Patents by Inventor John Ward LOGAN

John Ward LOGAN 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).

  • Acoustic alarm detector
    Patent number: 9830807
    Abstract: An audible alarm detector constituted of: a microphone generating an electronic signal from an audible signal; a phase locked loop locking onto a frequency component present in the generated electronic signal to output a demodulated signal; and a pattern detector for comparing the demodulated signal against each template of a known set of templates, each template representing a standard pulse stream, wherein upon detection that the demodulated signal matches one of the known templates, the audible alarm detector is arranged to output an alarm detected signal indicating a presence of one of the standard pulse streams.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: November 28, 2017
    Assignee: Microsemi Semiconductor (U.S.) Inc.
    Inventors: Eric Bass, John Ward Logan, Michael Gallagher
  • Acoustic Alarm Detector
    Publication number: 20170011619
    Abstract: An audible alarm detector constituted of: a microphone generating an electronic signal from an audible signal; a phase locked loop locking onto a frequency component present in the generated electronic signal to output a demodulated signal; and a pattern detector for comparing the demodulated signal against each template of a known set of templates, each template representing a standard pulse stream, wherein upon detection that the demodulated signal matches one of the known templates, the audible alarm detector is arranged to output an alarm detected signal indicating a presence of one of the standard pulse streams.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 12, 2017
    Inventors: Eric BASS, John Ward LOGAN, Michael GALLAGHER