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A lidar detector or laser detector is a passive device designed to detect infrared emissions, especially those of law enforcement agencies' lidar speed detection devices, and warn motorists that their speed is being measured.
An early radar detector Car radar detector (Japanese) 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.
Passive RADAR and LIDAR detector. Some drivers use passive radar detectors or LIDAR detectors to detect police radar or LIDAR signals, with the intention of avoiding or evading prosecution by slowing down before entering an enforcement zone. The legal standing of these type of devices varies by jurisdiction.
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
Some motorists install radar detectors which can alert them to the presence of a speed trap ahead, and the microwave signals from radar may also change the quality of reception of AM and FM radio signals when tuned to a weak station. For these reasons, hand-held radar typically includes an on-off trigger and the radar is only turned on when the ...
VASCAR is known to be used where radar or LIDAR is illegal, such as some jurisdictions in Pennsylvania. [2] Many police vehicles in the United Kingdom are fitted with a device, especially those used for traffic enforcement.
Former Senate Republican Leader Mitch McConnell (Ky.) said he had “candid” conversations with President Trump when asked about reports that he and Trump got into “screaming matches” during ...
the topic is Radar detectors, not LIDAR speed detection methods, and not Radar and LIDAR jammers. That's why they are just briefly touched as relevant technologies. --Shaddack 18:58, 20 January 2006 (UTC) I have added a partial list of countries and areas where radar detectors are illegal. Please expand if you know more.--