Apparatus for preventing circuit burn-out in multi-price merchan

Details Apparatus for preventing circuit burn-out in multi-price merchan Apparatus for preventing circuit burn-out in multi-price merchan

1981-08-13

1984-08-21

Bartuska, F. J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 10, 363 53, G07F 1100

Patent

active

044665288

ABSTRACT:
Apparatus for preventing circuit burn-out in motor driven merchandisers, in one form of which a plurality of redundant diodes connects a price matrix to the open contacts of the selection switches. In another form, the price matrix is connected to the first normally open contacts of double pole, double throw selection switches, the second normally open contacts connected to the delivery drive means.

REFERENCES:
patent: 3023353 (1962-02-01), Currey
patent: 3045168 (1962-07-01), Fellendorf
patent: 4034839 (1977-07-01), Lee
patent: 4094398 (1978-06-01), Camp et al.
patent: 4267915 (1981-05-01), McLaughlin et al.
patent: 4284184 (1981-08-01), Hoffman

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