Patents by Inventor Ross Crawford MORGAN

Ross Crawford MORGAN 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: 11064293
    Abstract: There is provided an apparatus for providing an output signal to an audio transducer, comprising: a first signal path for receiving a first digital audio input signal, applying a first digital gain, and outputting an amplified first digital audio input signal; a second signal path, for receiving a second digital audio input signal, applying a second digital gain, and outputting an amplified second digital audio input signal; converter circuitry, coupled to the first and second signal paths, for converting at least the amplified first and second digital audio input signals into the analogue domain, and outputting an analogue audio input signal; and an analogue gain element, for applying an analogue gain to the analogue audio input signal and outputting the output signal.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: July 13, 2021
    Assignee: Cirrus Logic, Inc.
    Inventors: Ross Crawford Morgan, Robert David Rand, Richard Colin Fitzgerald
  • Publication number: 20200068299
    Abstract: There is provided an apparatus for providing an output signal to an audio transducer, comprising: a first signal path for receiving a first digital audio input signal, applying a first digital gain, and outputting an amplified first digital audio input signal; a second signal path, for receiving a second digital audio input signal, applying a second digital gain, and outputting an amplified second digital audio input signal; converter circuitry, coupled to the first and second signal paths, for converting at least the amplified first and second digital audio input signals into the analogue domain, and outputting an analogue audio input signal; and an analogue gain element, for applying an analogue gain to the analogue audio input signal and outputting the output signal.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Applicant: Cirrus Logic International Semiconductor Ltd.
    Inventors: Ross Crawford MORGAN, Robert David RAND, Richard Colin FITZGERALD
  • Patent number: 10499147
    Abstract: There is provided an apparatus for providing an output signal to an audio transducer, comprising: a first signal path for receiving a first digital audio input signal, applying a first digital gain, and outputting an amplified first digital audio input signal; a second signal path, for receiving a second digital audio input signal, applying a second digital gain, and outputting an amplified second digital audio input signal; converter circuitry, coupled to the first and second signal paths, for converting at least the amplified first and second digital audio input signals into the analogue domain, and outputting an analogue audio input signal; and an analogue gain element, for applying an analogue gain to the analogue audio input signal and outputting the output signal.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: December 3, 2019
    Assignee: Cirrus Logic, Inc.
    Inventors: Ross Crawford Morgan, Robert David Rand, Richard Colin Fitzgerald
  • Publication number: 20180352328
    Abstract: There is provided an apparatus for providing an output signal to an audio transducer, comprising: a first signal path for receiving a first digital audio input signal, applying a first digital gain, and outputting an amplified first digital audio input signal; a second signal path, for receiving a second digital audio input signal, applying a second digital gain, and outputting an amplified second digital audio input signal; converter circuitry, coupled to the first and second signal paths, for converting at least the amplified first and second digital audio input signals into the analogue domain, and outputting an analogue audio input signal; and an analogue gain element, for applying an analogue gain to the analogue audio input signal and outputting the output signal.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 6, 2018
    Applicant: Cirrus Logic International Semiconductor Ltd.
    Inventors: Ross Crawford MORGAN, Robert David RAND, Richard Colin FITZGERALD