JPS6044614B2 - ガス分析器のドリフト補正装置 - Google Patents
ガス分析器のドリフト補正装置Info
- Publication number
- JPS6044614B2 JPS6044614B2 JP51051220A JP5122076A JPS6044614B2 JP S6044614 B2 JPS6044614 B2 JP S6044614B2 JP 51051220 A JP51051220 A JP 51051220A JP 5122076 A JP5122076 A JP 5122076A JP S6044614 B2 JPS6044614 B2 JP S6044614B2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- gas
- output signal
- output
- memory
- 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.)
- Expired
Links
- 238000012937 correction Methods 0.000 title claims description 7
- 230000015654 memory Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000003434 inspiratory effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004868 gas analysis Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 25
- 230000005669 field effect Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001489212 Tuber Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
- G01N33/4972—Determining alcohol content
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Measuring devices for evaluating the respiratory organs
- A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
- A61B5/0836—Measuring rate of CO2 production
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Urology & Nephrology (AREA)
- Medical Informatics (AREA)
- Food Science & Technology (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Obesity (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medicinal Chemistry (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2520197A DE2520197C2 (de) | 1975-05-06 | 1975-05-06 | Anordnung zur Driftkompensierung eines Gasanalysators |
| DE2520197.2 | 1975-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51136474A JPS51136474A (en) | 1976-11-25 |
| JPS6044614B2 true JPS6044614B2 (ja) | 1985-10-04 |
Family
ID=5945906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51051220A Expired JPS6044614B2 (ja) | 1975-05-06 | 1976-05-04 | ガス分析器のドリフト補正装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4067320A (ref) |
| JP (1) | JPS6044614B2 (ref) |
| DE (1) | DE2520197C2 (ref) |
| FR (1) | FR2310562A1 (ref) |
| GB (1) | GB1547623A (ref) |
| NL (1) | NL183607C (ref) |
| SE (1) | SE424774B (ref) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2626642B1 (de) * | 1976-06-14 | 1977-12-15 | Werner Prof Dr-Ing Adrian | Vorrichtung zum messen der konzentration von gasen |
| DE2707090A1 (de) * | 1977-02-18 | 1978-08-24 | Siemens Ag | Gasanalysator |
| IT1075513B (it) * | 1977-04-28 | 1985-04-22 | E L V I Spa | Apparecchiatura automatica per la determinazione fotometrica della concentrazione di bilirubina nel siero umano |
| US4096388A (en) * | 1977-06-10 | 1978-06-20 | Hewlett-Packard Company | Measuring gaseous oxygen with U.V. absorption |
| US4163383A (en) * | 1978-03-07 | 1979-08-07 | Alcohol Countermeasure Systems Inc. | Breath testing system |
| US4243883A (en) * | 1979-01-19 | 1981-01-06 | Midwest Cardiovascular Institute Foundation | Blood hematocrit monitoring system |
| FR2448145A2 (fr) * | 1979-02-05 | 1980-08-29 | Oreal | Appareil destine a reperer la quantite de sebum secretee par une peau |
| DE2906790C3 (de) * | 1979-02-22 | 1981-12-24 | Drägerwerk AG, 2400 Lübeck | Verfahren und Anordnung zur Bestimmung der Alkoholkonzentration des Blutes durch Messung der Alkoholkonzentration und der Feuchtigkeit in der Atemluft |
| DE2938856A1 (de) * | 1979-09-26 | 1981-04-16 | Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München | Verfahren und vorrichtung zur ermittlung der ablagerung von partikeln im atemtrakt und/oder zur ueberpruefung der funktion des atemtraktes |
| US4370553A (en) * | 1980-07-02 | 1983-01-25 | Sensors, Inc. | Contaminated sample gas analyzer and gas cell therefor |
| JPS5716339A (en) * | 1980-07-04 | 1982-01-27 | Nippon Koden Corp | Co2 densitometer |
| JPS5723843A (en) * | 1980-07-21 | 1982-02-08 | Nippon Koden Corp | Measuring apparatus of concentration of respiratory gas |
| JPS5731651U (ref) * | 1980-07-31 | 1982-02-19 | ||
| JPS5731652U (ref) * | 1980-07-31 | 1982-02-19 | ||
| JPS57113108U (ref) * | 1980-12-30 | 1982-07-13 | ||
| JPS58201049A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | スペクトル表示式分光光度計 |
| JPS58223040A (ja) * | 1982-06-22 | 1983-12-24 | Nippon Koden Corp | 呼吸気ガス濃度測定装置 |
| JPS5912321A (ja) * | 1982-07-12 | 1984-01-23 | Toshiba Corp | 分光計 |
| US4648396A (en) * | 1985-05-03 | 1987-03-10 | Brigham And Women's Hospital | Respiration detector |
| JPS6378053A (ja) * | 1986-09-20 | 1988-04-08 | Horiba Ltd | ガス分析計 |
| US4756670A (en) * | 1986-10-17 | 1988-07-12 | Andros Analyzers Incorporated | Detecting method and apparatus using heat sensitive devices |
| US4817013A (en) * | 1986-10-17 | 1989-03-28 | Nellcor, Inc. | Multichannel gas analyzer and method of use |
