Lock-ahead vend control employing a common vend energization mon

Details Lock-ahead vend control employing a common vend energization mon Lock-ahead vend control employing a common vend energization mon

1983-06-16

1985-07-02

Tollberg, Stanley H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

221 5, G07F 516

Patent

active

045262632

ABSTRACT:
A vend control circuit for a multi-channel vendor, including a credit entry circuit, a plurality of selection switches actuatable for selecting different vend selections, a plurality of vend motors, each vend selection having a vend motor associated therewith, a plurality of vend channels each of which may have a different, pre-established vend price associated therewith, a master control circuit for accumulating total credit entered, which master control circuit sequentially compares the total credit entered against the vend prices of each of the vend channels and produces for each such comparison a vend channel authorization signal if the total credit deposited at least equals the vend price, a delivery control circuit for effecting energization of a particular vend motor when a vend selection switch with which such particular vend motor is associated is actuated during the time that a vend channel authorization signal is being produced for the vend channel to which the actuated switch belongs, and a monitor circuit connected in common to the plurality of vend channels for detecting the energization of any vend motor, the master control circuit responsive to detection of such vend motor energization to terminate further sequential comparison and to effect vend delivery circuit lock-up for a sufficiently long enough period to permit the energized vend motor to operate.

REFERENCES:
patent: 4376478 (1983-03-01), Sugimoto et al.

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