Hand-held manually operable instruments determining and displayi

Details Hand-held manually operable instruments determining and displayi Hand-held manually operable instruments determining and displayi

1996-04-04

1997-12-09

Voeltz, Emanuel T.

Boots, shoes, and leggings

364516, 364561, 36455101, 368 2, 368 6, 340323R, G01C 2300

Patent

active

056967063

ABSTRACT:
A hand-held and operated, instantaneous readout, portable electronic instrument is disclosed, which may be used by an observer from the grandstands to determine the speed of racers such as racing cars, horses, athletes, etc. over a lap of a race-track and to comparatively display the speeds of one racer over different laps and the speeds of different racers.

REFERENCES:
patent: 2635692 (1953-04-01), Scheske
patent: 4352064 (1982-09-01), Dunn
patent: 4367051 (1983-01-01), Inoue
patent: 5163014 (1992-11-01), Calimeri
patent: 5222024 (1993-06-01), Orita et al.
patent: 5241487 (1993-08-01), Bianco
patent: 5553007 (1996-09-01), Brisson

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