JPS62142723U - - Google Patents
Info
- Publication number
- JPS62142723U JPS62142723U JP2804286U JP2804286U JPS62142723U JP S62142723 U JPS62142723 U JP S62142723U JP 2804286 U JP2804286 U JP 2804286U JP 2804286 U JP2804286 U JP 2804286U JP S62142723 U JPS62142723 U JP S62142723U
- Authority
- JP
- Japan
- Prior art keywords
- half mirror
- reflected
- detection device
- information detection
- diffractive
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2804286U JPS62142723U (de) | 1986-02-27 | 1986-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2804286U JPS62142723U (de) | 1986-02-27 | 1986-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62142723U true JPS62142723U (de) | 1987-09-09 |
Family
ID=30830636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2804286U Pending JPS62142723U (de) | 1986-02-27 | 1986-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62142723U (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119907A (en) * | 1976-04-01 | 1977-10-07 | Victor Co Of Japan Ltd | Light beam branching device in video disc reproducers |
| JPS5476177A (en) * | 1977-11-30 | 1979-06-18 | Citizen Watch Co Ltd | Optical reader |
| JPS5979441A (ja) * | 1982-10-29 | 1984-05-08 | Omron Tateisi Electronics Co | 光学的読取装置 |
-
1986
- 1986-02-27 JP JP2804286U patent/JPS62142723U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119907A (en) * | 1976-04-01 | 1977-10-07 | Victor Co Of Japan Ltd | Light beam branching device in video disc reproducers |
| JPS5476177A (en) * | 1977-11-30 | 1979-06-18 | Citizen Watch Co Ltd | Optical reader |
| JPS5979441A (ja) * | 1982-10-29 | 1984-05-08 | Omron Tateisi Electronics Co | 光学的読取装置 |