JPS6233648B2 - - Google Patents
Info
- Publication number
- JPS6233648B2 JPS6233648B2 JP56157837A JP15783781A JPS6233648B2 JP S6233648 B2 JPS6233648 B2 JP S6233648B2 JP 56157837 A JP56157837 A JP 56157837A JP 15783781 A JP15783781 A JP 15783781A JP S6233648 B2 JPS6233648 B2 JP S6233648B2
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- signal
- groove
- track
- guide track
- 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
- 230000003287 optical effect Effects 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15783781A JPS5857640A (ja) | 1981-10-02 | 1981-10-02 | トラツキングサ−ボ引き込み装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15783781A JPS5857640A (ja) | 1981-10-02 | 1981-10-02 | トラツキングサ−ボ引き込み装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5857640A JPS5857640A (ja) | 1983-04-05 |
| JPS6233648B2 true JPS6233648B2 (xx) | 1987-07-22 |
Family
ID=15658417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15783781A Granted JPS5857640A (ja) | 1981-10-02 | 1981-10-02 | トラツキングサ−ボ引き込み装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857640A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59182810A (ja) * | 1983-03-31 | 1984-10-17 | Sumitomo Chem Co Ltd | アクリル系樹脂の製造法 |
| JPS60254469A (ja) * | 1984-05-31 | 1985-12-16 | Fuji Photo Film Co Ltd | 回転磁気記録体装置 |
| JPS6224442A (ja) * | 1985-07-25 | 1987-02-02 | Pioneer Electronic Corp | トラツキング引き込み装置 |
| JPS62243986A (ja) * | 1986-04-16 | 1987-10-24 | Sanyo Electric Co Ltd | ポンプ装置 |
| JP2723636B2 (ja) * | 1989-11-20 | 1998-03-09 | 株式会社日立製作所 | トラッキング制御装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5658141A (en) * | 1979-10-16 | 1981-05-21 | Pioneer Video Corp | Tracking servo read-in device for information reader |
-
1981
- 1981-10-02 JP JP15783781A patent/JPS5857640A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5658141A (en) * | 1979-10-16 | 1981-05-21 | Pioneer Video Corp | Tracking servo read-in device for information reader |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5857640A (ja) | 1983-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4621353A (en) | Optical memory system providing improved focusing control and improved beam combining and separating apparatus | |
| EP0077641B1 (en) | Method for improved focusing control in an optical memory system | |
| US4893298A (en) | Record-carrier body provided with a relief structure of optically detectable servo-track portions and sector addresses and apparatus for forming said structure | |
| JPS59500245A (ja) | 改良されたロングシ−ク能力を有する光学メモリシステム | |
| US4428069A (en) | Apparatus for preformatting an optical disk | |
| US4562568A (en) | Beam combining and separating apparatus useful for combining and separating reading and writing laser beams in an optical storage system | |
| JPS6233648B2 (xx) | ||
| JPS6313264B2 (xx) | ||
| US4888759A (en) | Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams | |
| JPH0587891B2 (xx) | ||
| JP2686958B2 (ja) | 光ピックアップ装置 | |
| JPS6236286B2 (xx) | ||
| US4559622A (en) | Optical memory system providing improved focus detection and control by detecting reflected beam diameter variations at spaced predetermined locations in the system | |
| JP2002517058A (ja) | 光学記録媒体 | |
| JPH0253223A (ja) | 光学式記録再生方法 | |
| JPS61153830A (ja) | 光デイスク装置 | |
| JPH0150972B2 (xx) | ||
| US5812515A (en) | Apparatus and method for playing back optical recording having high linear density | |
| JPS6049976B2 (ja) | 光学情報記録再生装置 | |
| JP2619850B2 (ja) | 情報記録媒体 | |
| US4622659A (en) | Focus detection and control apparatus for maintaining accurate focusing in an optical memory system by detecting reflected beam diameter variations at spaced predetermined locations | |
| JPS6038741A (ja) | 光学的情報記録装置 | |
| JPS6360449B2 (xx) | ||
| JPS6233649B2 (xx) | ||
| JPH0439130B2 (xx) |