FR684570A - Projector - Google Patents

Projector

Info

Publication number
FR684570A
FR684570A FR684570DA FR684570A FR 684570 A FR684570 A FR 684570A FR 684570D A FR684570D A FR 684570DA FR 684570 A FR684570 A FR 684570A
Authority
FR
France
Prior art keywords
projector
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
French (fr)
Inventor
John Roche
William P Verdon
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 FR684570A publication Critical patent/FR684570A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/125—Coloured light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR684570D 1929-11-07 1929-11-07 Projector Expired FR684570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR684570T 1929-11-07

Publications (1)

Publication Number Publication Date
FR684570A true FR684570A (en) 1930-06-27

Family

ID=9024514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684570D Expired FR684570A (en) 1929-11-07 1929-11-07 Projector

Country Status (1)

Country Link
FR (1) FR684570A (en)

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