FR864677A - Photomètre - Google Patents

Photomètre

Info

Publication number
FR864677A
FR864677A FR864677DA FR864677A FR 864677 A FR864677 A FR 864677A FR 864677D A FR864677D A FR 864677DA FR 864677 A FR864677 A FR 864677A
Authority
FR
France
Prior art keywords
photometer
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)
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.)
Technicolor Motion Picture Corp
Original Assignee
Technicolor Motion Picture 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
Application filed by Technicolor Motion Picture Corp filed Critical Technicolor Motion Picture Corp
Application granted granted Critical
Publication of FR864677A publication Critical patent/FR864677A/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR864677D 1939-06-09 1940-04-06 Photomètre Expired FR864677A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US864677XA 1939-06-09 1939-06-09

Publications (1)

Publication Number Publication Date
FR864677A true FR864677A (fr) 1941-05-02

Family

ID=22198758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864677D Expired FR864677A (fr) 1939-06-09 1940-04-06 Photomètre

Country Status (1)

Country Link
FR (1) FR864677A (fr)

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