Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2006-04-25
2006-04-25
Luu, ThanhX (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C219S203000, C250S227250
Reexamination Certificate
active
07034326
ABSTRACT:
The present invention provides a heat-reflecting windshield that includes a laminated glass sheet and a detecting device for optically detecting a target object such as water droplets. The laminated glass sheet includes a first glass sheet, a heat-reflecting film formed on the first glass sheet, an intermediate film and a second glass sheet. The detecting device is disposed on a main surface of the laminated glass such that a light-emitting element and a light-receiving element in the device are arranged in a predetermined region of the main surface, and the predetermined region is rubbed by a windshield wiper. The heat-reflecting film includes at least three dielectric layers and at least two metal layers, and the heat-reflecting film is not formed in said predetermined region.
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patent: 5747170 (1998-05-01), Von Alpen et al.
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Honjo Seiichiro
Imanishi Hideki
Noguchi Tatsuya
Hamre Schumann Mueller & Larson P.C.
Ko Tony
Luu ThanhX
Niles Co., Ltd.
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