Time and distance measurement apparatus

Details Time and distance measurement apparatus Time and distance measurement apparatus

1989-12-14

1991-03-19

Cuchlinski, Jr., William A.

Communications: electrical

Land vehicle alarms or indicators

116 28R, 116211, G08B 108

Patent

active

050014560

ABSTRACT:
An apparatus is provided to facilitate the accurate measurement of changes in velocity of a vehicle. The apparatus (10) comprises a firing box (14) and a remote control box (16) for controlling a sequence of operations. A plurality of individually actuated solenoids (46) mounted within the firing box (14) actuate the firing of a plurality of marker cartridges (104) from a magazine (94) mounted to the firing box (14). The firing box (14) is mounted to the exterior of a vehicle (12). When a brake sensor (144) signals the actuation of a brake in the vehicle, the signal actuates the sequential firing of the cartridges (104) in equally spaced time increments to leave indicia on the surface of the ground over which the vehicle moves.

REFERENCES:
patent: 2474537 (1949-06-01), MacLeod
patent: 3263644 (1966-08-01), Irby
patent: 3490409 (1970-01-01), Pomeroy
patent: 3768436 (1973-10-01), Martini

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