JPS6166267A - トラツクアクセス装置 - Google Patents
トラツクアクセス装置Info
- Publication number
- JPS6166267A JPS6166267A JP18698784A JP18698784A JPS6166267A JP S6166267 A JPS6166267 A JP S6166267A JP 18698784 A JP18698784 A JP 18698784A JP 18698784 A JP18698784 A JP 18698784A JP S6166267 A JPS6166267 A JP S6166267A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- signal
- reproducing means
- speed
- disk
- 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
- 238000001514 detection method Methods 0.000 claims description 24
- 238000010586 diagram Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- 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
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Control Of Position Or Direction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18698784A JPS6166267A (ja) | 1984-09-06 | 1984-09-06 | トラツクアクセス装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18698784A JPS6166267A (ja) | 1984-09-06 | 1984-09-06 | トラツクアクセス装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6166267A true JPS6166267A (ja) | 1986-04-05 |
JPH0435830B2 JPH0435830B2 (en, 2012) | 1992-06-12 |
Family
ID=16198214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18698784A Granted JPS6166267A (ja) | 1984-09-06 | 1984-09-06 | トラツクアクセス装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6166267A (en, 2012) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6467774A (en) * | 1987-09-08 | 1989-03-14 | Pioneer Electronic Corp | Oscillation prevention method for pickup tracking unit |
JPH03154234A (ja) * | 1989-11-10 | 1991-07-02 | Matsushita Electric Ind Co Ltd | 焦点制御の引き込み装置 |
JPH03266006A (ja) * | 1990-03-16 | 1991-11-27 | Hitachi Constr Mach Co Ltd | 位置決めテーブルの駆動制御方法 |
US7815194B2 (en) | 2004-12-07 | 2010-10-19 | Nippon Pillar Packing Co., Ltd. | Mechanical seal and mechanical seal device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166567A (ja) * | 1982-03-26 | 1983-10-01 | Matsushita Electric Ind Co Ltd | 情報トラックの検索装置 |
-
1984
- 1984-09-06 JP JP18698784A patent/JPS6166267A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58166567A (ja) * | 1982-03-26 | 1983-10-01 | Matsushita Electric Ind Co Ltd | 情報トラックの検索装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6467774A (en) * | 1987-09-08 | 1989-03-14 | Pioneer Electronic Corp | Oscillation prevention method for pickup tracking unit |
JPH03154234A (ja) * | 1989-11-10 | 1991-07-02 | Matsushita Electric Ind Co Ltd | 焦点制御の引き込み装置 |
JPH03266006A (ja) * | 1990-03-16 | 1991-11-27 | Hitachi Constr Mach Co Ltd | 位置決めテーブルの駆動制御方法 |
US7815194B2 (en) | 2004-12-07 | 2010-10-19 | Nippon Pillar Packing Co., Ltd. | Mechanical seal and mechanical seal device |
Also Published As
Publication number | Publication date |
---|---|
JPH0435830B2 (en, 2012) | 1992-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |