KR19990077684A - 광학식 픽업 - Google Patents
광학식 픽업 Download PDFInfo
- Publication number
- KR19990077684A KR19990077684A KR1019990007546A KR19990007546A KR19990077684A KR 19990077684 A KR19990077684 A KR 19990077684A KR 1019990007546 A KR1019990007546 A KR 1019990007546A KR 19990007546 A KR19990007546 A KR 19990007546A KR 19990077684 A KR19990077684 A KR 19990077684A
- Authority
- KR
- South Korea
- Prior art keywords
- lens holder
- yoke
- magnet
- arm portion
- wall surface
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 230000004907 flux Effects 0.000 claims abstract description 13
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 8
- 239000000057 synthetic resin Substances 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 4
- 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 abstract description 14
- 239000000853 adhesive Substances 0.000 abstract description 11
- 230000001070 adhesive effect Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05961198A JP3532408B2 (ja) | 1998-03-11 | 1998-03-11 | 光学式ピックアップ |
| JP98-059611 | 1998-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19990077684A true KR19990077684A (ko) | 1999-10-25 |
Family
ID=13118229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990007546A KR19990077684A (ko) | 1998-03-11 | 1999-03-08 | 광학식 픽업 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3532408B2 (ja) |
| KR (1) | KR19990077684A (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7272840B2 (en) | 2002-08-24 | 2007-09-18 | Samsung Electronics Co., Ltd. | Objective lens driving apparatus used with an optical pickup |
| KR100713543B1 (ko) | 2003-12-29 | 2007-05-02 | 엘지전자 주식회사 | 광 픽업 액츄에이터 |
| JP5335612B2 (ja) * | 2008-08-21 | 2013-11-06 | 三洋電機株式会社 | 磁性部材の取付構造、ならびにピックアップ装置 |
-
1998
- 1998-03-11 JP JP05961198A patent/JP3532408B2/ja not_active Expired - Fee Related
-
1999
- 1999-03-08 KR KR1019990007546A patent/KR19990077684A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP3532408B2 (ja) | 2004-05-31 |
| JPH11259877A (ja) | 1999-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application |