Powder down door open memory latch for a gaming device

Details Powder down door open memory latch for a gaming device Powder down door open memory latch for a gaming device

1986-06-30

1989-01-03

Lastova, Maryann

Amusement devices: games

Chance devices

Rotating disk

273138A, A63F 504

Patent

active

047951559

ABSTRACT:
A powder down door open memory latch circuit for a gaming device which determines whether a door on the gaming device has been opened during a power failure. The circuit includes a cam switch coupled to a lock on the door of the gaming device, the switch being actuated to provide a signal when the door is unlocked. The circuit also includes a hinge switch mounted adjacent a hinge connecting the door to the cabinet of the gaming device to provide a signal when the door is opened. Each of the switch signals is coupled to a respective battery powered memory latch to cause the latches to change from a cleared state to a second state when the door is unlocked and open. Upon the restoration of power after a powder failure, the main processor for the gaming device determines the states of the latches and if the memory latch states indicate that the door was unlocked and opened during a power failure, the processor tilts the gaming device to prevent further operation thereof.

REFERENCES:
patent: 4231105 (1980-10-01), Schuller et al.
patent: 4366481 (1982-12-01), Main et al.
patent: 4607844 (1986-08-01), Fullerton

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