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A radar speed gun, also known as a radar gun, speed gun, or speed trap gun, is a device used to measure the speed of moving objects. It is commonly used by police to check the speed of moving vehicles while conducting traffic enforcement , and in professional sports to measure speeds such as those of baseball pitches , [ 1 ] tennis serves , and ...
The speed of a vehicle occluded by (hidden behind) another vehicle cannot be measured. This occlusion issue does not apply to fixed speed enforcement devices that can be mounted on poles or gantries up to 5-6 meters / 15 -20 ft high using radar as detection method. Fixed and handheld lidar systems reliable up to heights of roughly 2 meters / 7 ft.
The first modern KBBI dictionary was published during the 5th Indonesian Language Congress on 28 October 1988. The first edition contains approximately 62,000 entries. The dictionary was compiled by a team led by the Head of the Language Center, Anton M. Moeliono, with chief editors Sri Sukesi Adiwimarta and Adi Sunaryo. [1]
Gatso speed camera. Speed limits are enforced on most public roadways by authorities, with the purpose to improve driver compliance with speed limits.Methods used include roadside speed traps set up and operated by the police and automated roadside "speed camera" systems, which may incorporate the use of an automatic number plate recognition system. [1]
Mark III free gun reflector sight mk 9 variant Another type of optical sight is the reflector (or " reflex ") sight , a generally non- magnifying optical device that allows the user to look through a glass element and see a reflection of an illuminated aiming point or some other image superimposed on the field of view . [ 7 ]
Aldous Huxley is regarded as one of the most prominent explorers of visual communication and sight-related theories. [12] Becoming near-blind in his teen years as the result of an illness influenced his approach, and his work includes important novels on the dehumanizing aspects of scientific progress, most famously Brave New World and The Art of Seeing.
The radar speed gun was invented by Bryce K. Brown of Decatur Electronics in March 1954,[2] and was first used in Chicago, Illinois in April 1954.[citation needed] Patrolman Leonard Baldy was the first officer to issue a speeding ticket using the new device.
Gatso speed camera on a dual carriageway showing characteristic road markings. In March 2005 a BBC program Inside Out demonstrated how the LTI 20.20 LIDAR speed gun, of which 3,500 were in use in the UK, could create exaggerated reading. Errors came from two sources.