Patents by Inventor Raymond T. Harp

Raymond T. Harp 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).

  • Sequential control system
    Patent number: 4195339
    Abstract: A digital circuit is disclosed which may be used to sequence a series of events and which can alter the sequence of events as a function of the inputs to the circuit. A read-only memory is accessed by an address register which can increment the address of the instruction which it is desired to access from memory either incrementally, as by counting, or in a branching mode by altering the address by an amount corresponding to a portion of one or more of the instructions taken from the memory. Branching may be conditional or unconditional.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: March 25, 1980
    Assignee: NCR Corporation
    Inventors: Walter A. Smith, Raymond T. Harp