Bowling pin sensor

Details Bowling pin sensor Bowling pin sensor

1987-08-17

1988-09-13

Oechsle, Anton O.

Amusement devices: games

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

Target

340568, A63D 504

Patent

active

047704187

ABSTRACT:
A sensor for use in a lane of a bowling center to detect the relative position of a bowling pin, comprising a light responsive electrical device with a superimposed light conductive protector, the light conductive protective means having a refractive index and a length/diameter ratio whereby light entering therein will reach the light responsive electrical means only below a predetermined angle of incidence.

REFERENCES:
patent: 2014306 (1935-09-01), Barker
patent: 2346428 (1944-04-01), Hanley
patent: 3300770 (1967-01-01), Brousseau et al.
patent: 3463491 (1969-08-01), Shaw

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