GB2035681A - A coated light bulb for a headlamp - Google Patents

A coated light bulb for a headlamp Download PDF

Info

Publication number
GB2035681A
GB2035681A GB7939115A GB7939115A GB2035681A GB 2035681 A GB2035681 A GB 2035681A GB 7939115 A GB7939115 A GB 7939115A GB 7939115 A GB7939115 A GB 7939115A GB 2035681 A GB2035681 A GB 2035681A
Authority
GB
United Kingdom
Prior art keywords
capsule
coating
low beam
beam filament
filament
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.)
Withdrawn
Application number
GB7939115A
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of GB2035681A publication Critical patent/GB2035681A/en
Withdrawn legal-status Critical Current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)
GB7939115A 1978-11-13 1979-11-12 A coated light bulb for a headlamp Withdrawn GB2035681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96037578A 1978-11-13 1978-11-13

Publications (1)

Publication Number Publication Date
GB2035681A true GB2035681A (en) 1980-06-18

Family

ID=25503091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7939115A Withdrawn GB2035681A (en) 1978-11-13 1979-11-12 A coated light bulb for a headlamp

Country Status (6)

Country Link
BE (1) BE879923A (enrdf_load_html_response)
DE (1) DE2945242A1 (enrdf_load_html_response)
FR (1) FR2441795A1 (enrdf_load_html_response)
GB (1) GB2035681A (enrdf_load_html_response)
IT (1) IT1124940B (enrdf_load_html_response)
NL (1) NL7908253A (enrdf_load_html_response)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153741A (en) * 1960-07-08 1964-10-20 Gen Motors Corp Vehicle headlamp filament shield
US3784861A (en) * 1971-02-25 1974-01-08 Philips Corp Lamp with opaque screen
DE2321709C3 (de) * 1973-04-28 1975-10-16 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrische Strahlerlampe, insbesondere für den Einsatz als Fahrzeugscheinwerfer, und Verfahren zu ihrer Herstellung
IT1026581B (it) * 1974-11-27 1978-10-20 Philips Spa Ricevitore per sistema di trasmissione di segnali ad impulsi binari comprendente un circuito per la correzione automatica dei disturbi nellivello di corrente continua

Also Published As

Publication number Publication date
IT1124940B (it) 1986-05-14
NL7908253A (nl) 1980-05-16
FR2441795A1 (fr) 1980-06-13
BE879923A (fr) 1980-03-03
IT7927154A0 (it) 1979-11-09
DE2945242A1 (de) 1980-05-22
FR2441795B3 (enrdf_load_html_response) 1981-08-21
DE2945242C2 (enrdf_load_html_response) 1989-01-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)