Semiconductor optical device for code reader

Details Semiconductor optical device for code reader Semiconductor optical device for code reader

1997-05-05

1998-12-22

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235454, 235467, G06K 710

Patent

active

058522875

ABSTRACT:
To reduce the size, the weight, and the production cost and to improve the reliability of an optical device for a code reader for reading a code (24) imprinted on the package of an article, a light emitting element (21), a prism (22) and a light receiving element (15) are all fixed to a semiconductor substrate (14), so that the assembly at the semiconductor chip level of these elements (15, 21 and 22) is possible. This device can be used for an optical apparatus for reading various codes used in POS systems, physical distribution/management systems, production control systems, and so forth.

REFERENCES:
patent: 4333006 (1982-06-01), Gorin
patent: 4733067 (1988-03-01), Oinoue
patent: 4851696 (1989-07-01), West
patent: 4873429 (1989-10-01), Kume et al.
patent: 5122644 (1992-06-01), Hasegawa
patent: 5187353 (1993-02-01), Metlitsky
patent: 5359184 (1994-10-01), Froehlich

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