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VASCAR

VASCAR (Visual Average Speed Computer And Recorder) is a type of device for calculating the speed of a moving vehicle. The first VASCAR device was created in 1966 by Arthur Marshall. It is used by police officers to enforce speed limits, and may be preferred where radar or LIDAR is illegal, such as in some jurisdictions in Pennsylvania, or to prevent…

History, Measurement & Art

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History

VirginiaPolice carNorth CarolinaIndianaKentucky
6 related topics

Technical details

SpeedometerOdometerToggle switchDashboardNixie tube
6 related topics

Operation

Mean value theoremNational Highway Traffic Safety Administration
2 related topics

Strengths and weaknesses of VASCAR

LIDARDoppler effect
2 related topics

Topics to explore

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Overview

Operation

History

Technical details

Strengths and weaknesses of VASCAR

Similar devices

Advanced semantic analysis

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Map overview Semantic statistics

VASCAR

Nodes30
Edges29
Triples62
Avg. degree1.93
Density0.066667
Components1

How this topic connects Entity context

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VASCAR

Top relations

related to history · 20
VASCAR → After, Arthur Marshall, By, Controls, He, In, Inc, Indiana, Kentucky, Marshall, New York, North Carolina, Power Systems, Richmond, Subsequent, The, They, Traffic Safety Systems, VASCAR-plus, Virginia
related to Similar devices · 18
VASCAR → Controls, For, Limited, Other, PATCO, Pennsylvania Department, PLUS, Power Systems, Pty, Signal Systems, South Africa, Tracker, Transportation, V-SPEC, VASCAR-branded, VASCAR-plus, While, YIS/Cowden Group
related to Technical details · 10
VASCAR → DISTANCE, Most, Older, Pulses, Recently, The, These, TIME, To, When
related to Strengths and weaknesses of VASCAR · 6
VASCAR → Doppler, It, LIDAR, RADAR, The, The VASCAR
related to Users · 6
VASCAR → LIDAR, Many, Pennsylvania, The, United Kingdom, United States
related to Operation · 2
VASCAR → An, The

Important terminology Word statistics

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Important terminology

speed vehicle used distance device systems average radar lidar traffic system computer unit time pennsylvania devices also passes vehicle's points

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VASCARrelated to historyArthur Marshall0.60section
VASCARrelated to historyRichmond0.60section
VASCARrelated to historyVirginia0.60section
VASCARrelated to historyHe0.60section
VASCARrelated to historyThe0.60section
VASCARrelated to historySubsequent0.60section
VASCARrelated to historyBy0.60section
VASCARrelated to historyNorth Carolina0.60section
VASCARrelated to historyIndiana0.60section
VASCARrelated to historyKentucky0.60section
VASCARrelated to historyNew York0.60section
VASCARrelated to historyIn0.60section

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    Min side: 3
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