JPH073463Y2 - 光ピックアップ装置 - Google Patents
光ピックアップ装置Info
- Publication number
- JPH073463Y2 JPH073463Y2 JP17525487U JP17525487U JPH073463Y2 JP H073463 Y2 JPH073463 Y2 JP H073463Y2 JP 17525487 U JP17525487 U JP 17525487U JP 17525487 U JP17525487 U JP 17525487U JP H073463 Y2 JPH073463 Y2 JP H073463Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- spot
- signal
- lens
- 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 17
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17525487U JPH073463Y2 (ja) | 1987-11-16 | 1987-11-16 | 光ピックアップ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17525487U JPH073463Y2 (ja) | 1987-11-16 | 1987-11-16 | 光ピックアップ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0178319U JPH0178319U (en]) | 1989-05-26 |
JPH073463Y2 true JPH073463Y2 (ja) | 1995-01-30 |
Family
ID=31467060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17525487U Expired - Lifetime JPH073463Y2 (ja) | 1987-11-16 | 1987-11-16 | 光ピックアップ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH073463Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7049002B2 (en) | 1997-03-14 | 2006-05-23 | Ppg Industries Ohio, Inc. | Photocatalytically-activated self-cleaning article and method of making same |
-
1987
- 1987-11-16 JP JP17525487U patent/JPH073463Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7049002B2 (en) | 1997-03-14 | 2006-05-23 | Ppg Industries Ohio, Inc. | Photocatalytically-activated self-cleaning article and method of making same |
Also Published As
Publication number | Publication date |
---|---|
JPH0178319U (en]) | 1989-05-26 |
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