JPH028295B2 - - Google Patents

Info

Publication number
JPH028295B2
JPH028295B2 JP55146733A JP14673380A JPH028295B2 JP H028295 B2 JPH028295 B2 JP H028295B2 JP 55146733 A JP55146733 A JP 55146733A JP 14673380 A JP14673380 A JP 14673380A JP H028295 B2 JPH028295 B2 JP H028295B2
Authority
JP
Japan
Prior art keywords
mirror
flywheel
brake
support member
spring
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
JP55146733A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5770524A (en
Inventor
Tetsuji Shono
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 JP55146733A priority Critical patent/JPS5770524A/ja
Priority to DE3141613A priority patent/DE3141613C2/de
Priority to US06/313,148 priority patent/US4385820A/en
Publication of JPS5770524A publication Critical patent/JPS5770524A/ja
Publication of JPH028295B2 publication Critical patent/JPH028295B2/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
    • 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)
JP55146733A 1980-10-20 1980-10-20 Braking mechanism for mirror ascending Granted JPS5770524A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55146733A JPS5770524A (en) 1980-10-20 1980-10-20 Braking mechanism for mirror ascending
DE3141613A DE3141613C2 (de) 1980-10-20 1981-10-20 Einäugige Spiegelreflexkamera
US06/313,148 US4385820A (en) 1980-10-20 1981-10-20 Mirrorraising motion braking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55146733A JPS5770524A (en) 1980-10-20 1980-10-20 Braking mechanism for mirror ascending

Publications (2)

Publication Number Publication Date
JPS5770524A JPS5770524A (en) 1982-05-01
JPH028295B2 true JPH028295B2 (en]) 1990-02-23

Family

ID=15414348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55146733A Granted JPS5770524A (en) 1980-10-20 1980-10-20 Braking mechanism for mirror ascending

Country Status (3)

Country Link
US (1) US4385820A (en])
JP (1) JPS5770524A (en])
DE (1) DE3141613C2 (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2567286Y2 (ja) * 1991-09-09 1998-04-02 旭光学工業株式会社 カメラのミラー駆動機構
JPH08234303A (ja) * 1995-02-27 1996-09-13 Asahi Optical Co Ltd 一眼レフカメラのミラーのショック軽減機構
JPH09281596A (ja) * 1996-04-09 1997-10-31 Asahi Optical Co Ltd 一眼レフカメラのミラーショック軽減装置
JP6036900B2 (ja) * 2009-12-25 2016-11-30 リコーイメージング株式会社 一眼レフカメラのミラーブレーキ機構
JP5724343B2 (ja) 2009-12-25 2015-05-27 リコーイメージング株式会社 一眼レフカメラのミラーブレーキ機構
JP6124495B2 (ja) * 2009-12-25 2017-05-10 リコーイメージング株式会社 一眼レフカメラのブレーキ機構を備えたミラー駆動装置
JP2013080162A (ja) * 2011-10-05 2013-05-02 Nikon Corp ミラーユニットおよび撮像装置
JP2018010316A (ja) * 2017-09-19 2018-01-18 キヤノン株式会社 ミラー駆動装置およびこれを備えた撮像装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597337A1 (de) * 1967-07-01 1970-04-09 Nippon Kogaku Kk Daempfungseinrichtung fuer den Klappspiegel einer einaeugigen Spiegelreflexkamera
JPS4733308Y1 (en]) * 1969-03-27 1972-10-07
US3699865A (en) * 1970-08-26 1972-10-24 Polaroid Corp Self-developing reflex camera
JPS536424Y2 (en]) * 1971-07-15 1978-02-18
JPS4945719A (en) * 1972-09-04 1974-05-01 Fuji Photo Film Co Ltd Ichiganrefukamera no miraakaido nyoru shogekikanshosochi

Also Published As

Publication number Publication date
US4385820A (en) 1983-05-31
JPS5770524A (en) 1982-05-01
DE3141613C2 (de) 1986-03-27
DE3141613A1 (de) 1982-07-15

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