FR865068A - Réflecteur ou projecteur à grande efficacité - Google Patents

Réflecteur ou projecteur à grande efficacité

Info

Publication number
FR865068A
FR865068A FR865068DA FR865068A FR 865068 A FR865068 A FR 865068A FR 865068D A FR865068D A FR 865068DA FR 865068 A FR865068 A FR 865068A
Authority
FR
France
Prior art keywords
projector
high efficiency
efficiency reflector
reflector
efficiency
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
English (en)
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.)
MACHAL PROJECTEURS
Original Assignee
MACHAL PROJECTEURS
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 MACHAL PROJECTEURS filed Critical MACHAL PROJECTEURS
Application granted granted Critical
Publication of FR865068A publication Critical patent/FR865068A/fr
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
    • F21V7/04—Optical design
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR865068D 1939-04-20 1940-04-19 Réflecteur ou projecteur à grande efficacité Expired FR865068A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU865068X 1939-04-20

Publications (1)

Publication Number Publication Date
FR865068A true FR865068A (fr) 1941-05-13

Family

ID=19734492

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865068D Expired FR865068A (fr) 1939-04-20 1940-04-19 Réflecteur ou projecteur à grande efficacité

Country Status (1)

Country Link
FR (1) FR865068A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456948A (en) * 1981-04-14 1984-06-26 Cibie Projecteurs Motor vehicle headlamp with a narrow outlet window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456948A (en) * 1981-04-14 1984-06-26 Cibie Projecteurs Motor vehicle headlamp with a narrow outlet window

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