JPS6044398U - Charging completion display device for flash photography - Google Patents

Charging completion display device for flash photography

Info

Publication number
JPS6044398U
JPS6044398U JP10561384U JP10561384U JPS6044398U JP S6044398 U JPS6044398 U JP S6044398U JP 10561384 U JP10561384 U JP 10561384U JP 10561384 U JP10561384 U JP 10561384U JP S6044398 U JPS6044398 U JP S6044398U
Authority
JP
Japan
Prior art keywords
display device
flash photography
main capacitor
charging completion
completion display
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
Application number
JP10561384U
Other languages
Japanese (ja)
Inventor
善蔵 中村
打土井　正憲
哲也 田口
恒川　十九一
相沢　紘
高志 内山
Original Assignee
キヤノン株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by キヤノン株式会社 filed Critical キヤノン株式会社
Priority to JP10561384U priority Critical patent/JPS6044398U/en
Publication of JPS6044398U publication Critical patent/JPS6044398U/en
Pending legal-status Critical Current

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  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Stroboscope Apparatuses (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の充電完了表示装置の一実施例の回路接
続図。第２図は本考案の充電完了表示装置の他の実施例
の回路接続図を夫々示すものである。 図において、２・・・・・・電池、４・・・・・・トラ
ンジスタ、６・・・・・・主コンデンサ、７，８・・・
・・・抵抗、９・・・・・・ツェナーダイオード、１０
・・・・・・ＦＥＴ、１１・・・・・・発光ダイオード
、１５・・・・・・可変抵抗である。FIG. 1 is a circuit connection diagram of an embodiment of the charging completion display device of the present invention. FIG. 2 shows circuit connection diagrams of other embodiments of the charging completion display device of the present invention. In the figure, 2...Battery, 4...Transistor, 6...Main capacitor, 7, 8...
...Resistance, 9...Zener diode, 10
... FET, 11 ... light emitting diode, 15 ... variable resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光エネルギーが蓄積される主コンデンサの充電電圧を
検出する検出手段と、該検出手段の出力に応答して作動
するスイッチング手段と、前記主コンデンサにエネルギ
ーを供給する電源に接続され、前記スイッチング手段の
作動に応答して動作状態になると共に定電流を表示手段
に印加する定電流回路とを有し、カメラのファインダ内
に設けられた第１表示部材と共に前記ファインダ内に設
けられた前記表示手段を前記主コンデンサの充電電圧が
所定値に達した時に点灯する様にしたことを特徴とする
閃光撮影用充電完了表示装置。a detection means for detecting a charging voltage of a main capacitor in which luminous energy is stored; a switching means operated in response to the output of the detection means; and a switching means connected to a power supply supplying energy to the main capacitor. and a constant current circuit that enters an operating state in response to an operation and applies a constant current to the display means, and the display means provided in the finder together with a first display member provided in the finder of the camera. A charging completion display device for flash photography, characterized in that the device lights up when the charging voltage of the main capacitor reaches a predetermined value.
JP10561384U 1984-07-12 1984-07-12 Charging completion display device for flash photography Pending JPS6044398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10561384U JPS6044398U (en) 1984-07-12 1984-07-12 Charging completion display device for flash photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10561384U JPS6044398U (en) 1984-07-12 1984-07-12 Charging completion display device for flash photography

Publications (1)

Publication Number Publication Date
JPS6044398U true JPS6044398U (en) 1985-03-28

Family

ID=30247477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10561384U Pending JPS6044398U (en) 1984-07-12 1984-07-12 Charging completion display device for flash photography

Country Status (1)

Country Link
JP (1) JPS6044398U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964426A (en) * 1972-10-19 1974-06-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964426A (en) * 1972-10-19 1974-06-21

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