JPS59119597U - lighting circuit - Google Patents
lighting circuitInfo
- Publication number
- JPS59119597U JPS59119597U JP1425683U JP1425683U JPS59119597U JP S59119597 U JPS59119597 U JP S59119597U JP 1425683 U JP1425683 U JP 1425683U JP 1425683 U JP1425683 U JP 1425683U JP S59119597 U JPS59119597 U JP S59119597U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- lighting circuit
- light emitting
- driving
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は電子写真複写機の原理図、第2図は本考案の一
実施例の点灯回路の回路図である。
1・・・感光ドラム、2・・・帯電極、3・・・原稿、
4・・・ランプ、5・・・現像部、6・・・転写極、7
・・・分離極、8・・・クリーナ、9・・・検知器。FIG. 1 is a principle diagram of an electrophotographic copying machine, and FIG. 2 is a circuit diagram of a lighting circuit according to an embodiment of the present invention. 1... Photosensitive drum, 2... Charging electrode, 3... Document,
4... Lamp, 5... Developing section, 6... Transfer pole, 7
... Separation electrode, 8 ... Cleaner, 9 ... Detector.
Claims (1)
子と、第2の発光素子を駆動するための第2のスイッチ
ング素子と、上記第1の発光素子の正常・断線に対応し
て上記第2のスイッチング素子を遮断・導通させる第3
のスイッチング素子と、上記第2の発光素子の正常・断
線に対応して上記第1のスイッチング素子を遮断・導通
させる第4のスイッチング素子とで成ることを特徴とす
る点灯回路。A first switching element for driving the first light emitting element, a second switching element for driving the second light emitting element, and a first switching element for driving the first light emitting element, A third element that cuts off and conducts the switching element of the second element.
A lighting circuit comprising a switching element and a fourth switching element that cuts off or conducts the first switching element in response to the normality or disconnection of the second light emitting element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1425683U JPS59119597U (en) | 1983-02-02 | 1983-02-02 | lighting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1425683U JPS59119597U (en) | 1983-02-02 | 1983-02-02 | lighting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59119597U true JPS59119597U (en) | 1984-08-11 |
Family
ID=30145628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1425683U Pending JPS59119597U (en) | 1983-02-02 | 1983-02-02 | lighting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59119597U (en) |
-
1983
- 1983-02-02 JP JP1425683U patent/JPS59119597U/en active Pending
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