Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1996-05-15
1998-02-03
Hellner, Mark
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
342 16, G01P 336, G01S 736
Patent
active
057150451
ABSTRACT:
A countermeasure-detecting circuit, and associated method, for a laser speed detector. Countermeasures taken at a moving target, such as a vehicle, to interfere with operation of the laser speed detector are detected. When countermeasures taken at the moving target are detected, the sensitivity of the laser speed detector is altered to overcome the effects of the countermeasures.
REFERENCES:
patent: 5173701 (1992-12-01), Dijkstra
patent: 5221956 (1993-06-01), Patterson et al.
patent: 5359404 (1994-10-01), Dunne
Hellner Mark
Kubida William J.
Laser Technology, Inc.
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