41
Steven D Wagner: Television digital signal processing apparatus employing time-base correction. Yves C Faroudia, Thomas A Gallagher, February 4, 1997: US05600379 (86 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
Scott A Moskowitz: Optimization methods for the insertion, protection, and detection of digital watermarks in digital data. Wistaria Trading, September 12, 2006: US07107451 (85 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 ...


43
Masao Noro, Yusuke Yamamoto, Toshio Maejima: CMOS differential amplifier for a delta sigma modulator applicable for an analog-to-digital converter. Yamaha Corporation, Graham & James, January 25, 2000: US06018262 (85 worldwide citation)

An analog-digital converter includes a .DELTA..SIGMA. modulator, a digital filter, a high-pass filter and a multiplier which are connected in series. Analog input is converted into serial-bit strings by the .DELTA..SIGMA. modulator, for which gain `1/A` is set. The digital filter extracts low-freque ...


44
Kevin T Chan: Integrated Gigabit Ethernet transmitter architecture. Broadcom Corporation, Christie Parker & Hale, July 10, 2001: US06259745 (85 worldwide citation)

A power efficient and reduced electromagnetic interference (EMI) emissions transmitter for unshielded twisted pair (UTP) data communication applications. Transmit data is processed by a digital filter. The digital filter output data is converted to a current-mode analog waveform by a digital-to-anal ...


45
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 (84 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 ...


46
Angi Ye, C Jim Li: Dataform reader utilizing hand jittering compensation method. Telxon Corporation, Watts Hoffmann Fisher & Heinke Co, December 28, 1999: US06006990 (83 worldwide citation)

A imaging based dataform reader utilizes a method of compensating for image offset between consecutive image fields comprising an interlaced image frame. The method includes determination of a disparity vector corresponding to the direction and magnitude of the offset between portions of successive ...


47
Gary N Mills, Habib Homayoun: Wrist-worn ECG monitor. Instromedix, Kolisch Hartwell Dickinson McCormack & Heuser, March 1, 1994: US05289824 (83 worldwide citation)

A compact, lightweight wrist-worn cardiac data and event monitor having dry skin electrodes integral with the monitor's housing is disclosed. Preferably, the skin electrodes are made of titanium nitride-plated stainless steel and form inner, wrist-contacting, and outer, other hand's palm-contactable ...


48
Toshiaki Kobayashi, Hidetaka Ozawa: Vibration/noise control system. Honda Giken Kogyo Kabushiki Kaisha, Lyon & Lyon, June 10, 1997: US05638305 (83 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 ...


49
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 ...


50
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 ...



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