Education and demonstration – Physical education – Swimming
Patent
1986-11-10
1988-10-25
Picard, Leo P.
Education and demonstration
Physical education
Swimming
272 4, 272 71, 340323R, G04B 1924
Patent
active
047800852
ABSTRACT:
A lap timing device for swimmers utilizes a proximity sensor to detect the completion of each lap a swimmer swims during a training session. The device, which is preferably portable and in the form of a starting block of standard AAU dimensions, is placed adjacent an edge of a swimming pool. The number of laps of the training session are input and the swimmer stands on the diving platform of the device. When the swimmer dives off of the platform, a switch starts a clock/counter in the device. The proximity sensor, preferably an ultrasonic transducer, detects the completion of each lap. When the predetermined number of laps is counted by the device, an alarm sounds, indicating to the swimmer the end of the training session, and the total swim time, average time per lap, fastest lap time and slowest lap time are displayed. The device automatically provides the pertinent information about a training session to the swimmer, allowing the swimmer to concentrate on his swimming without worrying about losing track of which lap he is on.
REFERENCES:
patent: 3678496 (1972-07-01), Stalp
patent: 3916214 (1975-10-01), Coble, Jr. et al.
patent: 4518266 (1985-05-01), Dawley
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