Optical ball sensor

Details Optical ball sensor Optical ball sensor

1992-12-09

1993-10-26

Millin, V.

Amusement devices: games

Surface projectile game; game element

Ball games

273118R, 273118A, 273127R, 273127B, A63F 730

Patent

active

052559165

ABSTRACT:
The optical ball sensor consists of an optical sensor consisting of a light emitter and light detector mounted on a printed circuit board. Light from the emitter is transmitted through a light pipe across the path of travel of the ball and through another light pipe back to the detector. When a rolling pinball interrupts the light beam, a signal is delivered to the game microprocessor. The microprocessor can be programmed to respond to the signal in any number of ways, for example, the microprocessor can score points, initiate other play features and the like.

REFERENCES:
patent: 3252705 (1966-05-01), Cornberg
patent: 4021119 (1977-05-01), Stauffer
patent: 4534651 (1985-08-01), Minikane
patent: 4935621 (1990-06-01), Pikulski
patent: 4949972 (1990-08-01), Goodwin et al.
patent: 4991846 (1991-02-01), Sondej
patent: 5158291 (1992-10-01), Biagi et al.
patent: 5171013 (1992-12-01), Dooley
patent: 5181722 (1993-01-01), Krutsch et al.

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