JPH01133691U - - Google Patents
Info
- Publication number
- JPH01133691U JPH01133691U JP2648288U JP2648288U JPH01133691U JP H01133691 U JPH01133691 U JP H01133691U JP 2648288 U JP2648288 U JP 2648288U JP 2648288 U JP2648288 U JP 2648288U JP H01133691 U JPH01133691 U JP H01133691U
- Authority
- JP
- Japan
- Prior art keywords
- section
- output
- light receiving
- pulse signal
- judgment
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2648288U JPH01133691U (en]) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2648288U JPH01133691U (en]) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133691U true JPH01133691U (en]) | 1989-09-12 |
Family
ID=31248149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2648288U Pending JPH01133691U (en]) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133691U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5417657A (en) * | 1977-07-08 | 1979-02-09 | Matsushita Electric Ind Co Ltd | Frequency discrimanator circuit |
-
1988
- 1988-02-29 JP JP2648288U patent/JPH01133691U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5417657A (en) * | 1977-07-08 | 1979-02-09 | Matsushita Electric Ind Co Ltd | Frequency discrimanator circuit |
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