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Display screen operation device

  • US 7,176,899 B2
  • Filed: 01/30/2003
  • Issued: 02/13/2007
  • Est. Priority Date: 01/31/2002
  • Status: Expired due to Fees
First Claim
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1. A display operation device, comprising:

  • an operation unit which transmits an operation signal including position information according to a position on a display screen of a monitor; and

    a control unit which is connected to the monitor, and displays a plurality of selection sections at a predetermined positions on the display screen, which sets a selection section to a selected state when the position information of the operation signal sent from the operation unit corresponds to any one of the plurality of selection sections in a state where the plurality of selection sections are displayed, and sets maintenance areas respectively corresponding to the plurality of selection section;

    in predetermined ranges on the display screen which ranges each include one of the plurality of selection sections, maintains a state of the display screen in a state thereof before receiving the operation signal, when the position information of the operation signal from the operations unit corresponds to a position within the maintenance area, and, further changes the set ranges of the maintenance area based on the processing of a vibration signal.

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