Patents by Inventor Roger Broughton

Roger Broughton 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).

  • Conjugate eye movement detector for sleep analysis
    Patent number: 4585011
    Abstract: The eye movement detector detects events occurring during the electro-oculogram (EOG) signal in which components of the signal having a predetermined rise time, are coincident with components of the same signal having a predetermined amplitude.
    Type: Grant
    Filed: October 10, 1984
    Date of Patent: April 29, 1986
    Assignee: Canadian Patents & Development Limited
    Inventors: Roger Broughton, Bernardo da Costa
  • Movement artifact detector for sleep analysis
    Patent number: 4550736
    Abstract: The movement detector monitors the electroencephalogram (EEG) signal in order to detect components having a real-time frequency greater than 30 Hz and an amplitude greater than 18 .mu.V; a real-time frequency greater than 30 Hz and an amplitude between .+-.9 .mu.V; or a real-time frequency less than 1.2 Hz and an amplitude greater than 200 .mu.V. An output signal is provided when at least one of these components is detected.
    Type: Grant
    Filed: October 10, 1984
    Date of Patent: November 5, 1985
    Assignee: Canadian Patents & Development Limited
    Inventors: Roger Broughton, Bernardo da Costa