Method and apparatus for converting single price vending machine

Details Method and apparatus for converting single price vending machine Method and apparatus for converting single price vending machine

1995-02-10

1996-10-15

Bartuska, F. J.

Check-actuated control mechanisms

Including value accumulator for plural checks

Having solid state circuitry

221 14, G07F 510

Patent

active

055645470

ABSTRACT:
A method and apparatus for carrying out the conversion of single price purely electromechanical can and bottle vending machines to multi-price microprocessor controlled can and bottle vending machines. The present invention provides a method and apparatus for carrying out such a conversion at the site of the vending machine in a relatively short amount of time, without requiring any special tools and without requiring any changes to the existing wire harness of the electromechanical machine. The method of the present invention comprises the steps of removing the "smart coin" acceptor and credit relay from the existing vending machine and installing a "dumb coin" acceptor and microcontroller in their place, then disconnecting the harness connectors which normally provide connection between the motor select switches and the motors. The sensing circuits provide circuit compatibility between 110 Volt AC motor circuits and low voltage DC logic circuits, without requiring re-wiring in the existing motor and switch harnesses. The present invention has the capability to sense select switch depression even before currency has been deposited in the coin acceptor.

REFERENCES:
patent: 3894220 (1975-07-01), Levasseur
patent: 4008792 (1977-02-01), Levasseur et al.
patent: 4044877 (1977-08-01), Burton

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