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US 6,719,167 B2Granted
Ticket roll detection arrangement for a ticket vending machine
AssigneeInternational Currency Technologies Corporation
InventorHung-Yi Chang
Life of this patent
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Abstract
A ticket roll detection arrangement using a photo-grid wheel for synchronous rotation with the ticket roll supply reel of a ticket vending machine, and a photo transmitter receiver assembly on two sides of the photo-grid wheel to detect the revolving speed of the photo-grid wheel upon delivery of the ticket roll out of the ticket vending machine and to measure the diameter of the rest ticket roll on the ticket roll supply reel subject to the detected revolving speed of the photo-grid wheel.
Claims11
A ticket roll detection arrangement comprising:
- a rack mounted on the base frame of the frame structure of a ticket vending machine, said rack having two upright side panels;
- a reel supported in the upright side panels of said rack for free rotation;
- and
- a ticket roll mounted on said reel;
- wherein
- a photo-grid wheel is fixedly provided at one end of said reel for synchronous rotation with said reel, and a photo transmitter receiver assembly is installed in-said rack of said frame structure on two sides of said photo-grid wheel and adapted to detect the revolving speed of said photo-grid wheel upon delivery of the ticket roll out of the ticket vending machine and to measure the diameter of the rest ticket roll on said reel subject to the detected revolving speed of said photo-grid wheel.
3 more elements
Dependencies are inferred from the claim text.