GB952296A - Improvements relating to foul detectors for use in bowling alleys - Google Patents

Improvements relating to foul detectors for use in bowling alleys

Info

Publication number
GB952296A
GB952296A GB3316862A GB3316862A GB952296A GB 952296 A GB952296 A GB 952296A GB 3316862 A GB3316862 A GB 3316862A GB 3316862 A GB3316862 A GB 3316862A GB 952296 A GB952296 A GB 952296A
Authority
GB
United Kingdom
Prior art keywords
foul
relay
light
alley
detectors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3316862A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB952296A publication Critical patent/GB952296A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63D—BOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS
    • A63D1/00—Installations for bowling games, e.g. bowling-alleys or bocce courts
    • A63D1/06—Adjusting apparatus; Stands for players

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

A photo-electric foul detector for use in a bowling alley comprises a light-sensitive resistor mounted at the bowling end of the alley and illuminated by a beam of light projected across the alley, above the foul line. The resistor is arranged in series with a relay, and when the beam of light is broken, the relay is de-energized and closes two switches, thereby operating a lamp and an audible signal, and simultaneously energizes a time switch which prolongs the illumination of the lamp after the relay has been re-energized. A capacitor in parallel with the relay serves to delay de-energization of the latter upon interruption of the light beam and thereby prevents operation of the foul-detector during passage of the ball past the beam.
GB3316862A 1961-09-01 1962-08-29 Improvements relating to foul detectors for use in bowling alleys Expired GB952296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA830963 1961-09-01

Publications (1)

Publication Number Publication Date
GB952296A true GB952296A (en) 1964-03-11

Family

ID=4141369

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3316862A Expired GB952296A (en) 1961-09-01 1962-08-29 Improvements relating to foul detectors for use in bowling alleys

Country Status (1)

Country Link
GB (1) GB952296A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743290A (en) * 1971-09-20 1973-07-03 Brunswick Corp Foul detecting system for a bowling game

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743290A (en) * 1971-09-20 1973-07-03 Brunswick Corp Foul detecting system for a bowling game

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