JPS5699330A - Electromagnetically driven shutter - Google Patents

Electromagnetically driven shutter

Info

Publication number
JPS5699330A
JPS5699330A JP156880A JP156880A JPS5699330A JP S5699330 A JPS5699330 A JP S5699330A JP 156880 A JP156880 A JP 156880A JP 156880 A JP156880 A JP 156880A JP S5699330 A JPS5699330 A JP S5699330A
Authority
JP
Japan
Prior art keywords
members
holding
holding power
driving
yokes
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
JP156880A
Other languages
English (en)
Inventor
Fumio Shimada
Nobuaki Date
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.)
Canon Inc
Canon Electronics Inc
Original Assignee
Canon Inc
Canon Electronics Inc
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 Canon Inc, Canon Electronics Inc filed Critical Canon Inc
Priority to JP156880A priority Critical patent/JPS5699330A/ja
Priority to US06/222,736 priority patent/US4338013A/en
Priority to DE3100474A priority patent/DE3100474C2/de
Publication of JPS5699330A publication Critical patent/JPS5699330A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
JP156880A 1980-01-10 1980-01-10 Electromagnetically driven shutter Pending JPS5699330A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP156880A JPS5699330A (en) 1980-01-10 1980-01-10 Electromagnetically driven shutter
US06/222,736 US4338013A (en) 1980-01-10 1981-01-05 Electromagnetically driven shutter
DE3100474A DE3100474C2 (de) 1980-01-10 1981-01-09 Elektromagnetisch angetriebener Schlitzverschluß

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP156880A JPS5699330A (en) 1980-01-10 1980-01-10 Electromagnetically driven shutter

Publications (1)

Publication Number Publication Date
JPS5699330A true JPS5699330A (en) 1981-08-10

Family

ID=11505119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP156880A Pending JPS5699330A (en) 1980-01-10 1980-01-10 Electromagnetically driven shutter

Country Status (3)

Country Link
US (1) US4338013A (ja)
JP (1) JPS5699330A (ja)
DE (1) DE3100474C2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326831U (ja) * 1986-08-02 1988-02-22
JP2002287210A (ja) * 2001-03-26 2002-10-03 Nidec Copal Corp カメラ用フォーカルプレンシャッタ
JP2013130648A (ja) * 2011-12-20 2013-07-04 Seiko Precision Inc アクチュエータ、フォーカルプレーンシャッタ、及び光学機器
WO2016098453A1 (ja) * 2014-12-19 2016-06-23 ソニー株式会社 羽根開閉装置及び撮像装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57109926A (en) * 1980-12-27 1982-07-08 Canon Inc Control method for travel characteristic of electromagnetic drive shutter
JPS6068524U (ja) * 1983-10-14 1985-05-15 キヤノン株式会社 シヤツタ−の電磁駆動装置
DD231862A1 (de) * 1984-08-10 1986-01-08 Pentacon Dresden Veb Elektromagnetischer verschluss
US5333025A (en) * 1991-02-06 1994-07-26 Eastman Kodak Company Rotating magnet focal plane shutter usable in a camera and having an improved device for holding the shutter in a closed position
US6123468A (en) * 1993-08-17 2000-09-26 Eastman Kodak Company Magnetically biased electromagnetic shuttering device for controlling the shutter blades of a camera
WO2001089067A1 (fr) * 2000-05-18 2001-11-22 Nidec Copal Corporation Actionneur electromagnetique et obturateur pour appareil photographique
KR100762627B1 (ko) * 2005-11-17 2007-10-01 삼성전자주식회사 카메라 모듈의 셔터 구동 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT213225B (de) * 1956-11-30 1961-01-25 Kamera & Kinowerke Dresden Veb Stereokamera für chirurgische oder andere wissenschaftliche Zwecke
DE1144109B (de) * 1959-01-20 1963-02-21 Jean Rene Marie Girard Lichtsteuerungsanordnung mit einem Drehspulgalvanometer zur Verwendung als Verschluss und als auto-matische Blende in photographischen Aufnahmegeraeten
US3158796A (en) * 1962-11-23 1964-11-24 Daniel D Musgrave Electromechanical actuators
US3587014A (en) * 1970-01-13 1971-06-22 Pneumo Dynamics Corp Positioning device for instrument assembly
US3735303A (en) * 1971-10-18 1973-05-22 Bowmar Instrument Corp Rotary magnetic position indicator having odd number of positions
DE2441220C3 (de) * 1973-08-31 1981-01-29 Copal Co. Ltd., Tokio Schlitzverschluß für Kameras
US3818690A (en) * 1973-11-21 1974-06-25 Timex Corp Stepping motor for watch movement
DE2728824C3 (de) * 1977-06-27 1981-07-09 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Photographischer Kameraverschluß

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326831U (ja) * 1986-08-02 1988-02-22
JPH0524900Y2 (ja) * 1986-08-02 1993-06-24
JP2002287210A (ja) * 2001-03-26 2002-10-03 Nidec Copal Corp カメラ用フォーカルプレンシャッタ
JP2013130648A (ja) * 2011-12-20 2013-07-04 Seiko Precision Inc アクチュエータ、フォーカルプレーンシャッタ、及び光学機器
WO2016098453A1 (ja) * 2014-12-19 2016-06-23 ソニー株式会社 羽根開閉装置及び撮像装置
US20170351161A1 (en) * 2014-12-19 2017-12-07 Sony Corporation Blade opening and closing device and image pickup device
US10718993B2 (en) 2014-12-19 2020-07-21 Sony Corporation Blade opening and closing device and image pickup device

Also Published As

Publication number Publication date
DE3100474C2 (de) 1983-12-22
DE3100474A1 (de) 1981-12-17
US4338013A (en) 1982-07-06

Similar Documents

Publication Publication Date Title
NZ264373A (en) Permanent magnet rotor electric motor
JPS5699330A (en) Electromagnetically driven shutter
JPS5320515A (en) Rotor of permanent magnet synchronous motor
FR2523940B1 (ja)
AU567170B2 (en) Electromagnetic rotary motor
JPS54148214A (en) Permanent-magnet-type synchronous motor
JPS5597172A (en) Face-opposed motor
JPS57110063A (en) Power generator
JPS57122663A (en) Brushless motor
JPS57109926A (en) Control method for travel characteristic of electromagnetic drive shutter
EP0056521A3 (en) Electric motor
JPS5454218A (en) Revolving electric machine
JPS5742029A (en) Attraction type electromagnetic control shutter
JPS55114172A (en) Electromagnetic drive machine
JPS5571165A (en) Direct current motor
JPS57162960A (en) Dc brushless motor
JPS5358604A (en) Super-thin type coreless dc motor
JPS5385330A (en) Synchronous induction motor
JPS5740A (en) Motor
JPS6477458A (en) Synchronous motor
JPS56125976A (en) Rotor unit for deri-motor
JPS55106084A (en) Magnetic drive machine
JPS5392410A (en) Magnet rotor
JPS57189551A (en) Dc motor
JPS5456112A (en) Synchronous motor