non-immediate block acknowledgment Jul. 28, 2009
7567611 Compensation of I-Q imbalance in digital transceivers Jul. 28, 2009
7567610 Frequency conversion circuit, radio frequency wave receiver, and radio frequency transceiver Jul. 28, 2009
7565113 Method and apparatus to resist fading in mimo and simo wireless systems Jul. 21, 2009
7564904 Apparatus for and method of detection of powered devices over a network Jul. 21, 2009



 
 
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