JPS624909Y2 - - Google Patents
Info
- Publication number
- JPS624909Y2 JPS624909Y2 JP5778181U JP5778181U JPS624909Y2 JP S624909 Y2 JPS624909 Y2 JP S624909Y2 JP 5778181 U JP5778181 U JP 5778181U JP 5778181 U JP5778181 U JP 5778181U JP S624909 Y2 JPS624909 Y2 JP S624909Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens holder
- lens
- focus
- tracking
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000005060 rubber Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000004075 alteration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5778181U JPS624909Y2 (fr) | 1981-04-20 | 1981-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5778181U JPS624909Y2 (fr) | 1981-04-20 | 1981-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57168845U JPS57168845U (fr) | 1982-10-23 |
| JPS624909Y2 true JPS624909Y2 (fr) | 1987-02-04 |
Family
ID=29854244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5778181U Expired JPS624909Y2 (fr) | 1981-04-20 | 1981-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS624909Y2 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59221838A (ja) * | 1983-05-31 | 1984-12-13 | Matsushita Electric Ind Co Ltd | 光デイスクプレ−ヤの対物レンズ駆動装置 |
| NL8303700A (nl) * | 1983-10-27 | 1985-05-17 | Philips Nv | Electro-optische inrichting. |
| JPH0614254Y2 (ja) * | 1985-07-09 | 1994-04-13 | パイオニア株式会社 | 光学式情報読取装置におけるピックアップ装置 |
-
1981
- 1981-04-20 JP JP5778181U patent/JPS624909Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57168845U (fr) | 1982-10-23 |
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