FR821819A - Advanced projector - Google Patents

Advanced projector

Info

Publication number
FR821819A
FR821819A FR821819DA FR821819A FR 821819 A FR821819 A FR 821819A FR 821819D A FR821819D A FR 821819DA FR 821819 A FR821819 A FR 821819A
Authority
FR
France
Prior art keywords
projector
advanced
advanced 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)
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.)
C E E SA De Construction SA
Original Assignee
C E E SA De Construction SA
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 C E E SA De Construction SA filed Critical C E E SA De Construction SA
Application granted granted Critical
Publication of FR821819A publication Critical patent/FR821819A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
FR821819D 1936-08-19 1936-08-19 Advanced projector Expired FR821819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR821819T 1936-08-19

Publications (1)

Publication Number Publication Date
FR821819A true FR821819A (en) 1937-12-14

Family

ID=9278752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821819D Expired FR821819A (en) 1936-08-19 1936-08-19 Advanced projector

Country Status (1)

Country Link
FR (1) FR821819A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192882A2 (en) * 1985-02-28 1986-09-03 VARI-LITE, INC.(a Delaware corporation) Light source having automatically variable hue, saturation and beam divergence

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192882A2 (en) * 1985-02-28 1986-09-03 VARI-LITE, INC.(a Delaware corporation) Light source having automatically variable hue, saturation and beam divergence
EP0192882A3 (en) * 1985-02-28 1988-08-03 Vari-Lite, Inc. Light source having automatically variable hue, saturation and beam divergence

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