Bi-directional scanner assembly

Details Bi-directional scanner assembly Bi-directional scanner assembly

1976-09-27

1977-11-08

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

235467, 250568, 3401463Z, 350 6, G06K 710

Patent

active

040577848

ABSTRACT:
An optical code reader employs a flying spot scanner which traces a plurality of forward scan patterns wherein each is off-set from one another, and a plurality of reverse scans wherein each is off-set from one another and the generation of each forward scan is followed by the generation of a reverse scan. Furthermore, the forward and reverse scans are randomly positioned with respect to one another and other reverse and forward scans.

REFERENCES:
patent: 3676645 (1972-07-01), Fickenscher et al.
patent: 3728677 (1973-04-01), Munson
patent: 3818444 (1974-06-01), Connell
patent: 3845466 (1974-10-01), Hong
patent: 3902048 (1975-08-01), Fleischer et al.
patent: 3916158 (1975-10-01), Sansone et al.
patent: 3947816 (1976-03-01), Rabedeau

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