Patents by Inventor Jonathan D. Pearson

Jonathan D. Pearson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8184723
    Abstract: A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an equalizer circuit to amplify selected frequencies of the received signal, and to determine the various times of arrival of two or more video signals and selectively adjust one or more delay lines to reduce the differences in their arrival times.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: May 22, 2012
    Assignee: Analog Devices, Inc.
    Inventors: Gregory Lawrence DiSanto, Jonathan D. Pearson, Robert Briano
  • Publication number: 20090219980
    Abstract: A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an equalizer circuit to amplify selected frequencies of the received signal, and to determine the various times of arrival of two or more video signals and selectively adjust one or more delay lines to reduce the differences in their arrival times.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Applicant: Analog Devices, Inc.
    Inventors: Gregory Lawrence DiSanto, Jonathan D. Pearson, Robert Briano
  • Patent number: 6084519
    Abstract: An apparatus and method for controlling the operation of the windshield wipers of a vehicle in response to the deposition of water on the exterior of the windshield; the operation of the air conditioning system in response to the formation of water condensation on the interior of the windshield of the vehicle; and the operation of the ventilation system in response to the presence of smoke in the cabin of the vehicle.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: July 4, 2000
    Assignee: Control Devices, Inc.
    Inventors: Keith J. Coulling, Jonathan D. Pearson, Dennis J. Hegyi
  • Patent number: 5276712
    Abstract: A technique for recovering a clock from a digitally encoded communication signal uses a low-Q resonator and limiter for generating a coarse clock signal comprising a series of rectangular pulses at a frequency substantially equal to the clock (though subject to phase jitter), and a filter circuit, such as a phase-locked-loop ("PLL"), preferably employing a Sequential Phase/Frequency Detector, to reduce the jitter superimposed on the coarse clock signal, so as to yield a well-behaved clock signal. By using a Sequential Phase/Frequency Detector, acquisition-aid circuitry generally is not required for the PLL.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: January 4, 1994
    Assignee: Digital Equipment Corporation
    Inventor: Jonathan D. Pearson