DE1170540B - Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern - Google Patents

Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern

Info

Publication number
DE1170540B
DE1170540B DEM51258A DEM0051258A DE1170540B DE 1170540 B DE1170540 B DE 1170540B DE M51258 A DEM51258 A DE M51258A DE M0051258 A DEM0051258 A DE M0051258A DE 1170540 B DE1170540 B DE 1170540B
Authority
DE
Germany
Prior art keywords
focal point
glare
light
filament
trough
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.)
Pending
Application number
DEM51258A
Other languages
German (de)
English (en)
Inventor
Rolf Mickley
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
Priority to NL284072D priority Critical patent/NL284072A/xx
Application filed by Individual filed Critical Individual
Priority to DEM51258A priority patent/DE1170540B/de
Priority to GB37585/62A priority patent/GB981207A/en
Priority to SE10790/62A priority patent/SE301914B/xx
Priority to US228928A priority patent/US3200281A/en
Publication of DE1170540B publication Critical patent/DE1170540B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • 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
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/332—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with continuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DEM51258A 1961-10-09 1961-10-09 Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern Pending DE1170540B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL284072D NL284072A (enrdf_load_stackoverflow) 1961-10-09
DEM51258A DE1170540B (de) 1961-10-09 1961-10-09 Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern
GB37585/62A GB981207A (en) 1961-10-09 1962-10-04 Electric lamps having a parabolic reflector and an incandescent filament for long-distance and short-distance lighting
SE10790/62A SE301914B (enrdf_load_stackoverflow) 1961-10-09 1962-10-08
US228928A US3200281A (en) 1961-10-09 1962-10-08 Two-filament incandescent lamp for non-dazzling high and low beams in automobile headlights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM51258A DE1170540B (de) 1961-10-09 1961-10-09 Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern

Publications (1)

Publication Number Publication Date
DE1170540B true DE1170540B (de) 1964-05-21

Family

ID=7307068

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM51258A Pending DE1170540B (de) 1961-10-09 1961-10-09 Zweifadengluehlampe fuer abgeblendetes Fern- und Nahlicht in Kraftfahrzeugscheinwerfern

Country Status (5)

Country Link
US (1) US3200281A (enrdf_load_stackoverflow)
DE (1) DE1170540B (enrdf_load_stackoverflow)
GB (1) GB981207A (enrdf_load_stackoverflow)
NL (1) NL284072A (enrdf_load_stackoverflow)
SE (1) SE301914B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7014336A (enrdf_load_stackoverflow) * 1970-09-30 1972-04-05

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1280626A (en) * 1916-01-17 1918-10-08 Adelbert Ames Jr Reflector.
FR732284A (fr) * 1931-05-04 1932-09-15 Lampes Sa Lampe électrique pour éclairage sans éblouissement, dite
US1963672A (en) * 1931-06-05 1934-06-19 Bertrand A Parkes Circular drying, stretching, and finishing machine
FR743401A (enrdf_load_stackoverflow) * 1932-07-28 1933-03-30
US2245793A (en) * 1937-09-30 1941-06-17 Westinghouse Electric & Mfg Co Multiple filament lamp
US2501140A (en) * 1947-10-17 1950-03-21 Pique Baudilio Jesus Electric-light projecting reflector

Also Published As

Publication number Publication date
SE301914B (enrdf_load_stackoverflow) 1968-06-24
NL284072A (enrdf_load_stackoverflow)
US3200281A (en) 1965-08-10
GB981207A (en) 1965-01-20

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