Coin actuated timer with audio output

Details Coin actuated timer with audio output Coin actuated timer with audio output

1978-02-10

1979-12-04

Rolla, Joseph J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 16, 194DIG18, G07F 1700

Patent

active

041767390

ABSTRACT:
Electro-mechanical apparatus is disclosed which includes a coin actuated timer electronically linked to an audio output to provide an audio output at the end of a pre-determined time period selected by the user and responsive to coins inserted into the apparatus.

REFERENCES:
patent: 3165185 (1965-01-01), Moore
patent: 3370686 (1968-02-01), Wilcox
patent: 3923134 (1975-12-01), Rezazadeh

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