Apparatus and method for controlling game playing time

Details Apparatus and method for controlling game playing time Apparatus and method for controlling game playing time

1978-04-14

1980-08-05

Pinkham, Richard C.

Undertaking

273 55R, 273 15R, A63B 7100

Patent

active

042158567

ABSTRACT:
Interruptions in the playing time of a game having a set playing time are recorded by the transmission of signals by the referee at the beginning and end of each interruption. The referee's signals are transmitted by wireless to a reception conductor located in or on the playing area and conducted therefrom to recording and display devices. To prevent interference by signals other than those from the referee, interference receiving conductors are located outside the playing area and/or around the spectator areas and signals received by these loops are suppressed by comparison with the signals emitted within the playing area. Interference may be further prevented by providing for the referee to transmit two separate signals the characteristics of which are compared with those of predetermined signals and elapsed time only recorded when the signal characteristics coincide.

REFERENCES:
patent: 3508034 (1970-04-01), Masatoshi et al.
patent: 3946314 (1976-03-01), Oswald

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