Multiple depth of field optical scanner

Details Multiple depth of field optical scanner Multiple depth of field optical scanner

1992-02-14

1994-03-29

Hajec, Donald

Registers

Coded record sensors

Particular sensor structure

359198, 359216, G06K 710

Patent

active

052987299

ABSTRACT:
A multiple depth of field optical scanner employing a mirrored spinner which is rotated about a predetermined point between the geometric center and the periphery of the spinner. The rotation point is preferably located to provide the maximum variation in depth of field that will still allow a laser to continuously illuminate the spinner as it rotates. The spinner may be additionally rotated about its geometric center, if desired.

REFERENCES:
patent: 4082417 (1978-04-01), Runciman et al.
patent: 5007691 (1991-04-01), Bobba et al.
patent: 5059779 (1991-10-01), Krichever et al.
patent: 5175421 (1992-12-01), Harris

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