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  2. Radar speed gun - Wikipedia

    en.wikipedia.org/wiki/Radar_speed_gun

    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 ...

  3. Goods and Services Tax (India) - Wikipedia

    en.wikipedia.org/wiki/Goods_and_Services_Tax_(India)

    The purpose of HSN codes is to make GST systematic and globally accepted. The Harmonized system of Nomenclature (HSN) code is used for classifying goods under the Goods and Services Tax (GST) in India. The HSN code is a six-digit code that uniquely identifies a product.

  4. Harmonized System - Wikipedia

    en.wikipedia.org/wiki/Harmonized_System

    The process of assigning HS codes is known as "HS Classification". All products can be classified in the HS by using the General Rules for the Interpretation of the Harmonized System ("GRI") that must be applied in strict order. HS codes can be determined by a variety of factors including a product's composition, its form and its function.

  5. Radar detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector

    A radar detector is an electronic device used by motorists to detect if their speed is being monitored by police or law enforcement using a radar gun. Most radar detectors are used so the driver can reduce the car's speed before being ticketed for speeding .

  6. Speed limit enforcement - Wikipedia

    en.wikipedia.org/wiki/Speed_limit_enforcement

    Radar speed guns use a microwave signal that is directed at a vehicle; the Doppler effect is used to derive its speed. LIDAR speed guns utilize the time of flight of laser pulses to make a series of timestamped measurements of a vehicle's distance from the laser; the data is then used to calculate the vehicle's speed. [20]

  7. The Best Things Our Editors Ate This Year - AOL

    www.aol.com/best-things-editors-ate-202209192.html

    These are the best bites Southern Living Editors ate in 2024

  8. Talk:Radar speed gun - Wikipedia

    en.wikipedia.org/wiki/Talk:Radar_speed_gun

    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.

  9. Lidar traffic enforcement - Wikipedia

    en.wikipedia.org/wiki/LIDAR_traffic_enforcement

    Jeremy Dunn (Laser Technology Inc.) developed a police lidar device in 1989, [3] and in 2004 10% of U.S. sales of traffic enforcement devices were lidar rising to 30% in 2006, [1] given the advantages of lidar it appears likely that the majority of current sales are lidar, although sophisticated radar units are still being sold.