Patents by Inventor Charles P. Cobeen

Charles P. Cobeen 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).

  • GCR Data write control apparatus
    Patent number: 4201980
    Abstract: This relates to an apparatus for converting raw data into GCR data and for controlling the recording of GCR data on magnetic tape. An ordered series of instructions is stored in a first programmable read only memory (PROM). A second PROM contains a special character table and a code conversion table, and receives raw data. A third PROM stores addresses which are used to access the second PROM and are indicative of whether raw data is to be converted or a special character is to be generated.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 6, 1980
    Assignee: Honeywell Information Systems Inc.
    Inventors: Stanley I. Friedman, Charles P. Cobeen, Herbert K. Jacobsthal