Control apparatus for determining usage time

Details Control apparatus for determining usage time Control apparatus for determining usage time

1974-09-17

1977-02-01

Cook, Daryl W.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

235 6112M, 194 4F, G06K 708, G06K 1906, G07F 106

Patent

active

040063429

ABSTRACT:
A control apparatus for measuring usage time including an information carrier in the form of a token having magnetizable regions; the latter store information consisting of individual magnetic signals upon insertion of a coin corresponding to the time thereof. The token is interrogated in a read device upon its insertion therein.

REFERENCES:
patent: 3287543 (1966-11-01), Halpern
patent: 3356021 (1967-12-01), May et al.
patent: 3452358 (1969-06-01), Zehner
patent: 3755652 (1973-08-01), Endo et al.
patent: 3788617 (1974-01-01), Barney

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