Patents by Inventor Jean-Francois Sanglier

Jean-Francois Sanglier 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).

  • Method and apparatus for code matching the base and mobile unit of a cordless telephone set
    Patent number: 4794636
    Abstract: A method and apparatus for code matching the base and mobile unit of a cordless telephone set. A new matching code is established by a microprocessor in the base unit each time the mobile unit is replaced thereon, and is stored in respective memories therein. Replacement of the mobile unit on the base unit is detected from the charging current which is then drawn by a rechargeable battery in the mobile unit from a power source connected to the base unit.
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: December 27, 1988
    Assignee: U.S. Philips Corp.
    Inventors: Jean-Francois Sanglier, Stephane Negre
  • Connecting and communication system and means for a telephone station with peripheral apparatus
    Patent number: 4685121
    Abstract: Connection of a plurality of peripheral apparatus (APT) and a telephone station (PT) is achieved by a bus (BUS) which transmits analog signals and digital signals which are common to all of the apparatuses. Thus, each apparatus is supplied at each instant with information indicating the actual use of the telephone line to which the telephone station is connected.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: August 4, 1987
    Assignee: U.S. Philips Corporation
    Inventor: Jean-Francois Sanglier