FR2492211A1 - Appareil generateur de lumiere-eclair electrique - Google Patents

Appareil generateur de lumiere-eclair electrique Download PDF

Info

Publication number
FR2492211A1
FR2492211A1 FR8119358A FR8119358A FR2492211A1 FR 2492211 A1 FR2492211 A1 FR 2492211A1 FR 8119358 A FR8119358 A FR 8119358A FR 8119358 A FR8119358 A FR 8119358A FR 2492211 A1 FR2492211 A1 FR 2492211A1
Authority
FR
France
Prior art keywords
circuit
oscillator
voltage
capacitor
switch
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.)
Granted
Application number
FR8119358A
Other languages
English (en)
French (fr)
Other versions
FR2492211B3 (enExample
Inventor
Yoshiyuki Takematsu
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.)
Fuji Koeki Corp
Original Assignee
Fuji Koeki Corp
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 Fuji Koeki Corp filed Critical Fuji Koeki Corp
Publication of FR2492211A1 publication Critical patent/FR2492211A1/fr
Application granted granted Critical
Publication of FR2492211B3 publication Critical patent/FR2492211B3/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/30Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05Combinations of cameras with electronic flash apparatus; Electronic flash units
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2215/00Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05Combinations of cameras with electronic flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
FR8119358A 1980-10-15 1981-10-14 Appareil generateur de lumiere-eclair electrique Granted FR2492211A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55144801A JPS5767918A (en) 1980-10-15 1980-10-15 Flash device

Publications (2)

Publication Number Publication Date
FR2492211A1 true FR2492211A1 (fr) 1982-04-16
FR2492211B3 FR2492211B3 (enExample) 1983-08-19

Family

ID=15370773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119358A Granted FR2492211A1 (fr) 1980-10-15 1981-10-14 Appareil generateur de lumiere-eclair electrique

Country Status (5)

Country Link
JP (1) JPS5767918A (enExample)
DE (1) DE3140828A1 (enExample)
FR (1) FR2492211A1 (enExample)
GB (1) GB2088157A (enExample)
NL (1) NL8104680A (enExample)

Families Citing this family (2)

* 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
US4613847A (en) * 1983-08-08 1986-09-23 Life Light Systems Emergency signal

Also Published As

Publication number Publication date
JPS5767918A (en) 1982-04-24
GB2088157A (en) 1982-06-03
DE3140828A1 (de) 1982-07-15
FR2492211B3 (enExample) 1983-08-19
NL8104680A (nl) 1982-05-03

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Legal Events

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ST Notification of lapse