Spherical photoelectric sensor
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United States of America Patent
Stats
-
Oct 30, 1990
Grant Date -
N/A
app pub date -
Dec 14, 1988
filing date -
Aug 2, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spherical photoelectric sensor comprising: a semispherical optical body including a light transmitting means having a light transmitting lens, and a light receiving lens means; and a semispherical electronic circuit block. The light transmitting means is formed in a recess of a semispherical transparent lens body and includes: a casing having a light emitting element on its bottom; and a light transmitting lens fitted in the casing and having a surface communicated with a surface of the transparent lens body. The light receiving lens means includes: the transparent lens body; a concave mirror formed at a rear side thereof; a convex mirror formed on an outer bottom of the casing to oppose to the concave mirror; and a light collecting lens formed on a center thereof. The light collected by the light receiving lens is received by the light receiving element in the electronic circuit block.
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