Coordinate input apparatus and control method thereof, and...

Details Coordinate input apparatus and control method thereof, and... Coordinate input apparatus and control method thereof, and...

2005-11-22

2005-11-22

Awad, Amr A. (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S157000, C348S211990

Reexamination Certificate

active

06967644

ABSTRACT:
A coordinate input apparatus comprising: a designation device having a light emission device for designating a three-dimensional position; and a photoreception unit having a plurality of line sensors for receiving light emitted by the light emission device and determining the three-dimensional position of the light emission device. Based on the determined value obtained by the photoreception unit, three-dimensional coordinates of the position of the designation device are calculated by a microcomputer.

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