JPS58199445A - 情報トラツクの読取り装置 - Google Patents
情報トラツクの読取り装置Info
- Publication number
- JPS58199445A JPS58199445A JP8295182A JP8295182A JPS58199445A JP S58199445 A JPS58199445 A JP S58199445A JP 8295182 A JP8295182 A JP 8295182A JP 8295182 A JP8295182 A JP 8295182A JP S58199445 A JPS58199445 A JP S58199445A
- Authority
- JP
- Japan
- Prior art keywords
- silicone resin
- elastic members
- objective lens
- information
- butyl rubber
- 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
- 229920002050 silicone resin Polymers 0.000 claims abstract description 13
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims 5
- 238000013016 damping Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 125000006850 spacer group Chemical group 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
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8295182A JPS58199445A (ja) | 1982-05-17 | 1982-05-17 | 情報トラツクの読取り装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8295182A JPS58199445A (ja) | 1982-05-17 | 1982-05-17 | 情報トラツクの読取り装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58199445A true JPS58199445A (ja) | 1983-11-19 |
| JPH0450659B2 JPH0450659B2 (enrdf_load_stackoverflow) | 1992-08-14 |
Family
ID=13788523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8295182A Granted JPS58199445A (ja) | 1982-05-17 | 1982-05-17 | 情報トラツクの読取り装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58199445A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5372906U (enrdf_load_stackoverflow) * | 1976-11-20 | 1978-06-19 | ||
| JPS5730128A (en) * | 1980-07-30 | 1982-02-18 | Hitachi Ltd | Optical head for optical disk device |
-
1982
- 1982-05-17 JP JP8295182A patent/JPS58199445A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5372906U (enrdf_load_stackoverflow) * | 1976-11-20 | 1978-06-19 | ||
| JPS5730128A (en) * | 1980-07-30 | 1982-02-18 | Hitachi Ltd | Optical head for optical disk device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450659B2 (enrdf_load_stackoverflow) | 1992-08-14 |
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