FR2675274B1 - CAMERA EXPOSURE CONTROL SYSTEM. - Google Patents

CAMERA EXPOSURE CONTROL SYSTEM.

Info

Publication number
FR2675274B1
FR2675274B1 FR9204616A FR9204616A FR2675274B1 FR 2675274 B1 FR2675274 B1 FR 2675274B1 FR 9204616 A FR9204616 A FR 9204616A FR 9204616 A FR9204616 A FR 9204616A FR 2675274 B1 FR2675274 B1 FR 2675274B1
Authority
FR
France
Prior art keywords
control system
exposure control
camera exposure
camera
exposure
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 - Fee Related
Application number
FR9204616A
Other languages
French (fr)
Other versions
FR2675274A1 (en
Inventor
Osamu Sato
Satoshi Nakano
Isamu Hirai
Toshiyuki Kitazawa
Masato Sensui Takayukiyamamoto
Toshimasa Yamanaka
Takenao Shishikura
Akio Takahashi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 JP34214691A external-priority patent/JP3199802B2/en
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2675274A1 publication Critical patent/FR2675274A1/en
Application granted granted Critical
Publication of FR2675274B1 publication Critical patent/FR2675274B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
FR9204616A 1991-04-15 1992-04-15 CAMERA EXPOSURE CONTROL SYSTEM. Expired - Fee Related FR2675274B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP17349991 1991-04-15
JP17350091 1991-04-15
JP17349691 1991-04-15
JP17349791 1991-04-15
JP17349891 1991-04-15
JP17350191 1991-04-15
JP34214691A JP3199802B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
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

Publications (2)

Publication Number Publication Date
FR2675274A1 FR2675274A1 (en) 1992-10-16
FR2675274B1 true FR2675274B1 (en) 1995-01-20

Family

ID=27580364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204616A Expired - Fee Related FR2675274B1 (en) 1991-04-15 1992-04-15 CAMERA EXPOSURE CONTROL SYSTEM.

Country Status (2)

Country Link
AU (1) AU649806B2 (en)
FR (1) FR2675274B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349414A (en) * 1992-11-16 1994-09-20 Samsung Aerospace Industries, Ind. Aperture-priority lens shutter apparatus for a camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103307A (en) * 1973-07-16 1978-07-25 Canon Kabushiki Kaisha Exposure control device
GB1520088A (en) * 1975-12-23 1978-08-02 Rollei Werke Franke Heidecke Camera
JPS55143539A (en) * 1980-04-26 1980-11-08 Canon Inc Information input device of camera
JPH0823648B2 (en) * 1983-08-11 1996-03-06 株式会社ニコン Camera priority mode setting device

Also Published As

Publication number Publication date
AU649806B2 (en) 1994-06-02
FR2675274A1 (en) 1992-10-16
AU1490392A (en) 1992-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20111230