JPH0359508B2 - - Google Patents
Info
- Publication number
- JPH0359508B2 JPH0359508B2 JP55130812A JP13081280A JPH0359508B2 JP H0359508 B2 JPH0359508 B2 JP H0359508B2 JP 55130812 A JP55130812 A JP 55130812A JP 13081280 A JP13081280 A JP 13081280A JP H0359508 B2 JPH0359508 B2 JP H0359508B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- light beam
- signal
- recording medium
- moving
- 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 - Lifetime
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
- G11B7/085—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
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13081280A JPS5755568A (en) | 1980-09-22 | 1980-09-22 | Recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13081280A JPS5755568A (en) | 1980-09-22 | 1980-09-22 | Recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5755568A JPS5755568A (en) | 1982-04-02 |
JPH0359508B2 true JPH0359508B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-09-10 |
Family
ID=15043280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13081280A Granted JPS5755568A (en) | 1980-09-22 | 1980-09-22 | Recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5755568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107463A (ja) * | 1982-12-09 | 1984-06-21 | Mitsubishi Electric Corp | 記憶装置 |
JPS59107462A (ja) * | 1982-12-09 | 1984-06-21 | Mitsubishi Electric Corp | 記憶装置 |
JPS59231777A (ja) * | 1983-06-13 | 1984-12-26 | Matsushita Electric Ind Co Ltd | トラツク間検出装置 |
JPH0766636B2 (ja) * | 1983-12-02 | 1995-07-19 | 松下電器産業株式会社 | 情報トラツクの検索装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4096534A (en) * | 1977-04-12 | 1978-06-20 | International Business Machines Corporation | Track accessing circuitry for a disk file with switchable filter |
JPS573267A (en) * | 1980-06-09 | 1982-01-08 | Nec Corp | Position signal reproduction system of positioning controller for magnetic head |
-
1980
- 1980-09-22 JP JP13081280A patent/JPS5755568A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5755568A (en) | 1982-04-02 |