Optical scanning device

Details Optical scanning device Optical scanning device

1997-07-16

1999-12-07

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359196, 359197, 359212, 359226, 235467, G02B 2608

Patent

active

059993014

ABSTRACT:
A laser bar code scanner employing a retroreflector in combination with a rotating polygon reflector to increase scan width and reduce curvature in the scanning beam.

REFERENCES:
patent: 3750189 (1973-07-01), Fleischer
patent: 4706773 (1987-11-01), Reinuad
patent: 5559320 (1996-09-01), Loya
patent: 5637854 (1997-06-01), Thomas

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