Photoelectric sensor
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United States of America Patent
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Dec 20, 1988
Grant Date -
N/A
app pub date -
Apr 29, 1987
filing date -
Apr 29, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photoelectric sensor comprises a light collecting block having a reflective mirror formed on an inner surface of a light transmitting window and a concave mirror including a light passing portion, whereby the reflective mirror is opposed to the concave mirror. Further, the photoelectric sensor comprises an electronic circuit block having a photoelectric element, a plurality of electronic components and a wiring substrate, wherein the photoelectric element is positioned on a light collecting point of the light collecting block.
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