Single integrated circuit chip with on-board motor drive, laser

Details Single integrated circuit chip with on-board motor drive, laser Single integrated circuit chip with on-board motor drive, laser

1997-11-12

1999-05-11

Lee, Michael G.

Registers

Coded record sensors

Particular sensor structure

235454, 23546226, 23546227, 235470, G06K7/10

Patent

active

059029897

ABSTRACT:
An electro-optical reader reads indicia having parts of different light reflectivity within a limited working range of distances relative to the reader. The reader includes a laser for emitting a laser beam, a photosensor for detecting light over a field of view and generating an analog signal indicative of the indicium being read, and a scanning motor for scanning the laser beam and/or the field of view. A digitizer for digitizing the analog signal, a laser drive for energizing the laser, and a motor drive for activating the motor are all mounted on a single chip integrated circuit mounted within the reader.

REFERENCES:
patent: 4542528 (1985-09-01), Sanner et al.
patent: 5200597 (1993-04-01), Eastman et al.
patent: 5408081 (1995-04-01), Barkan
patent: 5436440 (1995-07-01), Barkan
patent: 5446272 (1995-08-01), Barkan
patent: 5625483 (1997-04-01), Swartz
patent: 5629510 (1997-05-01), Quinn et al.
patent: 5750976 (1998-05-01), Eastman et al.

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