Patents by Inventor Richard R Knight

Richard R Knight 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).

  • Communications system
    Patent number: 6377589
    Abstract: A communications system includes a telecommunications link (3) between a remote terminal (CPa-c) (such as a burglar alarm control panel) and a control station (1). Polling requests are transmitted on a digital messaging channel which is carried by the telecommunications link. The remote terminal (CPa-c) generates a poll response message which is partially encrypted and is returned on the digital messaging channel to the control station where it is decoded.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: April 23, 2002
    Assignee: British Telecommunications public limited company
    Inventors: Richard R Knight, David W Parkinson, Robert E Tuck