JPH02264932A - カメラにおける受光角変更装置 - Google Patents

カメラにおける受光角変更装置

Info

Publication number
JPH02264932A
JPH02264932A JP1086625A JP8662589A JPH02264932A JP H02264932 A JPH02264932 A JP H02264932A JP 1086625 A JP1086625 A JP 1086625A JP 8662589 A JP8662589 A JP 8662589A JP H02264932 A JPH02264932 A JP H02264932A
Authority
JP
Japan
Prior art keywords
light
receiving angle
light receiving
focal length
changing
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.)
Pending
Application number
JP1086625A
Other languages
English (en)
Japanese (ja)
Inventor
Masaaki Ogawa
小川　公明
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP1086625A priority Critical patent/JPH02264932A/ja
Priority to US07/501,844 priority patent/US5114225A/en
Priority to GB9007367A priority patent/GB2230103B/en
Priority to FR9004318A priority patent/FR2645654A1/fr
Priority to DE4011048A priority patent/DE4011048C2/de
Publication of JPH02264932A publication Critical patent/JPH02264932A/ja
Pending 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
  • Lens Barrels (AREA)
JP1086625A 1989-04-05 1989-04-05 カメラにおける受光角変更装置 Pending JPH02264932A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1086625A JPH02264932A (ja) 1989-04-05 1989-04-05 カメラにおける受光角変更装置
US07/501,844 US5114225A (en) 1989-04-05 1990-03-30 Apparatus for varying acceptance angle of camera
GB9007367A GB2230103B (en) 1989-04-05 1990-04-02 Camera with apparatus for varying acceptance angle of strobe light receiver
FR9004318A FR2645654A1 (fr) 1989-04-05 1990-04-04 Dispositif de variation de l'angle de reception d'un telemetre d'un appareil photographique en fonction de la focale de l'objectif
DE4011048A DE4011048C2 (de) 1989-04-05 1990-04-05 Belichtungsmeßeinheit mit variablem Öffnungswinkel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1086625A JPH02264932A (ja) 1989-04-05 1989-04-05 カメラにおける受光角変更装置

Publications (1)

Publication Number Publication Date
JPH02264932A true JPH02264932A (ja) 1990-10-29

Family

ID=13892207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1086625A Pending JPH02264932A (ja) 1989-04-05 1989-04-05 カメラにおける受光角変更装置

Country Status (5)

Country Link
US (1) US5114225A (enExample)
JP (1) JPH02264932A (enExample)
DE (1) DE4011048C2 (enExample)
FR (1) FR2645654A1 (enExample)
GB (1) GB2230103B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814872A (zh) * 2011-06-07 2012-12-12 株式会社迪思科 加工装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04348330A (ja) * 1991-05-21 1992-12-03 Asahi Optical Co Ltd 露光間ズーム制御装置
US5497229A (en) * 1993-05-28 1996-03-05 Asahi Kogaku Kogyo Kabushiki Kaisha Photometering apparatus having a split light receiving device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118601B (de) * 1956-09-26 1961-11-30 Gauthier Gmbh A Photographische Kamera oder photographischer Verschluss mit selbsttaetiger Belichtungseinstellung
US3091162A (en) * 1962-08-06 1963-05-28 Eastman Kodak Co Zoom photometric system
DE1235023B (de) * 1962-11-07 1967-02-23 Zeiss Ikon Ag Photoelektrische Lichtmesseinrichtung
US4049996A (en) * 1969-03-07 1977-09-20 Ponder & Best, Inc. Control of electronically generated light pulses
DE2039522B1 (de) * 1970-08-08 1972-03-16 Kodak Ag Photographische oder kinematographische Kamera mit Wechselobjektiv und Belichtungsmesser
DE2524665C3 (de) * 1975-06-04 1978-10-05 Balda-Werke Photographische Geraete Und Kunststoff Gmbh & Co Kg, 4980 Buende Kleinstbildkamera mit elektrischer Belichtungssteuerung
JPS5364031A (en) * 1976-11-18 1978-06-08 West Electric Co Photo flash system
US4560267A (en) * 1982-03-26 1985-12-24 Minolta Camera Kabushiki Kaisha Camera system operable by carrying data from a camera accessory to a camera body
JPS6157960A (ja) * 1984-08-29 1986-03-25 Minolta Camera Co Ltd 複写機の測光装置
US4639111A (en) * 1985-06-21 1987-01-27 Eastman Kodak Company Pseudo format camera with exposure control
US4777508A (en) * 1985-11-25 1988-10-11 Canon Kabushiki Kaisha Exposure control device for camera of variable focal length type
ATE141693T1 (de) * 1986-05-12 1996-09-15 Asahi Optical Co Ltd Zwischenlinsenverschlusscamera mit zoomobjektiv
JPS6456427A (en) * 1987-08-27 1989-03-03 Asahi Optical Co Ltd Camera with zoom lens and illuminating angle variable stroboscope
JPH0666023B2 (ja) * 1987-09-14 1994-08-24 旭光学工業株式会社 ズームレンズおよび照射角可変ストロボ装置を備えたカメラ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814872A (zh) * 2011-06-07 2012-12-12 株式会社迪思科 加工装置
JP2012250338A (ja) * 2011-06-07 2012-12-20 Disco Corp 加工装置
CN102814872B (zh) * 2011-06-07 2015-11-11 株式会社迪思科 加工装置

Also Published As

Publication number Publication date
GB2230103B (en) 1993-10-06
GB9007367D0 (en) 1990-05-30
DE4011048C2 (de) 1994-03-31
DE4011048A1 (de) 1990-10-11
US5114225A (en) 1992-05-19
FR2645654B1 (enExample) 1994-07-13
FR2645654A1 (fr) 1990-10-12
GB2230103A (en) 1990-10-10

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