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Class Information
Number: 375/316
Name: Pulse or digital communications > Receivers
Description: Subject matter including apparatus to decode, demodulate, or otherwise recover the transmitted intelligence.


Sub-classes under this class:

Class Number Class Name Patents
375/320 Amplitude modulation 105
375/322 Angle modulation 166
375/317 Automatic baseline or threshold adjustment 373
375/344 Automatic frequency control 829
375/345 Automatic gain control 831
375/346 Interference or noise reduction 1,613
375/338 Interrupted carrier wave 14
375/340 Particular pulse demodulator or detector 1,533
375/352 With electromagnetic relay or solenoid 13


Patents under this class:
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Patent Number Title Of Patent Date Issued
7321639 Demodulator and address information extractor Jan. 22, 2008
7321632 Method and apparatus for multi-algorithm detection Jan. 22, 2008
7321621 Differential receiver circuit with electronic dispersion compensation for optical communications systems Jan. 22, 2008
7321324 Unconditionally stable analog-to-digital converter Jan. 22, 2008
7317772 Multi-mode variable rate digital cable receiver Jan. 8, 2008
7317768 Demodulator and demodulation method for demodulating received signals Jan. 8, 2008
7317766 Apparatus and method for demodulating signal Jan. 8, 2008
7317761 Multi-carrier communication system and receiver thereof Jan. 8, 2008
7315588 System and method for enhanced acquisition for large frequency offsets and poor signal to noise ratio Jan. 1, 2008
7315585 Clock-less serial data interface using a single pin Jan. 1, 2008
7315584 Coherent receiver Jan. 1, 2008
7315583 Digital subscriber line (DSL) modems supporting high-speed universal serial bus (USB) interfaces and related methods and computer program products Jan. 1, 2008
7315578 Fast soft value computation methods for gray-mapped QAM Jan. 1, 2008
7315571 Method and apparatus for a variable bandwidth multi-protocol X-DSL transceiver Jan. 1, 2008
7313203 Method and system for estimating and compensating IQ imbalance Dec. 25, 2007
7313202 Asynchronous serial data receiver for packet transfer Dec. 25, 2007
7313201 Multi-range transconductor and method of operation Dec. 25, 2007
7313170 Spread spectrum receiver Dec. 25, 2007
7313125 OFDM demodulation method and semiconductor integrated circuit device Dec. 25, 2007
7313086 OFDM receiver, semiconductor integrated circuit and OFDM method for receiving a signal Dec. 25, 2007
7310497 Radio communication repeater Dec. 18, 2007
7310387 Apparatus for compensating DC offsets, gain and phase imbalances between I-channel and Q-channel in quadrature transceiving system Dec. 18, 2007
7310386 Radio receiver utilizing a single analog to digital converter Dec. 18, 2007
7310366 Procedure for estimating amplification factors of a CDMA signal Dec. 18, 2007
7310365 Group decision rule in code tracking using a delay lock loop (DLL) Dec. 18, 2007
7308240 Numerical control oscillator, digital frequency converter and radio frequency unit Dec. 11, 2007
7308044 Technique for receiving differential multi-PAM signals Dec. 11, 2007
7308037 Radio receiving apparatus and method Dec. 11, 2007
7305050 Method and apparatus for processing signals received from a channel having a variable channel length Dec. 4, 2007
7305049 Characterizing channel response in a single upstream burst using redundant information from training tones Dec. 4, 2007
7305048 Burst mode receiver and method for stable reception of packet data on telephone line Dec. 4, 2007
7305047 Automatic lane assignment for a receiver Dec. 4, 2007
7305045 Low voltage swing pad driver and receiver Dec. 4, 2007
7302233 Multiuser detection for wireless communications systems in the presence of interference Nov. 27, 2007
7302023 Application of multipath combiner and equalizer in a multi-channel direct sequence spread spectrum communication system Nov. 27, 2007
7302013 Multi-mode variable rate digital satellite receiver Nov. 27, 2007
7302012 Apparatus and method for symbol combining in a mobile communication system Nov. 27, 2007
7301775 Receiving device Nov. 27, 2007
7301377 Demodulation apparatus and receiving apparatus Nov. 27, 2007
7298784 Reception method, reception apparatus and wireless transmission system using adaptive modulation scheme Nov. 20, 2007
7295631 Stereo demultiplexer Nov. 13, 2007
7295630 Receiver having a variable threshold slicer stage and a method of updating the threshold levels of the slicer stage Nov. 13, 2007
7295629 Data carrier having a controllable carrier-signal receiving-means configuration Nov. 13, 2007
7292652 Symbol detecting with large frequency error Nov. 6, 2007
7292651 Pilot-aided channel estimation for OFDM in wireless systems Nov. 6, 2007
7292650 OFDM receiver and metric generator thereof Nov. 6, 2007
7292649 3G radio Nov. 6, 2007
7292642 Reference symbol multicarrier signal designed to limit intersymbol interference Nov. 6, 2007
7289578 Wireless local area network apparatus Oct. 30, 2007
7289574 Method of link adaptation in enhanced cellular systems to discriminate between high and low variability Oct. 30, 2007

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