FR625391A - Improvements made to reflectors intended to return rays emitted by a light source to a limited portion of the space - Google Patents

Improvements made to reflectors intended to return rays emitted by a light source to a limited portion of the space

Info

Publication number
FR625391A
FR625391A FR625391DA FR625391A FR 625391 A FR625391 A FR 625391A FR 625391D A FR625391D A FR 625391DA FR 625391 A FR625391 A FR 625391A
Authority
FR
France
Prior art keywords
space
light source
rays emitted
improvements made
limited portion
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
Jacques-Louis Pech
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 FR625391A publication Critical patent/FR625391A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR625391D 1926-11-16 1926-11-16 Improvements made to reflectors intended to return rays emitted by a light source to a limited portion of the space Expired FR625391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625391T 1926-11-16

Publications (1)

Publication Number Publication Date
FR625391A true FR625391A (en) 1927-08-09

Family

ID=8987696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625391D Expired FR625391A (en) 1926-11-16 1926-11-16 Improvements made to reflectors intended to return rays emitted by a light source to a limited portion of the space

Country Status (1)

Country Link
FR (1) FR625391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130923B (en) * 1960-01-19 1962-06-07 Philips Nv Headlight bulb for vehicle lighting or light bulb designed as a headlight

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130923B (en) * 1960-01-19 1962-06-07 Philips Nv Headlight bulb for vehicle lighting or light bulb designed as a headlight

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