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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 1,083
375/342 Locating predetermined portion of pulse 260
375/341 Maximum likelihood decoder or viterbi decoder 1,362


Patents under this class:
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Patent Number Title Of Patent Date Issued
7145945 Interference-free LMS-based adaptive asynchronous receiver Dec. 5, 2006
7139336 Method and system for channel estimation using iterative estimation and detection Nov. 21, 2006
7139330 System for signal mixing and method thereof Nov. 21, 2006
7136442 Receiving circuit receiving message signals Nov. 14, 2006
7136434 Apparatus and method for detecting energy of tone signal Nov. 14, 2006
7136433 Frequency offset cancellation circuit for data determination in FM wireless communications Nov. 14, 2006
7136429 Passive redundant digital data receiver with dual comparator edge detection Nov. 14, 2006
7133471 Demodulation of multiple signals Nov. 7, 2006
7133457 Joint timing recovery for multiple signal channels Nov. 7, 2006
7130362 Method and apparatus for establishing non-standard data rates in a wireless communication system Oct. 31, 2006
7123677 Variable sampling data output circuit Oct. 17, 2006
7116730 Demodulation apparatus Oct. 3, 2006
7113554 Turbo decoder system comprising parallel decoders Sep. 26, 2006
7110785 Performing power control in a mobile communications system Sep. 19, 2006
7110478 Phase difference based frequency correction channel detector for wireless communication system Sep. 19, 2006
7109787 High-efficiency circuit for demodulating carriers in quadrature Sep. 19, 2006
7106811 Wireless communication method and apparatus for performing post-detection constellation correction Sep. 12, 2006
7106812 Device for the recovery of data from a received data signal Sep. 12, 2006
7106816 Supporting multiple wireless protocols in a wireless device Sep. 12, 2006
7103115 Optimum training sequences for wireless systems Sep. 5, 2006
7103116 Detection of a false detection of a communication packet Sep. 5, 2006
7099270 Multi-path equalization for orthogonal frequency division multiplexing communication system Aug. 29, 2006
7099375 Chip rate invariant detector Aug. 29, 2006
7099408 Apparatus and method for signal processing Aug. 29, 2006
7099409 Channel estimation and/or equalization using repeated adaptation Aug. 29, 2006
7099425 Adjustment circuit and method for tuning of a clock signal Aug. 29, 2006
7095781 Polyphase filter with stack shift capability Aug. 22, 2006
7095804 Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems Aug. 22, 2006
7095808 Code puncturing method and apparatus Aug. 22, 2006
7095809 Practical M-ary demodulator using hard decision circuit and method of operation for use in a CDMA wireless network base station Aug. 22, 2006
7095810 Practical M-ary demodulator and method of operation for use in a CDMA wireless network base station Aug. 22, 2006
7095811 Apparatus and method for secondary synchronization channel detection in a 3GPP WCDMA receiver Aug. 22, 2006
7091828 Interrogators, methods of operating a coherent interrogator, backscatter communication methods, interrogation methods, and signal processing methods Aug. 15, 2006
7092457 Adaptive iterative detection Aug. 15, 2006
7092462 Asynchronous servo RRO detection employing interpolation Aug. 15, 2006
7092469 Synchronization signal detector and method of detection of synchronization signal Aug. 15, 2006
7088791 Systems and methods for improving FFT signal-to-noise ratio by identifying stage without bit growth Aug. 8, 2006
7088793 Equalizer for complex modulations in very noisy environments Aug. 8, 2006
7088956 Path search circuit, radio receiver and radio transmitter, utilizing a directional beam Aug. 8, 2006
7085332 Method and apparatus for two-user joint demodulation in a system having transmit diversity Aug. 1, 2006
7085548 Harmonic mixer Aug. 1, 2006
7082172 Digital signal gating apparatus and method in a pulse receiver system Jul. 25, 2006
7079592 Complementary code keying demodulation system Jul. 18, 2006
7079601 Efficient channel estimation in a digital communications system Jul. 18, 2006
7079602 Receiving apparatus and method and provision medium Jul. 18, 2006
7079613 Apparatus and method for using training sequences to estimate timing error in a digital signal receiver Jul. 18, 2006
7079988 Method for the higher-order blind identification of mixtures of sources Jul. 18, 2006
7075585 Broadband receiver having a multistandard channel filter Jul. 11, 2006
7075899 System and method for providing private in-band data to digital set-top boxes in a broadcast environment Jul. 11, 2006
7075970 Method of decoding turbo-encoded data and receiver for decoding turbo-encoded data Jul. 11, 2006

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