Object detecting apparatus having case breakage detecting...

Details Object detecting apparatus having case breakage detecting... Object detecting apparatus having case breakage detecting...

2006-12-12

2006-12-12

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C340S552000

Reexamination Certificate

active

07148467

ABSTRACT:
An object detecting apparatus for a vehicle has a light radiation unit and a light receiver unit disposed in a case having a light radiating window and a light receiving window for detecting an object or a distance to the object. The apparatus further has a case inside condition sensor for detecting a case inside condition, which changes when the case is broken. The case inside condition sensor may detect temperatures, humidity or pressures in the case. A breakage of the case is detected from a change in the detected case inside conditions. A case outside condition may be additionally used to detect the breakage of the case.

REFERENCES:
patent: 5243326 (1993-09-01), Disabato
patent: 5689328 (1997-11-01), Katayama
patent: 2002-031685 (2002-01-01), None

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