Patents by Inventor Charles J. Rocca

Charles J. Rocca 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).

  • Serial optical interconnect bus for logic cards and the like
    Patent number: 4850044
    Abstract: An optical serial data bus for connecting logic cards used in a data processing system. The bus uses semiconductor lasers and PIN diodes as transmitters and receivers, transmitting through free space without the use of lenses or other optical elements. Each logic card communicates only with the adjacent cards on either side to minimize the transmission distance.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: July 18, 1989
    Assignee: International Business Machines Corporation
    Inventors: Timothy R. Block, Ronald L. Soderstrom, Gerald M. Heiling, Charles J. Rocca