Optical reading apparatus and method

Details Optical reading apparatus and method Optical reading apparatus and method

1972-04-05

1976-02-17

Cook, Daryl W.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

250567, 3401463F, G06K 710, G08C 906, G06K 900

Patent

active

039393275

ABSTRACT:
Apparatus for recognizing alpha-numeric indicia that are either printed or embossed such as are common to credit cards and other identification means for use in a data processing system. The optical reading apparatus scans a surface to be read using a read head that conducts light to and from the surface using light conducting rods. Photosensors at the emitting ends of light conducting rods detect changes in the level of light reflected from the surface. For recognizing indicia, the level of light is made to be directly related to particular portions of the alpha-numeric indicia being read. The entrance ends of the light conducting rods are strategically placed so that logic circuitry connected to the photosensors can convert the detected signal into machine language.

REFERENCES:
patent: 2294679 (1942-09-01), Maul
patent: 2723308 (1955-11-01), Vroom
patent: 3299298 (1967-01-01), Schinner
patent: 3485168 (1969-12-01), Martinson
patent: 3612833 (1971-10-01), Davis

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