IT1007365B - Lampada normale ad incandescenza - Google Patents

Lampada normale ad incandescenza

Info

Publication number
IT1007365B
IT1007365B IT20470/74A IT2047074A IT1007365B IT 1007365 B IT1007365 B IT 1007365B IT 20470/74 A IT20470/74 A IT 20470/74A IT 2047074 A IT2047074 A IT 2047074A IT 1007365 B IT1007365 B IT 1007365B
Authority
IT
Italy
Prior art keywords
incandescent lamp
normal incandescent
normal
lamp
incandescent
Prior art date
Application number
IT20470/74A
Other languages
English (en)
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1007365B publication Critical patent/IT1007365B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
IT20470/74A 1973-02-14 1974-02-11 Lampada normale ad incandescenza IT1007365B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7302046A NL7302046A (enExample) 1973-02-14 1973-02-14

Publications (1)

Publication Number Publication Date
IT1007365B true IT1007365B (it) 1976-10-30

Family

ID=19818218

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20470/74A IT1007365B (it) 1973-02-14 1974-02-11 Lampada normale ad incandescenza

Country Status (8)

Country Link
US (1) US3942063A (enExample)
JP (1) JPS5317830B2 (enExample)
BE (1) BE810920A (enExample)
CA (1) CA1013415A (enExample)
FR (1) FR2217801B3 (enExample)
GB (1) GB1397232A (enExample)
IT (1) IT1007365B (enExample)
NL (1) NL7302046A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686412A (en) * 1986-04-14 1987-08-11 Gte Products Corporation Reflector-type lamp having reduced focus loss
US4683397A (en) * 1986-04-14 1987-07-28 Gte Products Corporation Compact incandescent coiled coil filament
GB9807842D0 (en) 1998-04-09 1998-06-10 Gen Electric Lamp filament
US6690103B1 (en) 1999-07-21 2004-02-10 Alan K. Uke Incandescent light bulb with variable pitch coiled filament
US6856078B2 (en) * 2001-06-27 2005-02-15 Asm America, Inc. Lamp filament design
GB2428877A (en) * 2005-07-25 2007-02-07 Gen Electric Gap-Wound Filament Array and Lamps Using the Same
US7541726B2 (en) * 2006-05-17 2009-06-02 Osram Sylvania Inc. Lamp filament
US7851981B2 (en) 2006-12-22 2010-12-14 Seasonal Specialties, Llc Visible perception of brightness in miniature bulbs for an ornamental lighting circuit
US8581492B2 (en) * 2010-10-20 2013-11-12 General Electric Company Electric incandescent lamp for vehicle headlights with new filament geometry

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998958A (en) * 1930-04-07 1935-04-23 Gen Electric Connection for filament and lead wires
US2084999A (en) * 1935-10-17 1937-06-29 Birdseye Electric Corp Electric lamp
US2424518A (en) * 1944-12-04 1947-07-22 Gen Electric Coil electrode
US2479193A (en) * 1946-07-08 1949-08-16 Gen Electric Articulated cathode

Also Published As

Publication number Publication date
FR2217801A1 (enExample) 1974-09-06
CA1013415A (en) 1977-07-05
NL7302046A (enExample) 1974-08-16
BE810920A (fr) 1974-08-12
JPS49112474A (enExample) 1974-10-26
DE2403475A1 (de) 1974-08-22
JPS5317830B2 (enExample) 1978-06-10
US3942063A (en) 1976-03-02
FR2217801B3 (enExample) 1976-11-26
GB1397232A (en) 1975-06-11
DE2403475B2 (de) 1977-01-20

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