JPH0526256B2 - - Google Patents
Info
- Publication number
- JPH0526256B2 JPH0526256B2 JP57221092A JP22109282A JPH0526256B2 JP H0526256 B2 JPH0526256 B2 JP H0526256B2 JP 57221092 A JP57221092 A JP 57221092A JP 22109282 A JP22109282 A JP 22109282A JP H0526256 B2 JPH0526256 B2 JP H0526256B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- tracking
- movable
- outer circumferential
- fixed
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000779 smoke Substances 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
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57221092A JPS59112447A (ja) | 1982-12-18 | 1982-12-18 | 光ピツクアツプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57221092A JPS59112447A (ja) | 1982-12-18 | 1982-12-18 | 光ピツクアツプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59112447A JPS59112447A (ja) | 1984-06-28 |
JPH0526256B2 true JPH0526256B2 (zh) | 1993-04-15 |
Family
ID=16761361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57221092A Granted JPS59112447A (ja) | 1982-12-18 | 1982-12-18 | 光ピツクアツプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59112447A (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61156024U (zh) * | 1985-03-18 | 1986-09-27 | ||
JPH03100935A (ja) * | 1989-09-12 | 1991-04-25 | Hitachi Ltd | 光ピツクアツプの防塵装置 |
US5144611A (en) * | 1990-10-01 | 1992-09-01 | International Business Machines Corporation | Optical disk drive cleaner cartridge |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51151513A (en) * | 1975-06-20 | 1976-12-27 | Hitachi Ltd | Magnetic disk mechanism |
JPS5549352B2 (zh) * | 1977-06-08 | 1980-12-11 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5721152Y2 (zh) * | 1978-09-25 | 1982-05-07 |
-
1982
- 1982-12-18 JP JP57221092A patent/JPS59112447A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51151513A (en) * | 1975-06-20 | 1976-12-27 | Hitachi Ltd | Magnetic disk mechanism |
JPS5549352B2 (zh) * | 1977-06-08 | 1980-12-11 |
Also Published As
Publication number | Publication date |
---|---|
JPS59112447A (ja) | 1984-06-28 |
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