JPH0810852Y2 - 光ヘッド - Google Patents
光ヘッドInfo
- Publication number
- JPH0810852Y2 JPH0810852Y2 JP1989040407U JP4040789U JPH0810852Y2 JP H0810852 Y2 JPH0810852 Y2 JP H0810852Y2 JP 1989040407 U JP1989040407 U JP 1989040407U JP 4040789 U JP4040789 U JP 4040789U JP H0810852 Y2 JPH0810852 Y2 JP H0810852Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical head
- shielding band
- disc
- bell crank
- 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 title claims description 55
- 238000000034 method Methods 0.000 description 26
- 229940028444 muse Drugs 0.000 description 9
- GMVPRGQOIOIIMI-DWKJAMRDSA-N prostaglandin E1 Chemical compound CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DWKJAMRDSA-N 0.000 description 9
- 230000010287 polarization Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040407U JPH0810852Y2 (ja) | 1989-04-05 | 1989-04-05 | 光ヘッド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040407U JPH0810852Y2 (ja) | 1989-04-05 | 1989-04-05 | 光ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02132325U JPH02132325U (enrdf_load_html_response) | 1990-11-02 |
| JPH0810852Y2 true JPH0810852Y2 (ja) | 1996-03-29 |
Family
ID=31550169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989040407U Expired - Lifetime JPH0810852Y2 (ja) | 1989-04-05 | 1989-04-05 | 光ヘッド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810852Y2 (enrdf_load_html_response) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56116004A (en) * | 1980-02-20 | 1981-09-11 | Olympus Optical Co Ltd | Lens for video disk |
| JPH0810494B2 (ja) * | 1986-04-07 | 1996-01-31 | オリンパス光学工業株式会社 | 光学式ピツクアツプ |
-
1989
- 1989-04-05 JP JP1989040407U patent/JPH0810852Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02132325U (enrdf_load_html_response) | 1990-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |