TWI294624B - Optical head device and optical reproducing apparatus using the same - Google Patents
Optical head device and optical reproducing apparatus using the same Download PDFInfo
- Publication number
- TWI294624B TWI294624B TW092114710A TW92114710A TWI294624B TW I294624 B TWI294624 B TW I294624B TW 092114710 A TW092114710 A TW 092114710A TW 92114710 A TW92114710 A TW 92114710A TW I294624 B TWI294624 B TW I294624B
- Authority
- TW
- Taiwan
- Prior art keywords
- coil
- magnet
- tracking
- pole
- unit
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 121
- 230000005415 magnetization Effects 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 2
- 239000002023 wood Substances 0.000 claims 2
- 239000000796 flavoring agent Substances 0.000 claims 1
- 235000019634 flavors Nutrition 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 description 64
- 230000004907 flux Effects 0.000 description 49
- 208000027418 Wounds and injury Diseases 0.000 description 32
- 239000007787 solid Substances 0.000 description 14
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 11
- 230000005484 gravity Effects 0.000 description 11
- 210000003128 head Anatomy 0.000 description 11
- 239000000758 substrate Substances 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001568 sexual effect Effects 0.000 description 2
- 241000282465 Canis Species 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 206010039580 Scar Diseases 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 208000014745 severe cutaneous adverse reaction Diseases 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- G11B7/09—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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002158886A JP2004005813A (ja) | 2002-05-31 | 2002-05-31 | 光ヘッド装置及びそれを用いた光再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200402046A TW200402046A (en) | 2004-02-01 |
| TWI294624B true TWI294624B (en) | 2008-03-11 |
Family
ID=29773845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW092114710A TWI294624B (en) | 2002-05-31 | 2003-05-30 | Optical head device and optical reproducing apparatus using the same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7203951B2 (https=) |
| JP (1) | JP2004005813A (https=) |
| CN (1) | CN1251201C (https=) |
| TW (1) | TWI294624B (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422313A1 (de) * | 2002-11-05 | 2004-05-26 | Theva Dünnschichttechnik GmbH | Vorrichtung und Verfahren zum Aufdampfen eines Beschichtungsmaterials im Vakuum mit kontinuierlicher Materialnachführung |
| JP2006066048A (ja) * | 2003-12-25 | 2006-03-09 | Nidec Sankyo Corp | 対物レンズ駆動装置、及びそれを備えた光ヘッド装置 |
| JP2005235349A (ja) * | 2004-02-23 | 2005-09-02 | Ricoh Co Ltd | アクチュエータ、光ピックアップ装置及び光ディスク装置 |
| JP2005251358A (ja) * | 2004-03-08 | 2005-09-15 | Sankyo Seiki Mfg Co Ltd | 対物レンズ駆動装置、及びそれを備えた光ヘッド装置 |
| EP1587084A1 (de) * | 2004-04-15 | 2005-10-19 | Deutsche Thomson-Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
| JP2005332518A (ja) * | 2004-05-21 | 2005-12-02 | Toshiba Corp | 光学部品３軸駆動装置及びそれを用いた記録再生装置 |
| US7535663B2 (en) | 2004-12-21 | 2009-05-19 | Ionosep X L.L.C. | Optical pickup actuator |
| TW200709200A (en) * | 2005-08-29 | 2007-03-01 | Lite On It Corp | Actuator of optical pickup head with horizontal-arranged magnetic field generator and coil apparatus |
| KR101222860B1 (ko) * | 2005-09-01 | 2013-01-16 | 삼성전자주식회사 | 광픽업장치 |
| EP1801797A1 (de) | 2005-12-20 | 2007-06-27 | Deutsche Thomson-Brandt Gmbh | Gerät zum Zugreifen auf optische Aufzeichnungsträger |
| JP2008052839A (ja) * | 2006-08-25 | 2008-03-06 | Pioneer Electronic Corp | レンズ駆動装置 |
| JP2008159126A (ja) * | 2006-12-22 | 2008-07-10 | Funai Electric Co Ltd | 対物レンズ駆動装置および光ディスク装置 |
| JP4666236B2 (ja) * | 2008-06-09 | 2011-04-06 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
| JP4612085B2 (ja) * | 2008-09-16 | 2011-01-12 | 株式会社日立メディアエレクトロニクス | 対物レンズ駆動装置 |
| JP5904392B2 (ja) * | 2010-05-24 | 2016-04-13 | 新シコー科技株式会社 | レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末装置 |
| US8593743B2 (en) * | 2011-07-19 | 2013-11-26 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Magnetic structure for compact imaging device |
| JP2013069389A (ja) * | 2011-09-26 | 2013-04-18 | Sanyo Electric Co Ltd | 対物レンズ駆動装置およびそれを備えた光ピックアップ装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3469814D1 (en) * | 1983-05-31 | 1988-04-14 | Matsushita Electric Industrial Co Ltd | Apparatus for driving objective lens of optical disc player |
| US4987565A (en) * | 1988-01-22 | 1991-01-22 | Olympus Optical Co., Ltd. | Apparatus for driving objective lens |
| JPH02203431A (ja) * | 1989-02-02 | 1990-08-13 | Teac Corp | 対物レンズ駆動装置及びその製造方法 |
| JPH0991725A (ja) * | 1995-09-20 | 1997-04-04 | Matsushita Electric Ind Co Ltd | 光学式情報記録再生装置の光ピックアップ |
| EP1098304B1 (en) * | 1999-10-15 | 2006-08-09 | Pioneer Corporation | Lens driving apparatus |
| JP2001229555A (ja) | 2000-02-09 | 2001-08-24 | Pioneer Electronic Corp | レンズ駆動装置、レンズ駆動装置用のサスペンションユニット及びレンズ駆動装置の製造方法 |
| KR100518873B1 (ko) * | 2000-11-04 | 2005-09-30 | 엘지전자 주식회사 | 광 픽업 액츄에이터 |
-
2002
- 2002-05-31 JP JP2002158886A patent/JP2004005813A/ja active Pending
-
2003
- 2003-05-30 CN CN03123986.2A patent/CN1251201C/zh not_active Expired - Fee Related
- 2003-05-30 US US10/448,358 patent/US7203951B2/en not_active Expired - Fee Related
- 2003-05-30 TW TW092114710A patent/TWI294624B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1251201C (zh) | 2006-04-12 |
| US7203951B2 (en) | 2007-04-10 |
| JP2004005813A (ja) | 2004-01-08 |
| CN1462031A (zh) | 2003-12-17 |
| TW200402046A (en) | 2004-02-01 |
| US20040022168A1 (en) | 2004-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |