PROBLEM TO BE SOLVED: To provide a luminance control device and a luminance control method capable of acquiring high luminance from a light emitter for a railroad using a light-emitting element.SOLUTION: A luminance control device 1 includes an LED 11 (a light-emitting element) for emitting light by receiving current, a memory 4 (one example of a storage part) for storing a table 4A including information showing a relation between a duty ratio of the LED 11 and a current value allowed by the duty ratio, and a CPU 2 (one example, a luminance control part) for controlling a luminance of the LED 11. The CPU 2 controls the duty ratio acquired from the table 4A of the memory 4, and the luminance of the LED 11 with a current value allowed in the duty ratio.SELECTED DRAWING: Figure 1
【課題】 発光素子を用いた鉄道用発光機から高い輝度を得ることができる輝度制御装置および輝度制御方法を提供する。【解決手段】 輝度制御装置1は、電流が供給されることで発光するLED11(発光素子)と、LED11のデューティ比と、デューティ比で許容される電流値との関係を示す情報を含むテーブル4Aを記憶するメモリ4(記憶部の一例)と、LED11の輝度を制御するCPU2(輝度制御部の一例)とを有し、CPU2は、メモリ4のテーブル4Aから取得したデューティ比と、そのデューティ比にて許容される電流値でLED11の輝度を制御する。【選択図】図1
LUMINANCE CONTROL DEVICE AND LUMINANCE CONTROL METHOD IN RAILROAD
鉄道における輝度制御装置および輝度制御方法
2016-08-18
Patent
Electronic Resource
Japanese
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