JPS55140825A - Exposure control unit for single-lens reflex camera having strobe control function - Google Patents

Exposure control unit for single-lens reflex camera having strobe control function

Info

Publication number
JPS55140825A
JPS55140825A JP4869579A JP4869579A JPS55140825A JP S55140825 A JPS55140825 A JP S55140825A JP 4869579 A JP4869579 A JP 4869579A JP 4869579 A JP4869579 A JP 4869579A JP S55140825 A JPS55140825 A JP S55140825A
Authority
JP
Japan
Prior art keywords
time
circuit
delay
strobe
turned
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
JP4869579A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0136089B2 (en]
Inventor
Kazunori Mizogami
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP4869579A priority Critical patent/JPS55140825A/ja
Priority to US06/126,662 priority patent/US4317621A/en
Priority to FR8006491A priority patent/FR2454637B1/fr
Priority to DE3015055A priority patent/DE3015055C2/de
Priority to GB8012792A priority patent/GB2047907B/en
Publication of JPS55140825A publication Critical patent/JPS55140825A/ja
Publication of JPH0136089B2 publication Critical patent/JPH0136089B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • 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)
  • Exposure Control For Cameras (AREA)
JP4869579A 1979-04-20 1979-04-20 Exposure control unit for single-lens reflex camera having strobe control function Granted JPS55140825A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4869579A JPS55140825A (en) 1979-04-20 1979-04-20 Exposure control unit for single-lens reflex camera having strobe control function
US06/126,662 US4317621A (en) 1979-04-20 1980-03-03 Exposure control apparatus for use with a camera having electronic flash controlling capability
FR8006491A FR2454637B1 (fr) 1979-04-20 1980-03-24 Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique
DE3015055A DE3015055C2 (de) 1979-04-20 1980-04-18 Belichtungssteuerschaltung
GB8012792A GB2047907B (en) 1979-04-20 1980-04-18 Cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4869579A JPS55140825A (en) 1979-04-20 1979-04-20 Exposure control unit for single-lens reflex camera having strobe control function

Publications (2)

Publication Number Publication Date
JPS55140825A true JPS55140825A (en) 1980-11-04
JPH0136089B2 JPH0136089B2 (en]) 1989-07-28

Family

ID=12810442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4869579A Granted JPS55140825A (en) 1979-04-20 1979-04-20 Exposure control unit for single-lens reflex camera having strobe control function

Country Status (5)

Country Link
US (1) US4317621A (en])
JP (1) JPS55140825A (en])
DE (1) DE3015055C2 (en])
FR (1) FR2454637B1 (en])
GB (1) GB2047907B (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100838A (ja) * 1981-12-11 1983-06-15 Olympus Optical Co Ltd ストロボ制御機能を有したフイルム面反射測光式カメラの測光制御装置
JPS6012534A (ja) * 1983-07-02 1985-01-22 Ricoh Co Ltd オ−トストロボにおける調光制御装置
US4509845A (en) * 1982-09-28 1985-04-09 Olympus Optical Company Ltd. Apparatus for controlling the emission of an electronic flash
JPS60103334A (ja) * 1983-10-27 1985-06-07 ポラロイド　コーポレーシヨン 電子フラツシユの制御装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457602A (en) * 1981-04-20 1984-07-03 Olympus Optical Company Ltd. Multiple light emission control system utilizing electronic flashes
DE3225557C2 (de) * 1982-07-08 1985-08-14 Telefunken electronic GmbH, 7100 Heilbronn Schaltung für eine Computer-Blitzsteuerung
DD217047A1 (de) * 1983-06-01 1985-01-02 Pentacon Dresden Veb Schaltungsanordnung zur belichtungssteuerung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226829A (en) * 1975-08-25 1977-02-28 Olympus Optical Co Ltd Daylight strobo device for the electronic shutter camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294128A (en) * 1976-02-04 1977-08-08 Canon Inc Exposure control systemfor flash shooting
FR2349154A1 (fr) * 1976-04-22 1977-11-18 Canon Kk Appareil photographique fonctionnant en lumiere du jour et au flash
JPS533331A (en) * 1976-06-30 1978-01-13 Fuji Photo Film Co Ltd Auto, flash automatic change device for camera
US4199236A (en) * 1977-07-22 1980-04-22 Nippon Kogaku K.K. Synchronizing speed warning apparatus for camera
US4194818A (en) * 1978-10-23 1980-03-25 Eastman Kodak Company Electronic flash unit for fill-flash photography

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226829A (en) * 1975-08-25 1977-02-28 Olympus Optical Co Ltd Daylight strobo device for the electronic shutter camera

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100838A (ja) * 1981-12-11 1983-06-15 Olympus Optical Co Ltd ストロボ制御機能を有したフイルム面反射測光式カメラの測光制御装置
US4509845A (en) * 1982-09-28 1985-04-09 Olympus Optical Company Ltd. Apparatus for controlling the emission of an electronic flash
JPS6012534A (ja) * 1983-07-02 1985-01-22 Ricoh Co Ltd オ−トストロボにおける調光制御装置
JPS60103334A (ja) * 1983-10-27 1985-06-07 ポラロイド　コーポレーシヨン 電子フラツシユの制御装置

Also Published As

Publication number Publication date
FR2454637A1 (fr) 1980-11-14
US4317621A (en) 1982-03-02
DE3015055A1 (de) 1980-10-23
GB2047907A (en) 1980-12-03
FR2454637B1 (fr) 1985-10-18
DE3015055C2 (de) 1982-04-08
JPH0136089B2 (en]) 1989-07-28
GB2047907B (en) 1983-03-16

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