GB410277A - Improvements in electric incandescent lamps for vehicle headlights - Google Patents

Improvements in electric incandescent lamps for vehicle headlights

Info

Publication number
GB410277A
GB410277A GB303433A GB303433A GB410277A GB 410277 A GB410277 A GB 410277A GB 303433 A GB303433 A GB 303433A GB 303433 A GB303433 A GB 303433A GB 410277 A GB410277 A GB 410277A
Authority
GB
United Kingdom
Prior art keywords
bulb
filament
screen
electric incandescent
reflecting
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
GB303433A
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.)
CHARLES ROBERT SIROT
Original Assignee
CHARLES ROBERT SIROT
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 DES113138D priority Critical patent/DE627078C/de
Priority to BE401860D priority patent/BE401860A/xx
Application filed by CHARLES ROBERT SIROT filed Critical CHARLES ROBERT SIROT
Priority to GB303433A priority patent/GB410277A/en
Publication of GB410277A publication Critical patent/GB410277A/en
Expired 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
    • 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

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB303433A 1933-01-31 1933-01-31 Improvements in electric incandescent lamps for vehicle headlights Expired GB410277A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DES113138D DE627078C (de) 1933-01-31 Elektrische Scheinwerfer-Zweifadengluehlampe
BE401860D BE401860A (enrdf_load_stackoverflow) 1933-01-31
GB303433A GB410277A (en) 1933-01-31 1933-01-31 Improvements in electric incandescent lamps for vehicle headlights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB303433A GB410277A (en) 1933-01-31 1933-01-31 Improvements in electric incandescent lamps for vehicle headlights

Publications (1)

Publication Number Publication Date
GB410277A true GB410277A (en) 1934-05-17

Family

ID=9750704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB303433A Expired GB410277A (en) 1933-01-31 1933-01-31 Improvements in electric incandescent lamps for vehicle headlights

Country Status (2)

Country Link
BE (1) BE401860A (enrdf_load_stackoverflow)
GB (1) GB410277A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE401860A (enrdf_load_stackoverflow)

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