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

1993-06-03

1995-03-21

Bartuska, F. J.

Check-actuated control mechanisms

Including value accumulator for plural checks

Having solid state circuitry

221125, G07F 510

Patent

active

053987993

ABSTRACT:
A method and apparatus for carrying out the conversion of purely electromechanical can and bottle vending machines to 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 motor start switches, as well as the connections between the motor start switches and the credit relay and between the "sold out" switches and the credit relay and interposing a series of sensing modules therebetween, each of which is connected to the microprocessor controller. The sensing circuits provide circuit compatability between 110 Volt AC motor circuits and low voltage DC logic circuits, without requiring re-wiring in the existing motor and switch harnesses.

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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