JPS57182153A - Gas detector - Google Patents

Gas detector

Info

Publication number
JPS57182153A
JPS57182153A JP56067127A JP6712781A JPS57182153A JP S57182153 A JPS57182153 A JP S57182153A JP 56067127 A JP56067127 A JP 56067127A JP 6712781 A JP6712781 A JP 6712781A JP S57182153 A JPS57182153 A JP S57182153A
Authority
JP
Japan
Prior art keywords
gas sensor
gas
time
integration circuit
output voltage
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
Application number
JP56067127A
Other languages
English (en)
Other versions
JPH0151773B2 (ja
Inventor
Toyofumi Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56067127A priority Critical patent/JPS57182153A/ja
Publication of JPS57182153A publication Critical patent/JPS57182153A/ja
Publication of JPH0151773B2 publication Critical patent/JPH0151773B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
JP56067127A 1981-05-02 1981-05-02 Gas detector Granted JPS57182153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56067127A JPS57182153A (en) 1981-05-02 1981-05-02 Gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56067127A JPS57182153A (en) 1981-05-02 1981-05-02 Gas detector

Publications (2)

Publication Number Publication Date
JPS57182153A true JPS57182153A (en) 1982-11-09
JPH0151773B2 JPH0151773B2 (ja) 1989-11-06

Family

ID=13335925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56067127A Granted JPS57182153A (en) 1981-05-02 1981-05-02 Gas detector

Country Status (1)

Country Link
JP (1) JPS57182153A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58135445A (ja) * 1982-02-06 1983-08-12 Hitachi Ltd 湿度検出装置
DE3304324A1 (de) * 1983-02-09 1984-08-09 Bayerische Motoren Werke AG, 8000 München Belueftungseinrichtung fuer den innenraum eines kraftfahrzeugs
JPS60116598U (ja) * 1984-01-14 1985-08-07 能美防災株式会社 ガス検知装置
WO1988007678A2 (en) * 1987-04-02 1988-10-06 Eftag Entstaubungs- Und Fördertechnik Ag Circuit arrangement for evaluating a signal produced by a semiconductor sensor
JP2018529959A (ja) * 2016-04-15 2018-10-11 中国科学院過程工程研究所 ガスセンサ警報回路
US20220112988A1 (en) * 2020-10-08 2022-04-14 Saudi Arabian Oil Company Hydrocarbon leak detecting devices and methods of detecting hydrocarbon leaks

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58135445A (ja) * 1982-02-06 1983-08-12 Hitachi Ltd 湿度検出装置
JPH051422B2 (ja) * 1982-02-06 1993-01-08 Hitachi Ltd
DE3304324A1 (de) * 1983-02-09 1984-08-09 Bayerische Motoren Werke AG, 8000 München Belueftungseinrichtung fuer den innenraum eines kraftfahrzeugs
DE3304324C3 (de) * 1983-02-09 1996-08-14 Bayerische Motoren Werke Ag Verfahren zum Steuern einer Belüftungseinrichtung für den Innenraum eines Kraftfahrzeugs und Einrichtung zur Durchführung dieses Verfahrens
JPS60116598U (ja) * 1984-01-14 1985-08-07 能美防災株式会社 ガス検知装置
JPH0435991Y2 (ja) * 1984-01-14 1992-08-25
WO1988007678A2 (en) * 1987-04-02 1988-10-06 Eftag Entstaubungs- Und Fördertechnik Ag Circuit arrangement for evaluating a signal produced by a semiconductor sensor
JPH01502848A (ja) * 1987-04-02 1989-09-28 エフターク　エンツタウブングス　―　ウント　フエルダーテヒニーク　アクチエンゲゼルシヤフト 半導体ガスセンサから発生される信号を評価するための回路装置
JPH09309U (ja) * 1987-04-02 1997-05-27 エフターク エンツタウブングス− ウント フエルダーテヒニーク アクチエンゲゼルシヤフト 半導体ガスセンサによって発生された信号の評価用回路装置
JP2018529959A (ja) * 2016-04-15 2018-10-11 中国科学院過程工程研究所 ガスセンサ警報回路
US20220112988A1 (en) * 2020-10-08 2022-04-14 Saudi Arabian Oil Company Hydrocarbon leak detecting devices and methods of detecting hydrocarbon leaks

Also Published As

Publication number Publication date
JPH0151773B2 (ja) 1989-11-06

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