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Class Information
Number: 375/340
Name: Pulse or digital communications > Receivers > Particular pulse demodulator or detector
Description: Subject matter including specific details of the apparatus to convert the pulse signal back to baseband.


Sub-classes under this class:

Class Number Class Name Patents
375/343 Correlative or matched filter 1,080
375/342 Locating predetermined portion of pulse 260
375/341 Maximum likelihood decoder or viterbi decoder 1,361


Patents under this class:
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Patent Number Title Of Patent Date Issued
6829312 Iterative projection with initialization using a network user identifier Dec. 7, 2004
6826239 Modulating method, modulator, demodulating method and demodulator Nov. 30, 2004
6826240 Method and device for multi-user channel estimation Nov. 30, 2004
6826243 Circuit arrangement for the processing of binary signals Nov. 30, 2004
6823030 Data synchronizing signal detecting device Nov. 23, 2004
6816556 Bandwidth-efficient concatenated trellis-coded modulation decoder and decoding method thereof Nov. 9, 2004
6813321 Digital demodulator Nov. 2, 2004
6813322 Soft output value biasing Nov. 2, 2004
6813323 Decoding method and communication terminal apparatus Nov. 2, 2004
6810074 Apparatus and method for detecting a received on-off keying signal in a CDMA mobile communication system Oct. 26, 2004
6810093 Sequence detection Oct. 26, 2004
6807230 Broadcast encoding system and method Oct. 19, 2004
6807238 Method and apparatus for decoding M-PSK turbo code using new approximation technique Oct. 19, 2004
6803814 Demodulator and method for the demodulation of modulated RF signals Oct. 12, 2004
6803828 Lock detector for phase locked loops Oct. 12, 2004
6804309 Modulation format identification device and method of same Oct. 12, 2004
6804466 Optical coding system Oct. 12, 2004
6801586 OFDM communication apparatus and propagation path estimation method Oct. 5, 2004
6798826 Method and apparatus for performing reverse rate matching in a CDMA system Sep. 28, 2004
6798850 Method and arrangement in a radio receiver system with several standards Sep. 28, 2004
6798851 Decoding for a non-linear codec Sep. 28, 2004
6795771 Method and apparatus for correlating a satellite signal with a reference code Sep. 21, 2004
6792051 In-band-on-channel broadcast system for digital data Sep. 14, 2004
6792052 Joint least-square synchronization, channel estimation and noise estimation Sep. 14, 2004
6792055 Data communications receiver with automatic control of gain or threshold for soft decision decoding Sep. 14, 2004
6792059 Early/on-time/late gate bit synchronizer Sep. 14, 2004
6788749 Erasure based instantaneous loop control in a data receiver Sep. 7, 2004
6785212 Optical disk reproducing apparatus having a viterbi detector Aug. 31, 2004
6785350 Apparatus, and associated method, for detecting a symbol sequence Aug. 31, 2004
6785353 Synchronization loss detection in a V.34 receiver Aug. 31, 2004
6782059 Discontinuous transmission (DTX) detection Aug. 24, 2004
6781446 Method and apparatus for the detection and classification of signals utilizing known repeated training sequences Aug. 24, 2004
6778621 Precision resampling system Aug. 17, 2004
6775334 Equalization and decision-directed loops with trellis demodulation in high definition TV Aug. 10, 2004
6775344 Dropout resistant phase-locked loop Aug. 10, 2004
6775521 Bad frame indicator for radio telephone receivers Aug. 10, 2004
6771716 Method of communication with coherence checking and device for the implementation thereof Aug. 3, 2004
6771717 Arrangement and method for restricting word length Aug. 3, 2004
6771722 Channel estimator and method therefor Aug. 3, 2004
6771723 Normalized parametric adaptive matched filter receiver Aug. 3, 2004
6768373 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level Jul. 27, 2004
6765521 Decoding device and smart card having such a decoding device Jul. 20, 2004
6759941 Circuit for detecting electrical signals at a given frequency Jul. 6, 2004
6760385 Universal parallel processing decoder Jul. 6, 2004
6760386 Receiver and method therefor Jul. 6, 2004
6757321 Segment-wise channel equalization based data estimation Jun. 29, 2004
6757343 Discrete wavelet transform system architecture design using filterbank factorization Jun. 29, 2004
6754261 System, device, and method for determining the sampling time for a time-domain equalizer Jun. 22, 2004
6754281 Programmable digital demodulator for OFDM modulations Jun. 22, 2004
6754290 Highly parallel map decoder Jun. 22, 2004

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