JPH02123688U - - Google Patents
Info
- Publication number
- JPH02123688U JPH02123688U JP3336889U JP3336889U JPH02123688U JP H02123688 U JPH02123688 U JP H02123688U JP 3336889 U JP3336889 U JP 3336889U JP 3336889 U JP3336889 U JP 3336889U JP H02123688 U JPH02123688 U JP H02123688U
- Authority
- JP
- Japan
- Prior art keywords
- light
- signal
- circuit
- converts
- light receiver
- 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 4
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336889U JPH02123688U (da) | 1989-03-24 | 1989-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336889U JPH02123688U (da) | 1989-03-24 | 1989-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02123688U true JPH02123688U (da) | 1990-10-11 |
Family
ID=31260042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3336889U Pending JPH02123688U (da) | 1989-03-24 | 1989-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02123688U (da) |
-
1989
- 1989-03-24 JP JP3336889U patent/JPH02123688U/ja active Pending
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