GB1371746A - Electric incandescent lamp having a tungsten-bromine cycle - Google Patents

Electric incandescent lamp having a tungsten-bromine cycle

Info

Publication number
GB1371746A
GB1371746A GB697673A GB697673A GB1371746A GB 1371746 A GB1371746 A GB 1371746A GB 697673 A GB697673 A GB 697673A GB 697673 A GB697673 A GB 697673A GB 1371746 A GB1371746 A GB 1371746A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamp
electric incandescent
tungsten
feb
envelope
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
GB697673A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1371746A publication Critical patent/GB1371746A/en
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
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter

Landscapes

  • Discharge Lamp (AREA)
GB697673A 1972-02-16 1973-02-13 Electric incandescent lamp having a tungsten-bromine cycle Expired GB1371746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7201996A NL7201996A (enrdf_load_stackoverflow) 1972-02-16 1972-02-16

Publications (1)

Publication Number Publication Date
GB1371746A true GB1371746A (en) 1974-10-23

Family

ID=19815373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB697673A Expired GB1371746A (en) 1972-02-16 1973-02-13 Electric incandescent lamp having a tungsten-bromine cycle

Country Status (8)

Country Link
JP (1) JPS4889588A (enrdf_load_stackoverflow)
BE (1) BE795436A (enrdf_load_stackoverflow)
CA (1) CA963073A (enrdf_load_stackoverflow)
DE (1) DE2303966A1 (enrdf_load_stackoverflow)
FR (1) FR2172352B1 (enrdf_load_stackoverflow)
GB (1) GB1371746A (enrdf_load_stackoverflow)
IT (1) IT979067B (enrdf_load_stackoverflow)
NL (1) NL7201996A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL285666A (enrdf_load_stackoverflow) * 1962-11-19

Also Published As

Publication number Publication date
BE795436A (fr) 1973-08-14
DE2303966A1 (de) 1973-08-23
JPS4889588A (enrdf_load_stackoverflow) 1973-11-22
IT979067B (it) 1974-09-30
NL7201996A (enrdf_load_stackoverflow) 1973-08-20
FR2172352A1 (enrdf_load_stackoverflow) 1973-09-28
FR2172352B1 (enrdf_load_stackoverflow) 1976-09-10
CA963073A (en) 1975-02-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee