FR611567A - - Google Patents

Info

Publication number
FR611567A
FR611567A FR611567DA FR611567A FR 611567 A FR611567 A FR 611567A FR 611567D A FR611567D A FR 611567DA FR 611567 A FR611567 A FR 611567A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR611567A publication Critical patent/FR611567A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/09Optical design with a combination of different curvatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/33Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/333Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR611567D Expired FR611567A (pt)

Publications (1)

Publication Number Publication Date
FR611567A true FR611567A (pt) 1926-10-01

Family

ID=1540863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR611567D Expired FR611567A (pt)

Country Status (1)

Country Link
FR (1) FR611567A (pt)

Similar Documents

Publication Publication Date Title
AT112354B (pt)
AT112305B (pt)
AT109105B (pt)
AT108096B (pt)
FR30500E (pt)
FR599480A (pt)
FR600314A (pt)
FR605517A (pt)
FR610747A (pt)
FR611567A (pt)
BE332825A (pt)
BE333005A (pt)
BE331576A (pt)
BE332545A (pt)
BE270782A (pt)
BE332487A (pt)
BE287588A (pt)
BE332552A (pt)
BE332470A (pt)
BE332638A (pt)
NL88740C (pt)
BE332738A (pt)
BE332397A (pt)
BE331237A (pt)
BE332764A (pt)