Patents by Inventor Klaus D. Haas

Klaus D. Haas 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).

  • Electrooptical presence recognition-sensor
    Patent number: 4782224
    Abstract: In a light sensor with a housing (19) the light transmitter (17, 20) and the light receiver (12, 15) are arranged alongside one another. The received light beam (11) is deflected behind the front receiving lens (12) onto a photoelectric converter arrangement (15) via a deflecting mirror (14) which is pivotable about a transverse axis (13) and it is possible to change the sensing distance by pivoting the deflecting mirror (14).
    Type: Grant
    Filed: March 20, 1986
    Date of Patent: November 1, 1988
    Assignee: Erwin Sick GmbH Optik-Elektronik
    Inventors: Klaus D. Haas, Thomas Meinert