JPH02122382U - - Google Patents
Info
- Publication number
- JPH02122382U JPH02122382U JP3039789U JP3039789U JPH02122382U JP H02122382 U JPH02122382 U JP H02122382U JP 3039789 U JP3039789 U JP 3039789U JP 3039789 U JP3039789 U JP 3039789U JP H02122382 U JPH02122382 U JP H02122382U
- Authority
- JP
- Japan
- Prior art keywords
- optical sensor
- current
- emitting element
- constant voltage
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3039789U JPH02122382U (un) | 1989-03-17 | 1989-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3039789U JPH02122382U (un) | 1989-03-17 | 1989-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122382U true JPH02122382U (un) | 1990-10-05 |
Family
ID=31255433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3039789U Pending JPH02122382U (un) | 1989-03-17 | 1989-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122382U (un) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223233A (ja) * | 1990-12-25 | 1992-08-13 | Nec Corp | 光センサ自動補正回路 |
-
1989
- 1989-03-17 JP JP3039789U patent/JPH02122382U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223233A (ja) * | 1990-12-25 | 1992-08-13 | Nec Corp | 光センサ自動補正回路 |