Patents by Inventor Hae D. Jeong

Hae D. Jeong 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).

  • Data input/output control unit for touch panel interface device
    Patent number: 5621437
    Abstract: A data input/output control unit for a touch panel interface device, comprising a touch panel for sensing coordinates of a point touched by a user's pen and generating an analog signal in accordance with the sensed result, a data detector for detecting input data to the touch panel, a control circuit for controlling a system operation in response to an output signal from the data detector, a switch for turning on/off supply power to the touch panel in response to a first control signal from the control circuit, an analog/digital converter for converting the analog signal from the touch panel into digital data in response to a second control signal from the control circuit and outputting the converted digital data to the control circuit, and a serial communication circuit for performing a serial communication with other systems in response to a third control signal from the control circuit.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: April 15, 1997
    Assignee: LG Electronics Inc.
    Inventor: Hae D. Jeong