Timing apparatus and method

Registers – Platform operated – Platform actuated traffic counters

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Details

235 92CC, 235 92PE, 343 13R, G06M 308

Patent

active

042812399

ABSTRACT:
In a projectile scoring system including a transmitter for illuminating the projectile and a plurality of spaced apart sensors providing signals indicative of the time of arrival of the reflected energy at each of the sensors, timing apparatus including counters activated by the sensor signals and deactivated simultaneously at a predetermined later time. The differences between the counts being utilized in a computer to calculate the position of the projectile relative to the sensors.

REFERENCES:
patent: 3226713 (1965-12-01), Sorkin et al.
patent: 3241063 (1966-03-01), Beattie et al.
patent: 3277473 (1966-10-01), Calhoon et al.
patent: 3333264 (1967-07-01), Knepper
patent: 3496562 (1970-02-01), Smith
patent: 3801917 (1974-04-01), Weinstein
patent: 3808407 (1974-04-01), Ratz

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