Patents by Inventor Aurel Schlick

Aurel Schlick 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).

  • Curve follower
    Patent number: 3995154
    Abstract: A curve tracer comprising: an optical tracer head for scanning a line having at least a substantial transverse component and at least one marking on the line, with a predetermined scanning speed. The head is moved along the line at a speed substantially lower than the scanning speed. There is a control unit for controlling the movement including an integrator, means for feeding the integrator with a voltage proportional to the speed of the tracer head, and means for supplying a signal proportional to the distance travelled by the tracer head when the head moves over the marking.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: November 30, 1976
    Assignee: Erwin Sick Optik-Elektronik
    Inventors: Aurel Schlick, Heinz Schreyer