JPS61180391U - - Google Patents
Info
- Publication number
- JPS61180391U JPS61180391U JP6200585U JP6200585U JPS61180391U JP S61180391 U JPS61180391 U JP S61180391U JP 6200585 U JP6200585 U JP 6200585U JP 6200585 U JP6200585 U JP 6200585U JP S61180391 U JPS61180391 U JP S61180391U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- amplifier circuit
- analog output
- output type
- 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
- 239000000779 smoke Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は同上の動作説明図、第３図は他の実施例
を示す回路構成図、第４図は従来例を示す回路構
成図、第５図は同上の動作説明図である。
１は差動増幅回路、２はエミツタホロワ回路、
ＯＰはオペアンプ、Ｑはトランジスタ、Ｒ１〜Ｒ
５は抵抗、ＺＤはツエナダイオードである。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is an explanatory diagram of the same operation as above, FIG. 3 is a circuit diagram showing another embodiment, FIG. 4 is a circuit diagram of a conventional example, and FIG. 5 is an explanatory diagram of the same operation. 1 is a differential amplifier circuit, 2 is an emitter follower circuit,
OP is an operational amplifier, Q is a transistor, R 1 to R
5 is a resistor, and ZD is a Zener diode.
Claims (1)
じた信号が入力され該入力信号を増幅する増幅回
路と、該増幅回路出力を後段回路に出力するバツ
フアとを備えたアナログ出力型感知器の出力回路
において、上記増幅回路出力が所定電圧以上に上
昇しないように電圧をクリツプするクリツプ回路
を設けて成るアナログ出力型煙感知器の出力回路
。 An output circuit for an analog output type sensor, comprising an amplifier circuit that receives a signal corresponding to the smoke density detected by the analog output type smoke sensor and amplifies the input signal, and a buffer that outputs the output of the amplifier circuit to a subsequent circuit. An output circuit for an analog output type smoke detector comprising a clip circuit for clipping the voltage so that the output of the amplifier circuit does not rise above a predetermined voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6200585U JPS61180391U (en) | 1985-04-24 | 1985-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6200585U JPS61180391U (en) | 1985-04-24 | 1985-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61180391U true JPS61180391U (en) | 1986-11-11 |
Family
ID=30590805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6200585U Pending JPS61180391U (en) | 1985-04-24 | 1985-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180391U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552916A (en) * | 1978-10-16 | 1980-04-17 | Tokyo Electric Co Ltd | Weighing meter |
| JPS5760493A (en) * | 1980-09-30 | 1982-04-12 | Hochiki Co | Fire detector |
| JPS59139493A (en) * | 1983-01-28 | 1984-08-10 | 松下電工株式会社 | Analog output type smoke detection circuit |
-
1985
- 1985-04-24 JP JP6200585U patent/JPS61180391U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552916A (en) * | 1978-10-16 | 1980-04-17 | Tokyo Electric Co Ltd | Weighing meter |
| JPS5760493A (en) * | 1980-09-30 | 1982-04-12 | Hochiki Co | Fire detector |
| JPS59139493A (en) * | 1983-01-28 | 1984-08-10 | 松下電工株式会社 | Analog output type smoke detection circuit |
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