FR422215A - Optical device applicable to lighting devices - Google Patents

Optical device applicable to lighting devices

Info

Publication number
FR422215A
FR422215A FR422215DA FR422215A FR 422215 A FR422215 A FR 422215A FR 422215D A FR422215D A FR 422215DA FR 422215 A FR422215 A FR 422215A
Authority
FR
France
Prior art keywords
optical device
lighting devices
device applicable
applicable
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
Gustave-Antoine Gourdon
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.)
GUSTAVE ANTOINE GOURDON
Original Assignee
GUSTAVE ANTOINE GOURDON
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 GUSTAVE ANTOINE GOURDON filed Critical GUSTAVE ANTOINE GOURDON
Application granted granted Critical
Publication of FR422215A publication Critical patent/FR422215A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR422215D 1910-11-05 1910-11-05 Optical device applicable to lighting devices Expired FR422215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422215T 1910-11-05

Publications (1)

Publication Number Publication Date
FR422215A true FR422215A (en) 1911-03-16

Family

ID=1465187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422215D Expired FR422215A (en) 1910-11-05 1910-11-05 Optical device applicable to lighting devices

Country Status (1)

Country Link
FR (1) FR422215A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536828A (en) * 1980-06-27 1985-08-20 Kei Mori Lighting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536828A (en) * 1980-06-27 1985-08-20 Kei Mori Lighting device

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