FR2389876B1 - - Google Patents

Info

Publication number
FR2389876B1
FR2389876B1 FR7813419A FR7813419A FR2389876B1 FR 2389876 B1 FR2389876 B1 FR 2389876B1 FR 7813419 A FR7813419 A FR 7813419A FR 7813419 A FR7813419 A FR 7813419A FR 2389876 B1 FR2389876 B1 FR 2389876B1
Authority
FR
France
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
Application number
FR7813419A
Other versions
FR2389876A1 (fr
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.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold Heraeus GmbH
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 Leybold Heraeus GmbH filed Critical Leybold Heraeus GmbH
Publication of FR2389876A1 publication Critical patent/FR2389876A1/fr
Application granted granted Critical
Publication of FR2389876B1 publication Critical patent/FR2389876B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
FR7813419A 1977-05-07 1978-05-05 Expired FR2389876B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2720636A DE2720636C2 (de) 1977-05-07 1977-05-07 Pneumatischer Infrarot-Strahlungsdetektor mit einer vakuumdichten Kammer und einem strahlungsdurchlässigen Fenster

Publications (2)

Publication Number Publication Date
FR2389876A1 FR2389876A1 (fr) 1978-12-01
FR2389876B1 true FR2389876B1 (fr) 1983-03-04

Family

ID=6008343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813419A Expired FR2389876B1 (fr) 1977-05-07 1978-05-05

Country Status (5)

Country Link
US (1) US4201915A (fr)
DE (1) DE2720636C2 (fr)
FR (1) FR2389876B1 (fr)
GB (1) GB1572978A (fr)
IT (1) IT1095007B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3010516C2 (de) * 1980-03-19 1985-02-21 Leybold-Heraeus GmbH, 5000 Köln Küvette für optische Gasanalysengeräte
US4495418A (en) * 1983-02-15 1985-01-22 Cal Detect, Inc. Method of standardizing IR breath alcohol device
US4549080A (en) * 1983-06-17 1985-10-22 Infrared Industries, Inc. Double-pass flue gas analyzer
DE3328171A1 (de) * 1983-08-04 1985-02-14 Leybold-Heraeus GmbH, 5000 Köln Kuevette fuer gasanalysengeraete
DE3620604A1 (de) * 1986-06-23 1988-01-21 Deutsche Forsch Luft Raumfahrt Verfahren und vorrichtung zur bestimmung der strahlungsabsorption eines absorberkoerpers
DE3700580A1 (de) * 1987-01-10 1988-07-21 Leybold Ag Kuevette fuer gasanalysegeraete
DE3733573A1 (de) * 1987-10-03 1989-04-20 Leybold Ag Vorrichtung zum messen des fremdstoffanteils in stroemenden fluessigkeiten
DE8902312U1 (fr) * 1989-02-27 1990-03-29 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE9006169U1 (fr) * 1990-05-31 1991-07-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE4018610C1 (fr) * 1990-06-11 1991-04-25 Hartmann & Braun Ag, 6000 Frankfurt, De
US5362967A (en) * 1992-09-30 1994-11-08 Horiba, Ltd. Pneumatic infrared ray detector for use in gas analyzer
DE19540072B4 (de) * 1995-10-27 2004-12-30 Emerson Process Management Manufacturing Gmbh & Co. Ohg Optisch-pneumatischer Strahlungsdetektor
DE19716252A1 (de) * 1997-04-18 1998-10-22 Conducta Endress & Hauser Optischer Sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT950955B (it) * 1971-04-06 1973-06-20 Siemens Ag Dispositivo per impostare sulla stessa intensita i due fasci di raggi di un apparecchio ottico a due raggi preferibilmente per impostare lo zero di un apparecchio per l analisi di gas a raggi infra rossi
BE786029A (fr) * 1971-09-28 1973-01-08 Schlumberger Compteurs Perfectionnements aux analyseurs de gaz a infrarouge
US3904880A (en) * 1973-05-10 1975-09-09 Honeywell Inc Multi-component infrared analyzer
DE2656487C3 (de) * 1976-12-14 1981-01-29 Leybold-Heraeus Gmbh, 5000 Koeln Mikroströmungsfühler für Gase

Also Published As

Publication number Publication date
US4201915A (en) 1980-05-06
GB1572978A (en) 1980-08-13
DE2720636C2 (de) 1985-01-03
IT1095007B (it) 1985-08-10
FR2389876A1 (fr) 1978-12-01
IT7822753A0 (it) 1978-04-27
DE2720636A1 (de) 1978-11-09

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Legal Events

Date Code Title Description
CN Change in juridical nature
TP Transmission of property
ST Notification of lapse