41
Steven D Wagner: Television digital signal processing apparatus employing time-base correction. Yves C Faroudia, Thomas A Gallagher, February 4, 1997: US05600379 (83 worldwide citation)

A color television signal, digitized by a sampling clock asynchronous with respect to the television signal's horizontal synchronizing pulses, is applied to a dynamically programmable digital filter which upsamples or downsamples the received digitized television signal over short time periods in re ...


42
Paul G Knutson: Reconfigurable programmable digital filter architecture useful in communication receiver. Thomson Consumer Electronics, Joseph S Tripoli, Eric P Herrmann, Ronald H Kurdyla, February 7, 1995: US05388062 (83 worldwide citation)

A VLSI integrated circuit, which comprises a single IIR input and global section and identically-structured cascadable filter sections, each of which filter sections includes a pair of time-multiplexed, real-coefficient, input-weighted FIR filter units and additional delay means, can be selectively ...


43
Scott A Moskowitz: Optimization methods for the insertion, protection, and detection of digital watermarks in digital data. Wistaria Trading, September 12, 2006: US07107451 (82 worldwide citation)

Disclosed herein are methods and systems for encoding digital watermarks into content signals. Also disclosed are systems and methods for detecting and/or verifying digital watermarks in content signals. According to one embodiment, a system for encoding of digital watermark information includes: a ...


44
Harunori Tokutsu: Weighing apparatus having an automatic filter adjusting capability. Ishida, Staas & Halsey, August 7, 2001: US06271484 (82 worldwide citation)

In order to provide a combination weighing apparatus having an automatic filter adjusting capability which is effective to secure a weighing accuracy and also to adjust a filter characteristic of a digital filter having a short response time, the filter characteristic is automatically adjusted, base ...


45
Mustafa K Gurcan: Decision feedback equalizer and a method of operating a decision feedback equalizer. U S Philips Corporation, Jack D Slobod, January 15, 1991: US04985902 (82 worldwide citation)

A decision feedback equalizer includes a transversal feedforward digital filter section (16) and a recursive feedback digital filter section (18) including a decision stage (20). In order to optimize the performance of the equalizer, the reference tap position is preferably aligned with a storage lo ...


46
Thomas G Marshall Jr: Digital filter bank. Bell Telephone Laboratories Incorporated, Volker R Ulbrich, July 12, 1983: US04393456 (82 worldwide citation)

A digital filter bank (10) which has a discrete cosine transform section (12) and a polyphase network section (14) has the polyphase network section configured with a plurality of single input-double output digital filters (16). The filters have one of their outputs (36) independent of their present ...


47
Kelly H McClure, Gabriel Mouchawar: Efficient generation of sensing signals in an implantable medical device such as a pacemaker or ICD. Pacesetter, August 14, 2001: US06275734 (80 worldwide citation)

An implantable cardiac device such as a pacemaker or an implantable cardioverter defibrillator (ICD) that stores a broad band electrogram signal in response to the detecting of a particular cardiac event. The system includes an external programmer which is capable of accessing the stored electrogram ...


48
Bruce Del Signore, Eric J Swanson, Jeffrey M Klaas, David L Medlock: Variable decimation architecture for a delta-sigma analog-to-digital converter. Crystal Semiconductor Corporation, Ross Howison Clapp & Korn, October 20, 1992: US05157395 (79 worldwide citation)

An analog-to-digital converter includes a delta-sigma modulator (10), having the output thereof filtered by a digital filter section. The digital filter section includes a first fixed decimation filter (12) followed by a variable decimation filter section (14) and an output low-pass filter section ( ...


49
Toshiaki Kobayashi, Hidetaka Ozawa: Vibration/noise control system. Honda Giken Kogyo Kabushiki Kaisha, Lyon & Lyon, June 10, 1997: US05638305 (78 worldwide citation)

A vibration/noise control system controls vibrations and noises generated with a periodicity or a quasi-periodicity from a vibration/noise source having at least a rotating member. A self-expanding engine mount is arranged in at least one of vibration/noise transmission paths and is driven by a driv ...


50
Maurice Georges Bellanger, Georges Bonnerot, Michel Coudreuse: Arrangement for processing auxiliary signals in a frequency multiplex transmission system. Telecommunications Radioelectriques et Telephoniques T R T, Frank R Trifari, Henry I Steckler, July 18, 1978: US04101738 (77 worldwide citation)

A circuit for converting into an FDM format spatially separated signalling signals and pilot signals, comprises a digital filter bank for converting the signals into the FDM format. A receiver for separating the signalling signals and pilot signals from the FDM signal comprises another digital filte ...



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