JPS5995518A - プログラム電気シヤツタにおける露光量制御装置 - Google Patents

プログラム電気シヤツタにおける露光量制御装置

Info

Publication number
JPS5995518A
JPS5995518A JP20643682A JP20643682A JPS5995518A JP S5995518 A JPS5995518 A JP S5995518A JP 20643682 A JP20643682 A JP 20643682A JP 20643682 A JP20643682 A JP 20643682A JP S5995518 A JPS5995518 A JP S5995518A
Authority
JP
Japan
Prior art keywords
aperture
blade
region
amount
circuit
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
JP20643682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0514254B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Norifumi Nakagawa
憲史 仲川
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP20643682A priority Critical patent/JPS5995518A/ja
Publication of JPS5995518A publication Critical patent/JPS5995518A/ja
Publication of JPH0514254B2 publication Critical patent/JPH0514254B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP20643682A 1982-11-25 1982-11-25 プログラム電気シヤツタにおける露光量制御装置 Granted JPS5995518A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20643682A JPS5995518A (ja) 1982-11-25 1982-11-25 プログラム電気シヤツタにおける露光量制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20643682A JPS5995518A (ja) 1982-11-25 1982-11-25 プログラム電気シヤツタにおける露光量制御装置

Publications (2)

Publication Number Publication Date
JPS5995518A true JPS5995518A (ja) 1984-06-01
JPH0514254B2 JPH0514254B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-24

Family

ID=16523340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20643682A Granted JPS5995518A (ja) 1982-11-25 1982-11-25 プログラム電気シヤツタにおける露光量制御装置

Country Status (1)

Country Link
JP (1) JPS5995518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141523A (ja) * 1985-12-14 1987-06-25 Copal Co Ltd プログラムシヤツタの制御回路
JPS63179338A (ja) * 1987-01-20 1988-07-23 Copal Co Ltd プログラムａｅ制御方式
JPH0375420U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-11-24 1991-07-29

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155938A (en) * 1980-05-02 1981-12-02 Olympus Optical Co Ltd Adjusting circuit for exposure time

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155938A (en) * 1980-05-02 1981-12-02 Olympus Optical Co Ltd Adjusting circuit for exposure time

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141523A (ja) * 1985-12-14 1987-06-25 Copal Co Ltd プログラムシヤツタの制御回路
JPS63179338A (ja) * 1987-01-20 1988-07-23 Copal Co Ltd プログラムａｅ制御方式
JPH0375420U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-11-24 1991-07-29

Also Published As

Publication number Publication date
JPH0514254B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-24

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