JPS59119597U

JPS59119597U - lighting circuit

Info

Publication number: JPS59119597U
Application number: JP1425683U
Authority: JP
Inventors: 堀内　立美; 桜井　勲; 板倉　治男
Original assignee: コニカ株式会社
Priority date: 1983-02-02
Filing date: 1983-02-02
Publication date: 1984-08-11

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

[Brief explanation of the drawing]

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

[Scope of utility model registration request]

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.