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An electronic odometer (below speedometer) with digital display showing 91,308 miles (146,946 km) from a Jeep Grand Cherokee (WJ) An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two (electromechanical).
The Geodimeter (acronym of geodetic distance meter) was the first optical electronic distance meter surveying instrument. [ 1 ] [ 2 ] It was originally developed for measuring the speed of light . [ 3 ] [ 4 ] It was invented in 1947 by Erik Osten Bergstrand [ sv ] and commercialized in 1953 by the AGA ( Aktiebolaget Gasaccumulator ) company of ...
This specification became known in the transportation industry as "Title 21" after it was added to Title 21 of the California Code of Regulations. [2] It uses RFID technology near 915 MHz to read data from a transponder placed in a vehicle (usually mounted by Velcro strips to the windshield) moving at speeds that may exceed 70 mph (112 km/h ...
Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include: Wheel speed sensors; Speedometers; Pitometer logs; Pitot tubes; Airspeed indicators; Piezo sensors (e.g. in a road surface) LIDAR; Ground speed radar; Doppler radar; ANPR (where vehicles are timed over a fixed distance)
A vehicle instrument is an instrument that measures some parameters in the vehicle, often found on its control panel or dashboard. Types. Speedometer; Tachometer;
If you run a red light at a ramp meter, Leavitt said you could be cited for violating California Vehicle Code 21453, which states a driver must stop when faced with a steady red signal — even if ...
Hubodometer Veeder-Root Hubodometer Veeder-Root Original Veeder Counter Veeder Company Cyclometer Poster 1900. A hubometer (from hub, center of a wheel; -ometer, measure of) or hubodometer, is a device mounted on the axle of any land vehicle to measure the distance traveled by a vehicle based on the rotations of the wheel hub.
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