JPS58138192U - fire alarm - Google Patents
fire alarmInfo
- Publication number
- JPS58138192U JPS58138192U JP3122582U JP3122582U JPS58138192U JP S58138192 U JPS58138192 U JP S58138192U JP 3122582 U JP3122582 U JP 3122582U JP 3122582 U JP3122582 U JP 3122582U JP S58138192 U JPS58138192 U JP S58138192U
- Authority
- JP
- Japan
- Prior art keywords
- fire alarm
- temperature
- receiving element
- transparent plate
- ink
- 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
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本装置の構成を示したもので、１ａは受光素
子、１ｂは発光体、ＩＣは温度によって変色する透明板
、１ｄは警報回路である。第２図は、本装置を収納する
ための、防じんフィルター付の容器である。FIG. 1 shows the configuration of this device, where 1a is a light receiving element, 1b is a light emitter, IC is a transparent plate that changes color depending on temperature, and 1d is an alarm circuit. FIG. 2 shows a container with a dust filter for storing this device.
Claims (1)
板を通過する光量を受光素子によって検出することによ
りおこなうことを特徴とする火災報知器。A fire alarm characterized in that temperature sensing is performed by using a light receiving element to detect the amount of light passing through a transparent plate coated with ink that changes color depending on the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3122582U JPS58138192U (en) | 1982-03-05 | 1982-03-05 | fire alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3122582U JPS58138192U (en) | 1982-03-05 | 1982-03-05 | fire alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138192U true JPS58138192U (en) | 1983-09-17 |
Family
ID=30042905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3122582U Pending JPS58138192U (en) | 1982-03-05 | 1982-03-05 | fire alarm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138192U (en) |
-
1982
- 1982-03-05 JP JP3122582U patent/JPS58138192U/en active Pending
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