DE2816794C3 - Elektronisches Blitzlichtgerät - Google Patents

Elektronisches Blitzlichtgerät

Info

Publication number
DE2816794C3
DE2816794C3 DE2816794A DE2816794A DE2816794C3 DE 2816794 C3 DE2816794 C3 DE 2816794C3 DE 2816794 A DE2816794 A DE 2816794A DE 2816794 A DE2816794 A DE 2816794A DE 2816794 C3 DE2816794 C3 DE 2816794C3
Authority
DE
Germany
Prior art keywords
voltage
winding
additional
resistor
emitting diode
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
DE2816794A
Other languages
German (de)
English (en)
Other versions
DE2816794B2 (de
DE2816794A1 (de
Inventor
Kazuo Neyagawa Tanaka (Japan)
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 OSAKA (JAPAN)
Original Assignee
WEST ELECTRIC CO Ltd OSAKA (JAPAN)
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 WEST ELECTRIC CO Ltd OSAKA (JAPAN) filed Critical WEST ELECTRIC CO Ltd OSAKA (JAPAN)
Publication of DE2816794A1 publication Critical patent/DE2816794A1/de
Publication of DE2816794B2 publication Critical patent/DE2816794B2/de
Application granted granted Critical
Publication of DE2816794C3 publication Critical patent/DE2816794C3/de
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Audible And Visible Signals (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Dc-Dc Converters (AREA)
DE2816794A 1977-04-19 1978-04-18 Elektronisches Blitzlichtgerät Expired DE2816794C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977049878U JPS6025051Y2 (ja) 1977-04-19 1977-04-19 電子閃光装置

Publications (3)

Publication Number Publication Date
DE2816794A1 DE2816794A1 (de) 1978-10-26
DE2816794B2 DE2816794B2 (de) 1980-04-30
DE2816794C3 true DE2816794C3 (de) 1981-02-05

Family

ID=12843294

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2816794A Expired DE2816794C3 (de) 1977-04-19 1978-04-18 Elektronisches Blitzlichtgerät

Country Status (4)

Country Link
US (1) US4197484A (cg-RX-API-DMAC7.html)
JP (1) JPS6025051Y2 (cg-RX-API-DMAC7.html)
DE (1) DE2816794C3 (cg-RX-API-DMAC7.html)
GB (1) GB1568796A (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57629A (en) * 1980-06-03 1982-01-05 Nippon Kogaku Kk <Nikon> Display device for camera
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
US5065142A (en) * 1990-05-23 1991-11-12 Service Machine Company Voltage pickup circuit and flashing display for high voltage indicator device, and input electrode therefor
US5051733A (en) * 1990-05-23 1991-09-24 Service Machine Company High voltage indicator device
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831079A (en) * 1971-06-14 1974-08-20 West Electric Co Electronic photographic flash apparatus
US4068150A (en) * 1975-03-14 1978-01-10 West Electric Co., Ltd. Voltage indication means for an electronic flashing device

Also Published As

Publication number Publication date
US4197484A (en) 1980-04-08
DE2816794B2 (de) 1980-04-30
JPS6025051Y2 (ja) 1985-07-27
DE2816794A1 (de) 1978-10-26
JPS53144342U (cg-RX-API-DMAC7.html) 1978-11-14
GB1568796A (en) 1980-06-04

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)