FR2113235A5 - - Google Patents

Info

Publication number
FR2113235A5
FR2113235A5 FR7138363A FR7138363A FR2113235A5 FR 2113235 A5 FR2113235 A5 FR 2113235A5 FR 7138363 A FR7138363 A FR 7138363A FR 7138363 A FR7138363 A FR 7138363A FR 2113235 A5 FR2113235 A5 FR 2113235A5
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
FR7138363A
Other languages
French (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.)
Siemens Corp
Original Assignee
Siemens Corp
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
Priority claimed from DE19702052609 external-priority patent/DE2052609C/de
Application filed by Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of FR2113235A5 publication Critical patent/FR2113235A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
FR7138363A 1970-10-27 1971-10-26 Expired FR2113235A5 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702065118 DE2065118A1 (de) 1970-10-27 1970-10-27 Lichtzerhacker für ein nach dem Zweistrahlprinzip arbeitendes Ultrarot-Gasanalysegerät. Ausscheidung aus: 2052609
DE19702052609 DE2052609C (de) 1970-10-27 Lichtzeihacker für ein nach dem Zweistrahlprinzip arbeitendes Ultrarot-Gasanalysegerät

Publications (1)

Publication Number Publication Date
FR2113235A5 true FR2113235A5 (https=) 1972-06-23

Family

ID=25759971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7138363A Expired FR2113235A5 (https=) 1970-10-27 1971-10-26

Country Status (3)

Country Link
US (1) US3715153A (https=)
DE (1) DE2065118A1 (https=)
FR (1) FR2113235A5 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257899B1 (https=) * 1974-01-16 1976-12-31 Hartmann & Braun Ag
DE2608669C3 (de) * 1976-03-03 1981-06-25 Leybold-Heraeus GmbH, 5000 Köln Vorrichtung zur Messung des optischen Absorptionsvermögen einer festen, flüssigen oder gasförmigen Probe
JPS5399985A (en) * 1977-02-12 1978-08-31 Horiba Ltd Optical system apparatus
DE3809160A1 (de) * 1988-03-18 1989-09-28 Leybold Ag Infrarot-strahlungsquelle, insbesondere fuer ein mehrkanaliges gasanalysegeraet

Also Published As

Publication number Publication date
DE2065118A1 (de) 1972-07-20
DE2052609A1 (de) 1972-05-04
US3715153A (en) 1973-02-06
DE2052609B2 (de) 1972-11-09

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Legal Events

Date Code Title Description
ST Notification of lapse