Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2007-07-24
2007-07-24
Epps, Georgia (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S574000, C340S602000, C340S438000, C073S029010, C073S029040, C073S029050
Reexamination Certificate
active
11474337
ABSTRACT:
An image processing system includes a lamp which emits light to a glass, an imaging device which captures light which is emitted from the lamp and reflected by the glass, and an optical filter, located between the glass and the imaging device, which transmits rays with a specific wavelength of the reflected light. A lens is provided in front of the imaging device, and a focus of the lens is adjusted to a point beyond the glass, and an image processor is provided which processes an image captured by the imaging device and detects moisture on the glass.
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Sensors And Microsystems, Proceedings of the 8th Italian Conference, Trento, Italy, Feb. 12-14, 2003, Pallaro et al, pp. 534-539 XP008060324.
Fukuhara Masaaki
Furusawa Isao
Kasuya Hiroyuki
Monji Tatsuhiko
Muramatsu Shoji
Epps Georgia
Monbleau Davienne
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