Patents by Inventor Helmut Bill

Helmut Bill 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).

  • Circuit arrangement for reducing the settling time of logarithmic amplifiers
    Patent number: 4737668
    Abstract: A circuit arrangement for reducing the settling time of amplifiers to which photoelectronic components are connected. A control circuit is provided which, operating in conjunction with components of this circuit arrangement, prevents the parasitic capacitance of the photoelectronic component from being charged up when the circuit arrangement is connected to the operating voltage.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: April 12, 1988
    Assignee: Ernst Leitz Wetzlar GmbH
    Inventors: Walter Bletz, Rolf Magel, Helmut Bill