Vending machine with remote control alarm

Details Vending machine with remote control alarm Vending machine with remote control alarm

2006-10-24

2006-10-24

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S545100, C340S521000, C340S691100, C340S691400, C340S686100, C116S086000

Reexamination Certificate

active

07126474

ABSTRACT:
An electronic alarm and a vending machine equipped with the alarm monitors a plurality of zones by suitable circuitry to detect vandalism and theft. Each zone has a mechanically-triggered sensor that provides an electrical output. The zones comprise a pair of door sensors and a separate, shock sensor. A solid-state logic circuit includes a red and green indicator light, and a loud warning buzzer ultimately triggered by the sensors. A circuit time delay and logic scheme analyzes sensor status, and separate false-alarm prevention circuits insure proper triggering after a predetermined delay. Alarm status is indicated by highly visible green and red status lights mounted on the door. A buzzer sounds in response to sensor activation and circuit logic. A back-up battery that is coupled to the logic circuitry for fail-safe operation includes an automatic recharge system, and dual red and green LED's monitor battery condition.

REFERENCES:
patent: 3561395 (1971-02-01), Piersma
patent: 3852737 (1974-12-01), Gordon
patent: 4117465 (1978-09-01), Timblin
patent: 4876532 (1989-10-01), Sauls
patent: 5091713 (1992-02-01), Horne et al.
patent: 5884807 (1999-03-01), Yun
patent: 6505774 (2003-01-01), Fulcher et al.

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