JPH0121598B2 - - Google Patents

Info

Publication number
JPH0121598B2
JPH0121598B2 JP56088899A JP8889981A JPH0121598B2 JP H0121598 B2 JPH0121598 B2 JP H0121598B2 JP 56088899 A JP56088899 A JP 56088899A JP 8889981 A JP8889981 A JP 8889981A JP H0121598 B2 JPH0121598 B2 JP H0121598B2
Authority
JP
Japan
Prior art keywords
voltage
capacitor
oscillation
comparator
level
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
JP56088899A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57205998A (en
Inventor
Koichi Oomori
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP56088899A priority Critical patent/JPS57205998A/ja
Priority to US06/383,247 priority patent/US4430602A/en
Priority to DE19823222135 priority patent/DE3222135A1/de
Publication of JPS57205998A publication Critical patent/JPS57205998A/ja
Publication of JPH0121598B2 publication Critical patent/JPH0121598B2/ja
Granted 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

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Stroboscope Apparatuses (AREA)
JP56088899A 1981-06-11 1981-06-11 Electronic flashing device Granted JPS57205998A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56088899A JPS57205998A (en) 1981-06-11 1981-06-11 Electronic flashing device
US06/383,247 US4430602A (en) 1981-06-11 1982-05-28 Electronic flash device
DE19823222135 DE3222135A1 (de) 1981-06-11 1982-06-11 Elektronisches blitzgeraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56088899A JPS57205998A (en) 1981-06-11 1981-06-11 Electronic flashing device

Publications (2)

Publication Number Publication Date
JPS57205998A JPS57205998A (en) 1982-12-17
JPH0121598B2 true JPH0121598B2 (en]) 1989-04-21

Family

ID=13955800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56088899A Granted JPS57205998A (en) 1981-06-11 1981-06-11 Electronic flashing device

Country Status (3)

Country Link
US (1) US4430602A (en])
JP (1) JPS57205998A (en])
DE (1) DE3222135A1 (en])

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530550A (en) * 1982-09-13 1985-07-23 Olympus Optical Company Ltd. Power supply unit for electronic flash
US4628229A (en) * 1983-02-15 1986-12-09 Olympus Optical Company, Ltd Flashlight emission apparatus
US4578542A (en) * 1984-05-07 1986-03-25 Alderman Robert J Line powered flasher circuit for ringing signal
US4623824A (en) 1984-06-07 1986-11-18 Life Light Systems Controlled high voltage generator
JPH0680599B2 (ja) * 1984-07-31 1994-10-12 株式会社ニコン 電子閃光装置
US4942340A (en) * 1984-10-23 1990-07-17 Canon Kabushiki Kaisha Arrangement for displaying operation of booster circuit for flash device camera
JPS62164323U (en]) * 1986-04-08 1987-10-19
US5045876A (en) * 1988-08-03 1991-09-03 Canon Kabushiki Kaisha Camera with flash device
JP2637225B2 (ja) * 1989-03-15 1997-08-06 富士写真フイルム株式会社 カメラのストロボ用充電制御回路
JPH03237441A (ja) * 1990-02-14 1991-10-23 Nikon Corp ストロボ用外部電源
US5101335A (en) * 1990-12-26 1992-03-31 Eastman Kodak Company DC-to-DC converter using coupled inductor current sensing and predetermined on time
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
US5276477A (en) * 1993-03-18 1994-01-04 Eastman Kodak Company Camera display circuit
JP3947306B2 (ja) * 1998-05-26 2007-07-18 富士フイルム株式会社 ストロボ装置
JP2014089390A (ja) * 2012-10-31 2014-05-15 Nissei Kogyo Yugenkoshi ストロボ装置およびその電力供給方法
IL273496A (en) * 2020-03-22 2021-09-30 Irp Nexus Group Ltd A system and application for managing a battery array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260628B (de) * 1958-09-27 1968-02-08 Robert Bosch Elektronik Elektronisches Blitzgeraet mit einem Speicherkondensator
US3822393A (en) * 1972-10-11 1974-07-02 Berkey Photo Inc Electronic strobe
JPS51117624A (en) 1975-04-08 1976-10-15 Canon Inc Flashlight unit warning circuit
JPS54140531A (en) 1978-04-24 1979-10-31 Olympus Optical Co Ltd Strobo voltage confirming device

Also Published As

Publication number Publication date
US4430602A (en) 1984-02-07
DE3222135A1 (de) 1983-01-20
JPS57205998A (en) 1982-12-17

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