Patents by Inventor Frances M. Quigg

Frances M. Quigg 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).

  • Display apparatus having data reset arrangement for fast changing of digital display
    Patent number: 5003492
    Abstract: The two-digit number displayed by a display apparatus (1) is adjusted by means of a microcontroller (4) in response to actuation of increment (5) and decrement (6) keys. Each new actuation of the increment key results in incrementation of the displayed number by unity. However, if this actuation is prolonged the first number in each succeeding higher ranking decade are next displayed in direct succession. Similarly, each new actuation of the decrement key results in decrementation of the displayed number of unity. However, if this actuation is prolonged the first number of the current decade and then the first number of each decade of successively lower rank are next displayed in direct succession.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: March 26, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Frances M. Quigg, Mark W. Rayne