Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Patent
1990-10-15
1992-06-23
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
377 5, 377112, 482 55, G01C 2200, G06M 122, G06M 302
Patent
active
051250101
ABSTRACT:
The present invention relates to a lap counting system having a radio communication range between a radio transmitter and a radio receiver. The lap counting system increments a lap count each time the distance between the receiver and the transmitter becomes smaller than the communication range.
REFERENCES:
patent: 4518266 (1985-05-01), Dawley
patent: 4530105 (1985-07-01), Rabinowitz
patent: 4700369 (1987-10-01), Siegal et al.
patent: 4780085 (1988-10-01), Malone
patent: 4823367 (1989-04-01), Kreutzfeld
patent: 4932045 (1990-05-01), Kasoff et al.
Lee Lewis C.
Wallace T. Lester
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