JPS6215935B2 - - Google Patents
Info
- Publication number
- JPS6215935B2 JPS6215935B2 JP56125559A JP12555981A JPS6215935B2 JP S6215935 B2 JPS6215935 B2 JP S6215935B2 JP 56125559 A JP56125559 A JP 56125559A JP 12555981 A JP12555981 A JP 12555981A JP S6215935 B2 JPS6215935 B2 JP S6215935B2
- Authority
- JP
- Japan
- Prior art keywords
- support arm
- support
- signal
- drive
- tracking error
- 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
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
- G11B7/0927—Electromechanical actuators for lens positioning for focusing only
Landscapes
- Moving Of Heads (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12555981A JPS5826333A (ja) | 1981-08-11 | 1981-08-11 | 光学式ピツクアツプの送り装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12555981A JPS5826333A (ja) | 1981-08-11 | 1981-08-11 | 光学式ピツクアツプの送り装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5826333A JPS5826333A (ja) | 1983-02-16 |
JPS6215935B2 true JPS6215935B2 (enrdf_load_html_response) | 1987-04-09 |
Family
ID=14913190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12555981A Granted JPS5826333A (ja) | 1981-08-11 | 1981-08-11 | 光学式ピツクアツプの送り装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5826333A (enrdf_load_html_response) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60251530A (ja) * | 1984-05-25 | 1985-12-12 | Nippon Columbia Co Ltd | 光ヘツド装置 |
JPH0652579B2 (ja) * | 1984-09-03 | 1994-07-06 | パイオニア株式会社 | 光学式情報記録再生装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5246478B2 (enrdf_load_html_response) * | 1972-04-19 | 1977-11-25 | ||
JPS6030017B2 (ja) * | 1979-03-01 | 1985-07-13 | 三菱電機株式会社 | ディスク再生装置 |
-
1981
- 1981-08-11 JP JP12555981A patent/JPS5826333A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5826333A (ja) | 1983-02-16 |
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