GB335617A - Improvements in or relating to electric lamps - Google Patents

Improvements in or relating to electric lamps

Info

Publication number
GB335617A
GB335617A GB2004529A GB2004529A GB335617A GB 335617 A GB335617 A GB 335617A GB 2004529 A GB2004529 A GB 2004529A GB 2004529 A GB2004529 A GB 2004529A GB 335617 A GB335617 A GB 335617A
Authority
GB
United Kingdom
Prior art keywords
coloured
lamp
bulb
incandescent
axis
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
GB2004529A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 FR695152D priority Critical patent/FR695152A/fr
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB2004529A priority patent/GB335617A/en
Publication of GB335617A publication Critical patent/GB335617A/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

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB2004529A 1929-06-29 1929-06-29 Improvements in or relating to electric lamps Expired GB335617A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR695152D FR695152A (enrdf_load_stackoverflow) 1929-06-29
GB2004529A GB335617A (en) 1929-06-29 1929-06-29 Improvements in or relating to electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2004529A GB335617A (en) 1929-06-29 1929-06-29 Improvements in or relating to electric lamps

Publications (1)

Publication Number Publication Date
GB335617A true GB335617A (en) 1930-09-29

Family

ID=10139441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2004529A Expired GB335617A (en) 1929-06-29 1929-06-29 Improvements in or relating to electric lamps

Country Status (2)

Country Link
FR (1) FR695152A (enrdf_load_stackoverflow)
GB (1) GB335617A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200199A (en) * 1985-10-25 1988-07-27 Quintech Corp Vehicle headlamp with fog penetrating capability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200199A (en) * 1985-10-25 1988-07-27 Quintech Corp Vehicle headlamp with fog penetrating capability
GB2200199B (en) * 1985-10-25 1991-02-13 Quintech Corp Vehicle headlamp with fog penetrating capability

Also Published As

Publication number Publication date
FR695152A (enrdf_load_stackoverflow)

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