KR101043101B1 - 광 픽업 액츄에이터 - Google Patents
광 픽업 액츄에이터 Download PDFInfo
- Publication number
- KR101043101B1 KR101043101B1 KR1020040047976A KR20040047976A KR101043101B1 KR 101043101 B1 KR101043101 B1 KR 101043101B1 KR 1020040047976 A KR1020040047976 A KR 1020040047976A KR 20040047976 A KR20040047976 A KR 20040047976A KR 101043101 B1 KR101043101 B1 KR 101043101B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens holder
- coil
- focusing coil
- focusing
- radial
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000005405 multipole Effects 0.000 description 19
- 230000005291 magnetic effect Effects 0.000 description 15
- 238000004804 winding Methods 0.000 description 13
- 239000000725 suspension Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
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- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (6)
- 중심부에 대물렌즈를 취부하고 다축 방향으로 가동하는 렌즈홀더;상기 렌즈홀더의 양측면 좌/우에 각각 구비된 포커싱 코일;상기 포커싱 코일의 일측과 각각 밀착되게 구비된 레디얼 코일;상기 렌즈홀더의 양측면 중앙에 구비된 트랙킹 코일;상기 렌즈홀더의 양측면에 위치한 상기 코일들과 서로 다른 극성이 대향되는 마그네트를 포함하고,상기 포커싱 코일은 상기 렌즈홀더의 양측면 좌/우에 형성된 보빈의 외측에 권선되며, 상기 레디얼 코일은 상기 보빈의 내측 및 상기 포커싱 코일의 내주변에 권선되는 것을 특징으로 하는 광 픽업 액츄에이터.
- 삭제
- 중심부에 대물렌즈를 취부하고 다축 방향으로 가동하는 렌즈홀더;상기 렌즈홀더의 양측면 좌/우에 각각 구비된 포커싱 코일;상기 포커싱 코일의 일측과 각각 밀착되게 구비된 레디얼 코일;상기 렌즈홀더의 양측면 중앙에 구비된 트랙킹 코일;상기 렌즈홀더의 양측면에 위치한 상기 코일들과 서로 다른 극성이 대향되는 마그네트를 포함하고,상기 포커싱 코일은 상기 렌즈홀더의 양측면 좌/우에 형성된 보빈의 내측에 권선되며, 상기 레디얼 코일은 상기 보빈의 외측 및 상기 포커싱 코일의 외주변에 권선되는 것을 특징으로 하는 광 픽업 액츄에이터.
- 중심부에 대물렌즈를 취부하고 다축 방향으로 가동하는 렌즈홀더;상기 렌즈홀더의 양측면 좌/우에 각각 구비된 포커싱 코일;상기 포커싱 코일의 일측과 각각 밀착되게 구비된 레디얼 코일;상기 렌즈홀더의 양측면 중앙에 구비된 트랙킹 코일;상기 렌즈홀더의 양측면에 위치한 상기 코일들과 서로 다른 극성이 대향되는 마그네트를 포함하고,상기 포커싱 코일은 상기 렌즈홀더의 양측면 좌/우에 형성된 보빈의 외면에 권선되며, 상기 레디얼 코일은 상기 보빈의 내면에 상기 포커싱 코일과 밀착되게 권선되는 것을 특징으로 하는 광 픽업 액츄에이터.
- 중심부에 대물렌즈를 취부하고 다축 방향으로 가동하는 렌즈홀더;상기 렌즈홀더의 양측면 좌/우에 각각 구비된 포커싱 코일;상기 포커싱 코일의 일측과 각각 밀착되게 구비된 레디얼 코일;상기 렌즈홀더의 양측면 중앙에 구비된 트랙킹 코일;상기 렌즈홀더의 양측면에 위치한 상기 코일들과 서로 다른 극성이 대향되는 마그네트를 포함하고,상기 포커싱 코일은 상기 렌즈홀더의 양측면 좌/우에 형성된 보빈의 내면에 권선되며, 상기 레디얼 코일은 상기 보빈의 외면에 상기 포커싱 코일과 밀착되게 권선되는 것을 특징으로 하는 광 픽업 액츄에이터.
- 삭제
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040047976A KR101043101B1 (ko) | 2004-06-25 | 2004-06-25 | 광 픽업 액츄에이터 |
US11/154,809 US7724614B2 (en) | 2004-06-25 | 2005-06-17 | Optical pickup actuator |
DE602005011896T DE602005011896D1 (de) | 2004-06-25 | 2005-06-22 | Antrieb für einen optischen Abtastkopf |
AT05013499T ATE418780T1 (de) | 2004-06-25 | 2005-06-22 | Antrieb für einen optischen abtastkopf |
EP05013499A EP1612780B1 (en) | 2004-06-25 | 2005-06-22 | Optical pickup actuator |
CNB2005100811892A CN100356462C (zh) | 2004-06-25 | 2005-06-23 | 光学拾波器执行器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040047976A KR101043101B1 (ko) | 2004-06-25 | 2004-06-25 | 광 픽업 액츄에이터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050123347A KR20050123347A (ko) | 2005-12-29 |
KR101043101B1 true KR101043101B1 (ko) | 2011-06-20 |
Family
ID=35924739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040047976A KR101043101B1 (ko) | 2004-06-25 | 2004-06-25 | 광 픽업 액츄에이터 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR101043101B1 (ko) |
CN (1) | CN100356462C (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101399012B1 (ko) | 2007-09-12 | 2014-05-26 | 삼성전기주식회사 | 영상 복원 장치 및 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020096296A (ko) * | 2001-06-19 | 2002-12-31 | 삼성전자 주식회사 | 광픽업 액튜에이터 |
KR20040042376A (ko) * | 2002-11-14 | 2004-05-20 | 삼성전자주식회사 | 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020006090A1 (en) * | 2000-07-14 | 2002-01-17 | Tdk Corporation | Objective lens drive apparatus for use in optical pickup |
US7287264B2 (en) * | 2002-06-06 | 2007-10-23 | Ricoh Company, Ltd. | Objective lens drive apparatus with objective lens portion movable along support member axial direction |
-
2004
- 2004-06-25 KR KR1020040047976A patent/KR101043101B1/ko not_active IP Right Cessation
-
2005
- 2005-06-23 CN CNB2005100811892A patent/CN100356462C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020096296A (ko) * | 2001-06-19 | 2002-12-31 | 삼성전자 주식회사 | 광픽업 액튜에이터 |
KR20040042376A (ko) * | 2002-11-14 | 2004-05-20 | 삼성전자주식회사 | 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기 |
Also Published As
Publication number | Publication date |
---|---|
CN100356462C (zh) | 2007-12-19 |
KR20050123347A (ko) | 2005-12-29 |
CN1725317A (zh) | 2006-01-25 |
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