JPS61147490U - - Google Patents
Info
- Publication number
- JPS61147490U JPS61147490U JP2810585U JP2810585U JPS61147490U JP S61147490 U JPS61147490 U JP S61147490U JP 2810585 U JP2810585 U JP 2810585U JP 2810585 U JP2810585 U JP 2810585U JP S61147490 U JPS61147490 U JP S61147490U
- Authority
- JP
- Japan
- Prior art keywords
- output
- amplifier
- gas
- amplifies
- signal generating
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の音声ガス警報器の一例を示す回路図
である。
図中、１は電源、２は電源トランス、３は比較
部、４は信号発生部、５はアンプ、６は圧電スピ
ーカ、７はガスセンサ、１１は倍電圧整流回路、
１２はインバータ、１３は反転アンプである。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing an example of a conventional audio gas alarm. In the figure, 1 is a power supply, 2 is a power transformer, 3 is a comparison section, 4 is a signal generation section, 5 is an amplifier, 6 is a piezoelectric speaker, 7 is a gas sensor, 11 is a voltage doubler rectifier circuit,
12 is an inverter, and 13 is an inverting amplifier.
Claims (1)
圧を倍電圧整流して電源電圧として各部に供給す
る倍電圧整流回路と、ガスを検知するガスセンサ
と、このガスセンサの出力と基準値とを比較する
比較部と、この比較部を受け所要の信号を発生す
る信号発生部と、この信号発生部の出力を増幅す
るアンプと、前記比較部の反転出力を増幅する反
転アンプと、前記アンプの出力と反転アンプの出
力とが両極板に印加されて作動する圧電スピーカ
とからなることを特徴とする音声ガス警報器。 A power transformer, a voltage doubler rectifier circuit that doubles and rectifies the secondary voltage of this power transformer and supplies it to each part as a power supply voltage, a gas sensor that detects gas, and a comparison that compares the output of this gas sensor with a reference value. a signal generating section that receives the comparing section and generates a required signal; an amplifier that amplifies the output of the signal generating section; an inverting amplifier that amplifies the inverted output of the comparing section; An audio gas alarm comprising a piezoelectric speaker that is activated by applying the output of an amplifier to a bipolar plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2810585U JPS61147490U (en) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2810585U JPS61147490U (en) | 1985-03-01 | 1985-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61147490U true JPS61147490U (en) | 1986-09-11 |
Family
ID=30525677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2810585U Pending JPS61147490U (en) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61147490U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5367399A (en) * | 1976-10-15 | 1978-06-15 | Mallory & Co Inc P R | High output audio alarm |
| JPS5764890A (en) * | 1980-10-07 | 1982-04-20 | Matsushita Electric Works Ltd | Gas leakage alarm |
| JPS596290B2 (en) * | 1976-02-28 | 1984-02-10 | チッソ株式会社 | Method for separating and recovering vinyl chloride monomer from vinyl chloride resin |
-
1985
- 1985-03-01 JP JP2810585U patent/JPS61147490U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596290B2 (en) * | 1976-02-28 | 1984-02-10 | チッソ株式会社 | Method for separating and recovering vinyl chloride monomer from vinyl chloride resin |
| JPS5367399A (en) * | 1976-10-15 | 1978-06-15 | Mallory & Co Inc P R | High output audio alarm |
| JPS5764890A (en) * | 1980-10-07 | 1982-04-20 | Matsushita Electric Works Ltd | Gas leakage alarm |
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