JPS57142626A - Preventing device for wasteful consumption of electric power source in flash camera - Google Patents

Preventing device for wasteful consumption of electric power source in flash camera

Info

Publication number
JPS57142626A
JPS57142626A JP56029157A JP2915781A JPS57142626A JP S57142626 A JPS57142626 A JP S57142626A JP 56029157 A JP56029157 A JP 56029157A JP 2915781 A JP2915781 A JP 2915781A JP S57142626 A JPS57142626 A JP S57142626A
Authority
JP
Japan
Prior art keywords
timer circuit
power source
electric power
converter
wasteful consumption
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
JP56029157A
Other languages
English (en)
Japanese (ja)
Other versions
JPH023976B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hiroshi Iwata
Tetsuo Yamaoka
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
Original Assignee
West Electric Co Ltd
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 filed Critical West Electric Co Ltd
Priority to JP56029157A priority Critical patent/JPS57142626A/ja
Priority to US06/311,611 priority patent/US4479076A/en
Publication of JPS57142626A publication Critical patent/JPS57142626A/ja
Publication of JPH023976B2 publication Critical patent/JPH023976B2/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
    • 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

  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
JP56029157A 1980-10-15 1981-02-27 Preventing device for wasteful consumption of electric power source in flash camera Granted JPS57142626A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56029157A JPS57142626A (en) 1981-02-27 1981-02-27 Preventing device for wasteful consumption of electric power source in flash camera
US06/311,611 US4479076A (en) 1980-10-15 1981-10-15 Power saving device for electronic flash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56029157A JPS57142626A (en) 1981-02-27 1981-02-27 Preventing device for wasteful consumption of electric power source in flash camera

Publications (2)

Publication Number Publication Date
JPS57142626A true JPS57142626A (en) 1982-09-03
JPH023976B2 JPH023976B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-25

Family

ID=12268421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56029157A Granted JPS57142626A (en) 1980-10-15 1981-02-27 Preventing device for wasteful consumption of electric power source in flash camera

Country Status (1)

Country Link
JP (1) JPS57142626A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60112231U (ja) * 1983-12-29 1985-07-30 日本精密工業株式会社 閃光装置の閃光回路
JPS63264735A (ja) * 1986-12-23 1988-11-01 Asahi Optical Co Ltd フラッシュ装置のメインコンデンサ充電制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60112231U (ja) * 1983-12-29 1985-07-30 日本精密工業株式会社 閃光装置の閃光回路
JPS63264735A (ja) * 1986-12-23 1988-11-01 Asahi Optical Co Ltd フラッシュ装置のメインコンデンサ充電制御装置

Also Published As

Publication number Publication date
JPH023976B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-25

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