Patents Assigned to Christopher A. Griffiths
  • 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