FR1058232A - Dispositif de réflexion - Google Patents

Dispositif de réflexion

Info

Publication number
FR1058232A
FR1058232A FR1058232DA FR1058232A FR 1058232 A FR1058232 A FR 1058232A FR 1058232D A FR1058232D A FR 1058232DA FR 1058232 A FR1058232 A FR 1058232A
Authority
FR
France
Prior art keywords
reflection device
reflection
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)
Inventor
Walter Ott
Max Oberholzer
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 FR1058232A publication Critical patent/FR1058232A/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
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1058232D 1952-03-13 1952-06-11 Dispositif de réflexion Expired FR1058232A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1058232X 1952-03-13

Publications (1)

Publication Number Publication Date
FR1058232A true FR1058232A (fr) 1954-03-15

Family

ID=4555238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1058232D Expired FR1058232A (fr) 1952-03-13 1952-06-11 Dispositif de réflexion

Country Status (1)

Country Link
FR (1) FR1058232A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570801A1 (fr) * 1984-09-21 1986-03-28 Tungsram Reszvenytarsasag Projecteur de lumiere a plusieurs surfaces reflechissantes
EP0456427A2 (fr) * 1990-05-08 1991-11-13 Canon Kabushiki Kaisha Appareil de conversion de polarisation et instrument optique comportant cet appareil
US5749642A (en) * 1992-03-18 1998-05-12 Canon Kabushiki Kaisha Illuminating optical system and projector utilizing the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570801A1 (fr) * 1984-09-21 1986-03-28 Tungsram Reszvenytarsasag Projecteur de lumiere a plusieurs surfaces reflechissantes
US4654758A (en) * 1984-09-21 1987-03-31 Tungsram Rt. Headlamp
EP0456427A2 (fr) * 1990-05-08 1991-11-13 Canon Kabushiki Kaisha Appareil de conversion de polarisation et instrument optique comportant cet appareil
EP0456427A3 (en) * 1990-05-08 1992-10-14 Canon Kabushiki Kaisha Polarization converting apparatus and optical instrument having the same
US5461500A (en) * 1990-05-08 1995-10-24 Canon Kabushiki Kaisha Polarization converting apparatus and optical instrument having the same
US5749642A (en) * 1992-03-18 1998-05-12 Canon Kabushiki Kaisha Illuminating optical system and projector utilizing the same
US5833341A (en) * 1992-03-18 1998-11-10 Canon Kabushiki Kaisha Illuminating optical system and projector utilizing the same

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