Patents by Inventor Mark E. Modesitt

Mark E. Modesitt 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).

  • Deflection circuit for non-standard signal source
    Patent number: 4868659
    Abstract: A deflection circuit for a video apparatus operates in a countdown mode in which synchronization of the vertical deflection circuitry is accomplished in precise relationship to the horizontal deflection frequency. In order to permit countdown operation for nonstandard signal sources, such as video games, the countdown mode acceptance window is determined in a manner to encompass the coincidence of vertical sync pulses from signal sources having horizontal line per field ratios that may differ from the NTSC standard.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: September 19, 1989
    Assignee: RCA Licensing Corporation
    Inventor: Mark E. Modesitt