Patents by Inventor Marcel A. van Brussel

Marcel A. van Brussel 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).

  • Signal transfer system for time division switching systems
    Patent number: 4195205
    Abstract: A signalling arrangement for use in PCM systems includes a transfer control for determining whether signalling between exchanges should be transmitted over a speech channel or a signalling channel. If signalling is directed to information for setting up a call, a speech channel is used, whereas supervisory information employs a signalling channel. A marking memory is used having a memory cell per speech channel. A bit is stored in each memory cell for transfer of call set-up information.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: March 25, 1980
    Assignee: International Standard Electric Corporation
    Inventors: Michael Andre R. Henrion, Marcel A. van Brussel