KR920003426B1 - 스핀들 모터의 과회전 방지장치 - Google Patents
스핀들 모터의 과회전 방지장치 Download PDFInfo
- Publication number
- KR920003426B1 KR920003426B1 KR1019890014668A KR890014668A KR920003426B1 KR 920003426 B1 KR920003426 B1 KR 920003426B1 KR 1019890014668 A KR1019890014668 A KR 1019890014668A KR 890014668 A KR890014668 A KR 890014668A KR 920003426 B1 KR920003426 B1 KR 920003426B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- spindle motor
- frequency sensor
- video
- synchronization signal
- 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
Links
Images
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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
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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
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
- G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
Landscapes
- Control Of Electric Motors In General (AREA)
- Rotational Drive Of Disk (AREA)
Abstract
Description
Claims (1)
- 비디오 디스크를 회전시키는 스핀들 모터의 회전수를 감지하는 주파수 센서와 상기 주파수 센서에 의해 감지된 신호와 기준 동기신호 발생부에서 발생된 기순 동기신호를 비교하여 스핀들 서보장치로 하여금 상기의 스핀들 모터를 제어하는 타임베이스 콘트롤러 및 광픽업에 의해 읽혀진 상기 디스크의 비디오 신호를 제어하여 영상출력을 발생하기 위한 비디오 신호처리부를 구비한 스핀들 모터 과회전 방지장치에 있어서; 상기 주파수 센서의 고장시 비디오 신호에 포함된 수평동기신호를 검출하기 위한 수평동기신호 검출수단과; 상기 검출된 수평동기신호와 소정의 기준 동기신호를 비교하여 수평동기신호가 기준 동기신호보다 클 경우 소정의 비교신호를 발생시키기 위한 비교수단 및; 상기의 비교신호가 하이 상태일 경우 스핀들 모터에 공급되는 전원을 차단하여 스핀들 모터의 회전을 자동으로 정지시키기 위한 제어 수단으로 구성시켜서 됨을 특징으로 하는 스핀들 모터의 과회전 방지장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890014668A KR920003426B1 (ko) | 1989-10-13 | 1989-10-13 | 스핀들 모터의 과회전 방지장치 |
| US07/518,574 US5051674A (en) | 1989-10-13 | 1990-05-03 | Apparatus for preventing an overrun of a spindle motor |
| DE4015070A DE4015070C2 (de) | 1989-10-13 | 1990-05-10 | Vorrichtung zur Verhinderung einer Drehzahlüberhöhung eines Spindelmotors |
| CA002017182A CA2017182C (en) | 1989-10-13 | 1990-05-18 | Apparatus for preventing an overrun of a spindle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890014668A KR920003426B1 (ko) | 1989-10-13 | 1989-10-13 | 스핀들 모터의 과회전 방지장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910008696A KR910008696A (ko) | 1991-05-31 |
| KR920003426B1 true KR920003426B1 (ko) | 1992-04-30 |
Family
ID=19290629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890014668A Expired KR920003426B1 (ko) | 1989-10-13 | 1989-10-13 | 스핀들 모터의 과회전 방지장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5051674A (ko) |
| KR (1) | KR920003426B1 (ko) |
| CA (1) | CA2017182C (ko) |
| DE (1) | DE4015070C2 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930003193B1 (ko) * | 1991-01-25 | 1993-04-23 | 삼성전자주식회사 | 스핀들 모터 이상 회전 방지회로 |
| KR100431698B1 (ko) * | 1996-12-19 | 2004-07-16 | 디지털 비디오 시스템스 인코퍼레이션 | 씨디 플레이어의 공회전 방지방법 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893169A (en) * | 1973-01-29 | 1975-07-01 | Arvin Ind Inc | Video recorder which accepts a plurality of horizontal line rates |
| GB1572346A (en) * | 1976-03-19 | 1980-07-30 | Rca Corp | Velocity and phase control for a disc recording and reproducing apparatus |
| JPS551622A (en) * | 1978-06-19 | 1980-01-08 | Sony Corp | Code signal reader |
| JPS5835703A (ja) * | 1981-08-24 | 1983-03-02 | Asahi Optical Co Ltd | 記録情報の再生装置 |
| JPS58137374A (ja) * | 1982-02-10 | 1983-08-15 | Asahi Optical Co Ltd | ビデオ信号の再生装置 |
| JPS5968872A (ja) * | 1982-10-14 | 1984-04-18 | Sony Corp | ディスク駆動装置 |
| JPS5990262A (ja) * | 1982-11-15 | 1984-05-24 | Nippon Gakki Seizo Kk | デイスクの再生装置 |
| JPS59185071A (ja) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | 情報記録デイスクの再生速度制御装置 |
| JPS60113680A (ja) * | 1983-11-22 | 1985-06-20 | Victor Co Of Japan Ltd | モ−タの回転制御装置 |
| JPS60111556U (ja) * | 1983-12-29 | 1985-07-29 | パイオニア株式会社 | 情報再生装置 |
| JPS6151673A (ja) * | 1984-08-21 | 1986-03-14 | Pioneer Electronic Corp | 時間軸制御方式 |
| JPS61129778A (ja) * | 1984-11-28 | 1986-06-17 | Pioneer Electronic Corp | デイスク再生方式 |
| US4748608A (en) * | 1985-03-12 | 1988-05-31 | Pioneer Electronic Corporation | Servo apparatus for tracking and rotational speed control |
| US4815063A (en) * | 1985-09-13 | 1989-03-21 | Yamaha Corporation | Disc motor control circuit for controlling the rotation of a disc in a disc playing device |
| JPS6282562A (ja) * | 1985-10-07 | 1987-04-16 | Nippon Gakki Seizo Kk | ビデオデイスク再生装置の2倍速検出回路 |
| EP0220007B1 (en) * | 1985-10-07 | 1993-12-22 | Yamaha Corporation | Synchronizing circuit for a video disc playback device |
| JP2630375B2 (ja) * | 1986-02-28 | 1997-07-16 | パイオニア株式会社 | アドレス探索機能を有する情報再生装置 |
| JPS62259263A (ja) * | 1986-05-06 | 1987-11-11 | Pioneer Electronic Corp | スピンドルサ−ボ引込み方法及びその装置 |
| JPH0734288B2 (ja) * | 1986-09-24 | 1995-04-12 | 株式会社日立製作所 | デイスク回転駆動装置 |
| US4885644A (en) * | 1987-01-28 | 1989-12-05 | Pioneer Electronic Corporation | Spindle servo device for data recording disk reproducing apparatus |
| JPS6454985A (en) * | 1987-08-26 | 1989-03-02 | Sony Corp | Video reproducer |
| US4835632A (en) * | 1987-09-16 | 1989-05-30 | International Business Machines Corporation | Disk file digital servo control system with multiple sampling rate |
-
1989
- 1989-10-13 KR KR1019890014668A patent/KR920003426B1/ko not_active Expired
-
1990
- 1990-05-03 US US07/518,574 patent/US5051674A/en not_active Expired - Lifetime
- 1990-05-10 DE DE4015070A patent/DE4015070C2/de not_active Expired - Fee Related
- 1990-05-18 CA CA002017182A patent/CA2017182C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2017182C (en) | 1995-12-26 |
| DE4015070C2 (de) | 1996-04-11 |
| US5051674A (en) | 1991-09-24 |
| DE4015070A1 (de) | 1991-04-25 |
| CA2017182A1 (en) | 1991-04-13 |
| KR910008696A (ko) | 1991-05-31 |
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