Light control switch
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United States of America Patent
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Sep 5, 2017
Grant Date -
N/A
app pub date -
Jul 25, 2016
filing date -
May 13, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An automatic light control switch includes: a housing configured to receive an optical fiber; a built-in light sensor located in the housing and configured to directly detect light through the housing; an external light sensor located in the housing and shielded from light, the external light sensor being configured to be coupled to the optical fiber and to detect light transmitted by the optical fiber; and a drive controller configured to: determine, automatically, a usage condition as one of an indoor condition and an outdoor condition in accordance with a condition signal; in response to determining that the usage condition is the indoor condition, disable the built-in light sensor and enable the external light sensor; and in response to determining that the usage condition is the outdoor condition, enable the built-in light sensor and disable the external light sensor.
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