Apparatus for determining a speed of a projectile

Details Apparatus for determining a speed of a projectile Apparatus for determining a speed of a projectile

1996-07-23

1998-09-15

Harrison, Jessica

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

473190, 473192, F41J 506

Patent

active

058068481

ABSTRACT:
An apparatus for determining a speed of a projectile uses control logic and a single acoustic sensor connected to the control logic. The control logic includes a pulsing clock. The control logic starts the clock upon receiving a first signal from the acoustic sensor and stops the clock upon receiving a second signal from the acoustic sensor. The control logic converts pulses of the clock into a numeric value indicative of speed based upon a preprogrammed distance measurement setting. The numeric value can then be converted into miles per hour and displayed to the user.

REFERENCES:
patent: 3091466 (1963-05-01), Speiser
patent: 3643959 (1972-02-01), Cornell et al.
patent: 4807887 (1989-02-01), DeVale et al.
patent: 5447315 (1995-09-01), Perkins
patent: 5478077 (1995-12-01), Miyahara

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