1
Elias Nemer
Elias J Nemer, Vladimir Kravtsov: Digitally pre-equalizing signals. Intel Corporation, Trop Pruner & Hu P C, February 19, 2008: US07333558


In one embodiment, the present invention includes an transmitter apparatus having a digital filter to compensate in a baseband frequency for magnitude and delay slopes occurring in the transmitter's analog path.


2
George Rosar: Receiver employing digital filtering for use with an implantable medical device. Medtronic, Thomas F Woods, Harold R Patton, Girma Wolde Michael, April 24, 2001: US06223083 (308 worldwide citation)


A receiving and filtering circuit includes an antenna, a demodulator circuit coupled to the antenna, and a digital median filter that removes high frequency content of a demodulated digital information signal to produce a filtered digital information signal corresponding to an analog data signal tra ...


3
Steven A Gabriel, Kent E Griffin: Method and system for texture mapping images with anisotropic filtering. Microsoft Corporation, Klarquist Sparkman Campbell Leigh & Whinston, December 21, 1999: US06005582 (212 worldwide citation)


A method for texture mapping an image includes passing an interpolating filter along a line of anisotropy in a texture map and computing a weighted sum of the outputs of the interpolating filter to compute pixel intensity values. The weighting of these output values can be computed using a one dimen ...


4
Gary N Mills, Habib Homayoun: High functional density cardiac monitoring system for captured windowed ECG data. Instromedix, Kolisch Hartwell Dickinson McCormack & Heuser, March 25, 1997: US05613495 (192 worldwide citation)


A compact, lightweight wrist-worn cardiac data and event monitor having dry skin electrodes integral with the monitor's housing. Preferably, the skin electrodes are made of titanium nitride-plated stainless steel and form inner, wrist-contacting, and outer, other hand's palm-contactable regions of t ...


5
John A Hauck, Arthur L Olive: Rate adaptive cardiac rhythm management device control algorithm using trans-thoracic ventilation. Cardiac Pacemakers, Haugen and Nikolai, June 7, 1994: US05318597 (179 worldwide citation)


A rate adaptive cardiac rhythm management device in which the pacing rate is adjusted in accordance with changes in the patient's minute ventilation. An adaptive four-pole elliptic digital filter, preferably implemented in software, functions to attenuate any signal components due to cardiac activit ...


6
Armando Cova: Predistortion in a linear transmitter using orthogonal kernels. Glenayre Electronics, Christensen O Connor Johnson Kindness PLLC, October 31, 2000: US06141390 (170 worldwide citation)


A system for linearly transmitting an amplified output signal using predistortion is disclosed. The system uses a straight inverse modeling scheme with orthogonal predictor variables to more easily and accurately determine the inverse of the distortion caused by a power amplifier of a RF transmitter ...


7
Robert Stephen Potratz, Michael W Nootbaar: Pulse oximeter with sigma-delta converter. Nellcor Puritan Bennett, Hovey Williams Timmons & Collins, July 13, 1999: US05921921 (162 worldwide citation)


A preferred oximeter detects the transillumination by red and infrared light of a portion of an in vivo subject and produces analog signals representative thereof on two channels. Sigma-delta modulators sample the analog signals on each channel. A digital filter processor digitally filters the sampl ...


8
Paul C Hershey, John G Waclawsky: System and method for a workstation monitoring and control of multiple networks having different protocols. International Business Machines Corporation, John D Flynn, John E Hoel, October 22, 1996: US05568471 (153 worldwide citation)


A workstation manages and controls a plurality of communication networks using different protocols coupled to a common bus. A programmable digital filter connected between the workstation and the networks examines frame information using real time calculation for identifying protocols in the frames. ...


9
Wilfred Andre Maria Snijders, Nicolaas Alphonsus Maria Verhoeckx, Petrus Josephus VAN Gerwen, Hendrik Arie VAN Essen: Modulation and filtering device. U S Philips Corporation, Frank R Trifari, Simon L Cohen, January 11, 1977: US04003002 (145 worldwide citation)


A digital data transmitter is described, whose line carrier frequency need not be an integral multiple of one half the clock frequency of the digital input signal. Use is made of a digital filter for increasing the sampling frequency to a value which is twice the modulator carrier wave frequency.


10
Lauren S Pflugrath, Jacques Souquet: Hand held ultrasonic diagnostic instrument. Advanced Technology Laboratories, W Brinton Yorks Jr, March 3, 1998: US05722412 (144 worldwide citation)


A hand held ultrasonic instrument is provided in a portable unit which performs both B mode and Doppler imaging. In a preferred embodiment an array transducer, digital beamformer, digital filter, and image processor are packaged in one or more enclosures weighing ten pounds (4.5 kilograms) or less.



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