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  2. 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.

  3. 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 ...

  4. Radar detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector

    With such a focused beam, an officer using a LIDAR gun can target a single car in close proximity to others at ranges of up to 3,000 feet (910 m). [citation needed] This has resulted in some manufacturers producing LIDAR jammers. Unlike those of radar, LIDAR's frequencies and use are not controlled by the FCC.

  5. Speed limit enforcement - Wikipedia

    en.wikipedia.org/wiki/Speed_limit_enforcement

    Police officers in Bavaria checking speed with a tripod-mounted LIDAR speed gun Speed limits were originally enforced by manually timing or "clocking" vehicles travelling through "speed traps" defined between two fixed landmarks along a roadway that were a known distance apart; the vehicle's average speed was then determined by dividing the ...

  6. Lidar - Wikipedia

    en.wikipedia.org/wiki/Lidar

    Lidar speed guns are used by the police to measure the speed of vehicles for speed limit enforcement purposes. Additionally, it is used in forensics to aid in crime scene investigations. Scans of a scene are taken to record exact details of object placement, blood, and other important information for later review.

  7. LAPD officers allowed to carry guns at Paris Olympics after ...

    www.aol.com/news/lapd-officers-allowed-carry...

    At a briefing late last month, Paris Police Chief Laurent Nunez announced plans to deploy about 30,000 police officers each day, including armed police, with a peak of 45,000 for the opening ...

  8. History of radar - Wikipedia

    en.wikipedia.org/wiki/History_of_radar

    A radar gun does not return information regarding the object's position; it uses the Doppler effect to measure the speed of a target. First developed in 1954, most radar guns operate with very low power in the X or Ku Bands. Some use infrared radiation or laser light; these are usually called LIDAR.

  9. Maryland man arrested for allegedly manufacturing 80 ghost guns

    www.aol.com/manhunt-underway-maryland-man...

    A man was arrested Tuesday evening after police found 80 illegal ghost guns and an arsenal of weapons inside a home, according to the St. Mary's County Sheriff's Office.