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GB483728A - Improvements in optical systems for motor-headlights and other light projectors - Google Patents

Improvements in optical systems for motor-headlights and other light projectors

Info

Publication number
GB483728A
GB483728A GB20120/36A GB2012036A GB483728A GB 483728 A GB483728 A GB 483728A GB 20120/36 A GB20120/36 A GB 20120/36A GB 2012036 A GB2012036 A GB 2012036A GB 483728 A GB483728 A GB 483728A
Authority
GB
United Kingdom
Prior art keywords
headlights
motor
optical systems
light projectors
july
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
GB20120/36A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENRI ALEXANDRE HIPPOLYTE JOSE
Original Assignee
HENRI ALEXANDRE HIPPOLYTE JOSE
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 by HENRI ALEXANDRE HIPPOLYTE JOSE filed Critical HENRI ALEXANDRE HIPPOLYTE JOSE
Publication of GB483728A publication Critical patent/GB483728A/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
    • F21V5/00—Refractors for light sources
    • 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
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F21S41/28—Cover glass
    • 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
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21S41/435—Hoods or cap-shaped
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
    • 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)
  • Discharge Lamp (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

483,728. Electric discharge lamps. SCHAFFNER, H. A. H. J. July 20, 1936, Nos. 20120, 20121, and 20122. Convention dates, July 19, 1935, Oct. 18, 1935, and June 30,1936. [Class 39 (i)] [Also in Group XI] The Specification as open to inspection under Sect. 91 comprises a sodium vapour electric discharge tube 33 enclosed in a partly silvered, elongated outer wall 32 of circular, hyperbolic, or elliptical form. This subject-matter does not appear in the Specification as accepted.
GB20120/36A 1935-07-19 1936-07-20 Improvements in optical systems for motor-headlights and other light projectors Expired GB483728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR483728X 1935-07-19

Publications (1)

Publication Number Publication Date
GB483728A true GB483728A (en) 1938-04-20

Family

ID=8903762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20120/36A Expired GB483728A (en) 1935-07-19 1936-07-20 Improvements in optical systems for motor-headlights and other light projectors

Country Status (1)

Country Link
GB (1) GB483728A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194346B (en) * 1960-10-27 1965-06-10 S Ind Mecaniques Et Automobile Translucent light bundle correction element for flashing lights and rear flashing lights on vehicles
DE1237684B (en) * 1958-04-18 1967-03-30 Albert Masseron Bulb for headlights

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237684B (en) * 1958-04-18 1967-03-30 Albert Masseron Bulb for headlights
DE1194346B (en) * 1960-10-27 1965-06-10 S Ind Mecaniques Et Automobile Translucent light bundle correction element for flashing lights and rear flashing lights on vehicles

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