Patents by Inventor Wilhelmus P. M. Den Dekker

Wilhelmus P. M. Den Dekker 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 having a wear indicator to indicate end of service life
    Patent number: 5598101
    Abstract: A circuit arrangement includes a wear detector which is proportioned or which operates so that it wears (i.e., fails) faster than the other parts of the circuit arrangement. The wear detector may be made to wear faster than other parts of the circuit by being more heavily loaded during operation, by being configured to be more heavily stressed during operation, or by being subjected to more severe operating conditions. An indicator is connected to the wear detector so that, when the wear detector ceases to function, the indicator signals that the circuit arrangement is near the end of its useful life and is to be replaced.
    Type: Grant
    Filed: April 12, 1995
    Date of Patent: January 28, 1997
    Assignee: U.S. Philips Corporation
    Inventor: Wilhelmus P. M. Den Dekker