Monday, December 20, 2010

How Radar and Laser Detectors Work

Are you fed up with expensive speeding tickets you didn't deserve? Tired of being surprised by unfair, ridiculous speed traps? Have you received a red light camera ticket in the mail? Have your insurance rates increased because of too many traffic violations and points on your license? Drive smarter- laser detector radar protection can help you make driving less stressful and less expensive.

Law enforcement today use laser detection equipment to trap speeders by aiming a narrow beam of infrared light at a vehicle, and then measuring how long it takes to reflect back to the unit. The beam of infrared light maintains its narrow focus, so it targets vehicles with pinpoint accuracy. The computer in the laser unit divides the time by two and calculates the vehicle's distance. It then immediately repeats the process, comparing the change in distance to determine the vehicle's speed.

A burst from a laser gun can include as many as 1,000 samples per second, helping insure the accuracy of the measurement. From 1,000 feet, a laser beam measures just three feet wide, so when an officer aims at a vehicle with a laser, chances are he'll get his reading.

A modern radar laser detector used by drivers receives radio and light waves. When frequencies match those known to be used by police radar and laser units, the detectors alert you. Most units today combine radar and laser detection in one device. It's true that you get what you pay for- a higher price tag corresponds with improved performance. High-performance detectors, such as an Escort radar detector, tend to do a superior job. Many models have built-in GPS, to help recognize and remember the locations of fixed-location false alarms, speed traps, and unmanned red-light intersection cameras.

Regardless of why drivers speed and police officers ticket, each side is using the latest technology to outsmart the other. Traffic courts want your money and you are trying to keep it. Protect yourself every time you drive with a radar laser detector!

Thanks To : Health and Personal Care Tom Tom GPS HP Pavilion Laptop Review

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