Pointing input device

Details Pointing input device Pointing input device

2007-04-03

2007-04-03

Shalwala, Bipin (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S168000, C345S169000, C345S176000, C345S177000

Reexamination Certificate

active

10622268

ABSTRACT:
The present invention provides a pointing input device, which sequentially outputs pointing position data indicating a pointing input position and push detection data from a push by the same pen or finger used for a pointing input. The pointing input device includes a display panel for displaying any pointing input information and an optical touch panel. The optical touch panel detects the pointing input in an input operation area, through which a display area is visible, and outputs the pointing position data. Piezoelectric substrates are attached to a transparent protective plate protecting the top surface of the display panel. When an operator pushes the transparent protective plate disposed at the lower part of the optical touch panel while carrying out the pointing input, the piezoelectric substrates output electric signals by which the push is judged. Then, the push detection data is outputted with the pointing position data.

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