Code identification apparatus

Details Code identification apparatus Code identification apparatus

1980-02-07

1981-03-17

Cook, Daryl W.

Registers

Coded record sensors

Particular sensor structure

235474, G06K 708, G06K 7016

Patent

active

042569567

ABSTRACT:
Code identification apparatus in which a magnetically coded key or like instrument is inserted into a reader which reads the code on the key. The reader has a guideway to receive the key and, adjacent the guideway, a row of code sensors disposed such that as the key is inserted into the guideway, rows of code locations on the key successively pass the row of code sensors. The reader incorporates signal processing circuitry which determines when there is an output signal from any one or more of the code sensors as a measure of time intervals during which successive rows of code locations are passing the sensors. The signals are accumulated during those time intervals and the accumulated signals registered at their conclusion.

REFERENCES:
patent: 3419710 (1968-12-01), Mathews, Jr. et al.
patent: 3953712 (1976-04-01), Horvath
patent: 3963901 (1976-06-01), Gevas
patent: 4134539 (1979-01-01), Hopkinson
patent: 4213039 (1980-07-01), Schasser

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