FR1231904A - Surface d'éclairage - Google Patents

Surface d'éclairage

Info

Publication number
FR1231904A
FR1231904A FR797948A FR797948A FR1231904A FR 1231904 A FR1231904 A FR 1231904A FR 797948 A FR797948 A FR 797948A FR 797948 A FR797948 A FR 797948A FR 1231904 A FR1231904 A FR 1231904A
Authority
FR
France
Prior art keywords
lighting surface
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
FR797948A
Other languages
English (en)
Inventor
Herbert Anger
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
Priority to FR797948A priority Critical patent/FR1231904A/fr
Application granted granted Critical
Publication of FR1231904A publication Critical patent/FR1231904A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • 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
    • F21Y2105/00—Planar light sources
FR797948A 1959-06-19 1959-06-19 Surface d'éclairage Expired FR1231904A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR797948A FR1231904A (fr) 1959-06-19 1959-06-19 Surface d'éclairage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR797948A FR1231904A (fr) 1959-06-19 1959-06-19 Surface d'éclairage

Publications (1)

Publication Number Publication Date
FR1231904A true FR1231904A (fr) 1960-10-04

Family

ID=8716220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797948A Expired FR1231904A (fr) 1959-06-19 1959-06-19 Surface d'éclairage

Country Status (1)

Country Link
FR (1) FR1231904A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300885A (en) * 1965-02-24 1967-01-31 William H Haire Panel type display signs
EP0562702A1 (fr) * 1992-03-25 1993-09-29 "EQG" ENTWICKLUNGS- UND QUALIFIZIERUNGSGESELLSCHAFT FÜR FERNSEHELEKTRONIK mbH Eléments lumineux disposés suivant une géométrie déterminée
WO1993020579A1 (fr) * 1992-03-27 1993-10-14 Philips Electronics N.V. Lampe a arc a mercure a basse pression et panneau d'eclairage pourvu d'une telle lampe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300885A (en) * 1965-02-24 1967-01-31 William H Haire Panel type display signs
EP0562702A1 (fr) * 1992-03-25 1993-09-29 "EQG" ENTWICKLUNGS- UND QUALIFIZIERUNGSGESELLSCHAFT FÜR FERNSEHELEKTRONIK mbH Eléments lumineux disposés suivant une géométrie déterminée
WO1993020579A1 (fr) * 1992-03-27 1993-10-14 Philips Electronics N.V. Lampe a arc a mercure a basse pression et panneau d'eclairage pourvu d'une telle lampe
US5982089A (en) * 1992-03-27 1999-11-09 U.S. Philips Corporation Low-pressure mercury discharge meander lamp dimensioned for even illumination and favorable power consumption

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