FR535360A - Device for avoiding the dazzling of any luminous focus specially applied to motor vehicles - Google Patents

Device for avoiding the dazzling of any luminous focus specially applied to motor vehicles

Info

Publication number
FR535360A
FR535360A FR535360DA FR535360A FR 535360 A FR535360 A FR 535360A FR 535360D A FR535360D A FR 535360DA FR 535360 A FR535360 A FR 535360A
Authority
FR
France
Prior art keywords
dazzling
avoiding
motor vehicles
specially applied
luminous focus
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
Amedee Marchal
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 FR535360A publication Critical patent/FR535360A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/125—Coloured light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR535360D 1921-05-11 1921-05-11 Device for avoiding the dazzling of any luminous focus specially applied to motor vehicles Expired FR535360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR535360T 1921-05-11

Publications (1)

Publication Number Publication Date
FR535360A true FR535360A (en) 1922-04-13

Family

ID=8926124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535360D Expired FR535360A (en) 1921-05-11 1921-05-11 Device for avoiding the dazzling of any luminous focus specially applied to motor vehicles

Country Status (1)

Country Link
FR (1) FR535360A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904672A (en) * 1956-04-10 1959-09-15 Albert C Migeot Fog light convertor for headlights

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904672A (en) * 1956-04-10 1959-09-15 Albert C Migeot Fog light convertor for headlights

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