FR2454637A1 - Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique - Google Patents

Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique

Info

Publication number
FR2454637A1
FR2454637A1 FR8006491A FR8006491A FR2454637A1 FR 2454637 A1 FR2454637 A1 FR 2454637A1 FR 8006491 A FR8006491 A FR 8006491A FR 8006491 A FR8006491 A FR 8006491A FR 2454637 A1 FR2454637 A1 FR 2454637A1
Authority
FR
France
Prior art keywords
electronic flash
control device
photographic apparatus
timing
exposure control
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
FR8006491A
Other languages
English (en)
Other versions
FR2454637B1 (fr
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
Publication of FR2454637A1 publication Critical patent/FR2454637A1/fr
Application granted granted Critical
Publication of FR2454637B1 publication Critical patent/FR2454637B1/fr
Expired 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)

Abstract

L'INVENTION CONCERNE UN DISPOSITIF DE COMMANDE D'EXPOSITION UTILISABLE AVEC UN APPAREIL PHOTOGRAPHIQUE A COMMANDE DE FLASH ELECTRONIQUE. LE DISPOSITIF EST CARACTERISE EN CE QU'IL COMPREND UN CIRCUIT DE SYNCHRONISATION 25 QUI REAGIT A UN MODE PARTICULIER DE PHOTOGRAPHIE SELECTIONNE POUR MODIFIER LA SYNCHRONISATION QUAND UN CONTACTEUR DE DECLENCHEMENT 19 EST ACTIONNE, CE CIRCUIT DE SYNCHRONISATION COMPRENANT UN COMMUTATEUR DE SELECTION DE MODE 35 ET UN CIRCUIT DESTINE A RECEVOIR UN SIGNAL DE CHARGE COMPLETE PROVENANT DU FLASH ELECTRONIQUE. APPLICATION AU DOMAINE DES APPAREILS PHOTOGRAPHIQUES.
FR8006491A 1979-04-20 1980-03-24 Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique Expired FR2454637B1 (fr)

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
FR2454637A1 true FR2454637A1 (fr) 1980-11-14
FR2454637B1 FR2454637B1 (fr) 1985-10-18

Family

ID=12810442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006491A Expired FR2454637B1 (fr) 1979-04-20 1980-03-24 Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique

Country Status (5)

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

Families Citing this family (7)

* 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
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
DE3225557C2 (de) * 1982-07-08 1985-08-14 Telefunken electronic GmbH, 7100 Heilbronn Schaltung für eine Computer-Blitzsteuerung
JPS5951335U (ja) * 1982-09-28 1984-04-04 オリンパス光学工業株式会社 Ｔｔｌオ−トストロボ発光制御回路
DD217047A1 (de) * 1983-06-01 1985-01-02 Pentacon Dresden Veb Schaltungsanordnung zur belichtungssteuerung
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
US4531078A (en) * 1983-10-27 1985-07-23 Polaroid Corporation Control circuit for electronic flash

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2340561A1 (fr) * 1976-02-04 1977-09-02 Canon Kk Dispositif de commande d'exposition pour la photographie au flash
FR2349154A1 (fr) * 1976-04-22 1977-11-18 Canon Kk Appareil photographique fonctionnant en lumiere du jour et au flash
DE2729654A1 (de) * 1976-06-30 1978-01-05 Fuji Photo Film Co Ltd Automatische blitzlichtumschaltung bei fotokameras
DE2830822A1 (de) * 1977-08-15 1979-02-01 Nippon Kogaku Kk Belichtungszeitsynchronisationswarnvorrichtung fuer eine kamera

Family Cites Families (2)

* 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
US4194818A (en) * 1978-10-23 1980-03-25 Eastman Kodak Company Electronic flash unit for fill-flash photography

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2340561A1 (fr) * 1976-02-04 1977-09-02 Canon Kk Dispositif de commande d'exposition pour la photographie au flash
FR2349154A1 (fr) * 1976-04-22 1977-11-18 Canon Kk Appareil photographique fonctionnant en lumiere du jour et au flash
DE2729654A1 (de) * 1976-06-30 1978-01-05 Fuji Photo Film Co Ltd Automatische blitzlichtumschaltung bei fotokameras
DE2830822A1 (de) * 1977-08-15 1979-02-01 Nippon Kogaku Kk Belichtungszeitsynchronisationswarnvorrichtung fuer eine kamera

Also Published As

Publication number Publication date
JPS55140825A (en) 1980-11-04
US4317621A (en) 1982-03-02
DE3015055A1 (de) 1980-10-23
GB2047907B (en) 1983-03-16
JPH0136089B2 (fr) 1989-07-28
GB2047907A (en) 1980-12-03
FR2454637B1 (fr) 1985-10-18
DE3015055C2 (de) 1982-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse