JP6598148B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP6598148B2 JP6598148B2 JP2015078195A JP2015078195A JP6598148B2 JP 6598148 B2 JP6598148 B2 JP 6598148B2 JP 2015078195 A JP2015078195 A JP 2015078195A JP 2015078195 A JP2015078195 A JP 2015078195A JP 6598148 B2 JP6598148 B2 JP 6598148B2
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- voltage
- switch
- power supply
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
2 発光部
4 コンパレータ
7 コンパレータ
12a 共通線
12b 個別線
12c 個別線
21 スイッチ
22 LEDユニット
23 分圧抵抗
41 基準電圧入力部
42 比較電圧入力部
71 ツェナーダイオード
72 ツェナーダイオード
Claims (1)
- 1本の共通線と2本の個別線との合計3本の配線によって電源部に接続される発光部を有し、この発光部内に、上記共通線と一方の個別線との間に接続されるLEDと、上記共通線と他方の個別線との間に接続される抵抗とを設け、さらに、この抵抗を短絡させるスイッチとを設けたものにおいて、上記電源部側に、上記他方の個別線に抵抗を設け、発光部側の抵抗と電源部側の抵抗との間の分圧点をコンパレータの比較電圧入力部に接続し、コンパレータの基準電圧入力部に入力される基準電圧を生成する分圧抵抗を、上記共通線に接続して、共通線の電圧を基に基準電圧を生成することを特徴とする照明装置。
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JP2015078195A JP6598148B2 (ja) | 2015-04-07 | 2015-04-07 | 照明装置 |
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JP2015078195A JP6598148B2 (ja) | 2015-04-07 | 2015-04-07 | 照明装置 |
Publications (2)
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JP2016201173A JP2016201173A (ja) | 2016-12-01 |
JP6598148B2 true JP6598148B2 (ja) | 2019-10-30 |
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JP2015078195A Active JP6598148B2 (ja) | 2015-04-07 | 2015-04-07 | 照明装置 |
Country Status (1)
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JP (1) | JP6598148B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3573946B2 (ja) * | 1998-03-13 | 2004-10-06 | 宮田工業株式会社 | 自動点消灯及びこれを使用した移動体 |
JP5241793B2 (ja) * | 2010-10-08 | 2013-07-17 | シャープ株式会社 | 電源装置及び照明装置 |
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- 2015-04-07 JP JP2015078195A patent/JP6598148B2/ja active Active
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JP2016201173A (ja) | 2016-12-01 |
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