JP2001500618A - 空気品質測定のための装置 - Google Patents
空気品質測定のための装置Info
- Publication number
- JP2001500618A JP2001500618A JP10514134A JP51413498A JP2001500618A JP 2001500618 A JP2001500618 A JP 2001500618A JP 10514134 A JP10514134 A JP 10514134A JP 51413498 A JP51413498 A JP 51413498A JP 2001500618 A JP2001500618 A JP 2001500618A
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- output signal
- air quality
- resistor
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 少なくとも1つのセンサ(11)を有し、該センサ(11)の抵抗値Rs (17)は空気品質(10)に依存する、空気品質測定のための装置において、 前記抵抗値Rs(17)は信号処理部(13)の部分であり、該信号処理部 (13)は前記抵抗値Rs(17)を該抵抗値Rs(17)に依存する周期長T、 T1、T2、T3を有する出力信号(14)に変換する、空気品質測定のための 装置。 2. 信号処理部(13)として電圧/時間変換器又は電圧/周波数変換器が使 用されることを特徴とする請求項1記載の装置。 3. 電圧/時間変換器としてRC素子及びコンパレータ(21)から成る無安 定マルチバイブレータが使用されることを特徴とする請求項2記載の装置。 4. コンパレータ(21)の反転入力側には基準電位に接続されたコンデンサ C(18)が接続されており、抵抗R(20)は前記コンパレータ(21)の出 力側に接続されており、 前記コンパレータ(21)の非反転入力側には基準電位に接続された抵抗Rs (17)が接続されており、第2の抵抗R2(19)は前記コンパレータ(2 1)の出力側に接続されており、 前記コンパレータ(21)の出力側では出力信号(14)が取り出されるこ とを特徴とする請求項3記載の装置。 5. 第2の抵抗R2(19)は抵抗Rs(17)よりもはるかに小さいことを 特徴とする請求項4記載の装置。 6. 抵抗Rs(17)としてオーム抵抗器が使用されることを特徴とする請求 項1〜5までのうちの1項記載の装置。 7. 出力信号(14)はデジタル信号であることを特徴とする請求項1〜6ま でのうちの1項記載の装置。 8. 出力信号(14)の周期長T、T1、T2、T3は対数的に抵抗値Rs( 17)に依存することを特徴とする請求項1〜7までのうちの1項記載の装置。 9. 出力信号(14)に依存して自動車の換気が制御されることを特徴とする 請求項1〜8までのうちの1項記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19638204.1 | 1996-09-19 | ||
DE19638204A DE19638204C1 (de) | 1996-09-19 | 1996-09-19 | Vorrichtung zur Luftgütemessung |
PCT/DE1997/001577 WO1998012547A1 (de) | 1996-09-19 | 1997-07-26 | Vorrichtung zur luftgütemessung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001500618A true JP2001500618A (ja) | 2001-01-16 |
JP4108131B2 JP4108131B2 (ja) | 2008-06-25 |
Family
ID=7806106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51413498A Expired - Lifetime JP4108131B2 (ja) | 1996-09-19 | 1997-07-26 | 空気品質測定のための装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6055848A (ja) |
EP (1) | EP0927351B1 (ja) |
JP (1) | JP4108131B2 (ja) |
KR (1) | KR100518104B1 (ja) |
AU (1) | AU714083B2 (ja) |
DE (2) | DE19638204C1 (ja) |
WO (1) | WO1998012547A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017505646A (ja) * | 2013-11-19 | 2017-02-23 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 耐飽和性電気生理学的記録インターフェース |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19824383C2 (de) * | 1998-05-30 | 2000-07-13 | Mannesmann Vdo Ag | Vorrichtung zur Ermittlung von Luftverunreinigungen |
JP3367930B2 (ja) * | 2000-02-28 | 2003-01-20 | 日本特殊陶業株式会社 | 制御システム |
US6484559B2 (en) * | 2001-02-26 | 2002-11-26 | Lucent Technologies Inc. | Odor sensing with organic transistors |
KR20050042188A (ko) | 2002-09-11 | 2005-05-04 | 마텔인코포레이티드 | 호흡 감지 장난감 |
DE10254855B4 (de) * | 2002-11-25 | 2008-08-21 | Paragon Ag | Sensor zur Erfassung der Luftgüte und Verfahren zur Erfassung der Luftgüte mit einem Sensor |
US6833535B2 (en) * | 2003-02-28 | 2004-12-21 | Delphi Technologies, Inc. | Method and control structure for a sensor heater |
