FR531610A - Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare - Google Patents

Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare

Info

Publication number
FR531610A
FR531610A FR531610DA FR531610A FR 531610 A FR531610 A FR 531610A FR 531610D A FR531610D A FR 531610DA FR 531610 A FR531610 A FR 531610A
Authority
FR
France
Prior art keywords
controlling
motor vehicle
order
rays emitted
vehicle headlights
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
Alfred Ernest Terry
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 FR531610A publication Critical patent/FR531610A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—Attachment thereof
    • 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)
FR531610D 1921-01-12 1921-03-03 Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare Expired FR531610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB531610X 1921-01-12

Publications (1)

Publication Number Publication Date
FR531610A true FR531610A (en) 1922-01-17

Family

ID=10466841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531610D Expired FR531610A (en) 1921-01-12 1921-03-03 Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare

Country Status (1)

Country Link
FR (1) FR531610A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975853A (en) * 1957-11-07 1961-03-21 Albert W Friend Sound absorbent translucent building block
DE1231186B (en) * 1963-10-18 1966-12-29 Prot Visuelle Soc A R L Anti-glare screen
WO1992004579A1 (en) * 1990-09-11 1992-03-19 Parduhn A Philip A device for directing a beam of light

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975853A (en) * 1957-11-07 1961-03-21 Albert W Friend Sound absorbent translucent building block
DE1231186B (en) * 1963-10-18 1966-12-29 Prot Visuelle Soc A R L Anti-glare screen
WO1992004579A1 (en) * 1990-09-11 1992-03-19 Parduhn A Philip A device for directing a beam of light
US5299111A (en) * 1990-09-11 1994-03-29 Parduhn A Philip Device for directing a beam of light

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