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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
6108387 AFC circuit for a frequency scanning receiver Aug. 22, 2000
6104764 Radio receiving apparatus for receiving communication signals of different bandwidths Aug. 15, 2000
6101226 Radio receiving apparatus for receiving communication signals of different bandwidths Aug. 8, 2000
6091765 Reconfigurable radio system architecture Jul. 18, 2000
6091780 Transmitting and receiving radio signals Jul. 18, 2000
6091785 Receiver having a memory based search for fast acquisition of a spread spectrum signal Jul. 18, 2000
6091788 Base station equipment and a method for steering an antenna beam Jul. 18, 2000
6088399 Multi-mode transmitter and receiver Jul. 11, 2000
6088400 Receiving device for synchronous serial transmission data Jul. 11, 2000
6084922 Waiting circuit Jul. 4, 2000
6081558 Apparatus and method for low power operation with high sensitivity in a communications receiver Jun. 27, 2000
6081561 Method and apparatus for receiving and reconstituting a data signal employing oversampling and selection of a sampled data signal remote from transitions in the data signal Jun. 27, 2000
6078630 Phase-based receiver with multiple sampling frequencies Jun. 20, 2000
6075820 Sampling receiver with multi-branch sigma-delta modulators and digital channel mismatch correction Jun. 13, 2000
6075824 Method and apparatus for re-encoding decoded data Jun. 13, 2000
6075825 Timing and data recovery circuit for ultra high speed optical communication system Jun. 13, 2000
6072840 High speed differential CMOS sine-wave receiver with duty-cycle control means Jun. 6, 2000
6072994 Digitally programmable multifunction radio system architecture Jun. 6, 2000
6072997 Frequency discriminator for a direct conversion receiver Jun. 6, 2000
6069923 Method and a circuit arrangement for the processing of received signals in a telecommunication system May. 30, 2000
6067328 High precision hardware carrier frequency and phase aiding in a GPS receiver May. 23, 2000
6064699 Wireless speaker system for transmitting analog and digital information over a single high-frequency channel May. 16, 2000
6061385 Method and a circuit arrangement for signal processing in a telecommunication system May. 9, 2000
6058144 Multi-GB/S data pulse receiver May. 2, 2000
6058145 Method of demodulating a multi-frequency quadrature modulated signal May. 2, 2000
6058146 Receiver employing coded modulation May. 2, 2000
6055283 Data detection circuit Apr. 25, 2000
6049573 Efficient polyphase quadrature digital tuner Apr. 11, 2000
6043771 Compact, sensitive, low power device for broadband radar detection Mar. 28, 2000
6038248 Method and apparatus for receiving and converting spread spectrum signals Mar. 14, 2000
6038264 Data receiving apparatus Mar. 14, 2000
6038265 Apparatus for amplifying a signal using digital pulse width modulators Mar. 14, 2000
6038275 Digital broadcasting receiver Mar. 14, 2000
6038431 Card-type electronic device for adding a data communication function to an apparatus without hardware modification of the apparatus Mar. 14, 2000
6034732 Digital broadcast receiving terminal apparatus Mar. 7, 2000
6035001 Method and arrangement in a transmission system Mar. 7, 2000
6031878 Direct-conversion tuner integrated circuit for direct broadcast satellite television Feb. 29, 2000
6031879 Wideband undersampling digital receiver Feb. 29, 2000
6026129 Radio receiving apparatus for receiving communication signals of different bandwidths Feb. 15, 2000
6009126 Zero-IF receiver Dec. 28, 1999
6005896 Radio data communication device and radio data communication method Dec. 21, 1999
6005900 Wideband channelization using subsampled discrete fourier transforms Dec. 21, 1999
6002925 Radio frequency transceiver and subassemblies thereof Dec. 14, 1999
5999559 Radio receiver for spread spectrum signal Dec. 7, 1999
5999572 Digital broadcasting receiver tuner Dec. 7, 1999
5999573 Wideband channelization with variable sampling frequency Dec. 7, 1999
5995556 Front end for GPS receivers Nov. 30, 1999
5995557 Tone detection with aliasing bandpass filters Nov. 30, 1999
5995558 Rob bit compensation system and method associated with a receiver or codec Nov. 30, 1999
5991330 Mobile Station synchronization within a spread spectrum communication systems Nov. 23, 1999



 
 
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