JPH0427431U - - Google Patents

Info

Publication number
JPH0427431U
JPH0427431U JP1990067124U JP6712490U JPH0427431U JP H0427431 U JPH0427431 U JP H0427431U JP 1990067124 U JP1990067124 U JP 1990067124U JP 6712490 U JP6712490 U JP 6712490U JP H0427431 U JPH0427431 U JP H0427431U
Authority
JP
Japan
Prior art keywords
signal
sector
photointerrupter
timer
shutter
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
JP1990067124U
Other languages
English (en)
Other versions
JP2517473Y2 (ja
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 filed Critical
Priority to JP1990067124U priority Critical patent/JP2517473Y2/ja
Priority to DE4120451A priority patent/DE4120451B4/de
Priority to GB9113598A priority patent/GB2246642B/en
Priority to US07/719,875 priority patent/US5181063A/en
Publication of JPH0427431U publication Critical patent/JPH0427431U/ja
Application granted granted Critical
Publication of JP2517473Y2 publication Critical patent/JP2517473Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03B7/10—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 a servo-motor providing energy to move the setting member
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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
    • G03B43/00—Testing correct operation of photographic apparatus or parts thereof
    • G03B43/02—Testing shutters
    • 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
    • G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるカメラ用シヤツタのブロ
ツク図、第２図は第１図に係わるセクターおよび
ロータの構成図、第３図は第１図に係わる回路図
、第４図はシヤツタ開閉のシーケンスを示す動作
図である。 １……ロータ（モータ）、５……ステータ（モ
ータ）、６……モータコイル（モータ）、１６，
１７……セクター、１９……フオトカプラ（フオ
トインタラプタ信号出力手段）、２０……シヤツ
タ異常検出回路（手段）、ＴＩＭ……タイマー。

Claims (1)

    【実用新案登録請求の範囲】
  1. モータと、前記モータの回転でシヤツタ開口を
    開閉するセクターと、前記セクターに設けられた
    検出部を介して発光素子から受光素子へ投光され
    る光束で動作しフオトインタラプタ信号を出力す
    るフオトインタラプタ信号出力手段と、前記フオ
    トインタラプタ信号でセツトされ所定の時間計数
    後にリセツトするタイマーと、前記タイマーが前
    記所定の時間計数を完了する前に前記フオトイン
    タラプタ信号のレベルが変化しないときは前記セ
    クターを閉成し異常信号を出力するシヤツタ異常
    検出手段とを備えたことを特徴とするカメラ用シ
    ヤツタ。
JP1990067124U 1990-06-25 1990-06-25 カメラ用シャッタ Expired - Lifetime JP2517473Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990067124U JP2517473Y2 (ja) 1990-06-25 1990-06-25 カメラ用シャッタ
DE4120451A DE4120451B4 (de) 1990-06-25 1991-06-20 Kameraverschluß
GB9113598A GB2246642B (en) 1990-06-25 1991-06-24 Camera shutter
US07/719,875 US5181063A (en) 1990-06-25 1991-06-24 Camera shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990067124U JP2517473Y2 (ja) 1990-06-25 1990-06-25 カメラ用シャッタ

Publications (2)

Publication Number Publication Date
JPH0427431U true JPH0427431U (ja) 1992-03-04
JP2517473Y2 JP2517473Y2 (ja) 1996-11-20

Family

ID=13335843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990067124U Expired - Lifetime JP2517473Y2 (ja) 1990-06-25 1990-06-25 カメラ用シャッタ

Country Status (4)

Country Link
US (1) US5181063A (ja)
JP (1) JP2517473Y2 (ja)
DE (1) DE4120451B4 (ja)
GB (1) GB2246642B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761552A (en) * 1993-03-01 1998-06-02 Nikon Corporation Camera having shutter instrumentation device for measuring shutter speed
US5953545A (en) * 1996-01-26 1999-09-14 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure controlling device for camera
GB2309535B (en) * 1996-01-26 2000-08-09 Asahi Optical Co Ltd Exposure controlling device for camera
JPH11288019A (ja) * 1998-04-03 1999-10-19 Seiko Precision Inc カメラ用シャッタ
JP4384284B2 (ja) * 1999-03-16 2009-12-16 オリンパス株式会社 カメラ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502932A (ja) * 1973-05-09 1975-01-13
JPH0625837B2 (ja) * 1984-05-09 1994-04-06 株式会社精工舎 カメラ用シヤツタ
GB2185586B (en) * 1986-01-13 1989-11-22 Seikosha Kk Shutter control device for a camera
JPS62186237A (ja) * 1986-02-12 1987-08-14 Minolta Camera Co Ltd バイモルフ駆動素子を有するカメラ
DE3843437C2 (de) * 1987-12-26 1994-02-24 Seikosha Kk Einrichtung zur Betätigung der Verschlußflügel eines Verschlusses
JP2529345B2 (ja) * 1988-04-01 1996-08-28 富士写真フイルム株式会社 プログラムシャッタ駆動装置

Also Published As

Publication number Publication date
US5181063A (en) 1993-01-19
GB9113598D0 (en) 1991-08-14
GB2246642A (en) 1992-02-05
DE4120451A1 (de) 1992-01-02
GB2246642B (en) 1994-04-06
JP2517473Y2 (ja) 1996-11-20
DE4120451B4 (de) 2005-10-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term