JPH0140334B2 - - Google Patents

Info

Publication number
JPH0140334B2
JPH0140334B2 JP55118922A JP11892280A JPH0140334B2 JP H0140334 B2 JPH0140334 B2 JP H0140334B2 JP 55118922 A JP55118922 A JP 55118922A JP 11892280 A JP11892280 A JP 11892280A JP H0140334 B2 JPH0140334 B2 JP H0140334B2
Authority
JP
Japan
Prior art keywords
aperture
correction
lens
output
normal
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
JP55118922A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5742028A (en
Inventor
Takashi Saegusa
Tooru Fukuhara
Koichi Azuma
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.)
Nikon Corp
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Priority to JP55118922A priority Critical patent/JPS5742028A/ja
Priority to US06/208,039 priority patent/US4306787A/en
Priority to DE19803043989 priority patent/DE3043989A1/de
Publication of JPS5742028A publication Critical patent/JPS5742028A/ja
Priority to US06/562,822 priority patent/USRE32376E/en
Publication of JPH0140334B2 publication Critical patent/JPH0140334B2/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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09979—Multi-zone light measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
JP55118922A 1979-11-22 1980-08-28 Corrector of multiphotometric device Granted JPS5742028A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55118922A JPS5742028A (en) 1980-08-28 1980-08-28 Corrector of multiphotometric device
US06/208,039 US4306787A (en) 1979-11-22 1980-11-18 Exposure control apparatus for camera provided with multi metering device
DE19803043989 DE3043989A1 (de) 1979-11-22 1980-11-21 Einrichtung zur steuerung der belichtung fuer eine kamera, die mit einer mehrfachmesseinrichtung versehen ist
US06/562,822 USRE32376E (en) 1979-11-22 1983-12-19 Exposure control apparatus for camera provided with multi metering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55118922A JPS5742028A (en) 1980-08-28 1980-08-28 Corrector of multiphotometric device

Publications (2)

Publication Number Publication Date
JPS5742028A JPS5742028A (en) 1982-03-09
JPH0140334B2 true JPH0140334B2 (de) 1989-08-28

Family

ID=14748501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55118922A Granted JPS5742028A (en) 1979-11-22 1980-08-28 Corrector of multiphotometric device

Country Status (1)

Country Link
JP (1) JPS5742028A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58160946A (ja) * 1982-03-19 1983-09-24 Hitachi Medical Corp Ｘ線自動露出装置
JPH0772781B2 (ja) * 1983-08-02 1995-08-02 株式会社ニコン カメラ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998228A (de) * 1973-01-22 1974-09-17
JPS5192622A (de) * 1975-02-12 1976-08-13
JPS5212828A (en) * 1975-07-21 1977-01-31 Konishiroku Photo Ind Co Ltd Exposure control process for the object of a non-uniform distribution of brightness

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998228A (de) * 1973-01-22 1974-09-17
JPS5192622A (de) * 1975-02-12 1976-08-13
JPS5212828A (en) * 1975-07-21 1977-01-31 Konishiroku Photo Ind Co Ltd Exposure control process for the object of a non-uniform distribution of brightness

Also Published As

Publication number Publication date
JPS5742028A (en) 1982-03-09

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