FR1007445A - Dispositif photo-électrique - Google Patents

Dispositif photo-électrique

Info

Publication number
FR1007445A
FR1007445A FR1007445DA FR1007445A FR 1007445 A FR1007445 A FR 1007445A FR 1007445D A FR1007445D A FR 1007445DA FR 1007445 A FR1007445 A FR 1007445A
Authority
FR
France
Prior art keywords
photoelectric device
photoelectric
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.)
Motors Liquidation Co
Original Assignee
General Motors 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 General Motors Corp filed Critical General Motors Corp
Application granted granted Critical
Publication of FR1007445A publication Critical patent/FR1007445A/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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1007445D 1948-12-28 1949-12-27 Dispositif photo-électrique Expired FR1007445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1007445XA 1948-12-28 1948-12-28

Publications (1)

Publication Number Publication Date
FR1007445A true FR1007445A (fr) 1952-05-06

Family

ID=22281313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1007445D Expired FR1007445A (fr) 1948-12-28 1949-12-27 Dispositif photo-électrique

Country Status (1)

Country Link
FR (1) FR1007445A (fr)

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