FR2184838A1 - - Google Patents

Info

Publication number
FR2184838A1
FR2184838A1 FR7317469A FR7317469A FR2184838A1 FR 2184838 A1 FR2184838 A1 FR 2184838A1 FR 7317469 A FR7317469 A FR 7317469A FR 7317469 A FR7317469 A FR 7317469A FR 2184838 A1 FR2184838 A1 FR 2184838A1
Authority
FR
France
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.)
Granted
Application number
FR7317469A
Other languages
French (fr)
Other versions
FR2184838B1 (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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2184838A1 publication Critical patent/FR2184838A1/fr
Application granted granted Critical
Publication of FR2184838B1 publication Critical patent/FR2184838B1/fr
Expired legal-status Critical Current

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
FR7317469A 1972-05-17 1973-05-15 Expired FR2184838B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7206616A NL168085C (en) 1972-05-17 1972-05-17 ELECTRIC TUNGSTEN BOMB CYCLE LIGHT BULB.

Publications (2)

Publication Number Publication Date
FR2184838A1 true FR2184838A1 (en) 1973-12-28
FR2184838B1 FR2184838B1 (en) 1978-03-10

Family

ID=19816057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7317469A Expired FR2184838B1 (en) 1972-05-17 1973-05-15

Country Status (9)

Country Link
US (1) US3829731A (en)
JP (1) JPS571862B2 (en)
BE (1) BE799565A (en)
CA (1) CA983085A (en)
DE (1) DE2321358A1 (en)
FR (1) FR2184838B1 (en)
GB (1) GB1409957A (en)
IT (1) IT987420B (en)
NL (1) NL168085C (en)

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
US4213662A (en) * 1976-05-10 1980-07-22 U.S. Philips Corporation Tungsten/bromine cycle lamp
NL7604953A (en) * 1976-05-10 1977-11-14 Philips Nv TUNGSTEN / BROME CYCLE LAMP.
NL7707079A (en) * 1977-06-27 1978-12-29 Philips Nv ELECTRIC LAMP.
NL7812244A (en) * 1978-12-18 1980-06-20 Philips Nv HALOGEN LIGHT.
NL184397C (en) * 1979-06-29 1989-07-03 Philips Nv HALOGEN LIGHT.
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 (en) * 1999-07-28 2003-03-17 松下電器産業株式会社 light bulb

Citations (1)

* 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6700099A (en) * 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

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
FR2184838B1 (en) 1978-03-10
GB1409957A (en) 1975-10-15
NL7206616A (en) 1973-11-20
NL168085B (en) 1981-09-16
NL168085C (en) 1982-02-16
IT987420B (en) 1975-02-20
DE2321358C2 (en) 1987-03-05
JPS4949483A (en) 1974-05-14
JPS571862B2 (en) 1982-01-13
BE799565A (en) 1973-11-16
US3829731A (en) 1974-08-13
DE2321358A1 (en) 1973-11-29
CA983085A (en) 1976-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse