FR722673A - Lighting apparatus using rectilinear light sources - Google Patents

Lighting apparatus using rectilinear light sources

Info

Publication number
FR722673A
FR722673A FR722673DA FR722673A FR 722673 A FR722673 A FR 722673A FR 722673D A FR722673D A FR 722673DA FR 722673 A FR722673 A FR 722673A
Authority
FR
France
Prior art keywords
light sources
lighting apparatus
rectilinear light
rectilinear
lighting
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.)
Holophane SAS
Original Assignee
Holophane SAS
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 Holophane SAS filed Critical Holophane SAS
Application granted granted Critical
Publication of FR722673A publication Critical patent/FR722673A/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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
FR722673D 1931-09-05 1931-09-05 Lighting apparatus using rectilinear light sources Expired FR722673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR722673T 1931-09-05

Publications (1)

Publication Number Publication Date
FR722673A true FR722673A (en) 1932-03-23

Family

ID=9102321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722673D Expired FR722673A (en) 1931-09-05 1931-09-05 Lighting apparatus using rectilinear light sources

Country Status (1)

Country Link
FR (1) FR722673A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1586813A1 (en) * 2004-04-16 2005-10-19 3M Innovative Properties Company Light box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1586813A1 (en) * 2004-04-16 2005-10-19 3M Innovative Properties Company Light box
WO2005106321A1 (en) * 2004-04-16 2005-11-10 3M Innovative Properties Company Light box

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