Patents by Inventor Je Moon Park

Je Moon Park 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).

  • Patent number: 5072299
    Abstract: A VCR sharpness up/down circuit controlled by a remote controller for allowing a remote control of VCR sharpness properly by pressing a sharpness-up key or a sharpness-down key on the remote controller with the construction of a sharpness driving unit and a screen control unit and control method thereof by receiving sharpness up/down key signals from the remote controller, counting the number of input up/down key signals, selecting and outputting PWM signals from a PWM data storage unit according to the counted number, converting the output PWM signals through switching operations to a sharpness driving control voltage which is a certain DC voltage, and applying a driving control voltage to an integrator which emphasizes a video signal.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: December 10, 1991
    Assignee: Goldstar Co., Ltd.
    Inventor: Je Moon Park