Patents Represented by Attorney, Agent or Law Firm Richard C. Liu
  • Patent number: 5220318
    Abstract: Apparatus for adjusting the key activating force or "touch" for a keyboard or for one or more function key groups on that keyboard to the needs of any individual operator.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: June 15, 1993
    Assignee: Ampex Corporation
    Inventor: Darrell S. Staley