FR1329190A - Dispositif de mesure au moyen de deux faisceaux lumineux - Google Patents

Dispositif de mesure au moyen de deux faisceaux lumineux

Info

Publication number
FR1329190A
FR1329190A FR67007464A FR67007464A FR1329190A FR 1329190 A FR1329190 A FR 1329190A FR 67007464 A FR67007464 A FR 67007464A FR 67007464 A FR67007464 A FR 67007464A FR 1329190 A FR1329190 A FR 1329190A
Authority
FR
France
Prior art keywords
measuring device
light beams
beams
light
measuring
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
Application number
FR67007464A
Other languages
English (en)
Inventor
Erwin Sick
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 filed Critical
Application granted granted Critical
Publication of FR1329190A publication Critical patent/FR1329190A/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)
FR67007464A 1961-07-21 1962-07-17 Dispositif de mesure au moyen de deux faisceaux lumineux Expired FR1329190A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0074935 1961-07-21

Publications (1)

Publication Number Publication Date
FR1329190A true FR1329190A (fr) 1963-06-07

Family

ID=1572379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67007464A Expired FR1329190A (fr) 1961-07-21 1962-07-17 Dispositif de mesure au moyen de deux faisceaux lumineux

Country Status (1)

Country Link
FR (1) FR1329190A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372449A1 (fr) * 1976-09-07 1978-06-23 Sterndent Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372449A1 (fr) * 1976-09-07 1978-06-23 Sterndent Corp

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