JPS5877071A - デイスク装置 - Google Patents
デイスク装置Info
- Publication number
- JPS5877071A JPS5877071A JP17545681A JP17545681A JPS5877071A JP S5877071 A JPS5877071 A JP S5877071A JP 17545681 A JP17545681 A JP 17545681A JP 17545681 A JP17545681 A JP 17545681A JP S5877071 A JPS5877071 A JP S5877071A
- Authority
- JP
- Japan
- Prior art keywords
- scale
- head
- optical
- disk
- track
- 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 description 46
- 238000001514 detection method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 241000271566 Aves Species 0.000 description 1
- 241000219745 Lupinus Species 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 241000722270 Regulus Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000004904 shortening 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
- G11B7/085—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
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
- G11B7/08588—Sled-type positioners with position sensing by means of an auxiliary system using an external scale
Landscapes
- Moving Of Head For Track Selection And Changing (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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17545681A JPS5877071A (ja) | 1981-10-31 | 1981-10-31 | デイスク装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17545681A JPS5877071A (ja) | 1981-10-31 | 1981-10-31 | デイスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5877071A true JPS5877071A (ja) | 1983-05-10 |
JPH0135429B2 JPH0135429B2 (enrdf_load_stackoverflow) | 1989-07-25 |
Family
ID=15996382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17545681A Granted JPS5877071A (ja) | 1981-10-31 | 1981-10-31 | デイスク装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5877071A (enrdf_load_stackoverflow) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58212660A (ja) * | 1982-06-03 | 1983-12-10 | Matsushita Electric Ind Co Ltd | 高密度記録円盤再生装置 |
JPS6079571A (ja) * | 1983-10-04 | 1985-05-07 | Seiko Epson Corp | 回転式磁気記録再生装置 |
JPS61142578A (ja) * | 1984-12-17 | 1986-06-30 | Fuji Photo Film Co Ltd | 画像記録装置 |
JPS62103884A (ja) * | 1985-07-04 | 1987-05-14 | Nec Corp | サ−ボ信号書込装置 |
JPS62257680A (ja) * | 1986-05-01 | 1987-11-10 | Hitachi Electronics Eng Co Ltd | サ−ボトラツクライタにおけるサ−ボヘツドのオフセツト方法 |
JPH01165075A (ja) * | 1987-12-21 | 1989-06-29 | Ricoh Co Ltd | 光デイスク駆動装置の制御方法 |
JPH02158971A (ja) * | 1988-12-13 | 1990-06-19 | Canon Inc | 記録又は再生装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136365A (en) * | 1976-07-06 | 1979-01-23 | Data Recording Instrument Co. Ltd. | Magnetic disc storage devices having compensation for dimensional changes |
JPS5436906A (en) * | 1977-08-29 | 1979-03-19 | Hitachi Ltd | Information reproducer |
JPS5469808U (enrdf_load_stackoverflow) * | 1977-10-27 | 1979-05-18 |
-
1981
- 1981-10-31 JP JP17545681A patent/JPS5877071A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136365A (en) * | 1976-07-06 | 1979-01-23 | Data Recording Instrument Co. Ltd. | Magnetic disc storage devices having compensation for dimensional changes |
JPS5436906A (en) * | 1977-08-29 | 1979-03-19 | Hitachi Ltd | Information reproducer |
JPS5469808U (enrdf_load_stackoverflow) * | 1977-10-27 | 1979-05-18 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58212660A (ja) * | 1982-06-03 | 1983-12-10 | Matsushita Electric Ind Co Ltd | 高密度記録円盤再生装置 |
JPS6079571A (ja) * | 1983-10-04 | 1985-05-07 | Seiko Epson Corp | 回転式磁気記録再生装置 |
JPS61142578A (ja) * | 1984-12-17 | 1986-06-30 | Fuji Photo Film Co Ltd | 画像記録装置 |
JPS62103884A (ja) * | 1985-07-04 | 1987-05-14 | Nec Corp | サ−ボ信号書込装置 |
JPS62257680A (ja) * | 1986-05-01 | 1987-11-10 | Hitachi Electronics Eng Co Ltd | サ−ボトラツクライタにおけるサ−ボヘツドのオフセツト方法 |
JPH01165075A (ja) * | 1987-12-21 | 1989-06-29 | Ricoh Co Ltd | 光デイスク駆動装置の制御方法 |
JPH02158971A (ja) * | 1988-12-13 | 1990-06-19 | Canon Inc | 記録又は再生装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0135429B2 (enrdf_load_stackoverflow) | 1989-07-25 |
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