Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1996-07-03
1999-07-27
Le, Que T.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2505594, 358486, H01J 314
Patent
active
059294353
ABSTRACT:
An optical scanning apparatus for retrieving digital electronic images representative of opaque objects. The apparatus is equipped with a reflective scanning platform for supporting an opaque object thereon. A scanning camera, equipped with a light source for illuminating the platform, is aligned to retrieve images from objects placed upon the reflective scanning platform. An object sensor included with the scanning camera detects the presence of such images. Using the sensor during scanning, provides automotive detection of the end of the object thereby reducing the scan time.
REFERENCES:
patent: 4686577 (1987-08-01), Arimoto
patent: 5105092 (1992-04-01), Natsubori et al.
patent: 5202556 (1993-04-01), Kawabata et al.
patent: 5568281 (1996-10-01), Kochis et al.
Le Que T.
Microtek International Inc.
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