Terminal device with built-in image sensor

Details Terminal device with built-in image sensor Terminal device with built-in image sensor

1996-08-21

2000-07-11

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345104, 358473, 358474, 382321, G09G 500

Patent

active

060880252

ABSTRACT:
The terminal device with built-in image sensor allows to use a conventional writing tool as the handwritten input means, and facilitates reading of printed document, and incorporates a scanning image sensor composed of a lens member having the optical path disposed parallel to a transparent panel, a prism member for bending the optical path at right angle to match one focal position of the lens member with the surface of the transparent panel, a light source for illuminating the surface of the transparent panel, and a light sensor disposed at other focal position of the lens member, and reads a document placed on the transparent panel, and conventional writing device is provided in the lid unit, and by closing the lid unit after writing character or picture by the writing device, the character or picture is read by the image sensor.

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patent: 5724108 (1998-03-01), Shibata

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