Patents by Inventor Christopher Corson Keeser

Christopher Corson Keeser 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: 9852702
    Abstract: A method may include generating display driver signals that vary between only two levels and applying the display driver signals to opposing electrodes of a display segment within a display device. An intrinsic capacitance of the display device filters the display driver signals to generate different analog signal levels at the display segment of the display device. The method varies the pulse density of the display driver signals to select or de-select the display segment based on an average voltage magnitude across the display segment over a time period. The display segment is activated when the average voltage magnitude exceeds a threshold value.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: December 26, 2017
    Assignee: Cypress Semiconductor Corporation
    Inventors: David Van Ess, Christopher Corson Keeser, Robert LeRoy Murphy, David G. Wright
  • Patent number: 9513319
    Abstract: Disclosed herein are systems, methods, and devices for power and energy metering. Devices may include first processing logic coupled to an isolator and configured to receive a first bit stream from a first modulator via the isolator. The first bit stream may be generated by the first modulator based on a first analog signal. The first processing logic may be further configured to receive a second bit stream from a second modulator via the isolator. The second bit stream may be generated by the second modulator based on a second analog signal. The processing logic may be further configured to generate a third bit stream based on a combination of the first bit stream with the second bit stream. The devices may also include second processing logic configured to generate an output signal based on one or more values of the third bit stream. The output signal may characterize a measurement of electrical power associated with an electrical circuit.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: December 6, 2016
    Assignee: Cypress Semiconductor Corporation
    Inventors: Ross Martin Fosler, Christopher Corson Keeser
  • Publication number: 20160334445
    Abstract: Disclosed herein are systems, methods, and devices for power and energy metering. Devices may include first processing logic coupled to an isolator and configured to receive a first bit stream from a first modulator via the isolator. The first bit stream may be generated by the first modulator based on a first analog signal. The first processing logic may be further configured to receive a second bit stream from a second modulator via the isolator. The second bit stream may be generated by the second modulator based on a second analog signal. The processing logic may be further configured to generate a third bit stream based on a combination of the first bit stream with the second bit stream. The devices may also include second processing logic configured to generate an output signal based on one or more values of the third bit stream. The output signal may characterize a measurement of electrical power associated with an electrical circuit.
    Type: Application
    Filed: September 25, 2015
    Publication date: November 17, 2016
    Applicant: Cypress Semiconductor Corporation
    Inventors: Ross Martin Fosler, Christopher Corson Keeser
  • Publication number: 20140267216
    Abstract: A method may include generating display driver signals that vary between only two levels and applying the display driver signals to opposing electrodes of a display segment within a display device. An intrinsic capacitance of the display device filters the display driver signals to generate different analog signal levels at the display segment of the display device. The method varies the pulse density of the display driver signals to select or de-select the display segment based on an average voltage magnitude across the display segment over a time period. The display segment is activated when the average voltage magnitude exceeds a threshold value.
    Type: Application
    Filed: April 22, 2014
    Publication date: September 18, 2014
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: David Van Ess, Christopher Corson Keeser, Robert LeRoy Murphy, David G. Wright