Patents by Inventor Don Loren Clark

Don Loren Clark 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).

  • R-wave detector
    Patent number: 4000461
    Abstract: An electronic system is disclosed which examines the first derivative of an applied electrocardiographic (ECG) signal, recognizes the R-wave event therefrom, and discriminates against signal components which lie outside predetermined signal parameters in producing a rectangular pulse output. In addition, muscle artifact and pacers are discriminated against. The system includes an automatic gain control to eliminate the need for operator controls.
    Type: Grant
    Filed: October 4, 1973
    Date of Patent: December 28, 1976
    Assignee: Textronix, Inc.
    Inventors: Ronald Charles Barber, Don Loren Clark, Richard James Ballard