FR1311121A - Method of selective filtering of light rays and anti-glare filter screens established according to this method - Google Patents

Method of selective filtering of light rays and anti-glare filter screens established according to this method

Info

Publication number
FR1311121A
FR1311121A FR851903A FR851903A FR1311121A FR 1311121 A FR1311121 A FR 1311121A FR 851903 A FR851903 A FR 851903A FR 851903 A FR851903 A FR 851903A FR 1311121 A FR1311121 A FR 1311121A
Authority
FR
France
Prior art keywords
light rays
filter screens
established according
selective filtering
glare filter
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
FR851903A
Other languages
French (fr)
Inventor
Roger Delhumeau
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
Priority to FR851903A priority Critical patent/FR1311121A/en
Application granted granted Critical
Publication of FR1311121A publication Critical patent/FR1311121A/en
Priority to FR158005A priority patent/FR95417E/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
    • F21S41/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR851903A 1961-02-07 1961-02-07 Method of selective filtering of light rays and anti-glare filter screens established according to this method Expired FR1311121A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR851903A FR1311121A (en) 1961-02-07 1961-02-07 Method of selective filtering of light rays and anti-glare filter screens established according to this method
FR158005A FR95417E (en) 1961-02-07 1968-07-05 Method of selective filtering of light rays and anti-glare filter screens established according to this method.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851903A FR1311121A (en) 1961-02-07 1961-02-07 Method of selective filtering of light rays and anti-glare filter screens established according to this method

Publications (1)

Publication Number Publication Date
FR1311121A true FR1311121A (en) 1962-12-07

Family

ID=8748272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851903A Expired FR1311121A (en) 1961-02-07 1961-02-07 Method of selective filtering of light rays and anti-glare filter screens established according to this method

Country Status (1)

Country Link
FR (1) FR1311121A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231186B (en) * 1963-10-18 1966-12-29 Prot Visuelle Soc A R L Anti-glare screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231186B (en) * 1963-10-18 1966-12-29 Prot Visuelle Soc A R L Anti-glare screen

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