KR100288288B1 - 디.씨모터를채용한광디스크재생장치 - Google Patents
디.씨모터를채용한광디스크재생장치 Download PDFInfo
- Publication number
- KR100288288B1 KR100288288B1 KR1019970080575A KR19970080575A KR100288288B1 KR 100288288 B1 KR100288288 B1 KR 100288288B1 KR 1019970080575 A KR1019970080575 A KR 1019970080575A KR 19970080575 A KR19970080575 A KR 19970080575A KR 100288288 B1 KR100288288 B1 KR 100288288B1
- Authority
- KR
- South Korea
- Prior art keywords
- motor
- optical disc
- control signal
- signal
- width modulation
- 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
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
-
- 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
- G11B7/08582—Sled-type positioners
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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
- G11B7/09—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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
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- 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
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Claims (2)
- 트랙킹 액츄에이터와 포커싱 액츄에이터 및 슬레드 이송모터를 각각 구동시키기 위한 구동신호들을 발생하여 출력하는 액츄에이터 구동부를 구비하는 광 디스크 재생장치에 있어서,인가되는 펄스폭 변조제어신호에 의해 회전하며 회전시 로터와 스테이터간의 상대위치에 따른 FG신호를 발생하여 출력하는 DC모터와,상기 DC모터의 회전에 의해 발생된 FG신호를 펄스형태로 변환출력하는 주파수 발생부와,상기 주파수 발생부로부터 출력되는 FG펄스를 일정 시간동안 카운팅하고 그 카운팅값을 목표값과 비교하여 비교오차를 보상하기 위한 펄스폭 변조제어신호를 출력하는 제어부로 구성함을 특징으로 하는 DC모터 채용 광 디스크 재생장치.
- 제1항에 있어서, 상기 펄스폭 변조제어신호는 상기 액츄에이터 구동부를 통해 상기 DC모터에 인가됨을 특징으로 하는 DC모터 채용 광 디스크 재생장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970080575A KR100288288B1 (ko) | 1997-12-31 | 1997-12-31 | 디.씨모터를채용한광디스크재생장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970080575A KR100288288B1 (ko) | 1997-12-31 | 1997-12-31 | 디.씨모터를채용한광디스크재생장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990060353A KR19990060353A (ko) | 1999-07-26 |
| KR100288288B1 true KR100288288B1 (ko) | 2001-05-02 |
Family
ID=37517415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970080575A Expired - Fee Related KR100288288B1 (ko) | 1997-12-31 | 1997-12-31 | 디.씨모터를채용한광디스크재생장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100288288B1 (ko) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930014439A (ko) * | 1991-12-30 | 1993-07-23 | 백중영 | 보호기능을 갖춘 광디스크 드라이버의 구동장치 |
| KR970012515A (ko) * | 1995-08-22 | 1997-03-29 | 김광호 | 주파수 발생기의 제어를 이용한 회전서보의 제어장치 |
-
1997
- 1997-12-31 KR KR1019970080575A patent/KR100288288B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930014439A (ko) * | 1991-12-30 | 1993-07-23 | 백중영 | 보호기능을 갖춘 광디스크 드라이버의 구동장치 |
| KR970012515A (ko) * | 1995-08-22 | 1997-03-29 | 김광호 | 주파수 발생기의 제어를 이용한 회전서보의 제어장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990060353A (ko) | 1999-07-26 |
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