KR970700905A - 광디스크용 광픽업 구동장치 - Google Patents
광디스크용 광픽업 구동장치Info
- Publication number
- KR970700905A KR970700905A KR1019960704265A KR19960704265A KR970700905A KR 970700905 A KR970700905 A KR 970700905A KR 1019960704265 A KR1019960704265 A KR 1019960704265A KR 19960704265 A KR19960704265 A KR 19960704265A KR 970700905 A KR970700905 A KR 970700905A
- Authority
- KR
- South Korea
- Prior art keywords
- optical
- pickup drive
- optical disc
- optical pickup
- disc
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08576—Swinging-arm positioners
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
- G11B7/0903—Multi-beam tracking systems
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33048894 | 1994-12-08 | ||
PCT/JP1995/002322 WO1996018190A1 (fr) | 1994-12-08 | 1995-11-14 | Dispositif d'entrainement de tete de lecture optique pour disque optique |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970700905A true KR970700905A (ko) | 1997-02-12 |
Family
ID=18233193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960704265A KR970700905A (ko) | 1994-12-08 | 1996-08-06 | 광디스크용 광픽업 구동장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5790509A (ko) |
EP (1) | EP0744737A4 (ko) |
KR (1) | KR970700905A (ko) |
TW (1) | TW290687B (ko) |
WO (1) | WO1996018190A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3686520B2 (ja) * | 1998-03-19 | 2005-08-24 | パイオニア株式会社 | ディスクプレーヤ |
AU2003288620A1 (en) * | 2002-12-30 | 2004-07-22 | Koninklijke Philips Electronics N.V. | Optical scanning device |
JP3825005B2 (ja) * | 2003-02-06 | 2006-09-20 | 松下電器産業株式会社 | ディスク装置 |
JP4641739B2 (ja) * | 2004-05-10 | 2011-03-02 | アルパイン株式会社 | ディスク装置 |
JP2012512629A (ja) * | 2008-12-17 | 2012-05-31 | ディスカバリー テクノロジー インターナショナル,インク. | 高トルク圧電モータ |
EP2430727A2 (en) * | 2009-05-15 | 2012-03-21 | Discovery Technology International, Inc. | Electric motor with ultrasonic non-contact bearing |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5712451A (en) * | 1980-06-26 | 1982-01-22 | Sanyo Electric Co Ltd | Repeat mechanism of full-auto record player |
JPS57164450A (en) * | 1981-04-01 | 1982-10-09 | Mitsubishi Electric Corp | Optical information reproducing device |
JPH0746424B2 (ja) * | 1982-01-18 | 1995-05-17 | 松下電器産業株式会社 | 光学式記録再生装置における光学ヘツドブロツクの支持装置 |
JPS59162669A (ja) * | 1983-03-07 | 1984-09-13 | Ricoh Co Ltd | 光学的記録再生装置 |
JPH0754561B2 (ja) * | 1986-08-20 | 1995-06-07 | 松下電器産業株式会社 | レコ−ドプレヤ− |
US5153870A (en) * | 1989-06-29 | 1992-10-06 | Digital Equipment Corporation | Rotary head actuator for optical disk |
US5029030A (en) * | 1990-02-20 | 1991-07-02 | International Business Machines Corporation | Rotary actuator system with zero skew angle variation |
JPH0533316A (ja) * | 1991-07-25 | 1993-02-09 | Sanyoo Kk | 車止めブロツク及びその設置工法 |
JPH0533316U (ja) * | 1991-10-02 | 1993-04-30 | アルパイン株式会社 | 光ピツクアツプの移動装置 |
-
1995
- 1995-11-14 US US08/687,325 patent/US5790509A/en not_active Expired - Fee Related
- 1995-11-14 EP EP95936790A patent/EP0744737A4/en not_active Withdrawn
- 1995-11-14 WO PCT/JP1995/002322 patent/WO1996018190A1/ja not_active Application Discontinuation
-
1996
- 1996-01-05 TW TW085100094A patent/TW290687B/zh active
- 1996-08-06 KR KR1019960704265A patent/KR970700905A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1996018190A1 (fr) | 1996-06-13 |
EP0744737A4 (en) | 1998-12-02 |
TW290687B (ko) | 1996-11-11 |
EP0744737A1 (en) | 1996-11-27 |
US5790509A (en) | 1998-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |