JPS6129486B2 - - Google Patents

Info

Publication number
JPS6129486B2
JPS6129486B2 JP53082324A JP8232478A JPS6129486B2 JP S6129486 B2 JPS6129486 B2 JP S6129486B2 JP 53082324 A JP53082324 A JP 53082324A JP 8232478 A JP8232478 A JP 8232478A JP S6129486 B2 JPS6129486 B2 JP S6129486B2
Authority
JP
Japan
Prior art keywords
transistor
circuit
light
resistor
limiter
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
JP53082324A
Other languages
English (en)
Japanese (ja)
Other versions
JPS559554A (en
Inventor
Isao Kondo
Yukio Nakajima
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 JP8232478A priority Critical patent/JPS559554A/ja
Priority to FR7916253A priority patent/FR2430628A1/fr
Priority to DE19792926907 priority patent/DE2926907A1/de
Priority to GB7923102A priority patent/GB2025078A/en
Publication of JPS559554A publication Critical patent/JPS559554A/ja
Priority to FR8115825A priority patent/FR2487531A1/fr
Priority to US06/401,004 priority patent/US4457601A/en
Publication of JPS6129486B2 publication Critical patent/JPS6129486B2/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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/005—Blur detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
JP8232478A 1978-07-05 1978-07-05 Electric shutter camera Granted JPS559554A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP8232478A JPS559554A (en) 1978-07-05 1978-07-05 Electric shutter camera
FR7916253A FR2430628A1 (fr) 1978-07-05 1979-06-25 Appareil photographique a obturateur electrique
DE19792926907 DE2926907A1 (de) 1978-07-05 1979-07-03 Kamera mit elektrisch betaetigbarem verschluss
GB7923102A GB2025078A (en) 1978-07-05 1979-07-03 Photographic exposure control
FR8115825A FR2487531A1 (fr) 1978-07-05 1981-08-17 Flash electronique destine a equiper un appareil photographique a controle de sous-exposition sous eclairage au flash
US06/401,004 US4457601A (en) 1978-07-05 1982-07-22 Camera with electrical shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8232478A JPS559554A (en) 1978-07-05 1978-07-05 Electric shutter camera

Publications (2)

Publication Number Publication Date
JPS559554A JPS559554A (en) 1980-01-23
JPS6129486B2 true JPS6129486B2 (en:Method) 1986-07-07

Family

ID=13771372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8232478A Granted JPS559554A (en) 1978-07-05 1978-07-05 Electric shutter camera

Country Status (5)

Country Link
US (1) US4457601A (en:Method)
JP (1) JPS559554A (en:Method)
DE (1) DE2926907A1 (en:Method)
FR (2) FR2430628A1 (en:Method)
GB (1) GB2025078A (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848032A (ja) * 1981-09-16 1983-03-19 Minolta Camera Co Ltd 電子閃光発光装置
DE3503726A1 (de) * 1984-02-04 1985-08-08 Ricoh Co., Ltd., Tokio/Tokyo Photographisches system mit elektronenblitz
JPH022933Y2 (en:Method) * 1985-01-30 1990-01-24
US4780735A (en) * 1985-08-29 1988-10-25 Minolta Camera Kabushiki Kaisha Photographic camera
JP2801240B2 (ja) * 1989-01-23 1998-09-21 キヤノン株式会社 閃光装置
US7106007B2 (en) * 2003-12-02 2006-09-12 Inventec Multimedia & Telecom Corporation Flashlight lamp circuit with automatic light adjustment

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519879A (en) * 1968-07-25 1970-07-07 Honeywell Inc Flash apparatus with automatic light termination having gating and anticipation means
US3720144A (en) * 1969-12-10 1973-03-13 Canon Kk Flash apparatus for a camera
JPS5528047B1 (en:Method) * 1970-11-09 1980-07-25
US3846812A (en) * 1973-12-20 1974-11-05 Polaroid Corp Automatic electronic flash camera
JPS5334904Y2 (en:Method) * 1974-05-07 1978-08-26
JPS5112135A (en:Method) * 1974-07-20 1976-01-30 Nippon Kogaku Kk
JPS5136934A (en:Method) * 1974-09-24 1976-03-29 Canon Kk
JPS5144924U (en:Method) * 1974-09-30 1976-04-02
JPS5168227A (en:Method) * 1974-12-10 1976-06-12 Canon Kk
JPS52146139U (en:Method) * 1976-04-30 1977-11-05
FR2356175A1 (fr) * 1976-06-25 1978-01-20 Minolta Camera Kk Dispositif de commande d'exposition au flash
DE2746263C3 (de) * 1976-10-16 1981-11-05 Olympus Optical Co., Ltd., Tokyo Fotografische Kamera mit automatischer Belichtungszeitsteuerung und angeschlossenem automatischem elektronischem elektronischem Blitzlichtgerät
JPS5348726A (en) * 1976-10-16 1978-05-02 Olympus Optical Co Ltd Synchro device in electric shutter camera
JPS5454345U (en:Method) * 1977-09-22 1979-04-14
JPS5451823A (en) * 1977-09-30 1979-04-24 Minolta Camera Co Ltd Stroboscopic device for camera

Also Published As

Publication number Publication date
GB2025078A (en) 1980-01-16
FR2430628A1 (fr) 1980-02-01
FR2487531B1 (en:Method) 1985-03-22
JPS559554A (en) 1980-01-23
FR2430628B1 (en:Method) 1985-02-08
US4457601A (en) 1984-07-03
FR2487531A1 (fr) 1982-01-29
DE2926907A1 (de) 1980-01-17

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