| US4859858A (en) * | 1986-12-04 | 1989-08-22 | Cascadia Technology Corporation | Gas analyzers |
| GB8815039D0 (en) * | 1988-06-24 | 1988-08-03 | Flow Lab | Semi-automatic gas zeroing system |
| US5022406A (en) * | 1988-08-01 | 1991-06-11 | Tomlinson Harold W | Module for determining diffusing capacity of the lungs for carbon monoxide and method |
| JPH02228943A (ja) * | 1989-03-01 | 1990-09-11 | Nippon Koden Corp | 2波長式呼吸ガス濃度測定装置 |
| IL90744A (en) * | 1989-06-25 | 1992-07-15 | Spegas Ind Ltd | Method and apparatus for gas analysis |
| EP0489840A4 (en) * | 1989-09-01 | 1992-08-12 | Critikon, Inc. | Shutterless optically stabilized capnograph |
| US5355893A (en) * | 1992-04-06 | 1994-10-18 | Mick Peter R | Vital signs monitor |
| US5361772A (en) * | 1993-07-07 | 1994-11-08 | Diagnostics & Devices, Inc. | Breath collection devices |
| EP0728441B1 (en) * | 1995-02-23 | 2003-05-21 | Nihon Kohden Corporation | Capnometer |
| JP3273295B2 (ja) * | 1995-02-23 | 2002-04-08 | 日本光電工業株式会社 | 炭酸ガス濃度測定装置 |
| EP0729727A3 (en) * | 1995-02-24 | 1998-11-04 | Nihon Kohden Corporation | Capnometer |
| US6267928B1 (en) | 1995-02-24 | 2001-07-31 | Nihon Kohden Corporation | Capnometer |
| DE69629510T2 (de) * | 1995-02-24 | 2004-04-08 | Nihon Kohden Corp. | Kapnometer |
| US6039697A (en) * | 1998-03-20 | 2000-03-21 | Datex-Ohmeda, Inc. | Fiber optic based multicomponent infrared respiratory gas analyzer |
| EP0988521A1 (en) | 1998-04-14 | 2000-03-29 | Instrumentarium Corporation | Sensor assembly and method for measuring nitrogen dioxide |
| US6484559B2 (en) * | 2001-02-26 | 2002-11-26 | Lucent Technologies Inc. | Odor sensing with organic transistors |
| US20020153490A1 (en) * | 2001-03-28 | 2002-10-24 | O'leary Robert | Concentration detection system |
| US20040236242A1 (en) * | 2003-05-22 | 2004-11-25 | Graham James E. | Capnograph system with integral controller |
| US6878938B2 (en) * | 2003-07-16 | 2005-04-12 | Perkinelmer, Inc. | High frequency infrared radiation source |
| US7241269B2 (en) * | 2003-09-02 | 2007-07-10 | Respiratory Management Technology | Apparatus and method for delivery of an aerosol |
| US7736903B2 (en) * | 2005-10-05 | 2010-06-15 | Delphi Technologies, Inc. | Tracer to compensate for environmental variations that influence a chemical vapor sensor measurement |
| EP2102641A1 (en) * | 2007-01-04 | 2009-09-23 | Koninklijke Philips Electronics N.V. | Method, detector and system for measuring a sample concentration |
| WO2011117900A1 (en) | 2010-03-22 | 2011-09-29 | Mchele Pitaro | Portable device for detecting drugs in breath |
| ITRM20100125A1 (it) * | 2010-03-22 | 2011-09-23 | Carlo Bellecci | Apparecchio diagnostico per il rilevamento di sostanze stupefacenti e/o psicotrope nell'organismo umano,e/o dei metaboliti da esse derivanti |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3308648A (en) * | 1963-09-12 | 1967-03-14 | Chemetron Corp | Gas measuring method and apparatus |
| US3384746A (en) * | 1966-02-02 | 1968-05-21 | Honeywell Inc | Ultraviolet gas analysis apparatus and detector circuit integrating means having both short and long constants |
| US3741208A (en) * | 1971-02-23 | 1973-06-26 | B Jonsson | Lung ventilator |
| US3886929A (en) * | 1971-09-20 | 1975-06-03 | Borg Warner | Breath tester null memory system |
| US3807876A (en) * | 1972-03-15 | 1974-04-30 | Mitsubishi Electric Corp | Gas densitometer |
| US3792272A (en) * | 1973-01-12 | 1974-02-12 | Omicron Syst Corp | Breath test device for organic components, including alcohol |
| US3826920A (en) * | 1973-04-12 | 1974-07-30 | Massachusetts Inst Technology | Fluorescent gas analyzer with calibration system |
-
1975
- 1975-05-06 DE DE2520197A patent/DE2520197C2/de not_active Expired
-
1976
- 1976-01-08 NL NLAANVRAGE7600157,A patent/NL183607C/xx not_active IP Right Cessation
- 1976-02-16 SE SE7601711A patent/SE424774B/xx not_active IP Right Cessation
- 1976-04-30 US US05/682,167 patent/US4067320A/en not_active Expired - Lifetime
- 1976-05-03 GB GB18034/76A patent/GB1547623A/en not_active Expired
- 1976-05-04 JP JP51051220A patent/JPS6044614B2/ja not_active Expired
- 1976-05-05 FR FR7613402A patent/FR2310562A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL183607C (nl) | 1988-12-01 |
| NL7600157A (nl) | 1976-11-09 |
| SE7601711L (sv) | 1976-11-07 |
| US4067320A (en) | 1978-01-10 |
| DE2520197A1 (de) | 1976-11-25 |
| JPS51136474A (en) | 1976-11-25 |
| DE2520197C2 (de) | 1983-11-17 |
| SE424774B (sv) | 1982-08-09 |
| GB1547623A (en) | 1979-06-27 |
| NL183607B (nl) | 1988-07-01 |
| FR2310562B1 (ref) | 1980-01-11 |
| FR2310562A1 (fr) | 1976-12-03 |
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