FR437736A - Improvements to parabolic reflector lighting fixtures - Google Patents

Improvements to parabolic reflector lighting fixtures

Info

Publication number
FR437736A
FR437736A FR437736A FR437736DA FR437736A FR 437736 A FR437736 A FR 437736A FR 437736 A FR437736 A FR 437736A FR 437736D A FR437736D A FR 437736DA FR 437736 A FR437736 A FR 437736A
Authority
FR
France
Prior art keywords
lighting fixtures
parabolic reflector
reflector lighting
parabolic
fixtures
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
FR437736A
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.)
JULES GROUVELLE H ARQUEMBOURG ET CIE Ste
Original Assignee
JULES GROUVELLE H ARQUEMBOURG ET CIE Ste
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 JULES GROUVELLE H ARQUEMBOURG ET CIE Ste filed Critical JULES GROUVELLE H ARQUEMBOURG ET CIE Ste
Application granted granted Critical
Publication of FR437736A publication Critical patent/FR437736A/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
    • F21V7/10—Construction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR437736A 1911-12-16 1911-12-16 Improvements to parabolic reflector lighting fixtures Expired FR437736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR437736T 1911-12-16

Publications (1)

Publication Number Publication Date
FR437736A true FR437736A (en) 1912-04-29

Family

ID=1479320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR437736A Expired FR437736A (en) 1911-12-16 1911-12-16 Improvements to parabolic reflector lighting fixtures

Country Status (1)

Country Link
FR (1) FR437736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660462A (en) * 1994-09-13 1997-08-26 Osram Sylvania Inc. High efficiency vehicle headlights and reflector lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660462A (en) * 1994-09-13 1997-08-26 Osram Sylvania Inc. High efficiency vehicle headlights and reflector lamps

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