Patents by Inventor Finis Claude Easter

Finis Claude Easter 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).

  • Video digital display device with analog input
    Patent number: 4086579
    Abstract: An analog-to-digital converter includes a common input amplifying device such as a transistor in differential amplifier relationship with each of a plurality of output amplifying devices, one for each voltage range converted to digital form.Separately controllable circuits are provided for: (A) setting a video display screen signal to the threshold of visibility, and (B) increasing the brightness of the screen to various levels above the threshold in accordance with digital signals from the analog-to-digital converter as modified by a brightness control.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: April 25, 1978
    Assignee: RCA Corporation
    Inventor: Finis Claude Easter