FR2489975A1 - Mecanisme de commande de miroir pour appareil photographique reflex a un seul objectif - Google Patents

Mecanisme de commande de miroir pour appareil photographique reflex a un seul objectif Download PDF

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Publication number
FR2489975A1
FR2489975A1 FR8117170A FR8117170A FR2489975A1 FR 2489975 A1 FR2489975 A1 FR 2489975A1 FR 8117170 A FR8117170 A FR 8117170A FR 8117170 A FR8117170 A FR 8117170A FR 2489975 A1 FR2489975 A1 FR 2489975A1
Authority
FR
France
Prior art keywords
mirror
frame
lever
rotation
angle
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.)
Granted
Application number
FR8117170A
Other languages
English (en)
French (fr)
Other versions
FR2489975B1 (enExample
Inventor
Keisuke Haraguchi
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
Publication of FR2489975A1 publication Critical patent/FR2489975A1/fr
Application granted granted Critical
Publication of FR2489975B1 publication Critical patent/FR2489975B1/fr
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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cameras In General (AREA)
FR8117170A 1980-09-10 1981-09-10 Mecanisme de commande de miroir pour appareil photographique reflex a un seul objectif Granted FR2489975A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980128629U JPS6030744Y2 (ja) 1980-09-10 1980-09-10 一眼レフカメラのミラ−作動機構

Publications (2)

Publication Number Publication Date
FR2489975A1 true FR2489975A1 (fr) 1982-03-12
FR2489975B1 FR2489975B1 (enExample) 1985-01-11

Family

ID=14989526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117170A Granted FR2489975A1 (fr) 1980-09-10 1981-09-10 Mecanisme de commande de miroir pour appareil photographique reflex a un seul objectif

Country Status (5)

Country Link
US (1) US4342508A (enExample)
JP (1) JPS6030744Y2 (enExample)
DE (1) DE3135769C2 (enExample)
FR (1) FR2489975A1 (enExample)
GB (1) GB2086067B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498750A (en) * 1981-10-13 1985-02-12 Canon Kabushiki Kaisha Light shielding device in single lens reflex camera
US4492453A (en) * 1981-11-05 1985-01-08 Canon Kabushiki Kaisha Single lens reflex camera with mirror operating mechanism
JPS5883832A (ja) * 1981-11-12 1983-05-19 Canon Inc 一眼レフカメラ
US4498754A (en) * 1982-01-25 1985-02-12 Ricoh Company, Ltd. Single lens reflex camera
JPS59114527U (ja) * 1983-01-24 1984-08-02 旭光学工業株式会社 一眼レフカメラの焦点検出機構の調整装置
JPS59132423U (ja) * 1983-02-26 1984-09-05 本田技研工業株式会社 車両の終減速装置におけるブリ−ザ
JPH0538344Y2 (enExample) * 1986-01-24 1993-09-28

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104652A (en) * 1976-03-12 1978-08-01 Canon Kabushiki Kaisha Single lens reflex camera
GB2016154A (en) * 1978-02-28 1979-09-19 Asahi Optical Co Ltd Mirror operating mechanism in single lens reflex camera
GB2054180A (en) * 1979-07-10 1981-02-11 Asahi Kogaku Kk Single lens reflex camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225955B (de) * 1965-05-14 1966-09-29 Leitz Ernst Gmbh Belichtungsmesseinrichtung fuer Spiegelreflexkameras
DE1278221B (de) * 1965-07-03 1968-09-19 Zeiss Ikon Ag Spiegelreflexkamera
US3540365A (en) * 1967-03-09 1970-11-17 Nippon Kogaku Kk Device for elevating and lowering a reflecting mirror in a single lens reflex camera
US3601027A (en) * 1967-08-11 1971-08-24 Nippon Kogaku Kk Viewing mirror and light shield arrangement for a single lens reflex camera
JPS52135727A (en) * 1976-05-10 1977-11-14 Ricoh Co Ltd Focus adjusting method and system for focal plane of finder of single lens reflex camera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104652A (en) * 1976-03-12 1978-08-01 Canon Kabushiki Kaisha Single lens reflex camera
GB2016154A (en) * 1978-02-28 1979-09-19 Asahi Optical Co Ltd Mirror operating mechanism in single lens reflex camera
GB2054180A (en) * 1979-07-10 1981-02-11 Asahi Kogaku Kk Single lens reflex camera

Also Published As

Publication number Publication date
US4342508A (en) 1982-08-03
DE3135769A1 (de) 1982-04-08
JPS5751940U (enExample) 1982-03-25
JPS6030744Y2 (ja) 1985-09-14
GB2086067A (en) 1982-05-06
GB2086067B (en) 1984-08-08
FR2489975B1 (enExample) 1985-01-11
DE3135769C2 (de) 1986-01-23

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Legal Events

Date Code Title Description
ST Notification of lapse