LED LAMP

申请公布号：JP2013084396(A)

申请号：JP20110222310

申请日期：2011.10.06

申请公布日期：2013.05.09

申请人：

IRIS OHYAMA INC

发明人：INAMURA KIMITAKA;MIYAJIMA TAKAHIRO

分类号：H05B37/02

主分类号：H05B37/02

摘要：<P>PROBLEM TO BE SOLVED: To provide an LED lamp which, when an illuminance sensor is built into the LED lamp itself attached to a lighting fixture, becomes an LED luminaire having an automatic dimmer function by only replacing the lamp, so that when a plurality of LED lamps are attached to one lighting fixture, the plurality of LED lamps will each have equalized brightness thanks to the automatic dimmer function. <P>SOLUTION: A step function which uses illuminance values obtained from illuminance sensors as variables, a feedback control having two loops including a feedback which converts target or measured illuminance values by using lamp outputs as variables, and a plurality of LED lamps 100 whose outputs are adjusted by detecting mainly the lamp light of the LED lamps 100 only are used, so that the plurality of LED lamps 100 installed in a two-lamp or a three-lamp lighting fixture will have substantially the same brightness. <P>COPYRIGHT: (C)2013,JPO&INPIT

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