JPS61114352U - - Google Patents
Info
- Publication number
- JPS61114352U JPS61114352U JP19827884U JP19827884U JPS61114352U JP S61114352 U JPS61114352 U JP S61114352U JP 19827884 U JP19827884 U JP 19827884U JP 19827884 U JP19827884 U JP 19827884U JP S61114352 U JPS61114352 U JP S61114352U
- Authority
- JP
- Japan
- Prior art keywords
- gas detection
- bridge circuit
- heater
- detection piece
- operated
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 5
- 229910044991 metal oxide Inorganic materials 0.000 claims 2
- 150000004706 metal oxides Chemical class 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
第1図は実施例の回路図、第2図は他の実施例
の回路図、第3図は従来例の回路図で有る。
の回路図、第3図は従来例の回路図で有る。
Claims (1)
- 【実用新案登録請求の範囲】 n形金属酸化物半導体の抵抗値の変化を利用し
たn形ガス検出片nと、p形金属酸化物半導体の
抵抗値の変化を利用したp形ガス検出片pと、各
ガス検出片n,pにそれぞれ直列に接続した抵抗
Rn,Rpとで構成したブリツジ回路と、 このブリツジ回路に接続した電源EBと、ブリ
ツジ回路の出力により動作する空燃比コントロー
ラI1と、 ガス検出片n,pを一定温度に加熱するための
ヒータHと、 ブリツジ回路の相対向する並列2片への印加電
圧の和または積に対応する信号により動作して、
ヒータHへの印加電力をコントロールするヒータ
コントローラ、 とを有するガス検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984198278U JPH0411165Y2 (ja) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984198278U JPH0411165Y2 (ja) | 1984-12-28 | 1984-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61114352U true JPS61114352U (ja) | 1986-07-19 |
JPH0411165Y2 JPH0411165Y2 (ja) | 1992-03-19 |
Family
ID=30757136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984198278U Expired JPH0411165Y2 (ja) | 1984-12-28 | 1984-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0411165Y2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5237494A (en) * | 1975-09-20 | 1977-03-23 | Matsushita Electric Works Ltd | Gas, smoke detection device |
JPS567056U (ja) * | 1979-06-28 | 1981-01-22 | ||
JPS5737824A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Method and device for impurity diffusion |
JPS5796248A (en) * | 1980-12-05 | 1982-06-15 | Matsushita Electric Ind Co Ltd | Detecting method for gas using superparticulate gas sensor |
JPS5842960A (ja) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | 可燃性ガス検知装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567056B2 (ja) * | 1973-10-03 | 1981-02-16 |
-
1984
- 1984-12-28 JP JP1984198278U patent/JPH0411165Y2/ja not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5237494A (en) * | 1975-09-20 | 1977-03-23 | Matsushita Electric Works Ltd | Gas, smoke detection device |
JPS567056U (ja) * | 1979-06-28 | 1981-01-22 | ||
JPS5737824A (en) * | 1980-08-20 | 1982-03-02 | Seiko Epson Corp | Method and device for impurity diffusion |
JPS5796248A (en) * | 1980-12-05 | 1982-06-15 | Matsushita Electric Ind Co Ltd | Detecting method for gas using superparticulate gas sensor |
JPS5842960A (ja) * | 1981-09-08 | 1983-03-12 | Matsushita Electric Works Ltd | 可燃性ガス検知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0411165Y2 (ja) | 1992-03-19 |