Patents by Inventor Rolf Heuser

Rolf Heuser 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).

  • Multi-stage integrated injection logic circuit with current mirror
    Patent number: 4109162
    Abstract: An I.sup.2 L circuit comprising plural stages connected in series across a supply voltage. In order to reduce the turn-off time of a switching transistor in a lower stage actuated by a signal from a higher stage, a current mirror is coupled to the base of the switching transistor.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: August 22, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Rolf Heuser, George Albert Govaert