US7557603B2 (en) * | 2006-08-29 | 2009-07-07 | Micron Technology, Inc. | Method and apparatus for output driver calibration, and memory devices and system embodying same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1927426A1 (de) * | 1969-05-29 | 1970-12-03 | Lutz Dr Ing Hermann | Hydraulikdruckbehaelter mit Pneumatikelementen |
US4443791A (en) * | 1978-01-05 | 1984-04-17 | Risgin Ojars | Self-compensating gas detection apparatus |
US4166380A (en) * | 1978-02-23 | 1979-09-04 | Northern Illinois Gas Company | Quantitative measuring system for combustible gas with audible tick rate |
JPS581746B2 (ja) * | 1978-12-07 | 1983-01-12 | 株式会社日本自動車部品総合研究所 | 空燃比検出装置 |
US4327361A (en) * | 1980-11-06 | 1982-04-27 | The United States Of America As Represented By The Secretary Of The Army | Gas sensor |
JPS61104246A (ja) * | 1984-10-26 | 1986-05-22 | Hitachi Ltd | 湿度検出回路 |
US4785658A (en) * | 1985-12-02 | 1988-11-22 | John Jackson | Method and apparatus for sensing hydrocarbon gases |
US4866400B1 (en) * | 1988-01-15 | 1999-08-31 | Eg & G Instr Inc | Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system |
JP2536226Y2 (ja) * | 1991-12-13 | 1997-05-21 | ティーディーケイ株式会社 | 湿度センサ |
DE4328218A1 (de) * | 1993-08-21 | 1995-02-23 | Rump Elektronik Tech | Auswertung von Sensorsignalen |
US5410908A (en) * | 1993-12-20 | 1995-05-02 | Data Instruments, Inc. | Measuring the quantity of a gas in a tank |
US5585756A (en) * | 1995-02-27 | 1996-12-17 | University Of Chicago | Gated integrator with signal baseline subtraction |
DE19527426B4 (de) * | 1995-07-27 | 2005-01-13 | Paragon Ag | Schaltungsanordnung zur Luftgütemessung |
DE29519940U1 (de) * | 1995-12-15 | 1996-02-01 | Paragon Sensoric Gmbh & Co Kg | Schadstoffsonde |
-
1996
- 1996-09-19 DE DE19638204A patent/DE19638204C1/de not_active Expired - Fee Related
-
1997
- 1997-07-26 EP EP97936560A patent/EP0927351B1/de not_active Expired - Lifetime
- 1997-07-26 AU AU39373/97A patent/AU714083B2/en not_active Ceased
- 1997-07-26 WO PCT/DE1997/001577 patent/WO1998012547A1/de not_active Application Discontinuation
- 1997-07-26 US US09/269,099 patent/US6055848A/en not_active Expired - Lifetime
- 1997-07-26 DE DE59712075T patent/DE59712075D1/de not_active Expired - Lifetime
- 1997-07-26 KR KR10-1999-7002332A patent/KR100518104B1/ko not_active IP Right Cessation
- 1997-07-26 JP JP51413498A patent/JP4108131B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017505646A (ja) * | 2013-11-19 | 2017-02-23 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 耐飽和性電気生理学的記録インターフェース |
US10925503B2 (en) | 2013-11-19 | 2021-02-23 | The Regents Of The University Of California | Saturation-tolerant electrophysical recording interface |
Also Published As
Publication number | Publication date |
---|---|
KR100518104B1 (ko) | 2005-10-04 |
KR20010029523A (ko) | 2001-04-06 |
JP4108131B2 (ja) | 2008-06-25 |
AU3937397A (en) | 1998-04-14 |
DE59712075D1 (de) | 2004-12-16 |
AU714083B2 (en) | 1999-12-16 |
EP0927351A1 (de) | 1999-07-07 |
WO1998012547A1 (de) | 1998-03-26 |
EP0927351B1 (de) | 2004-11-10 |
US6055848A (en) | 2000-05-02 |
DE19638204C1 (de) | 1998-01-15 |
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