FR798778A - Perfectionnements aux appareils émettant des radiations, notamment aux appareils lumineux comportant des tubes luminescents - Google Patents

Perfectionnements aux appareils émettant des radiations, notamment aux appareils lumineux comportant des tubes luminescents

Info

Publication number
FR798778A
FR798778A FR798778DA FR798778A FR 798778 A FR798778 A FR 798778A FR 798778D A FR798778D A FR 798778DA FR 798778 A FR798778 A FR 798778A
Authority
FR
France
Prior art keywords
devices
emitting radiation
luminescent tubes
lighting devices
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
English (en)
Inventor
Charles Blumenthal
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 FR798778A publication Critical patent/FR798778A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR798778D 1935-02-06 1935-02-06 Perfectionnements aux appareils émettant des radiations, notamment aux appareils lumineux comportant des tubes luminescents Expired FR798778A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798778T 1935-02-06

Publications (1)

Publication Number Publication Date
FR798778A true FR798778A (fr) 1936-05-26

Family

ID=9236382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798778D Expired FR798778A (fr) 1935-02-06 1935-02-06 Perfectionnements aux appareils émettant des radiations, notamment aux appareils lumineux comportant des tubes luminescents

Country Status (1)

Country Link
FR (1) FR798778A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627256A1 (fr) * 1988-02-15 1989-08-18 Cibie Projecteurs Feu de signalisation a plage eclairante large et homogene pour vehicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627256A1 (fr) * 1988-02-15 1989-08-18 Cibie Projecteurs Feu de signalisation a plage eclairante large et homogene pour vehicule automobile

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