JPS5898851A - トラツク検索装置 - Google Patents
トラツク検索装置Info
- Publication number
- JPS5898851A JPS5898851A JP56198082A JP19808281A JPS5898851A JP S5898851 A JPS5898851 A JP S5898851A JP 56198082 A JP56198082 A JP 56198082A JP 19808281 A JP19808281 A JP 19808281A JP S5898851 A JPS5898851 A JP S5898851A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- track
- groove
- difference 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.)
- Granted
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 The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56198082A JPS5898851A (ja) | 1981-12-08 | 1981-12-08 | トラツク検索装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56198082A JPS5898851A (ja) | 1981-12-08 | 1981-12-08 | トラツク検索装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5898851A true JPS5898851A (ja) | 1983-06-11 |
| JPS6233649B2 JPS6233649B2 (enExample) | 1987-07-22 |
Family
ID=16385207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56198082A Granted JPS5898851A (ja) | 1981-12-08 | 1981-12-08 | トラツク検索装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5898851A (enExample) |
-
1981
- 1981-12-08 JP JP56198082A patent/JPS5898851A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6233649B2 (enExample) | 1987-07-22 |
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