GB741055A - Improvements in and relating to the elimination of dazzle by headlights of road vehicles - Google Patents

Improvements in and relating to the elimination of dazzle by headlights of road vehicles

Info

Publication number
GB741055A
GB741055A GB25428/52A GB2542852A GB741055A GB 741055 A GB741055 A GB 741055A GB 25428/52 A GB25428/52 A GB 25428/52A GB 2542852 A GB2542852 A GB 2542852A GB 741055 A GB741055 A GB 741055A
Authority
GB
United Kingdom
Prior art keywords
lamp
reflector
filament
lamp bulb
bulb
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
GB25428/52A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB741055A publication Critical patent/GB741055A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/30—Envelopes; Vessels incorporating lenses
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB25428/52A 1951-10-12 1952-10-10 Improvements in and relating to the elimination of dazzle by headlights of road vehicles Expired GB741055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1065413T 1951-10-12

Publications (1)

Publication Number Publication Date
GB741055A true GB741055A (en) 1955-11-23

Family

ID=9602249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25428/52A Expired GB741055A (en) 1951-10-12 1952-10-10 Improvements in and relating to the elimination of dazzle by headlights of road vehicles

Country Status (5)

Country Link
BE (1) BE520238A (en:Method)
CH (1) CH317285A (en:Method)
DE (1) DE1075067B (en:Method)
FR (2) FR1065413A (en:Method)
GB (1) GB741055A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962450A (en) * 1987-01-19 1990-10-09 Reshetin Evgeny F Light signalling device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE298841C (en:Method) *
DE505873C (de) * 1930-08-28 Egarsol Glareless Reflector Co Nicht blendender Hohlspiegelreflektor mit einem diffus reflektierenden Reflektor
DE299171C (en:Method) *
DE478325C (de) * 1929-06-25 Max Toepfer Scheinwerfer
DE461301C (de) * 1925-10-29 1928-06-16 Stanislas Julian Ostrorog Abblendeinrichtung fuer Scheinwerfer, insbesondere fuer Kraftfahrzeuge
DE483280C (de) * 1928-11-01 1929-09-27 Paul Giese Abblendevorrichtung fuer Scheinwerfer
FR685615A (fr) * 1929-11-26 1930-07-12 Dispositif <<code>>, amovible, pour réflecteurs de projecteurs d'automobiles
US1990666A (en) * 1931-04-20 1935-02-12 Charles E A O'loughlin Headlight dimmer
FR766557A (fr) * 1933-03-29 1934-06-30 Lampe pour projecteurs d'automobiles
FR788414A (fr) * 1934-07-13 1935-10-10 Perfectionnements aux dispositifs anti-éblouissants pour véhicules automobiles
CH233034A (de) * 1938-12-23 1944-06-30 Blendex Ag Vorrichtung zur Abblendung und Lichtverteilung einer im Reflektor eines Scheinwerfers angeordneten Glühlampe, insbesondere für Kraftfahrzeuge.
FR1002854A (fr) * 1949-12-19 1952-03-11 Perfectionnement aux phares destinés à des véhicules roulants
AT171620B (de) * 1950-05-26 1952-06-25 Axel Assmundson Scheinwerfer, insbesondere für die Seitenbeleuchtung von Kraftwagen

Also Published As

Publication number Publication date
DE1075067B (de) 1960-02-11
FR1065413A (fr) 1954-05-25
CH317285A (fr) 1956-11-15
FR63040E (fr) 1955-07-13
BE520238A (en:Method)

Similar Documents

Publication Publication Date Title
US1923181A (en) Vehicle headlight
US3617795A (en) Automotive headlight system
US8203257B2 (en) Vehicle headlamp that produces a lower intensity light beam above the light/dark cutoff line
GB1196109A (en) Automobile Headlight
GB741055A (en) Improvements in and relating to the elimination of dazzle by headlights of road vehicles
US1594635A (en) Electric-light bulb
US2273951A (en) Combined fog and driving light
GB1600181A (en) Headlamp in particular for motor vehicles
GB521268A (en) Improvements in or relating to headlamps for automobiles and similar vehicles
FR2362336A1 (fr) Phare pour vehicules automobiles
US1622764A (en) Glareless lamp
GB894928A (en) An antidazzle illumination arrangement for motor vehicles
CN105222078A (zh) 一种汽车前照灯投射单元的遮光板结构
GB689406A (en) Improvements in or relating to lighting installations for motor road vehicles
CN205118937U (zh) 一种汽车前照灯投射单元的遮光板结构
GB772624A (en) Improvements in or relating to vehicle headlamps
GB546608A (en) Improvements in and relating to vehicle headlamps
GB895825A (en) Improvements relating to lamps for vehicles
GB1193983A (en) Improvements in or relating to Headlamp Units for Motor Vehicles
GB149978A (en) Improvements in and relating to head-lights and electric bulbs therefor
GB919749A (en) Improvements in headlamps for vehicles
GB1281788A (en) Improvements in or relating to headlamps
GB514878A (en) Improvements in or relating to the electrical illumination of vehicles
GB372026A (en) Improved reflectors
FR2330956A1 (fr) Phare a faisceau modifiable pour vehicules automobiles