Rain sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 4, 2007
app pub date -
Mar 30, 2007
filing date -
Mar 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In the rain sensor, the prism includes the first and the second lens surfaces at the light-emitting side and the light-receiving side on optical axes each differently directed. The prism also includes a first reflection wall which reflects the light injecting the first lens surface at the light-emitting side toward the first detection surfaces of the windshield panel, and a second reflection wall which reflects the light injecting from the second lens surface at the light-emitting side to be reflected on second detection surfaces of the windshield panel toward the second lens surface at the light-receiving side. The light reflected on the first detection surface is condensed to inject the light-receiving element from the first lens surfaces, and the light reflected on the second detection surfaces is condensed to inject the light-receiving element from the second lens surface through reflection on the second reflection wall.
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