JPS5733442A - Following measuring device - Google Patents
Following measuring deviceInfo
- Publication number
- JPS5733442A JPS5733442A JP10599280A JP10599280A JPS5733442A JP S5733442 A JPS5733442 A JP S5733442A JP 10599280 A JP10599280 A JP 10599280A JP 10599280 A JP10599280 A JP 10599280A JP S5733442 A JPS5733442 A JP S5733442A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- displacement
- detector
- optical disk
- optical
- 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
- 230000003287 optical effect Effects 0.000 abstract 5
- 238000006073 displacement reaction Methods 0.000 abstract 3
- 238000005259 measurement Methods 0.000 abstract 1
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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- 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 |
|---|---|---|---|
| JP10599280A JPS5733442A (en) | 1980-07-31 | 1980-07-31 | Following measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10599280A JPS5733442A (en) | 1980-07-31 | 1980-07-31 | Following measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733442A true JPS5733442A (en) | 1982-02-23 |
| JPH028377B2 JPH028377B2 (enrdf_load_stackoverflow) | 1990-02-23 |
Family
ID=14422212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10599280A Granted JPS5733442A (en) | 1980-07-31 | 1980-07-31 | Following measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5733442A (enrdf_load_stackoverflow) |
-
1980
- 1980-07-31 JP JP10599280A patent/JPS5733442A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028377B2 (enrdf_load_stackoverflow) | 1990-02-23 |
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