Patents by Inventor James Sinclair Popper

James Sinclair Popper 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).

  • Fire detector
    Patent number: 8890696
    Abstract: A fire detector includes a sensor (4) for, in use, detecting electromagnetic radiation emitted by a flame and generating an electronic signal corresponding to the detected electromagnetic radiation. The detector further includes a processing device (2) configured to select a portion of the electronic signal corresponding to a first time period and compare the selected signal portion with at least one parameter to determine an initial presence or absence of a flame, the processing device being further configured, upon determining the initial presence of the flame, to select a further portion of the electronic signal corresponding to a further time period and comparing the further selected signal portion with at least one parameter to determine a definite presence or absence of the flame.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 18, 2014
    Inventor: James Sinclair Popper
  • FIRE DETECTOR
    Publication number: 20130207807
    Abstract: A fire detector includes a sensor (4) for, in use, detecting electromagnetic radiation emitted by a flame and generating an electronic signal corresponding to the detected electromagnetic radiation. The detector further includes a processing device (2) configured to select a portion of the electronic signal corresponding to a first time period and compare the selected signal portion with at least one parameter to determine an initial presence or absence of a flame, the processing device being further configured, upon determining the initial presence of the flame, to select a further portion of the electronic signal corresponding to a further time period and comparing the further selected signal portion with at least one parameter to determine a definite presence or absence of the flame.
    Type: Application
    Filed: May 10, 2011
    Publication date: August 15, 2013
    Inventor: James Sinclair Popper