JPH0311008B2 - - Google Patents
Info
- Publication number
- JPH0311008B2 JPH0311008B2 JP13822981A JP13822981A JPH0311008B2 JP H0311008 B2 JPH0311008 B2 JP H0311008B2 JP 13822981 A JP13822981 A JP 13822981A JP 13822981 A JP13822981 A JP 13822981A JP H0311008 B2 JPH0311008 B2 JP H0311008B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- information
- light
- track
- reproducing device
- 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 26
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000002411 adverse Effects 0.000 description 5
- 230000004075 alteration Effects 0.000 description 2
- 239000010979 ruby Substances 0.000 description 2
- 229910001750 ruby Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 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
- G11B7/0901—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 for track following only
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 |
---|---|---|---|
JP13822981A JPS5841445A (ja) | 1981-09-01 | 1981-09-01 | 光学式情報再生装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13822981A JPS5841445A (ja) | 1981-09-01 | 1981-09-01 | 光学式情報再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5841445A JPS5841445A (ja) | 1983-03-10 |
JPH0311008B2 true JPH0311008B2 (enrdf_load_stackoverflow) | 1991-02-15 |
Family
ID=15217100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13822981A Granted JPS5841445A (ja) | 1981-09-01 | 1981-09-01 | 光学式情報再生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5841445A (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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
- 1981-09-01 JP JP13822981A patent/JPS5841445A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5841445A (ja) | 1983-03-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4144763B2 (ja) | 情報ピックアップ装置及び光ディスク装置 | |
JPH10134400A (ja) | 光ヘッド装置 | |
JPH0311008B2 (enrdf_load_stackoverflow) | ||
JPH0917005A (ja) | 光ピックアップ | |
JPH09330532A (ja) | 光学ピックアップ装置 | |
JPH051535B2 (enrdf_load_stackoverflow) | ||
JP4284937B2 (ja) | 光学ピックアップ装置、光学ピックアップ装置の製造方法及び記録再生装置 | |
JP3379250B2 (ja) | 光ヘッド複合体及び光記録再生装置 | |
JPS58177532A (ja) | 光ビ−ム制御機構 | |
JP3083068B2 (ja) | 光ピックアップ装置 | |
JPH0333937Y2 (enrdf_load_stackoverflow) | ||
JPS6132235A (ja) | 光学的情報処理装置 | |
JP4274285B2 (ja) | 情報ピックアップ装置及び光ディスク装置 | |
JP3692729B2 (ja) | 光ディスク装置 | |
JPH10302292A (ja) | 光学ピックアップ装置の製造方法 | |
JPS6256580B2 (enrdf_load_stackoverflow) | ||
JPS5998327A (ja) | 光学再生装置 | |
JPH103690A (ja) | 光学ピックアップ | |
JPH11273129A (ja) | 光ピックアップ装置 | |
JPH0568774B2 (enrdf_load_stackoverflow) | ||
JPS61190729A (ja) | 光学的情報処理装置 | |
JP2004253049A (ja) | 光ピックアップ装置 | |
JPH11259888A (ja) | 偏向装置および光情報記録再生ヘッド | |
JPH10326431A (ja) | 二軸アクチュエータの対物レンズ評価装置 | |
JPS60106036A (ja) | 光学式ピツクアツプ装置 |