Patents by Inventor Emory D. Heberling, deceased

Emory D. Heberling, deceased 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).

  • Magnetic tape signature signal injection device
    Patent number: 3938183
    Abstract: An apparatus for injecting a signature signal on a magnetic tape comprising signature signal generator connected to a switching system. The switching system connects the signature signal to the recorder inputs while disconnecting the normal recorder inputs. A timer is located in the switching system to permit the injection of the signature signal for a specific time period.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: February 10, 1976
    Assignee: The United States of Amercia as represented by the Secretary of the Navy
    Inventors: Donald R. Hust, Emory D. Heberling, deceased