IT987420B - Lampada ad incandescenza con filamento di tungsteno e gas di riempimento - Google Patents

Lampada ad incandescenza con filamento di tungsteno e gas di riempimento

Info

Publication number
IT987420B
IT987420B IT24061/73A IT2406173A IT987420B IT 987420 B IT987420 B IT 987420B IT 24061/73 A IT24061/73 A IT 24061/73A IT 2406173 A IT2406173 A IT 2406173A IT 987420 B IT987420 B IT 987420B
Authority
IT
Italy
Prior art keywords
incandescent lamp
tungsten filament
filling gas
filling
gas
Prior art date
Application number
IT24061/73A
Other languages
English (en)
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 IT987420B publication Critical patent/IT987420B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
IT24061/73A 1972-05-17 1973-05-14 Lampada ad incandescenza con filamento di tungsteno e gas di riempimento IT987420B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7206616A NL168085C (nl) 1972-05-17 1972-05-17 Elektrische wolfraam-broom-cyclus-gloeilamp.

Publications (1)

Publication Number Publication Date
IT987420B true IT987420B (it) 1975-02-20

Family

ID=19816057

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24061/73A IT987420B (it) 1972-05-17 1973-05-14 Lampada ad incandescenza con filamento di tungsteno e gas di riempimento

Country Status (9)

Country Link
US (1) US3829731A (it)
JP (1) JPS571862B2 (it)
BE (1) BE799565A (it)
CA (1) CA983085A (it)
DE (1) DE2321358C2 (it)
FR (1) FR2184838B1 (it)
GB (1) GB1409957A (it)
IT (1) IT987420B (it)
NL (1) NL168085C (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946262A (en) * 1974-11-22 1976-03-23 Gte Sylvania Incorporated High pressure electric discharge device with hafnium getter
NL7604953A (nl) * 1976-05-10 1977-11-14 Philips Nv Wolfraam/broom-cycluslamp.
US4213662A (en) * 1976-05-10 1980-07-22 U.S. Philips Corporation Tungsten/bromine cycle lamp
NL7707079A (nl) * 1977-06-27 1978-12-29 Philips Nv Elektrische lamp.
NL7812244A (nl) * 1978-12-18 1980-06-20 Philips Nv Halogeengloeilamp.
NL184397C (nl) * 1979-06-29 1989-07-03 Philips Nv Halogeengloeilamp.
US4296351A (en) * 1979-10-17 1981-10-20 Gte Products Corporation Tungsten halogen lamp having lead-in wire comprising tantalum alloy
US4305017A (en) * 1979-12-14 1981-12-08 U.S. Philips Corporation Halogen incandescent lamp
US4415833A (en) * 1981-09-29 1983-11-15 Gte Products Corporation Tungsten halogen lamp with coiled getter
US4449070A (en) * 1982-04-28 1984-05-15 Gte Products Corporation Tungsten-halogen lamp with variably positionable getter
US5148080A (en) * 1990-01-16 1992-09-15 Hilux Development Incandescent lamp filament incorporating hafnium
US5327042A (en) * 1992-07-02 1994-07-05 Osram Sylvania Inc. Metal halide lamp
JP3387477B2 (ja) * 1999-07-28 2003-03-17 松下電器産業株式会社 電 球

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511889A (en) * 1938-06-02 1939-08-25 Gen Electric Co Ltd Improvements in gas-filled electric incandescent lamps
NL6700099A (it) * 1967-01-04 1968-07-05
US3644773A (en) * 1970-04-24 1972-02-22 Thorn Lighting Ltd A hydrogen-halogen filament lamp with a hydrogen getter flag

Also Published As

Publication number Publication date
NL7206616A (it) 1973-11-20
DE2321358A1 (de) 1973-11-29
JPS4949483A (it) 1974-05-14
FR2184838A1 (it) 1973-12-28
JPS571862B2 (it) 1982-01-13
NL168085B (nl) 1981-09-16
NL168085C (nl) 1982-02-16
BE799565A (fr) 1973-11-16
GB1409957A (en) 1975-10-15
US3829731A (en) 1974-08-13
DE2321358C2 (de) 1987-03-05
CA983085A (en) 1976-02-03
FR2184838B1 (it) 1978-03-10

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