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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 287
375/222 Modems (data sets) 2,574
375/220 Transmission interface between two stations or terminals 1,033

Patents under this class:

Patent Number Title Of Patent Date Issued
8611451 Precoder coefficient optimization method and apparatus for communications systems Dec. 17, 2013
8611448 Codebook adaptation in MIMO communication systems using multilevel codebooks Dec. 17, 2013
8611445 Multiple-input multiple-output wireless transceiver architecture Dec. 17, 2013
8611436 Wideband balun structure Dec. 17, 2013
8611404 Multicarrier transmission system with low power sleep mode and rapid-on capability Dec. 17, 2013
8611403 Apparatus and methods for transceiver power adaptation Dec. 17, 2013
8611402 Fast envelope system calibration Dec. 17, 2013
8611401 Cancellation system for millimeter-wave radar Dec. 17, 2013
8611400 RF transceiver device with RF bus Dec. 17, 2013
8605814 Distortion-compensated RF transmitter and method therefor Dec. 10, 2013
8605811 Method, apparatus, and system for data signal transmission in multi-antenna system Dec. 10, 2013
8605776 Proximity contactless communication apparatus capable of selecting appropriate encoding method according to bandwidth between antennas Dec. 10, 2013
8605773 Apparatus and method for data communication using radio frequency Dec. 10, 2013
8605772 Transceiver system having phase and frequency detector and method thereof Dec. 10, 2013
8605633 Frame/packet-based calibration for wireless transceivers Dec. 10, 2013
8599946 Method of transmitting feedback information for precoding and precoding method Dec. 3, 2013
8599941 Data transmission system and method Dec. 3, 2013
8599937 Pulse transformer driver Dec. 3, 2013
8599916 Reliable and non-manipulatable processing of data streams in a receiver Dec. 3, 2013
8599907 Method and device for performing communication in digital subscriber line Dec. 3, 2013
8599727 Method for transmitting control information in wireless communication system and apparatus therefor Dec. 3, 2013
8594232 System for predistortion and post-distortion correction of both a receiver and transmitter during calibration Nov. 26, 2013
8594230 System and method for constructing unique word sets for efficient detection using orthogonal functions Nov. 26, 2013
8594216 Beamforming feedback options for MU-MIMO Nov. 26, 2013
8594162 Impulse noise management Nov. 26, 2013
8594161 Method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook Nov. 26, 2013
8594160 Radio transmitting/receiving circuit, wireless communication apparatus, and radio transmitting/receiving method Nov. 26, 2013
8594159 Transceiver amplifier and delay deviation compensation method Nov. 26, 2013
8594051 Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems Nov. 26, 2013
8588358 Clock and data recovery using LC voltage controlled oscillator and delay locked loop Nov. 19, 2013
8588352 Wireless device Nov. 19, 2013
8588351 Multi-band signal detection Nov. 19, 2013
8588328 Information transmission system, information transmission device, information transmission method, and computer readable medium storing a program for information transmission Nov. 19, 2013
8588325 Communication system, transmission device, reception device, and communication method Nov. 19, 2013
8588314 Communication device and method for detecting broadcast wave to be performed by communication device Nov. 19, 2013
8588285 Method and apparatus for operating a digital subscriber line arrangement Nov. 19, 2013
8588284 Systems and methods for networked wearable medical sensors Nov. 19, 2013
8588283 Method and system for frame formats for MIMO channel measurement exchange Nov. 19, 2013
8588282 Transmitting/receiving device and signal transmitting apparatus Nov. 19, 2013
8588281 Transceiver having embedded clock interface and method of operating transceiver Nov. 19, 2013
8588280 Asymmetric communication on shared links Nov. 19, 2013
8588086 Reverse link data rate indication for satellite-enabled communications systems Nov. 19, 2013
8582670 Receiving apparatus, transmitting-receiving apparatus, and transmission system method therefor Nov. 12, 2013
8582631 Managing communication operations of wireless devices Nov. 12, 2013
8582629 Wireless signal transceiving apparatus Nov. 12, 2013
8582628 Transmitting apparatus, receiving apparatus, transmitting/receiving system, and image display system Nov. 12, 2013
8582627 Precode structure for MIMO precoding Nov. 12, 2013
8577287 Transmission diversity scheme of multiple cell cooperative communications Nov. 5, 2013
8576956 Method for detecting random access signal Nov. 5, 2013
8576938 Channel estimation for low-overhead communication in a network Nov. 5, 2013

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