Patents by Inventor Bruce R. Rogan

Bruce R. Rogan 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).

  • Latching relay using Hall effect device
    Patent number: 4295118
    Abstract: A Hall effect switch device converted to a latching relay by having a reversible bias magnet attached thereto adjacent the Hall sensor so as to operate the switch circuit in one polarity of the bias magnet, and release the switch circuit in the other polarity of the bias magnet.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: October 13, 1981
    Assignee: The Singer Company
    Inventors: John A. Herr, Bruce R. Rogan
  • Hall effect potentiometer
    Patent number: 4293837
    Abstract: A Hall effect sensor is disposed between two magnets having their fields in quadrature and in association with a movable specially formed ferromagnetic part which is used to control flux in the sensor in such a way as to cause the sensor to produce a linearly varying output voltage dependent upon the position of the part.
    Type: Grant
    Filed: July 23, 1980
    Date of Patent: October 6, 1981
    Assignee: The Singer Company
    Inventors: Wolfgang Jaffe, Bruce R. Rogan