Patents by Inventor Larry M. Tiedt

Larry M. Tiedt 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).

  • Programmable power supply system
    Patent number: 4229665
    Abstract: A programmable power supply system which supplies all of the power requirements of a telephone subscriber's loop circuit in a digital telephone switching system. An associated processing unit generates digital control signals to select a particular power supply which generates power, of a particular magnitude in response to the control signals and applies same to a telephone subscriber's loop circuit.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: October 21, 1980
    Assignee: GTE Automatic Electric Laboratories Incorporated
    Inventor: Larry M. Tiedt
  • Telephone subscriber's loop power control circuit
    Patent number: 4197432
    Abstract: A power control circuit which supplies all of the power requirements of a telephone subscriber's loop circuit in a digital telephone switching system. A central processing unit generates digital power supply selection and control signals which are decoded and stored by the power control circuit. These signals are then supplied to a selected programmable power supply for selected time durations.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: April 8, 1980
    Assignee: GTE Automatic Electric Laboratories Incorporated
    Inventor: Larry M. Tiedt