Apparatus and method for reading an identifying label on an info

Details Apparatus and method for reading an identifying label on an info Apparatus and method for reading an identifying label on an info

1980-04-21

1981-09-29

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235419, 235464, G06K 700

Patent

active

042925118

ABSTRACT:
An apparatus and method for reading an identifying label on an information record where the label consists of alternating regions of the record surface having different surface effects. The apparatus comprises a light source, collimating optics, focusing optics to focus a portion of the light beam scattered from the record surface on a multi-element light detector whose elements are successively read out to form a serial electrical signal representative of the label, and electrical means for reading out the detected light signal. The apparatus has sufficient sensitivity and accuracy to read out a black-on-black label.

REFERENCES:
patent: 3758753 (1973-09-01), Myer
patent: 3842194 (1974-10-01), Clemens
patent: 3864548 (1975-02-01), O'Neil
patent: 4097895 (1978-06-01), Spong

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