JPH0122608B2 - - Google Patents

Info

Publication number
JPH0122608B2
JPH0122608B2 JP2389280A JP2389280A JPH0122608B2 JP H0122608 B2 JPH0122608 B2 JP H0122608B2 JP 2389280 A JP2389280 A JP 2389280A JP 2389280 A JP2389280 A JP 2389280A JP H0122608 B2 JPH0122608 B2 JP H0122608B2
Authority
JP
Japan
Prior art keywords
mode
aperture
value
circuit
signal
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
JP2389280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56121020A (en
Inventor
Seiji Yamada
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP2389280A priority Critical patent/JPS56121020A/ja
Priority to US06/238,029 priority patent/US4344681A/en
Publication of JPS56121020A publication Critical patent/JPS56121020A/ja
Publication of JPH0122608B2 publication Critical patent/JPH0122608B2/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
    • G03B7/097—Digital circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP2389280A 1980-02-26 1980-02-26 Exposure controller of camera Granted JPS56121020A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2389280A JPS56121020A (en) 1980-02-26 1980-02-26 Exposure controller of camera
US06/238,029 US4344681A (en) 1980-02-26 1981-02-25 Selection and setting device for camera exposure control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2389280A JPS56121020A (en) 1980-02-26 1980-02-26 Exposure controller of camera

Publications (2)

Publication Number Publication Date
JPS56121020A JPS56121020A (en) 1981-09-22
JPH0122608B2 true JPH0122608B2 (en, 2012) 1989-04-27

Family

ID=12123098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2389280A Granted JPS56121020A (en) 1980-02-26 1980-02-26 Exposure controller of camera

Country Status (2)

Country Link
US (1) US4344681A (en, 2012)
JP (1) JPS56121020A (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912498A (en) * 1982-03-26 1990-03-27 Minolta Camera Kabushiki Kaisha Camera system capable of interchanging its objective lens
FR2526965B1 (fr) * 1982-05-14 1986-08-14 Canon Kk Dispositif de selection du mode de commande d'exposition pour appareil photographique
US4710008A (en) * 1983-12-15 1987-12-01 Canon Kabushiki Kaisha Camera with operation switch
JPS59141332U (ja) * 1983-03-12 1984-09-21 旭光学工業株式会社 カメラの撮影モ−ド表示の切換え回路
US4621914A (en) * 1983-07-27 1986-11-11 Minolta Camera Kk Camera system
JPH0792585B2 (ja) * 1983-08-02 1995-10-09 株式会社ニコン カメラの表示装置
JPH0823648B2 (ja) * 1983-08-11 1996-03-06 株式会社ニコン カメラの優先モード設定装置
JP2595498B2 (ja) * 1984-06-22 1997-04-02 ミノルタ株式会社 一眼レフレックスカメラ
US5140361A (en) * 1986-11-19 1992-08-18 Minolta Camera Kabushiki Kaisha Camera system having the plurality of manually settable parameters for determining camera operation
FR2637386A1 (fr) * 1988-10-04 1990-04-06 Asahi Optical Co Ltd Dispositif de changement de mode pour appareil photographique
JPH0820660B2 (ja) * 1989-02-16 1996-03-04 キヤノン株式会社 カメラのための情報又はモード設定装置
US5264889A (en) * 1990-04-17 1993-11-23 Minolta Camera Kabushiki Kaisha Apparatus having an automatic focus detecting device
AU649805B2 (en) * 1991-04-15 1994-06-02 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure control apparatus of camera
KR100210005B1 (ko) * 1991-04-15 1999-07-15 마츠모토 도루 카메라의 노출제어장치
CA2066022C (en) * 1991-04-15 2000-08-15 Osamu Sato Exposure control apparatus of camera
CN108353133B (zh) 2015-11-11 2021-06-15 华为技术有限公司 用于缩减高动态范围视频/成像的曝光时间集合的设备和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286849A (en) * 1978-02-09 1981-09-01 Canon Kabushiki Kaisha Digital camera
JPS55123928U (en, 2012) * 1979-02-23 1980-09-03

Also Published As

Publication number Publication date
JPS56121020A (en) 1981-09-22
US4344681A (en) 1982-08-17

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