CA1042512A - Voltage indication means of an electronic flashing device - Google Patents

Voltage indication means of an electronic flashing device

Info

Publication number
CA1042512A
CA1042512A CA247,825A CA247825A CA1042512A CA 1042512 A CA1042512 A CA 1042512A CA 247825 A CA247825 A CA 247825A CA 1042512 A CA1042512 A CA 1042512A
Authority
CA
Canada
Prior art keywords
voltage
capacitor
indication device
light emitting
winding
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.)
Expired
Application number
CA247,825A
Other languages
English (en)
French (fr)
Other versions
CA247825S (en
Inventor
Tetsuo Yamaoka
Hiroshi Iwata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
West Electric Co Ltd
Original Assignee
West Electric Co Ltd
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
Priority claimed from JP3167275A external-priority patent/JPS51108835A/ja
Priority claimed from JP3167375A external-priority patent/JPS51108836A/ja
Priority claimed from JP15265275A external-priority patent/JPS5275432A/ja
Application filed by West Electric Co Ltd filed Critical West Electric Co Ltd
Application granted granted Critical
Publication of CA1042512A publication Critical patent/CA1042512A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CA247,825A 1975-03-14 1976-03-12 Voltage indication means of an electronic flashing device Expired CA1042512A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3167275A JPS51108835A (ja) 1975-03-14 1975-03-14 Shashinyosenkosochi
JP3167375A JPS51108836A (ja) 1975-03-14 1975-03-14 Shashinyosenkosochi
JP15265275A JPS5275432A (en) 1975-12-19 1975-12-19 Electronic flash unit

Publications (1)

Publication Number Publication Date
CA1042512A true CA1042512A (en) 1978-11-14

Family

ID=27287409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247,825A Expired CA1042512A (en) 1975-03-14 1976-03-12 Voltage indication means of an electronic flashing device

Country Status (5)

Country Link
US (1) US4068150A (https=)
CA (1) CA1042512A (https=)
DE (1) DE2610424C2 (https=)
FR (1) FR2304242A1 (https=)
GB (1) GB1544837A (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716824C2 (de) * 1976-04-16 1982-11-18 Fuji Photo Optical Co., Ltd., Omiya, Saitama Elektronisches Blitzlichtgerät
JPS6025051Y2 (ja) * 1977-04-19 1985-07-27 ウエスト電気株式会社 電子閃光装置
JPS54140531A (en) * 1978-04-24 1979-10-31 Olympus Optical Co Ltd Strobo voltage confirming device
JPS54156630A (en) * 1978-05-31 1979-12-10 Olympus Optical Co Ltd Camera having operation display means of automatic dimmer type strobe
JPS56125962A (en) * 1980-03-10 1981-10-02 Canon Inc Power source voltage detector
JPS5714831A (en) * 1980-07-01 1982-01-26 West Electric Co Ltd Electronic flash device
US4496939A (en) * 1982-06-04 1985-01-29 Eastman Kodak Company Power indicator apparatus for a DC to DC flyback converter
JPS61152190U (https=) * 1985-03-06 1986-09-20
US5068575A (en) * 1991-02-21 1991-11-26 Eastman Kodak Company Indirect storage capacitor voltage sensing means for a flyback type DC-to-DC converter
CN1088201C (zh) * 1994-05-18 2002-07-24 富士摄影胶片公司 装有镜头的照相胶卷单元和用于该单元的电子闪光装置
JP3432017B2 (ja) * 1994-10-17 2003-07-28 富士写真フイルム株式会社 ストロボ回路
US5781804A (en) * 1996-11-19 1998-07-14 Eastman Kodak Company Single touch flash charger circuit with timer control
US5814948A (en) * 1997-01-14 1998-09-29 Eastman Kodak Company Flash circuit for low cost cameras
US6061528A (en) * 1997-05-08 2000-05-09 Canon Kabushiki Kaisha Flash device
TW364070B (en) * 1997-12-17 1999-07-11 Fuji Photo Film Kk Lens-fitted photo film unit and flash device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2058679C3 (de) * 1969-12-01 1979-09-20 Canon K.K., Tokio Einrichtung für ein elektronisches Blitzgerät für photographische Zwecke zur Ermittlung einer Blendenzahl
US3831079A (en) * 1971-06-14 1974-08-20 West Electric Co Electronic photographic flash apparatus
FR2142735B1 (https=) * 1971-06-24 1973-06-29 West Electric Co

Also Published As

Publication number Publication date
DE2610424A1 (de) 1977-02-03
FR2304242B1 (https=) 1981-12-04
DE2610424C2 (de) 1982-05-06
FR2304242A1 (fr) 1976-10-08
US4068150A (en) 1978-01-10
GB1544837A (en) 1979-04-25

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