JPS5532239A - Reproducing device - Google Patents
Reproducing deviceInfo
- Publication number
- JPS5532239A JPS5532239A JP10403878A JP10403878A JPS5532239A JP S5532239 A JPS5532239 A JP S5532239A JP 10403878 A JP10403878 A JP 10403878A JP 10403878 A JP10403878 A JP 10403878A JP S5532239 A JPS5532239 A JP S5532239A
- Authority
- JP
- Japan
- Prior art keywords
- jumping
- tracking control
- command
- speed
- outputs
- 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.)
- Granted
Links
- 230000009191 jumping Effects 0.000 abstract 9
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- 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
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
-
- 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
- G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
-
- 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
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10403878A JPS5532239A (en) | 1978-08-25 | 1978-08-25 | Reproducing device |
US06/380,343 US4539664A (en) | 1978-08-25 | 1982-05-20 | Control system for optical information signal reproduction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10403878A JPS5532239A (en) | 1978-08-25 | 1978-08-25 | Reproducing device |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60120948A Division JPH0632173B2 (ja) | 1985-06-04 | 1985-06-04 | 再生装置 |
JP12094985A Division JPS6111946A (ja) | 1985-06-04 | 1985-06-04 | トラツキング誤差信号検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5532239A true JPS5532239A (en) | 1980-03-06 |
JPS6325411B2 JPS6325411B2 (enrdf_load_stackoverflow) | 1988-05-25 |
Family
ID=14370046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10403878A Granted JPS5532239A (en) | 1978-08-25 | 1978-08-25 | Reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5532239A (enrdf_load_stackoverflow) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490859A1 (fr) * | 1980-09-22 | 1982-03-26 | Victor Company Of Japan | Appareil de reproduction de support d'enregistrement tournant mettant un systeme de commande de suivi de piste dans un etat de non-fonctionnement lorsque le suivi de piste d'un element de reproduction n'est pas necessaire |
JPS58150141A (ja) * | 1982-03-02 | 1983-09-06 | Aiwa Co Ltd | 光学式情報読取装置 |
JPS58200472A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | 記録情報再生装置のトラツキング制御装置 |
JPS59500884A (ja) * | 1982-05-19 | 1984-05-17 | バロ−ス・コ−ポレ−ション | 改良された位置及び焦点制御回路を有する光学メモリシステム |
JPS61150296A (ja) * | 1984-12-24 | 1986-07-08 | 株式会社小糸製作所 | プリント回路板の製造方法及びプリント回路板の製造装置 |
EP0164071A3 (en) * | 1984-06-01 | 1988-04-06 | Nippon Gakki Seizo Kabushiki Kaisha | Pickup head position control device in an optical type disc reproducing device |
JPS63271773A (ja) * | 1988-03-02 | 1988-11-09 | Matsushita Electric Ind Co Ltd | ジャンピング走査装置 |
US4790902A (en) * | 1986-02-21 | 1988-12-13 | Meiko Electronics Co., Ltd. | Method of producing conductor circuit boards |
JPH0782648B2 (ja) * | 1982-02-17 | 1995-09-06 | バロ−ス コ−ポレ−ション | 高密度データ記憶装置 |
-
1978
- 1978-08-25 JP JP10403878A patent/JPS5532239A/ja active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490859A1 (fr) * | 1980-09-22 | 1982-03-26 | Victor Company Of Japan | Appareil de reproduction de support d'enregistrement tournant mettant un systeme de commande de suivi de piste dans un etat de non-fonctionnement lorsque le suivi de piste d'un element de reproduction n'est pas necessaire |
JPH0782648B2 (ja) * | 1982-02-17 | 1995-09-06 | バロ−ス コ−ポレ−ション | 高密度データ記憶装置 |
JPS58150141A (ja) * | 1982-03-02 | 1983-09-06 | Aiwa Co Ltd | 光学式情報読取装置 |
JPS58200472A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | 記録情報再生装置のトラツキング制御装置 |
JPS59500884A (ja) * | 1982-05-19 | 1984-05-17 | バロ−ス・コ−ポレ−ション | 改良された位置及び焦点制御回路を有する光学メモリシステム |
EP0164071A3 (en) * | 1984-06-01 | 1988-04-06 | Nippon Gakki Seizo Kabushiki Kaisha | Pickup head position control device in an optical type disc reproducing device |
US4803675A (en) * | 1984-06-01 | 1989-02-07 | Nippon Gakki Seizo Kabushiki Kaisha | High speed, low power consumption pickup head position control device in an optical type disc reproducing device |
JPS61150296A (ja) * | 1984-12-24 | 1986-07-08 | 株式会社小糸製作所 | プリント回路板の製造方法及びプリント回路板の製造装置 |
US4790902A (en) * | 1986-02-21 | 1988-12-13 | Meiko Electronics Co., Ltd. | Method of producing conductor circuit boards |
JPS63271773A (ja) * | 1988-03-02 | 1988-11-09 | Matsushita Electric Ind Co Ltd | ジャンピング走査装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6325411B2 (enrdf_load_stackoverflow) | 1988-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS55108940A (en) | Device for controlling beam position | |
ES450801A1 (es) | Aparato para leer un registro en forma de disco. | |
JPS57200960A (en) | Recording and reproducing method and its device | |
JPS5532239A (en) | Reproducing device | |
EP0304299A3 (en) | An optical disc drive | |
KR870006556A (ko) | 트랙킹서보 제어장치 | |
JPS5313309A (en) | Optically reproducing unit | |
JPS57120275A (en) | Tracking servo lead-in system of recorded information reader | |
KR840003511A (ko) | 디스크 재생장치 | |
KR100195557B1 (en) | Optical disk and movement control of its optical spot | |
JPS5345509A (en) | Automatic tracking apparatus | |
JPS55113197A (en) | Optical memory unit | |
JPS5532240A (en) | Reproducing device | |
JPS56124168A (en) | Device for reproducing information | |
JPS5465504A (en) | Recording-reproducing system of information | |
JPS54155007A (en) | Information recorder | |
JPS57103138A (en) | Inspecting method for recording medium | |
JPS5755541A (en) | Optical reader | |
EP0317338A3 (en) | System and method for accessing tracks for optical disc apparatus | |
JPS5755530A (en) | Head tracking controller | |
JPS576443A (en) | Recorder and reproducer | |
JPS56165950A (en) | Phase adjuster for vtr | |
JPS6443878A (en) | Track accessing device in disk reproducing device | |
JPS6421704A (en) | Floppy disk controller | |
JPS57111833A (en) | Optical disk device |