Patents by Inventor Erik A. Lissakers

Erik A. Lissakers 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).

  • Cellular mobile radio service telephone system
    Patent number: 4726014
    Abstract: An improved cellular mobile radio telephone system is described wherein the switching matrices used to provide communication paths between subscribers is also used to provide paths for carrying control information between a network control and the various transceivers, receivers and transmitters at cell sites. Additionally, statistical multiplexers are provided at the cell sites for multiplexing control signals for many transceivers, receivers and transmitters onto the transmission facilities connecting the cell site with the network control system. At the network control system, apparatus is provided to reformat and packetize control signals from many statistical multiplexers and present the reformatted, packetized information to a network control processor.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: February 16, 1988
    Assignee: U.S. Holding Company, Inc.
    Inventors: Stuart O. Goldman, Erik A. Lissakers, Matthew W. S. Thomson
  • Cellular mobile radio service telephone system
    Patent number: 4562572
    Abstract: An improved cellular mobile radio telephone system is described wherein the switching matrices used to provide communication paths between subscribers is also used to provide paths for carrying control information between a network control and the various transceivers, receivers and transmitters at cell sites. Additionally, statistical multiplexers are provided at the cell sites for multiplexing control signals for many transceivers, receivers and transmitters onto the transmission facilities connecting the cell site with the network control system. At the network control system, apparatus is provided to reformat and packetize control signals from many statistical multiplexers and present the reformatted, packetized information to a network control processor.
    Type: Grant
    Filed: January 11, 1983
    Date of Patent: December 31, 1985
    Assignee: International Telephone and Telegraph Corporation
    Inventors: Stuart O. Goldman, Erik A. Lissakers, Matthew W. S. Thomson