GB8318293D0 - Luminance-responsive photographic flash device - Google Patents

Luminance-responsive photographic flash device

Info

Publication number
GB8318293D0
GB8318293D0 GB838318293A GB8318293A GB8318293D0 GB 8318293 D0 GB8318293 D0 GB 8318293D0 GB 838318293 A GB838318293 A GB 838318293A GB 8318293 A GB8318293 A GB 8318293A GB 8318293 D0 GB8318293 D0 GB 8318293D0
Authority
GB
United Kingdom
Prior art keywords
luminance
flash device
photographic flash
responsive
responsive photographic
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Withdrawn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
GB838318293A
Other versions
GB2123570A (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.)
TAKEMATSU Y
Fuji Koeki Corp
Original Assignee
TAKEMATSU Y
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 TAKEMATSU Y, Fuji Koeki Corp filed Critical TAKEMATSU Y
Publication of GB8318293D0 publication Critical patent/GB8318293D0/en
Publication of GB2123570A publication Critical patent/GB2123570A/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Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
GB08318293A 1982-07-13 1983-07-06 Luminance-responsive photographic flash device Withdrawn GB2123570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982105168U JPS5912135U (en) 1982-07-13 1982-07-13 Flash discharge emitter that responds to the brightness of the subject

Publications (2)

Publication Number Publication Date
GB8318293D0 true GB8318293D0 (en) 1983-08-10
GB2123570A GB2123570A (en) 1984-02-01

Family

ID=14400147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318293A Withdrawn GB2123570A (en) 1982-07-13 1983-07-06 Luminance-responsive photographic flash device

Country Status (5)

Country Link
JP (1) JPS5912135U (en)
DE (1) DE3322208A1 (en)
FR (1) FR2530353A1 (en)
GB (1) GB2123570A (en)
IT (1) IT1197673B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887120A (en) * 1984-02-04 1989-12-12 Ricoh Company, Ltd. Electronic flash photographing system
JP2868270B2 (en) * 1990-02-14 1999-03-10 旭光学工業株式会社 Camera exposure control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939418B1 (en) * 1967-03-07 1974-10-25
JPS52125318A (en) * 1976-03-17 1977-10-21 West Electric Co Flash camera
JPS53106031A (en) * 1977-02-28 1978-09-14 Asahi Optical Co Ltd Strobo luminous control device using light measuring circuit for focal plane shutter type camera

Also Published As

Publication number Publication date
DE3322208A1 (en) 1984-01-26
GB2123570A (en) 1984-02-01
FR2530353A1 (en) 1984-01-20
JPS5912135U (en) 1984-01-25
IT8348662A0 (en) 1983-07-11
IT1197673B (en) 1988-12-06

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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)