FR412591A - Catoptric device for headlights - Google Patents

Catoptric device for headlights

Info

Publication number
FR412591A
FR412591A FR412591A FR412591DA FR412591A FR 412591 A FR412591 A FR 412591A FR 412591 A FR412591 A FR 412591A FR 412591D A FR412591D A FR 412591DA FR 412591 A FR412591 A FR 412591A
Authority
FR
France
Prior art keywords
headlights
catoptric
catoptric device
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
FR412591A
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.)
HARLE ET CIE SOC
Original Assignee
HARLE ET CIE SOC
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 HARLE ET CIE SOC filed Critical HARLE ET CIE SOC
Application granted granted Critical
Publication of FR412591A publication Critical patent/FR412591A/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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR412591A 1909-05-05 1909-05-05 Catoptric device for headlights Expired FR412591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR412591T 1909-05-05

Publications (1)

Publication Number Publication Date
FR412591A true FR412591A (en) 1910-07-16

Family

ID=1456441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412591A Expired FR412591A (en) 1909-05-05 1909-05-05 Catoptric device for headlights

Country Status (1)

Country Link
FR (1) FR412591A (en)

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