CA946456A - Electric filament lamp - Google Patents

Electric filament lamp

Info

Publication number
CA946456A
CA946456A CA150,754A CA150754A CA946456A CA 946456 A CA946456 A CA 946456A CA 150754 A CA150754 A CA 150754A CA 946456 A CA946456 A CA 946456A
Authority
CA
Canada
Prior art keywords
filament lamp
electric filament
electric
lamp
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.)
Expired
Application number
CA150,754A
Other versions
CA150754S (en
Inventor
Leffert Schuringa
Herman A. J. Roefs
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA946456A publication Critical patent/CA946456A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
CA150,754A 1971-09-09 1972-09-01 Electric filament lamp Expired CA946456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7112394A NL7112394A (en) 1971-09-09 1971-09-09

Publications (1)

Publication Number Publication Date
CA946456A true CA946456A (en) 1974-04-30

Family

ID=19813986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,754A Expired CA946456A (en) 1971-09-09 1972-09-01 Electric filament lamp

Country Status (9)

Country Link
US (1) US3824421A (en)
JP (1) JPS4836985A (en)
BE (1) BE788518A (en)
CA (1) CA946456A (en)
DE (1) DE2243717C3 (en)
FR (1) FR2152218A1 (en)
GB (1) GB1348949A (en)
IT (1) IT967198B (en)
NL (1) NL7112394A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058749A (en) * 1976-04-05 1977-11-15 Wagner Electric Corporation Filament shield for sealed headlamp and mounting method therefor
JPH0680655B2 (en) * 1987-03-16 1994-10-12 沖電気工業株式会社 Insulation film formation method
JPH088265B2 (en) * 1988-09-13 1996-01-29 株式会社東芝 Compound semiconductor device and manufacturing method thereof
DE19544012A1 (en) * 1995-11-27 1997-05-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric light bulb with anti-dazzle device and method for producing such a lamp and anti-dazzle device for an electric light bulb
EP0812004B1 (en) * 1996-06-04 2003-07-09 Honda Giken Kogyo Kabushiki Kaisha Automobile lamp bulb
DE19707245A1 (en) * 1997-02-25 1998-08-27 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method of making an electric light bulb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US974891A (en) * 1909-03-11 1910-11-08 Universal Electric Welding Co Method of making metallic fabric.
US2745045A (en) * 1952-07-19 1956-05-08 Sylvania Electric Prod Semiconductor devices and methods of fabrication
NL185528B (en) * 1954-03-02 Gould Inc PROCEDURE FOR ELECTROLYTIC FORMING OF A THIN COPPER FOIL ON A TEMPORARY SUPPORT AND COPPER CLADDING POOL SUITABLE FOR USE WITHIN THIS.
US2795722A (en) * 1954-12-29 1957-06-11 Gen Electric Electric incandescent lamp
BE625922A (en) * 1961-12-13

Also Published As

Publication number Publication date
DE2243717A1 (en) 1973-03-15
FR2152218A1 (en) 1973-04-20
BE788518A (en) 1973-03-07
IT967198B (en) 1974-02-28
JPS4836985A (en) 1973-05-31
GB1348949A (en) 1974-03-27
DE2243717B2 (en) 1977-09-08
NL7112394A (en) 1973-03-13
US3824421A (en) 1974-07-16
DE2243717C3 (en) 1978-05-18

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