Optical bowling pin sensor

Details Optical bowling pin sensor Optical bowling pin sensor

1986-07-11

1988-02-23

Picard, Leo P.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 54C, 2502221, A63D 504

Patent

active

047265876

ABSTRACT:
An optical bowling pin detector wherein light reflecting from the top five inches of each pin is directed to a linear array of photosensitive devices by an anamorphic lens. The detector is positioned so it can view all the bowling pins without moving.

REFERENCES:
patent: 3501644 (1970-03-01), Berler
patent: 3804408 (1974-04-01), Saito et al.
patent: 3825749 (1974-07-01), Gautraud et al.

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