DE69309567D1 - Abtastmotor - Google Patents

Abtastmotor

Info

Publication number
DE69309567D1
DE69309567D1 DE69309567T DE69309567T DE69309567D1 DE 69309567 D1 DE69309567 D1 DE 69309567D1 DE 69309567 T DE69309567 T DE 69309567T DE 69309567 T DE69309567 T DE 69309567T DE 69309567 D1 DE69309567 D1 DE 69309567D1
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 - Fee Related
Application number
DE69309567T
Other languages
English (en)
Other versions
DE69309567T2 (de
Inventor
Mikio Nakasugi
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
Publication of DE69309567D1 publication Critical patent/DE69309567D1/de
Application granted granted Critical
Publication of DE69309567T2 publication Critical patent/DE69309567T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • 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
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
DE69309567T 1992-07-31 1993-07-29 Abtastmotor Expired - Fee Related DE69309567T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4224602A JPH0651224A (ja) 1992-07-31 1992-07-31 走査光学装置

Publications (2)

Publication Number Publication Date
DE69309567D1 true DE69309567D1 (de) 1997-05-15
DE69309567T2 DE69309567T2 (de) 1997-09-18

Family

ID=16816300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309567T Expired - Fee Related DE69309567T2 (de) 1992-07-31 1993-07-29 Abtastmotor

Country Status (4)

Country Link
US (1) US5532729A (de)
EP (1) EP0581278B1 (de)
JP (1) JPH0651224A (de)
DE (1) DE69309567T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08223858A (ja) * 1994-12-15 1996-08-30 Canon Inc インナーロータモータ
JP3428783B2 (ja) * 1994-12-27 2003-07-22 キヤノン株式会社 走査光学装置のバランス修正方法
US5900903A (en) * 1995-03-29 1999-05-04 Canon Kabushiki Kaisha Deflecting scanning apparatus
JP3578434B2 (ja) * 1995-09-19 2004-10-20 キヤノン株式会社 動圧気体軸受装置および光偏向走査装置
KR100247356B1 (ko) * 1996-11-09 2000-03-15 윤종용 모터
JP2000324778A (ja) 1999-04-30 2000-11-24 Sumitomo Electric Ind Ltd スピンドルモータ
US6702466B2 (en) * 1999-10-15 2004-03-09 Ngk Spark Plug Co., Ltd. Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing
US6710487B2 (en) 2000-01-11 2004-03-23 Gsi Lumonics Corporation Rotary device with matched expansion ceramic bearings
JP6648062B2 (ja) * 2017-03-31 2020-02-14 ミネベアミツミ株式会社 ポリゴンミラースキャナモーター

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121179A (en) * 1959-01-14 1964-02-11 Macks Eimer Fred Noncontacting dirt seal for an electric motor
US4726640A (en) * 1985-09-24 1988-02-23 Ricoh Company, Ltd. Optical deflector with a pneumatic and a magnetic bearing
DE3674370D1 (de) * 1985-11-28 1990-10-25 Ebara Corp Elektrisch angetriebenes geraet.
JPH02113113A (ja) * 1988-10-20 1990-04-25 Matsushita Electric Ind Co Ltd 動圧型気体軸受装置
US5097164A (en) * 1988-12-29 1992-03-17 Canon Kabushiki Kaisha Hermetically sealed type dynamic pressure fluid bearing motor
US5141338A (en) * 1989-11-10 1992-08-25 Matsushita Electric Industrial Co., Ltd. Dynamic pressure type fluid bearing apparatus
JPH03103419U (de) * 1990-02-07 1991-10-28
EP0444651B1 (de) * 1990-02-27 1997-05-02 Canon Kabushiki Kaisha Vorrichtung zum Abstützen einer Welle innerhalb einer Hülse mittels eines dynamischen Drucklagers
US5181783A (en) * 1990-07-16 1993-01-26 Lincoln Laser Co. Apparatus for eliminating whirl instability in a gas supported bearing
US5019738A (en) * 1990-07-16 1991-05-28 Lincoln Laser Company Self-pressurizing gas supported surface-roughness bearing

Also Published As

Publication number Publication date
JPH0651224A (ja) 1994-02-25
EP0581278A3 (en) 1994-05-18
EP0581278A2 (de) 1994-02-02
US5532729A (en) 1996-07-02
EP0581278B1 (de) 1997-04-09
DE69309567T2 (de) 1997-09-18

Similar Documents

Publication Publication Date Title
DE69331195D1 (de) Bürstenloser motor
DE69305539D1 (de) Kopfstütze
DE69328586D1 (de) Abtasteinrichtung
DE69117047T2 (de) Reluktanz-motor
DE69323336D1 (de) Ultraschallgetriebener Motor
DE69317476D1 (de) Hochgeschwindigkeits-reluktanz-motor
DE69519218D1 (de) Abtastmotor
DE59304341D1 (de) Antriebsmotor
DE69317707D1 (de) Piezo-elektrischer Motor
DE69309567T2 (de) Abtastmotor
DE69433097D1 (de) Abtastvorrichtung
DE69324070D1 (de) Abtastvorrichtung
FI924241A (fi) Temperaturkompenseringskrets foer en induktiv motor
DE69307212T2 (de) Ultraschallmotor
KR920017279U (ko) 모 터
KR940018081U (ko) 브러쉬레스 모터
KR940023645U (ko) 모터
NO934767D0 (no) Skanner
KR940015967U (ko) 모터 고정베이스
NO930468L (no) Motor
KR950010288U (ko) 모터
KR950015781U (ko) 모터
KR950015768U (ko) 모터
KR940021387U (ko) 전동기 고정구조
FI935031A0 (fi) Motor m

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee