FR716039A - Electric lighting device with a spherical reflector or the like forming a lamp holder - Google Patents

Electric lighting device with a spherical reflector or the like forming a lamp holder

Info

Publication number
FR716039A
FR716039A FR716039DA FR716039A FR 716039 A FR716039 A FR 716039A FR 716039D A FR716039D A FR 716039DA FR 716039 A FR716039 A FR 716039A
Authority
FR
France
Prior art keywords
forming
lighting device
lamp holder
spherical reflector
electric 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)
Inventor
Auguste Dutruc-Rosset
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 FR716039A publication Critical patent/FR716039A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR716039D 1931-04-25 1931-04-25 Electric lighting device with a spherical reflector or the like forming a lamp holder Expired FR716039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716039T 1931-04-25

Publications (1)

Publication Number Publication Date
FR716039A true FR716039A (en) 1931-12-14

Family

ID=9089291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716039D Expired FR716039A (en) 1931-04-25 1931-04-25 Electric lighting device with a spherical reflector or the like forming a lamp holder

Country Status (1)

Country Link
FR (1) FR716039A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918568A (en) * 1958-02-27 1959-12-22 Pyle National Co Holder for reflector and projector lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918568A (en) * 1958-02-27 1959-12-22 Pyle National Co Holder for reflector and projector lamps

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