Stereoscopic electro-optical system for automated inspection and

Details Stereoscopic electro-optical system for automated inspection and Stereoscopic electro-optical system for automated inspection and

1996-04-12

1997-06-10

Boudreau, Leo

Image analysis

Applications

Manufacturing or product inspection

382154, 382293, 348190, G06K 900

Patent

active

056384610

ABSTRACT:
Disclosed is a stereoscopic optical inspection system. A computer uses the stereoscopic information to compute and correct for angular and distance misalignments between the unit-under-test and the inspection system. A feature of the optical system is the use of multiple high-resolution inspection cameras, in conjunction with a single stereoscopic reference camera. One example of a preferred embodiment is presented as an electro-optical inspection system for inspection and/or alignment of cathode-ray-tube displays and other video displays on a production assembly line.

REFERENCES:
patent: 4654872 (1987-03-01), Hisano et al.
patent: 4797942 (1989-01-01), Burt
patent: 4969106 (1990-11-01), Vogel et al.
patent: 5442391 (1995-08-01), Hung et al.
Advertisement of EeRise Corporation for ER9300 Monitor Auto Alignment System, Taipei Hsien, Taiwan, 6 pages, undated but reference made to late 1994 on p. 2, line 16.

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