FR1195541A - Perfectionnements apportés aux dispositifs d'écrans - Google Patents

Perfectionnements apportés aux dispositifs d'écrans

Info

Publication number
FR1195541A
FR1195541A FR1195541DA FR1195541A FR 1195541 A FR1195541 A FR 1195541A FR 1195541D A FR1195541D A FR 1195541DA FR 1195541 A FR1195541 A FR 1195541A
Authority
FR
France
Prior art keywords
screen devices
screen
devices
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
Maurice Kilemnik
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 FR1195541A publication Critical patent/FR1195541A/fr
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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1195541D 1958-05-02 1958-05-02 Perfectionnements apportés aux dispositifs d'écrans Expired FR1195541A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1195541T 1958-05-02

Publications (1)

Publication Number Publication Date
FR1195541A true FR1195541A (fr) 1959-11-18

Family

ID=9668759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1195541D Expired FR1195541A (fr) 1958-05-02 1958-05-02 Perfectionnements apportés aux dispositifs d'écrans

Country Status (1)

Country Link
FR (1) FR1195541A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001930A1 (fr) * 1980-12-03 1982-06-10 Sven A Willumsen Grille double pour lampe a fluorescence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001930A1 (fr) * 1980-12-03 1982-06-10 Sven A Willumsen Grille double pour lampe a fluorescence

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