JPS6341618Y2 - - Google Patents
Info
- Publication number
- JPS6341618Y2 JPS6341618Y2 JP1982195803U JP19580382U JPS6341618Y2 JP S6341618 Y2 JPS6341618 Y2 JP S6341618Y2 JP 1982195803 U JP1982195803 U JP 1982195803U JP 19580382 U JP19580382 U JP 19580382U JP S6341618 Y2 JPS6341618 Y2 JP S6341618Y2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- semiconductor laser
- output
- light
- amount
- 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
- 239000004065 semiconductor Substances 0.000 claims description 34
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19580382U JPS59104334U (ja) | 1982-12-28 | 1982-12-28 | ピツクアツプ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19580382U JPS59104334U (ja) | 1982-12-28 | 1982-12-28 | ピツクアツプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59104334U JPS59104334U (ja) | 1984-07-13 |
JPS6341618Y2 true JPS6341618Y2 (uk) | 1988-11-01 |
Family
ID=30420371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19580382U Granted JPS59104334U (ja) | 1982-12-28 | 1982-12-28 | ピツクアツプ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59104334U (uk) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5263793A (en) * | 1975-11-21 | 1977-05-26 | Pioneer Electronic Corp | Optical signal reader |
JPS5465007A (en) * | 1977-11-02 | 1979-05-25 | Matsushita Electric Ind Co Ltd | Disc form recording carrier reader |
JPS5724033A (en) * | 1980-07-18 | 1982-02-08 | Sharp Corp | Pickup device |
-
1982
- 1982-12-28 JP JP19580382U patent/JPS59104334U/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5263793A (en) * | 1975-11-21 | 1977-05-26 | Pioneer Electronic Corp | Optical signal reader |
JPS5465007A (en) * | 1977-11-02 | 1979-05-25 | Matsushita Electric Ind Co Ltd | Disc form recording carrier reader |
JPS5724033A (en) * | 1980-07-18 | 1982-02-08 | Sharp Corp | Pickup device |
Also Published As
Publication number | Publication date |
---|---|
JPS59104334U (ja) | 1984-07-13 |
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