MY108440A - Exposure control apparatus of camera. - Google Patents

Exposure control apparatus of camera.

Info

Publication number
MY108440A
MY108440A MYPI92000647A MYPI19920647A MY108440A MY 108440 A MY108440 A MY 108440A MY PI92000647 A MYPI92000647 A MY PI92000647A MY PI19920647 A MYPI19920647 A MY PI19920647A MY 108440 A MY108440 A MY 108440A
Authority
MY
Malaysia
Prior art keywords
exposure
camera
control apparatus
value
factor
Prior art date
Application number
MYPI92000647A
Inventor
Yamanaka Toshimasa
Shishikura Takenao
Takahashi Akio
Nakano Satoshi
Hirai Isamu
Sato Osamu
Yamamoto Masato
Kitazawa Toshiyuki
Sensui Takayuki
Original Assignee
Asahi 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
Priority claimed from JP03342128A external-priority patent/JP3140521B2/en
Priority claimed from JP34212791A external-priority patent/JP3164622B2/en
Priority claimed from JP3342133A external-priority patent/JPH0527295A/en
Priority claimed from JP34214691A external-priority patent/JP3199802B2/en
Priority claimed from JP03342167A external-priority patent/JP3103412B2/en
Priority claimed from JP03342151A external-priority patent/JP3103411B2/en
Application filed by Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Publication of MY108440A publication Critical patent/MY108440A/en

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

AN EXPOSURE CONTROL APPARATUS OF A CAMERA HAVING A PHOTOMETER FOR DETECTING THE BRIGHTNESS (BV) OF AN OBJECT TO BE TAKEN, AN EXPOSURE VALUE CALCULATOR FOR CALCULATING AN OPTIMUM EXPOSURE VALUE (EV) IN ACCORDANCE WITH THE OBJECT BRIGHTNESS (BV), AND AN EXPOSURE FACTOR SETTING DEVICE FOR SETTING PAIR OF EXPOSURE FACTORS HAVING A SHUTTER SPEED (TV) AND A DIAPHRAGM VALUE (AV), INCLUDING AN EXPOSURE FACTOR MANUAL SETTING DEVICE, A SPECIFIC PROGRAM EXPOSURE MODE IN WHICH THE EXPOSURE FACTORS CORRESPONDING TO THE OPTIMUM EXPOSURE VALUES ARE AUTOMATICALLY SET, AND AN EXPOSURE FACTOR MODIFYING DEVICE FOR ENABLING THE MANUAL SETTING MENS TO MANUALLY SET ONE OF THE EXPOSURE FACTORS (I.E., DIAPHRAGM VALUE AV AND SHUTTER SPEED TV) WHEN THE MANUAL SETTING MEANS IS ACTUATED IN THE SPECIFIC PROGRAM EXPOSURE MODE. (FIG 1 & 4)
MYPI92000647A 1991-04-15 1992-04-15 Exposure control apparatus of camera. MY108440A (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP17349991 1991-04-15
JP17349791 1991-04-15
JP17350091 1991-04-15
JP17349891 1991-04-15
JP17349691 1991-04-15
JP17350191 1991-04-15
JP03342128A JP3140521B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP34212791A JP3164622B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP3342133A JPH0527295A (en) 1991-04-15 1991-11-29 Exposure controller for camera
JP34214691A JP3199802B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP03342167A JP3103412B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP03342151A JP3103411B2 (en) 1991-04-15 1991-11-29 Camera exposure control device

Publications (1)

Publication Number Publication Date
MY108440A true MY108440A (en) 1996-09-30

Family

ID=27583477

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI92000647A MY108440A (en) 1991-04-15 1992-04-15 Exposure control apparatus of camera.

Country Status (5)

Country Link
CA (1) CA2066022C (en)
DE (1) DE4212619C2 (en)
GB (1) GB2255649B (en)
HK (1) HK161595A (en)
MY (1) MY108440A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272068B (en) * 1992-10-20 1996-07-31 Asahi Optical Co Ltd Camera with learning function
US6822563B2 (en) 1997-09-22 2004-11-23 Donnelly Corporation Vehicle imaging system with accessory control
US5877897A (en) 1993-02-26 1999-03-02 Donnelly Corporation Automatic rearview mirror, vehicle lighting control and vehicle interior monitoring system using a photosensor array
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US7655894B2 (en) 1996-03-25 2010-02-02 Donnelly Corporation Vehicular image sensing system
WO2003093857A2 (en) 2002-05-03 2003-11-13 Donnelly Corporation Object detection system for vehicle
US7526103B2 (en) 2004-04-15 2009-04-28 Donnelly Corporation Imaging system for vehicle
US7972045B2 (en) 2006-08-11 2011-07-05 Donnelly Corporation Automatic headlamp control system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597269C3 (en) * 1966-08-24 1975-05-15 K.K. Hattori Tokeiten, Tokio Photographic camera
US4137541A (en) * 1974-10-07 1979-01-30 Canon Kabushiki Kaisha Automatic exposure control apparatus for a single lens reflex camera
US4306785A (en) * 1979-02-01 1981-12-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera exposure time control circuit
JPS5639525A (en) * 1979-09-10 1981-04-15 Canon Inc Exposure control circuit of camera
JPS56121020A (en) * 1980-02-26 1981-09-22 Minolta Camera Co Ltd Exposure controller of camera
JPS57125927A (en) * 1981-01-30 1982-08-05 Nippon Kogaku Kk <Nikon> Camera having automatic exposure controller
JPS58184137A (en) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd Camera
FR2526965B1 (en) * 1982-05-14 1986-08-14 Canon Kk DEVICE FOR SELECTING THE EXPOSURE CONTROL MODE FOR A CAMERA
DE3329053C2 (en) * 1982-08-16 1986-08-21 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Rotary motion control mechanism for the diaphragm setting ring of interchangeable lenses
JPH0823648B2 (en) * 1983-08-11 1996-03-06 株式会社ニコン Camera priority mode setting device
JPS60107836U (en) * 1983-12-20 1985-07-22 キヤノン株式会社 camera external display device
JPS60173526A (en) * 1984-02-20 1985-09-06 Asahi Optical Co Ltd Automatic exposure camera
JPH0785154B2 (en) * 1986-03-14 1995-09-13 オリンパス光学工業株式会社 Camera program exposure characteristic setting method and setting apparatus
US5005033A (en) * 1988-08-01 1991-04-02 Olympus Optical Company, Ltd. Photographing data setting apparatus for camera

Also Published As

Publication number Publication date
GB2255649A (en) 1992-11-11
CA2066022C (en) 2000-08-15
CA2066022A1 (en) 1992-10-16
DE4212619A1 (en) 1992-10-22
DE4212619C2 (en) 1996-08-29
GB2255649B (en) 1995-07-19
HK161595A (en) 1995-10-27
GB9208330D0 (en) 1992-06-03

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