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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 167
375/317 Automatic baseline or threshold adjustment 374
375/344 Automatic frequency control 830
375/345 Automatic gain control 833
375/346 Interference or noise reduction 1,618
375/338 Interrupted carrier wave 14
375/340 Particular pulse demodulator or detector 1,538
375/352 With electromagnetic relay or solenoid 13


Patents under this class:

Patent Number Title Of Patent Date Issued
6678512 Receiver system using analog to digital conversion at radio frequency and method Jan. 13, 2004
6674813 Integrated circuit for detecting a received signal and circuit configuration Jan. 6, 2004
6674974 Method and apparatus for tracking in an optical communications system Jan. 6, 2004
6670901 Dynamic range on demand receiver and method of varying same Dec. 30, 2003
6671331 Carrier detecting circuit for detecting the level of a received signal and communication apparatus Dec. 30, 2003
6665354 Differential input receiver and method for reducing noise Dec. 16, 2003
6657678 Digital broadcasting receiver Dec. 2, 2003
6658050 Channel estimates in a CDMA system using power control bits Dec. 2, 2003
6654428 Systems and methods for wireless communications Nov. 25, 2003
6654429 Pilot-aided channel estimation for OFDM in wireless systems Nov. 25, 2003
6650875 Transmitter architecture having a secondary phase-error correction loop including an amplitude reconstruction system Nov. 18, 2003
6647075 Digital tuner with optimized clock frequency and integrated parallel CIC filter and local oscillator Nov. 11, 2003
6643324 Pad cell circuit-integrated, differential-signal equalization receiver for integrated circuit and method of boosting and equalizing high frequency differential signals Nov. 4, 2003
6643334 Bandpass tracker for DTV receiver, with VSB I-F signal filtered for more symmetrical AFPC Loop response Nov. 4, 2003
6643339 Receiver and receiving method Nov. 4, 2003
6643813 Method and apparatus for reliable and efficient data communications Nov. 4, 2003
6640093 Broadcast receiver Oct. 28, 2003
6636569 Nyquist band frequency translation Oct. 21, 2003
6631166 Method and apparatus for signal generation and detection using unstable periodic chaotic orbits Oct. 7, 2003
6631170 Radio frequency receiver Oct. 7, 2003
6628729 Apparatus and method for downloading and storing data from a digital receiver Sep. 30, 2003
6625230 Multi-frequency superposition receiver method Sep. 23, 2003
6625231 Adaptive phase demodulation Sep. 23, 2003
6625468 Digital portable telephone unit and method for playing back voice/sound in the same unit Sep. 23, 2003
6621877 Method to train a radio receiver Sep. 16, 2003
6621878 Pulse transmission receiver with higher-order time derivative pulse correlator Sep. 16, 2003
6621879 Digital radio system, a digital radio device, and a quadrature demodulator Sep. 16, 2003
6614855 Apparatus for receiving broadcasting signals Sep. 2, 2003
6614856 Intermediary frequency input QPSK demodulator Sep. 2, 2003
6614859 Method and system for angle of arrival estimation and data detection using vector per-survivor processing of signals from an array of antennas Sep. 2, 2003
6608703 Data receiving device, data transmitting apparatus, data transmitting method, and image forming apparatus Aug. 19, 2003
6608710 Automatic gain control circuit and optical receiver Aug. 19, 2003
6608871 Data slicers Aug. 19, 2003
6603806 Method and apparatus for high data rate wireless communications over wavefield spaces Aug. 5, 2003
6603819 Radio symbol synchronization and doppler estimation techniques Aug. 5, 2003
6597238 Demodulating circuit of wireless receiving apparatus and demodulating method Jul. 22, 2003
6597727 Programmable modem apparatus for transmitting and receiving digital data, design method and use method for the modem Jul. 22, 2003
6597751 Method of displaying signals in the presence of inter symbol interference Jul. 22, 2003
6597752 Method for detecting a dotting sequence for manchester encoded data in a deep fading environment Jul. 22, 2003
6598107 Method for communicating data on a serial bus Jul. 22, 2003
6590941 Semi-NDA frequency correction at the receiving end in a packet transmission system Jul. 8, 2003
6590942 Least squares phase fit as frequency estimate Jul. 8, 2003
6590943 Radio receiver Jul. 8, 2003
6591092 Signal receiving apparatus with a gain controller and method thereof Jul. 8, 2003
6587517 Multi-stage receiver Jul. 1, 2003
6584146 Systems and methods for wireless communications Jun. 24, 2003
6584151 Robust adaptive equalizer Jun. 24, 2003
6584157 Receiver having integrated mixer and Sigma-Delta analog-to digital conversion Jun. 24, 2003
6584164 Method for forming a training sequence Jun. 24, 2003
6580762 Rate matching method Jun. 17, 2003



 
 
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