Power supply circuit for a diode adapted to emit light in dependence of the prevailing surrounding light
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United States of America Patent
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Feb 14, 1989
Grant Date -
N/A
app pub date -
Mar 29, 1988
filing date -
Apr 8, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A power supply circuit for a light emitting diode may be adjusted automatically by the voltage of a solar cell which is a power source in the circuit by including in the circuit a series connected current regulator governed by said voltage of said solar cell.
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