Patents by Inventor Willi Studer

Willi Studer 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).

  • Patent number: 4571529
    Abstract: An actual speed value converter for a motor comprises a tachometer having a part rotating with the speed to be measured, e.g., a capacitive or inductive rotor, or an optical actuator disk, the tachometer determining the frequency of a frequency generator. The frequency generator is part of an action path for preparing the actual speed value, the action path comprising a frequency generator and a downstream-connected frequency discriminator.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: February 18, 1986
    Assignee: Willi Studer, AG
    Inventors: Willi Studer, Arturo E. Stosberg