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Class Information
Number: 708/314
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Filtering > Matched filter type
Description: Subject matter for maximizing the signal-to-noise ratio through the use of filters utilizing correlation techniques.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7606339 |
Information handling system including adaptive interference suppression feature and method of operation |
Oct. 20, 2009 |
| 7474147 |
Frequency shift keying signal demodulator method and apparatus |
Jan. 6, 2009 |
| 7466781 |
Programmable filter |
Dec. 16, 2008 |
| 7460983 |
Signal analysis system and calibration method |
Dec. 2, 2008 |
| 7454453 |
Methods, systems, and computer program products for parallel correlation and applications thereof |
Nov. 18, 2008 |
| 7418065 |
Multicarrier receivers and methods for detecting cyclic prefixes having unknown lengths |
Aug. 26, 2008 |
| 7340019 |
Programmable filter |
Mar. 4, 2008 |
| 7330522 |
Complementary code keying (CCK) sequentially decoding apparatus and process thereof |
Feb. 12, 2008 |
| 7295624 |
Wireless system with hybrid automatic retransmission request in interference-limited communications |
Nov. 13, 2007 |
| 7233969 |
Method and apparatus for a parallel correlator and applications thereof |
Jun. 19, 2007 |
| 7161528 |
Device and method for the suppression of pulsed wireless signals |
Jan. 9, 2007 |
| 7039091 |
Method and apparatus for implementing a two dimensional correlator |
May. 2, 2006 |
| 7010559 |
Method and apparatus for a parallel correlator and applications thereof |
Mar. 7, 2006 |
| 6868109 |
Space hopping receiving system and received radio-waves estimation method |
Mar. 15, 2005 |
| 6862323 |
Low pass filters for high dynamic range wideband direct conversion receiver |
Mar. 1, 2005 |
| 6816621 |
Method for generating shift-invariant filters |
Nov. 9, 2004 |
| 6775684 |
Digital matched filter |
Aug. 10, 2004 |
| 6772182 |
Signal processing method for improving the signal-to-noise ratio of a noise-dominated channel and a matched-phase noise filter for implementing the same |
Aug. 3, 2004 |
| 6700490 |
Digital detection filters for electronic article surveillance |
Mar. 2, 2004 |
| 6516020 |
Correlator and despreading code switching method |
Feb. 4, 2003 |
| 6512785 |
Matched filter bank |
Jan. 28, 2003 |
| 6456646 |
Methods and systems for detecting codewords with intersymbol interference and imperfect timing |
Sep. 24, 2002 |
| 6445756 |
Peak detecting circuit for detecting a peak of a time discrete signal by an approximate function |
Sep. 3, 2002 |
| 6366938 |
Reduced power matched filter using precomputation |
Apr. 2, 2002 |
| 6363108 |
Programmable matched filter searcher |
Mar. 26, 2002 |
| 6304591 |
Match filter architecture based upon parallel I/O |
Oct. 16, 2001 |
| 6226049 |
NTSC rejection filter |
May. 1, 2001 |
| 6154483 |
Coherent detection using matched filter enhanced spread spectrum demodulation |
Nov. 28, 2000 |
| 6044105 |
Doppler corrected spread spectrum matched filter |
Mar. 28, 2000 |
| 6038273 |
Reduction of numeric counting levels in resampling |
Mar. 14, 2000 |
| 6021419 |
System for filtering broadcast digital information in accordance with channel identifiers stored in preference list which can be dynamically updated via command through network |
Feb. 1, 2000 |
| 5980097 |
Reduced complexity signal converter |
Nov. 9, 1999 |
| 5966684 |
Method and apparatus for cancelling periodic electrical interference |
Oct. 12, 1999 |
| 5960033 |
Matched filter |
Sep. 28, 1999 |
| 5928313 |
Method and apparatus for sample rate conversion |
Jul. 27, 1999 |
| 5914987 |
Method of recovering symbols of a digitally modulated radio signal |
Jun. 22, 1999 |
| 5887025 |
Matched filter acting in charge domain |
Mar. 23, 1999 |
| 5887024 |
Matched filter |
Mar. 23, 1999 |
| 5880973 |
Signal processing system and method for enhanced cascaded integrator-comb interpolation filter stabilization |
Mar. 9, 1999 |
| 5841315 |
Matched filter circuit |
Nov. 24, 1998 |
| 5812546 |
Demodulator for CDMA spread spectrum communication using multiple pn codes |
Sep. 22, 1998 |
| 5812430 |
Componentized digital signal processing |
Sep. 22, 1998 |
| 5802102 |
Programmable two-part matched filter for spread spectrum |
Sep. 1, 1998 |
| 5787024 |
Horizontal filter in moving picture decoding apparatus |
Jul. 28, 1998 |
| 5787023 |
Digital filter device for electronic musical instruments |
Jul. 28, 1998 |
| 5758138 |
Method and system for reducing numeric counting levels in resampling control circuitry |
May. 26, 1998 |
| 5715276 |
Symbol-matched filter having a low silicon and power requirement |
Feb. 3, 1998 |
| 5627855 |
Programmable two-part matched filter for spread spectrum |
May. 6, 1997 |
| 5612975 |
Digital receiver for variable data rate communications |
Mar. 18, 1997 |
| 5574639 |
System and method for constructing filters for detecting signals whose frequency content varies with time |
Nov. 12, 1996 |
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