JPH0323345U - - Google Patents
Info
- Publication number
- JPH0323345U JPH0323345U JP8310589U JP8310589U JPH0323345U JP H0323345 U JPH0323345 U JP H0323345U JP 8310589 U JP8310589 U JP 8310589U JP 8310589 U JP8310589 U JP 8310589U JP H0323345 U JPH0323345 U JP H0323345U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- pulse width
- integrating circuit
- capacitance
- 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 12
- 239000000779 smoke Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8310589U JPH0323345U (en]) | 1989-07-17 | 1989-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8310589U JPH0323345U (en]) | 1989-07-17 | 1989-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0323345U true JPH0323345U (en]) | 1991-03-11 |
Family
ID=31630496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8310589U Pending JPH0323345U (en]) | 1989-07-17 | 1989-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323345U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59228136A (ja) * | 1983-06-10 | 1984-12-21 | King Tsushin Kogyo Kk | 受動型赤外線侵入検出装置 |
-
1989
- 1989-07-17 JP JP8310589U patent/JPH0323345U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59228136A (ja) * | 1983-06-10 | 1984-12-21 | King Tsushin Kogyo Kk | 受動型赤外線侵入検出装置 |
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