JPH0340369B2 - - Google Patents

Info

Publication number
JPH0340369B2
JPH0340369B2 JP55057798A JP5779880A JPH0340369B2 JP H0340369 B2 JPH0340369 B2 JP H0340369B2 JP 55057798 A JP55057798 A JP 55057798A JP 5779880 A JP5779880 A JP 5779880A JP H0340369 B2 JPH0340369 B2 JP H0340369B2
Authority
JP
Japan
Prior art keywords
aperture
release
lever
circuit
mirror
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 - Lifetime
Application number
JP55057798A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56154716A (en
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 filed Critical
Priority to JP5779880A priority Critical patent/JPS56154716A/ja
Priority to DE19813114018 priority patent/DE3114018A1/de
Priority to US06/259,764 priority patent/US4339186A/en
Publication of JPS56154716A publication Critical patent/JPS56154716A/ja
Priority to US06/554,175 priority patent/US4512647A/en
Publication of JPH0340369B2 publication Critical patent/JPH0340369B2/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
    • G03B7/091—Digital circuits
    • G03B7/095—Digital 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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cameras In General (AREA)
  • Diaphragms For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
JP5779880A 1980-05-02 1980-05-02 Release device of automatic iris control camera Granted JPS56154716A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5779880A JPS56154716A (en) 1980-05-02 1980-05-02 Release device of automatic iris control camera
DE19813114018 DE3114018A1 (de) 1980-05-02 1981-04-07 Blendensteuerautomatik fuer kamera
US06/259,764 US4339186A (en) 1980-05-02 1981-05-01 Automatic diaphragm control and mirror release devices for cameras
US06/554,175 US4512647A (en) 1980-05-02 1983-11-23 Automatic diaphragm control and mirror release devices for cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5779880A JPS56154716A (en) 1980-05-02 1980-05-02 Release device of automatic iris control camera

Publications (2)

Publication Number Publication Date
JPS56154716A JPS56154716A (en) 1981-11-30
JPH0340369B2 true JPH0340369B2 (forum.php) 1991-06-18

Family

ID=13065914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5779880A Granted JPS56154716A (en) 1980-05-02 1980-05-02 Release device of automatic iris control camera

Country Status (3)

Country Link
US (2) US4339186A (forum.php)
JP (1) JPS56154716A (forum.php)
DE (1) DE3114018A1 (forum.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56154716A (en) * 1980-05-02 1981-11-30 Minolta Camera Co Ltd Release device of automatic iris control camera
JPS5811921A (ja) * 1981-07-16 1983-01-22 Minolta Camera Co Ltd 内光式一眼レフレツクスカメラの絞り制御装置
JPS6064333A (ja) * 1983-09-20 1985-04-12 Nippon Kogaku Kk <Nikon> カメラの自動絞り制御回路
US4710013A (en) * 1985-10-08 1987-12-01 W. Haking Enterprises Limited Automatic focusing mechanism for camera
US4835558A (en) * 1986-11-25 1989-05-30 Ricoh Company, Ltd. Position control device for use in a camera
DE4447092C2 (de) * 1994-12-29 2000-12-21 Rollei Fototechnic Gmbh Antriebseinrichtung zur Spiegelverschwenkung in einer einäugigen Spiegelreflexkamera
US8727647B2 (en) 2011-06-17 2014-05-20 Nokia Corporation Actuator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS571813B1 (forum.php) * 1971-05-31 1982-01-13
JPS5618930B2 (forum.php) * 1973-04-03 1981-05-02
JPS5735448B2 (forum.php) * 1973-05-25 1982-07-29
US4142787A (en) * 1974-03-29 1979-03-06 Minolta Camera Kabushiki Kaisha Automatic diaphragm control mechanism for a single lens reflex camera
JPS53129632A (en) * 1977-04-18 1978-11-11 Minolta Camera Co Ltd Camera stop determining device
JPS5444520A (en) * 1977-09-14 1979-04-09 Minolta Camera Co Ltd Automatic esposure control device for single-lens reflex camera
JPS56154716A (en) * 1980-05-02 1981-11-30 Minolta Camera Co Ltd Release device of automatic iris control camera

Also Published As

Publication number Publication date
JPS56154716A (en) 1981-11-30
US4512647A (en) 1985-04-23
DE3114018A1 (de) 1982-02-25
US4339186A (en) 1982-07-13

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