KR0135137B1 - 광 디스크 플레이어의 픽업장치 - Google Patents
광 디스크 플레이어의 픽업장치Info
- Publication number
- KR0135137B1 KR0135137B1 KR1019940029171A KR19940029171A KR0135137B1 KR 0135137 B1 KR0135137 B1 KR 0135137B1 KR 1019940029171 A KR1019940029171 A KR 1019940029171A KR 19940029171 A KR19940029171 A KR 19940029171A KR 0135137 B1 KR0135137 B1 KR 0135137B1
- Authority
- KR
- South Korea
- Prior art keywords
- fixed
- magnesium
- lens holder
- focusing
- magnetic
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 65
- 239000011777 magnesium Substances 0.000 claims abstract description 65
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000408710 Hansa Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (2)
- 픽업베이스에 고정되어 자기력을 발생하는 고정 마그네슘와, 상기 픽업의 렌즈홀더에 고정되어 상기 고정 마그네슘의 자기력과 상호 반발하여 자기축 및 스프링 역할을 하는 가동 마그네슘와, 상기 렌즈홀더에 고정되어 전원을 공급받아 상기 고정 마그네슘의 자기력과 대향하여 포커스 방향의 로렌쯔 힘을 발생시키는 포커싱 코일과, 상기 포커싱 코일의 외측에 부착되어 전원을 공급받아 상기 고정 마그네슘의자기력과 대향하여 트랙킨 방향의 로렌쯔 힘을 발생시키는 트랙킹 코일로 구성되어 포커싱으로 렌즈홀더가 상, 하구동할 때 및 트랙킹으로 정, 역회전할대 고정 마그네슘가 가동 마그네슘가 상호 자기력에 으해 자기축 및 자기스프링 역할을 수행하도록 함을 특징으로 하는 광 디스크 플레이어의 픽업작치.
- 제1항에 있어서, 픽업베이스에 고정된 고정 마그네슘는 단극 착자된 한쌍의 마그네숨가 동일극으로 원주상태 대향되게 구성되고 렌즈홀더에 고정된 가동 마그네슘는 좌, 우 홈이 파진 형태로 단극착자되어 상기 고정 마스네슘의 원주상 내부에 위치하여 동일극으로 대항되게 구성되며, 상기 각 고정 마그네슘와 가동 마그네슘가 서로 반발력을 주고 받아 자기축과 자기스프링 역할을 수행하도록 함을 특징으로 한는 광디스크 플레이어의 픽업장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940029171A KR0135137B1 (ko) | 1994-11-08 | 1994-11-08 | 광 디스크 플레이어의 픽업장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940029171A KR0135137B1 (ko) | 1994-11-08 | 1994-11-08 | 광 디스크 플레이어의 픽업장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960019123A KR960019123A (ko) | 1996-06-17 |
KR0135137B1 true KR0135137B1 (ko) | 1998-04-22 |
Family
ID=19397342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940029171A Expired - Fee Related KR0135137B1 (ko) | 1994-11-08 | 1994-11-08 | 광 디스크 플레이어의 픽업장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0135137B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100728017B1 (ko) * | 2005-12-09 | 2007-06-13 | 삼성전자주식회사 | 렌즈 구동 장치 및 이를 구비한 광픽업 장치 |
-
1994
- 1994-11-08 KR KR1019940029171A patent/KR0135137B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100728017B1 (ko) * | 2005-12-09 | 2007-06-13 | 삼성전자주식회사 | 렌즈 구동 장치 및 이를 구비한 광픽업 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR960019123A (ko) | 1996-06-17 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19941108 |
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Patent event code: PA02012R01D Patent event date: 19941108 Comment text: Request for Examination of Application |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19970624 Patent event code: PE09021S01D |
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E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19971121 |
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Termination category: Default of registration fee Termination date: 20071210 |