JPS63173719U - - Google Patents
Info
- Publication number
- JPS63173719U JPS63173719U JP6558487U JP6558487U JPS63173719U JP S63173719 U JPS63173719 U JP S63173719U JP 6558487 U JP6558487 U JP 6558487U JP 6558487 U JP6558487 U JP 6558487U JP S63173719 U JPS63173719 U JP S63173719U
- Authority
- JP
- Japan
- Prior art keywords
- receiving element
- light
- light receiving
- detecting
- beam splitter
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065584U JP2504893Y2 (ja) | 1987-04-30 | 1987-04-30 | 光学ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065584U JP2504893Y2 (ja) | 1987-04-30 | 1987-04-30 | 光学ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63173719U true JPS63173719U (da) | 1988-11-11 |
| JP2504893Y2 JP2504893Y2 (ja) | 1996-07-24 |
Family
ID=30902795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987065584U Expired - Lifetime JP2504893Y2 (ja) | 1987-04-30 | 1987-04-30 | 光学ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2504893Y2 (da) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870431A (ja) * | 1981-10-22 | 1983-04-26 | Toshiba Corp | 光学ヘツド |
| JPS58147821A (ja) * | 1982-02-25 | 1983-09-02 | Toshiba Corp | 光学式ヘツド |
| JPS59207439A (ja) * | 1983-05-12 | 1984-11-24 | Nec Corp | 光デイスクシステムにおけるビ−ムアクセス装置 |
-
1987
- 1987-04-30 JP JP1987065584U patent/JP2504893Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5870431A (ja) * | 1981-10-22 | 1983-04-26 | Toshiba Corp | 光学ヘツド |
| JPS58147821A (ja) * | 1982-02-25 | 1983-09-02 | Toshiba Corp | 光学式ヘツド |
| JPS59207439A (ja) * | 1983-05-12 | 1984-11-24 | Nec Corp | 光デイスクシステムにおけるビ−ムアクセス装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2504893Y2 (ja) | 1996-07-24 |