FR2297414A1 - Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres - Google Patents

Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres

Info

Publication number
FR2297414A1
FR2297414A1 FR7501351A FR7501351A FR2297414A1 FR 2297414 A1 FR2297414 A1 FR 2297414A1 FR 7501351 A FR7501351 A FR 7501351A FR 7501351 A FR7501351 A FR 7501351A FR 2297414 A1 FR2297414 A1 FR 2297414A1
Authority
FR
France
Prior art keywords
transistor
photo
receiver
diode
photoresistance
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
FR7501351A
Other languages
English (en)
French (fr)
Other versions
FR2297414B1 (enrdf_load_stackoverflow
Inventor
Y Moschetto
G Leroy
F Steenkeste
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.)
Institut National de la Sante et de la Recherche Medicale INSERM
Original Assignee
Institut National de la Sante et de la Recherche Medicale INSERM
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 Institut National de la Sante et de la Recherche Medicale INSERM filed Critical Institut National de la Sante et de la Recherche Medicale INSERM
Priority to FR7501351A priority Critical patent/FR2297414A1/fr
Publication of FR2297414A1 publication Critical patent/FR2297414A1/fr
Application granted granted Critical
Publication of FR2297414B1 publication Critical patent/FR2297414B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251Colorimeters; Construction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7501351A 1975-01-09 1975-01-09 Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres Granted FR2297414A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7501351A FR2297414A1 (fr) 1975-01-09 1975-01-09 Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501351A FR2297414A1 (fr) 1975-01-09 1975-01-09 Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres

Publications (2)

Publication Number Publication Date
FR2297414A1 true FR2297414A1 (fr) 1976-08-06
FR2297414B1 FR2297414B1 (enrdf_load_stackoverflow) 1977-07-15

Family

ID=9149916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501351A Granted FR2297414A1 (fr) 1975-01-09 1975-01-09 Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres

Country Status (1)

Country Link
FR (1) FR2297414A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186712A1 (en) * 1984-11-22 1986-07-09 Personal Diagnostics, Inc. Combined cuvette with integral optical elements and electrical circuit with photoemissive and photosensitive elements in intimate optical contact with said optical elements

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927339A1 (de) * 1969-05-29 1970-12-03 Pauschmann Dr Dipl Chem Holm Flammenionisationsdetektor nach dem Geblaese-Prinzip
FR2148457A1 (enrdf_load_stackoverflow) * 1971-08-06 1973-03-23 Metrawatt Gmbh

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927339A1 (de) * 1969-05-29 1970-12-03 Pauschmann Dr Dipl Chem Holm Flammenionisationsdetektor nach dem Geblaese-Prinzip
FR2148457A1 (enrdf_load_stackoverflow) * 1971-08-06 1973-03-23 Metrawatt Gmbh

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186712A1 (en) * 1984-11-22 1986-07-09 Personal Diagnostics, Inc. Combined cuvette with integral optical elements and electrical circuit with photoemissive and photosensitive elements in intimate optical contact with said optical elements

Also Published As

Publication number Publication date
FR2297414B1 (enrdf_load_stackoverflow) 1977-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse