Optical scanner with automatic activation

Details Optical scanner with automatic activation Optical scanner with automatic activation

1994-06-20

1996-08-27

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235455, G06K 710

Patent

active

055503667

ABSTRACT:
The optical scanner has an optical scanning head with LED light sources, focusing and receiving optics and a CCD detector array all mounted on a printed circuit board. This assembly, along with a storage buffer and a decoder is contained within a small housing which is attached on its lower side to a semi-glove which the user can wear on the back of his or her hand. The automatic sensing feature of the invention provides hands-free operation by automatically and periodically testing for the presence of a bar code in the scanner's field of view. If the presence of a bar code is detected, the scanner is placed in active mode. When the scanner is not in use, the scanner is powered down to conserve energy.

REFERENCES:
patent: 4874933 (1989-10-01), Sanner
patent: 4877949 (1989-10-01), Danielson
patent: 4933538 (1990-06-01), Heiman
patent: 5192856 (1993-03-01), Schaham
patent: 5250790 (1993-10-01), Metlitsky
patent: 5260553 (1993-11-01), Rockstein
patent: 5270525 (1993-12-01), Ukai
patent: 5272324 (1993-12-01), Blevins
patent: 5329106 (1994-07-01), Hane
patent: 5340972 (1994-08-01), Sandor

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