Patents by Inventor Charles H. M. Schamblin

Charles H. M. Schamblin 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).

  • Motion detection device including a pendulum switch
    Patent number: 3962693
    Abstract: A motion detection device is characterized by an array of mutually spaced electrical contacts connected to one terminal of a pair of terminals having a voltage differential established therebetween, an electrically conductive first mass suspended between the pairs of contacts and connected to the other terminal of said pair, and a mass suspended from said first mass for damping pendulous motion of said first mass.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: June 8, 1976
    Inventor: Charles H. M. Schamblin