Optical code reading device whose laser reading light is transmi

Details Optical code reading device whose laser reading light is transmi Optical code reading device whose laser reading light is transmi

1987-10-23

1989-07-11

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235472, 235473, G06K 710

Patent

active

048474908

ABSTRACT:
An optical code reading device comprises a light source and scanning head for projecting light for illuminating a code to be read, only one single mode optical fiber for transferring the light from the light source so that the spot size can be made as small as possible and shape of the light can be a true circle.

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