Patents by Inventor Howard Christopher Rivenberg

Howard Christopher Rivenberg 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: 5675319
    Abstract: A tamper detection device can determine whether a housing containing a device has been tampered with either by having the housing penetrated or by an attempt to remove a cover from the housing. The tamper detection device may be a capacitor which is placed across a portion of the housing and whose capacitance changes if it is penetrated. The temper detection device may also be a flexible circuit having conductive strips thereon forming a circuit with means to cause an open circuit if the housing is penetrated or the cover removed from the housing.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: October 7, 1997
    Assignee: David Sarnoff Research Center, Inc.
    Inventors: Howard Christopher Rivenberg, Aaron William Levine, Nitin Vithalbhai Desai