Patents by Inventor Alan J. Shannon

Alan J. Shannon 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).

  • Self-test feature for appliances or electronic systems operated by microprocessor
    Patent number: 4158431
    Abstract: A microwave oven is disclosed as a typical appliance controlled by a microprocessor device. The oven has an LED digital display, a number of indicator LED's, and a capacitive touch keyboard, along with circuits for controlling a magnetron, a broiler unit, and a blower. A "self-test" feature causes the system to sequence through test routines whereby all LED's are lighted in a set order, each digit of the display counts up from 0 through 9, keyboard inputs entered are displayed as a code, and the magnetron and broiler are turned on.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: June 19, 1979
    Assignee: Texas Instruments Incorporated
    Inventors: Michael G. VAN Bavel, Alan J. Shannon
  • Self-test feature for appliance or electronic systems operated by microprocessor
    Patent number: RE31864
    Abstract: A microwave oven is disclosed as a typical appliance controlled by a microprocessor device. The oven has an LED digital display, a number of indicator LED's, and a capacitive touch keyboard, along with circuits for controlling a magnetron, a broiler unit, and a blower. A "self-test" feature causes the system to sequence through test routines whereby all LED's are lighted in a set order, each digit of the display counts up from 0 through 9, keyboard inputs entered are displayed as a code, and the magnetron and broiler are turned on.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: April 9, 1985
    Assignee: Texas Instruments Incorporated
    Inventors: Michael G. van Bavel, Alan J. Shannon