Lap counter

Details Lap counter Lap counter

1982-06-01

1985-07-16

Miller, Stanley D.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Counting animate or inanimate entities

G06M 306, G06M 1274

Patent

active

045301050

ABSTRACT:
An automatic lap counting device for use by swimmers and runners, for example, which depends upon the change in the magnetic line of force of the North/South magnetic field for determining the laps.

REFERENCES:
patent: 2089914 (1937-08-01), Freeman
patent: 4013945 (1977-03-01), Grosso
patent: 4220996 (1980-09-01), Searcy
patent: 4371945 (1983-02-01), Karr et al.

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