Patents by Inventor Christopher A. Griffiths

Christopher A. Griffiths 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).

  • Combined inforamtion recording and graphic display device
    Patent number: 4937037
    Abstract: An electronic recording and display apparatus for performing the function of a chart recorder comprises a solid state display device controlled from a memory by a display controller. The memory receives signals in the form of 8-bit binary number digitized by a signal digitizer from an analogue input signal. the display device graphically displays a set of the signals stored in the memory and this can be "scrolled" through all the information stored in the memory in a manner similar to a chart recorder.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: June 26, 1990
    Assignee: Christopher A. Griffiths
    Inventors: Christopher A. Griffiths, James Griffiths