41
Scott A Moskowitz: Optimization methods for the insertion, protection, and detection of digital watermarks in digital data. Wistaria Trading, September 12, 2006: US07107451 (88 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 ...


42
Steven D Wagner: Television digital signal processing apparatus employing time-base correction. Yves C Faroudia, Thomas A Gallagher, February 4, 1997: US05600379 (88 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 ...


43
Gary N Mills, Habib Homayoun: Wrist-worn ECG monitor. Instromedix, Kolisch Hartwell Dickinson McCormack & Heuser, March 1, 1994: US05289824 (88 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 ...


44
Hirotake Wakai, Makoto Ohnishi, Fumihito Tomaru: Digital modulator having a digital filter including low-speed circuit components. Hitachi Denshi Kabushiki Kaisha, Antonelli Terry Stout & Kraus, July 20, 1999: US05926065 (88 worldwide citation)

A digital demodulator which demodulates an analog signal obtained through a quadrature amplitude modulation to produce a digital demodulated signal includes a converter to convert the analog signal into a digital signal and a signal processor to quadrature-demodulating the digital signal from the co ...


45
Angi Ye, C Jim Li: Dataform reader utilizing hand jittering compensation method. Telxon Corporation, Watts Hoffmann Fisher & Heinke Co, December 28, 1999: US06006990 (86 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 ...


46
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 (86 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 ...


47
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 ...


48
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 ...


49
Toshiaki Kobayashi, Hidetaka Ozawa: Vibration/noise control system. Honda Giken Kogyo Kabushiki Kaisha, Lyon & Lyon, June 10, 1997: US05638305 (85 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
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 (82 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 ( ...