FR992756A - Advanced projector - Google Patents

Advanced projector

Info

Publication number
FR992756A
FR992756A FR992756DA FR992756A FR 992756 A FR992756 A FR 992756A FR 992756D A FR992756D A FR 992756DA FR 992756 A FR992756 A FR 992756A
Authority
FR
France
Prior art keywords
projector
advanced
advanced projector
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
Maurice Decalion
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 FR992756A publication Critical patent/FR992756A/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
    • 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
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/332—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with continuity at the junction between adjacent areas
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR992756D 1944-09-09 1944-09-09 Advanced projector Expired FR992756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR992756T 1944-09-09

Publications (1)

Publication Number Publication Date
FR992756A true FR992756A (en) 1951-10-23

Family

ID=9555086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992756D Expired FR992756A (en) 1944-09-09 1944-09-09 Advanced projector

Country Status (1)

Country Link
FR (1) FR992756A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517803A1 (en) * 1981-12-08 1983-06-10 Bosch Gmbh Robert HEADLIGHT FOR MOTOR VEHICLE
EP0171646A1 (en) * 1984-08-17 1986-02-19 Robert Bosch Gmbh Motor vehicle headlamp for dipped light or fog light
FR2675443A1 (en) * 1991-04-20 1992-10-23 Bosch Gmbh Robert HEADLIGHT OF VEHICLES.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517803A1 (en) * 1981-12-08 1983-06-10 Bosch Gmbh Robert HEADLIGHT FOR MOTOR VEHICLE
EP0171646A1 (en) * 1984-08-17 1986-02-19 Robert Bosch Gmbh Motor vehicle headlamp for dipped light or fog light
FR2675443A1 (en) * 1991-04-20 1992-10-23 Bosch Gmbh Robert HEADLIGHT OF VEHICLES.

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