JPS59155695U - alarm equipment - Google Patents
alarm equipmentInfo
- Publication number
- JPS59155695U JPS59155695U JP4704783U JP4704783U JPS59155695U JP S59155695 U JPS59155695 U JP S59155695U JP 4704783 U JP4704783 U JP 4704783U JP 4704783 U JP4704783 U JP 4704783U JP S59155695 U JPS59155695 U JP S59155695U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- circuit
- built
- short
- parallel
- 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
- Alarm Systems (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図は本考案の実施例のシステムブロック図、第２図
は同上の本体の正面図、第３図は同上の要部ブロック回
路図、第４図は同上の具体回路図である。
１は火災センサー、２はガスセンサー、８は外部スピー
カ端子、１０は内蔵スピーカ、１３はスイッチ、１５は
スイッチング回路、１６は短絡検知回路、Ａは本体、１
，１゜は接続線を示す。FIG. 1 is a system block diagram of an embodiment of the present invention, FIG. 2 is a front view of the main body of the same, FIG. 3 is a block circuit diagram of the main parts of the same, and FIG. 4 is a specific circuit diagram of the same. 1 is a fire sensor, 2 is a gas sensor, 8 is an external speaker terminal, 10 is a built-in speaker, 13 is a switch, 15 is a switching circuit, 16 is a short circuit detection circuit, A is the main body, 1
, 1° indicate the connection line.
Claims (1)
ガスセンサーなどからの信号により本体に内蔵した内蔵
スピーカにより警報音を発するようにするとともに、増
設スピーカ用であって内蔵スピーカに並列に接続された
外部スピーカ端子を本体に有する警報機器において、前
記外部スピーカ端子と並列に接続されている増設スピー
カへの接続線間に並列に接続したスイッチと、このスイ
ッチの短絡操作により予め前記接続線に印加されている
直流成分の変化を検知する短絡検知回路と、短絡検知回
路の出力にて両スピーカへの警報信号を開閉するスイッ
チング回路とを付設して成ることを特徴とする警報機器
。The built-in speaker built into the main unit emits an alarm sound based on the signal from a fire sensor that detects smoke or heat, or a gas sensor that detects gas, and is also used for an additional speaker and is connected in parallel to the built-in speaker. In an alarm device that has an external speaker terminal on the main body, a switch connected in parallel between the connection wire to the additional speaker connected in parallel with the external speaker terminal, and a short-circuit operation of this switch are used to connect the connection wire in advance. An alarm device comprising: a short-circuit detection circuit that detects a change in the applied DC component; and a switching circuit that opens and closes an alarm signal to both speakers using the output of the short-circuit detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4704783U JPS59155695U (en) | 1983-03-31 | 1983-03-31 | alarm equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4704783U JPS59155695U (en) | 1983-03-31 | 1983-03-31 | alarm equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59155695U true JPS59155695U (en) | 1984-10-19 |
Family
ID=30177596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4704783U Pending JPS59155695U (en) | 1983-03-31 | 1983-03-31 | alarm equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155695U (en) |
-
1983
- 1983-03-31 JP JP4704783U patent/JPS59155695U/en active Pending
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