Selective pattern scanner

Details Selective pattern scanner Selective pattern scanner

1997-08-13

1998-10-06

Le, Thien Minh

Registers

Coded record sensors

Particular sensor structure

G06K 710

Patent

active

058180257

ABSTRACT:
A barcode scanner includes a spinner disposed in optical alignment with a light emitter for reflecting a light beam from a plurality of mirror facets. A motor is joined to the spinner for rotating the spinner to align in turn the spinner facets with the light emitter. A plurality of pattern mirrors are optically aligned with the spinner for reflecting the light beam from the spinner facets as a plurality of scan lines. A controller is operatively joined to the light emitter for turning the light emitter on during a first mode of operation for effecting all of the plurality of scan lines in sequence. A control tab is joined to the spinner for rotation therewith. A sensor is spaced adjacent to the spinner for detecting proximity of the control tab, and is operatively joined to the light emitter for periodically turning on the light emitter during a second mode of operation for effecting less than all the scan lines corresponding with detection of the control tab adjacent to the sensor.

REFERENCES:
patent: 4692603 (1987-09-01), Brass et al.
patent: 5208456 (1993-05-01), Appel et al.
patent: 5252816 (1993-10-01), Onimaru et al.
patent: 5288983 (1994-02-01), Nakazawa
patent: 5294784 (1994-03-01), Tooley et al.
patent: 5378883 (1995-01-01), Batterman et al.
patent: 5504316 (1996-04-01), Bridgelalls
patent: 5528022 (1996-06-01), Nakazawa
patent: 5612544 (1997-03-01), Busch
patent: 5646766 (1997-07-01), Conemac

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