Patents by Inventor Alan J. Priestley

Alan J. Priestley 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).

  • Keyboard arrangements
    Patent number: 4675653
    Abstract: A keyboard arrangement for computer equipment in which the full set of keys is utilized for computing functions has a restricted set of the full set of keys used for operating a telephony function. The equipment is normally mainspowered, but in the event of mains failure, only the restricted set of keys is scanned by means envisaged from standby battery power, thereby reducing the power required from the battery.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: June 23, 1987
    Inventor: Alan J. Priestley