FR531611A - 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
FR531611A
FR531611A FR531611DA FR531611A FR 531611 A FR531611 A FR 531611A FR 531611D A FR531611D A FR 531611DA FR 531611 A FR531611 A FR 531611A
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 FR531611A publication Critical patent/FR531611A/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)
FR531611D 1921-01-28 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 FR531611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB531611X 1921-01-28

Publications (1)

Publication Number Publication Date
FR531611A true FR531611A (en) 1922-01-17

Family

ID=10466842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531611D Expired FR531611A (en) 1921-01-28 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) FR531611A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540389A (en) * 1946-02-21 1951-02-06 Elwood Wiles Signal light ray director
US2683799A (en) * 1951-05-10 1954-07-13 Day Brite Lighting Inc Electric lighting fixture with louver members
DE1193443B (en) * 1961-12-19 1965-05-26 Hemholz & Pauli Beleuchtungste Anti-glare louvre for lights

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540389A (en) * 1946-02-21 1951-02-06 Elwood Wiles Signal light ray director
US2683799A (en) * 1951-05-10 1954-07-13 Day Brite Lighting Inc Electric lighting fixture with louver members
DE1193443B (en) * 1961-12-19 1965-05-26 Hemholz & Pauli Beleuchtungste Anti-glare louvre for lights

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