FR404443A - Conjugate focal point reflector and adjustable opening - Google Patents

Conjugate focal point reflector and adjustable opening

Info

Publication number
FR404443A
FR404443A FR404443DA FR404443A FR 404443 A FR404443 A FR 404443A FR 404443D A FR404443D A FR 404443DA FR 404443 A FR404443 A FR 404443A
Authority
FR
France
Prior art keywords
focal point
adjustable opening
conjugate focal
point reflector
reflector
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
Eugene Krauss
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.)
EUGENE KRAUSS
Original Assignee
EUGENE KRAUSS
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 EUGENE KRAUSS filed Critical EUGENE KRAUSS
Application granted granted Critical
Publication of FR404443A publication Critical patent/FR404443A/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
    • F21V7/04—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
    • F21S41/30—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)
FR404443D 1908-10-19 1908-10-19 Conjugate focal point reflector and adjustable opening Expired FR404443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR404443T 1908-10-19

Publications (1)

Publication Number Publication Date
FR404443A true FR404443A (en) 1909-12-01

Family

ID=1449003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404443D Expired FR404443A (en) 1908-10-19 1908-10-19 Conjugate focal point reflector and adjustable opening

Country Status (1)

Country Link
FR (1) FR404443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0505286A2 (en) * 1991-03-20 1992-09-23 Sony Corporation Light source and reflector assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0505286A2 (en) * 1991-03-20 1992-09-23 Sony Corporation Light source and reflector assembly
EP0505286A3 (en) * 1991-03-20 1992-12-16 Sony Corporation Light source and reflector assembly

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