Patents by Inventor Claude Dalphin

Claude Dalphin 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).

  • Protected room with an electrical interruptor and its application
    Patent number: 4785743
    Abstract: A protected closed space (L) comprises at least one wall element (E) provided with an electrical interruptor (C1, C2) in turn protected by a thin and flexible probe (S, B) which on the one hand transmits the external mechanical control movement (P) and on the other hand permits the detection of an intrusion at this weak point of the protected closed space. Application: protected closed space with key-board for providing the access code, especially for an electronic payment system.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: November 22, 1988
    Assignee: U.S. Philips Corporation
    Inventor: Claude Dalphin