Light and light sensor
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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
Mar 14, 2013
filing date -
Oct 24, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system of LED-based lights comprises first and second LED-based light having respective first and second electrical connectors configured for engagement with first and second conventional fluorescent fixtures, first and second LEDs configured to produce light in an area when the first and second electrical connectors are engaged with the first and second fixtures and first and second controllers electrically coupled to the first and second LEDs; and one or more sensors operable to detect a brightness level in the area and output respectively one or more signals indicative of the brightness level, wherein: the first and second controllers are configured to control an amount of power provided to the respective first and second LEDs at least partially based on a signal to adjust the light produced in the area towards a desired brightness level.
First Claim
Family
International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21S:NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
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