Optical assembly for barcode scanner

Details Optical assembly for barcode scanner Optical assembly for barcode scanner

1998-07-08

2000-09-19

Lee, Michael G

Registers

Coded record sensors

Particular sensor structure

235454, 235470, 235468, 23547201, G06K 710

Patent

active

061199397

ABSTRACT:
The invention is optical assembly for use in a barcode reader that includes a frame having a rear housing and a pair of arms outwardly extended from the housing. An optical card containing an imaging lens is slidably received in a rear guideway situated between the arms. An aperture card is slidably received in a front guideway situated between the arms in front of the lens. Lamp support brackets are also mounted to either side of the arms. Each bracket contains a pair of LEDs that are aligned in coplanar relation with the imaging lens. A cylindrical lens is mounted in front of the lamp support brackets within the arms of the frame to magnify and focus the illumination from the LED upon a target in barcode space. A horizontally extended field stop aperture is positioned in front of each LED.

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