FR749997A - Indicateur de diaphragme photocinématographique - Google Patents

Indicateur de diaphragme photocinématographique

Info

Publication number
FR749997A
FR749997A FR749997DA FR749997A FR 749997 A FR749997 A FR 749997A FR 749997D A FR749997D A FR 749997DA FR 749997 A FR749997 A FR 749997A
Authority
FR
France
Prior art keywords
photocinematographic
diaphragm
indicator
diaphragm indicator
photocinematographic diaphragm
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
Other languages
English (en)
Inventor
Frederic-Louis Jeannot
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 FR749997A publication Critical patent/FR749997A/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
    • G01J1/28—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 variation of intensity or distance of source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR749997D 1933-02-03 1933-02-03 Indicateur de diaphragme photocinématographique Expired FR749997A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR749997T 1933-02-03

Publications (1)

Publication Number Publication Date
FR749997A true FR749997A (fr) 1933-08-02

Family

ID=9149360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749997D Expired FR749997A (fr) 1933-02-03 1933-02-03 Indicateur de diaphragme photocinématographique

Country Status (1)

Country Link
FR (1) FR749997A (fr)

Similar Documents

Publication Publication Date Title
FR757325A (fr) Indicateur de syntonisation
FR749997A (fr) Indicateur de diaphragme photocinématographique
FR753336A (fr) Diaphragme
FR778775A (fr) Système triphasé-monophasé
FR802282A (fr) Plantoir
FR770940A (fr) Plantoir
FR799398A (fr) Indicateur de réglage
FR783435A (fr) Indicateur de stabilité
FR768340A (fr) Indicateur de températures
FR792731A (fr) Téléindicateur de position
FR789579A (fr) Indicateur gyroscopique de direction
FR792746A (fr) Indicateur de direction
FR46047E (fr) Indicateur de direction
FR737058A (fr) Indicateur mécanique de réglage
FR770778A (fr) Perfectionnements aux appareils avertisseurs sonores à diaphragme
FR43015E (fr) Plaque indicatrice
FR808148A (fr) Indicateur de débit
FR792075A (fr) Instrument indicateur
FR719919A (fr) Indicateur de pression
DK50007C (da) Temperaturindikator.
FR813252A (fr) Indicateur de direction
FR748014A (fr) Indicateur de pression statique
FR777393A (fr) Indicateur de pression
ES129372A1 (es) Distribuidos-contador automatico de volumenes rigidos
CH167508A (de) Diaphragma.