DE69519218T2 - Abtastmotor - Google Patents

Abtastmotor

Info

Publication number
DE69519218T2
DE69519218T2 DE69519218T DE69519218T DE69519218T2 DE 69519218 T2 DE69519218 T2 DE 69519218T2 DE 69519218 T DE69519218 T DE 69519218T DE 69519218 T DE69519218 T DE 69519218T DE 69519218 T2 DE69519218 T2 DE 69519218T2
Authority
DE
Germany
Prior art keywords
scanning motor
scanning
motor
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 - Lifetime
Application number
DE69519218T
Other languages
English (en)
Other versions
DE69519218D1 (de
Inventor
Taku Fukita
Mikio Nakasugi
Isshin Sato
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
Original Assignee
Canon 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 filed Critical Canon Inc
Application granted granted Critical
Publication of DE69519218D1 publication Critical patent/DE69519218D1/de
Publication of DE69519218T2 publication Critical patent/DE69519218T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/121—Mechanical drive devices for polygonal mirrors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Brushless Motors (AREA)
DE69519218T 1994-12-15 1995-12-14 Abtastmotor Expired - Lifetime DE69519218T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33351194 1994-12-15
JP7240776A JPH08223858A (ja) 1994-12-15 1995-08-25 インナーロータモータ

Publications (2)

Publication Number Publication Date
DE69519218D1 DE69519218D1 (de) 2000-11-30
DE69519218T2 true DE69519218T2 (de) 2001-03-01

Family

ID=26534913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69519218T Expired - Lifetime DE69519218T2 (de) 1994-12-15 1995-12-14 Abtastmotor

Country Status (6)

Country Link
US (1) US5831363A (de)
EP (1) EP0717489B1 (de)
JP (1) JPH08223858A (de)
KR (1) KR100229827B1 (de)
CN (1) CN1045698C (de)
DE (1) DE69519218T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990071819A (ko) * 1996-10-02 1999-09-27 요트.게.아. 롤페즈 전자기베어링수단을구비한드라이브장치및탄성회전센터링소자
JPH1195153A (ja) * 1997-09-24 1999-04-09 Canon Inc 回転装置及び該装置を用いた偏向走査装置
JP3702934B2 (ja) * 1999-02-05 2005-10-05 リコープリンティングシステムズ株式会社 回転多面鏡装置及びそれを用いた画像形成装置
JP2001003076A (ja) * 1999-04-22 2001-01-09 Canon Inc 動圧軸受装置およびこれを有する偏向走査装置
US20050069234A1 (en) * 2003-09-29 2005-03-31 Takashi Kanai Motor with aerodynamic bearing
JP4797489B2 (ja) * 2005-07-26 2011-10-19 日本電産株式会社 カラーホイール回転用装置
KR100771344B1 (ko) * 2006-11-17 2007-10-29 삼성전기주식회사 초슬림 스핀들모터 조립용 지그조립체
TW200925802A (en) * 2007-12-04 2009-06-16 Sunonwealth Electr Mach Ind Co Revolving polygon mirror counterweight structure of color laser printer
US9270144B2 (en) 2011-09-26 2016-02-23 William R. Benner, Jr. High torque low inductance rotary actuator
US10284038B1 (en) 2011-09-26 2019-05-07 Pangolin Laser Systems, Inc. Electromechanical limited rotation rotary actuator and method employing segmented coils
US8963396B2 (en) 2011-09-26 2015-02-24 Pangolin Laser Systems, Inc. Electromechanical device and assembly method
US10734857B2 (en) 2011-09-26 2020-08-04 Pangolin Laser Systems, Inc. Electromechanical limited rotation rotary actuator and method employing segmented coils
US9991773B2 (en) 2015-02-06 2018-06-05 William R. Benner, Jr. Low cost limited rotation rotary actuator
US10720824B2 (en) 2015-02-06 2020-07-21 William R. Benner, Jr. Low cost limited rotation rotary actuator
CN105929530A (zh) * 2016-07-05 2016-09-07 全普光电科技(上海)有限公司 具有浮动平衡环的微型扫描仪及包含该微型扫描仪的激光投影装置
CN110526120B (zh) * 2019-08-01 2020-10-20 国网浙江省电力有限公司紧水滩水力发电厂 立式水轮发电机转子吊装辅助装置及吊装方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224324A (ja) * 1982-06-24 1983-12-26 Toshiba Corp 回転鏡光偏向器
JPS5917019A (ja) * 1982-07-20 1984-01-28 Toshiba Corp 回転体支持装置
US4523800A (en) * 1982-07-20 1985-06-18 Tokyo Shibaura Denki Kabushiki Kaisha Polygonal mirror optical deflector
JPS60244913A (ja) * 1984-05-21 1985-12-04 Toshiba Corp 回転体支持装置
JPS60244919A (ja) * 1984-05-21 1985-12-04 Toshiba Corp 回転体の支持装置
JPH01200320A (ja) * 1988-02-05 1989-08-11 Hitachi Ltd 回転鏡光偏向器
US5097164A (en) * 1988-12-29 1992-03-17 Canon Kabushiki Kaisha Hermetically sealed type dynamic pressure fluid bearing motor
ATE95349T1 (de) * 1989-07-24 1993-10-15 Ebara Corp Spindelmotor.
US5069515A (en) * 1989-09-22 1991-12-03 Ricoh Company, Ltd. Optical deflector of air bearing type
US5325006A (en) * 1990-04-27 1994-06-28 Hitachi, Ltd. Sealed magnetic fluid bearing for polygon mirror drive motor
JPH05184115A (ja) * 1991-12-27 1993-07-23 Toshiba Lighting & Technol Corp モータ及び光走査装置
JP3141547B2 (ja) * 1992-07-22 2001-03-05 富士ゼロックス株式会社 光偏向器
JPH0651224A (ja) * 1992-07-31 1994-02-25 Canon Inc 走査光学装置
DE69407437T2 (de) * 1993-01-12 1998-05-14 Canon Kk Optisches Abtastgerät

Also Published As

Publication number Publication date
KR100229827B1 (ko) 1999-11-15
KR960027179A (ko) 1996-07-22
EP0717489A3 (de) 1996-09-25
CN1130315A (zh) 1996-09-04
DE69519218D1 (de) 2000-11-30
CN1045698C (zh) 1999-10-13
EP0717489B1 (de) 2000-10-25
EP0717489A2 (de) 1996-06-19
JPH08223858A (ja) 1996-08-30
US5831363A (en) 1998-11-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition