JPS647469Y2 - - Google Patents
Info
- Publication number
- JPS647469Y2 JPS647469Y2 JP15526483U JP15526483U JPS647469Y2 JP S647469 Y2 JPS647469 Y2 JP S647469Y2 JP 15526483 U JP15526483 U JP 15526483U JP 15526483 U JP15526483 U JP 15526483U JP S647469 Y2 JPS647469 Y2 JP S647469Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- beams
- recording
- lens
- optical head
- 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 54
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 description 12
- 230000004075 alteration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15526483U JPS6064414U (ja) | 1983-10-06 | 1983-10-06 | ２ビ−ム光学ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15526483U JPS6064414U (ja) | 1983-10-06 | 1983-10-06 | ２ビ−ム光学ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6064414U JPS6064414U (ja) | 1985-05-07 |
| JPS647469Y2 true JPS647469Y2 (en, 2012) | 1989-02-28 |
Family
ID=30342965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15526483U Granted JPS6064414U (ja) | 1983-10-06 | 1983-10-06 | ２ビ−ム光学ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6064414U (en, 2012) |
-
1983
- 1983-10-06 JP JP15526483U patent/JPS6064414U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6064414U (ja) | 1985-05-07 |
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