GB2072359A - Electronic Flash - Google Patents

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Info

Publication number
GB2072359A
GB2072359A GB8104506A GB8104506A GB2072359A GB 2072359 A GB2072359 A GB 2072359A GB 8104506 A GB8104506 A GB 8104506A GB 8104506 A GB8104506 A GB 8104506A GB 2072359 A GB2072359 A GB 2072359A
Authority
GB
United Kingdom
Prior art keywords
flash
circuit
voltage
light
flash light
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.)
Withdrawn
Application number
GB8104506A
Other languages
English (en)
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
Priority claimed from JP1627280A external-priority patent/JPS56119120A/ja
Priority claimed from JP6987480A external-priority patent/JPS56165128A/ja
Application filed by Fuji Koeki Corp filed Critical Fuji Koeki Corp
Publication of GB2072359A publication Critical patent/GB2072359A/en
Withdrawn legal-status Critical Current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
    • H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Stroboscope Apparatuses (AREA)
GB8104506A 1980-02-13 1981-02-13 Electronic Flash Withdrawn GB2072359A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1627280A JPS56119120A (en) 1980-02-13 1980-02-13 Flashing device
JP6987480A JPS56165128A (en) 1980-05-26 1980-05-26 Flashing device

Publications (1)

Publication Number Publication Date
GB2072359A true GB2072359A (en) 1981-09-30

Family

ID=26352575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8104506A Withdrawn GB2072359A (en) 1980-02-13 1981-02-13 Electronic Flash

Country Status (5)

Country Link
DE (1) DE3105152A1 (lm)
FR (1) FR2475838A1 (lm)
GB (1) GB2072359A (lm)
IT (1) IT1142305B (lm)
NL (1) NL8100679A (lm)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125975A (en) * 1982-07-08 1984-03-14 Telefunken Electronic Gmbh Circuit for photoflash control
GB2238625A (en) * 1989-12-01 1991-06-05 Asahi Optical Co Ltd Release switch for a camera
EP0773469A1 (en) * 1995-11-13 1997-05-14 Eastman Kodak Company Digitally controlled quench flash circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711330A (en) * 1980-06-25 1982-01-21 Fuji Koeki Kk Flashing device
JPS58190931A (ja) * 1982-04-30 1983-11-08 Olympus Optical Co Ltd オ−トストロボの露光適否表示装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125975A (en) * 1982-07-08 1984-03-14 Telefunken Electronic Gmbh Circuit for photoflash control
GB2238625A (en) * 1989-12-01 1991-06-05 Asahi Optical Co Ltd Release switch for a camera
US5072248A (en) * 1989-12-01 1991-12-10 Asahi Kogaku Kogyo Kabushiki Kaisha Release switch apparatus
GB2238625B (en) * 1989-12-01 1994-01-12 Asahi Optical Co Ltd Release switch apparatus
USRE36726E (en) * 1989-12-01 2000-06-06 Asahi Kogaku Kogyo Kabushiki Kaisha Release switch apparatus
EP0773469A1 (en) * 1995-11-13 1997-05-14 Eastman Kodak Company Digitally controlled quench flash circuit
US5682562A (en) * 1995-11-13 1997-10-28 Eastman Kodak Company Digitally controlled quench flash circuit

Also Published As

Publication number Publication date
FR2475838B3 (lm) 1982-12-10
FR2475838A1 (fr) 1981-08-14
DE3105152A1 (de) 1982-02-11
NL8100679A (nl) 1981-09-16
IT1142305B (it) 1986-10-08
IT8147777A0 (it) 1981-02-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)