CURRENT CONTROLLING APPARATUS FOR AUTOMOTIVE LAMP
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jul 14, 2014
filing date -
Jul 16, 2013
priority date (Note) -
Abandoned
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Abstract
A current controlling apparatus for an automotive lamp is provided that adjusts a current applied to the automotive lamp that uses laser light as a light source to adjust the intensity of the laser light. The automotive lamp includes a light source that generates laser light and a phosphor excited by the generated laser light to generate light of a predetermined color. A minor is configured to transmit therethrough a first portion of the generated laser light while reflecting a second portion of the generated laser light. A light receiver is configured to receive reflected laser light from the minor and output an output signal based on an intensity of the received laser light. In addition, a controller is configured to detect an intensity of the generated laser light based on the output signal and adjust a current applied to the light source based on results of the detection.
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