JPS59208534A - プログラム式カメラの絞り制御装置 - Google Patents

プログラム式カメラの絞り制御装置

Info

Publication number
JPS59208534A
JPS59208534A JP58083682A JP8368283A JPS59208534A JP S59208534 A JPS59208534 A JP S59208534A JP 58083682 A JP58083682 A JP 58083682A JP 8368283 A JP8368283 A JP 8368283A JP S59208534 A JPS59208534 A JP S59208534A
Authority
JP
Japan
Prior art keywords
aperture
voltage
operational amplifier
output
value
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.)
Pending
Application number
JP58083682A
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Miyasaka
哲雄 宮坂
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 Corp
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 Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP58083682A priority Critical patent/JPS59208534A/ja
Priority to DE19843417566 priority patent/DE3417566A1/de
Publication of JPS59208534A publication Critical patent/JPS59208534A/ja
Pending 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
    • G03B7/085—Analogue circuits for control of aperture
    • 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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP58083682A 1983-05-12 1983-05-12 プログラム式カメラの絞り制御装置 Pending JPS59208534A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58083682A JPS59208534A (ja) 1983-05-12 1983-05-12 プログラム式カメラの絞り制御装置
DE19843417566 DE3417566A1 (de) 1983-05-12 1984-05-11 Blendensteuervorrichtung fuer programmgesteuerte kameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58083682A JPS59208534A (ja) 1983-05-12 1983-05-12 プログラム式カメラの絞り制御装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12121883A Division JPS59208533A (ja) 1983-07-04 1983-07-04 絞り込み量検知装置

Publications (1)

Publication Number Publication Date
JPS59208534A true JPS59208534A (ja) 1984-11-26

Family

ID=13809256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58083682A Pending JPS59208534A (ja) 1983-05-12 1983-05-12 プログラム式カメラの絞り制御装置

Country Status (2)

Country Link
JP (1) JPS59208534A (enrdf_load_stackoverflow)
DE (1) DE3417566A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60149032A (ja) * 1984-01-13 1985-08-06 Olympus Optical Co Ltd 絞り値自動制御式カメラ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489730A (en) * 1977-12-27 1979-07-17 Minolta Camera Co Ltd Lens convertible camera of ttl photo-metric system with program shutter
JPS5529816A (en) * 1978-08-22 1980-03-03 Olympus Optical Co Ltd Programmed ee camera
JPS55127528A (en) * 1979-03-24 1980-10-02 Canon Inc Program control camera
JPS5695225A (en) * 1979-12-28 1981-08-01 Nippon Kogaku Kk <Nikon> Programmed exposure control device of lens interchangeable camera

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100724A (en) * 1978-01-25 1979-08-08 Minolta Camera Co Ltd Program shutter circuit for camera having interchangeable lenses
US4390258A (en) * 1980-12-15 1983-06-28 Olympus Optical Co. Ltd. Photomeric circuit for camera
JPS57200017A (en) * 1981-06-03 1982-12-08 Sony Corp Aperture locking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489730A (en) * 1977-12-27 1979-07-17 Minolta Camera Co Ltd Lens convertible camera of ttl photo-metric system with program shutter
JPS5529816A (en) * 1978-08-22 1980-03-03 Olympus Optical Co Ltd Programmed ee camera
JPS55127528A (en) * 1979-03-24 1980-10-02 Canon Inc Program control camera
JPS5695225A (en) * 1979-12-28 1981-08-01 Nippon Kogaku Kk <Nikon> Programmed exposure control device of lens interchangeable camera

Also Published As

Publication number Publication date
DE3417566A1 (de) 1984-11-15
DE3417566C2 (enrdf_load_stackoverflow) 1987-08-20

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