Coded optical identification system

Details Coded optical identification system Coded optical identification system

1980-04-18

1982-05-11

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235470, 235472, 235473, G06K 710, G02B 514

Patent

active

043295738

ABSTRACT:
A coded optical identification system includes a linear array of three-dimensional segments. A first plurality of the segments have planar surfaces thereon from reflecting light from a light source to a light sensor, and a second plurality of the segments have a sloping surface thereon for directing light from the light source away from the light sensor.

REFERENCES:
patent: 3786238 (1974-01-01), Heisner

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