JPS6144256Y2 - - Google Patents
Info
- Publication number
- JPS6144256Y2 JPS6144256Y2 JP17246779U JP17246779U JPS6144256Y2 JP S6144256 Y2 JPS6144256 Y2 JP S6144256Y2 JP 17246779 U JP17246779 U JP 17246779U JP 17246779 U JP17246779 U JP 17246779U JP S6144256 Y2 JPS6144256 Y2 JP S6144256Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- disk
- protective cover
- receiving element
- light beam
- 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
- 230000001681 protective effect Effects 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17246779U JPS6144256Y2 (OSRAM) | 1979-12-12 | 1979-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17246779U JPS6144256Y2 (OSRAM) | 1979-12-12 | 1979-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5690743U JPS5690743U (OSRAM) | 1981-07-20 |
| JPS6144256Y2 true JPS6144256Y2 (OSRAM) | 1986-12-13 |
Family
ID=29683273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17246779U Expired JPS6144256Y2 (OSRAM) | 1979-12-12 | 1979-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144256Y2 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100234A (ja) * | 1981-12-10 | 1983-06-14 | Teac Co | 光学再生装置 |
| JPS58102340A (ja) * | 1981-12-11 | 1983-06-17 | Teac Co | 光学再生装置 |
| JPH02118920A (ja) * | 1989-09-22 | 1990-05-07 | Teac Corp | 光学再生装置 |
-
1979
- 1979-12-12 JP JP17246779U patent/JPS6144256Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5690743U (OSRAM) | 1981-07-20 |
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