GB430975A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB430975A
GB430975A GB10723/35A GB1072335A GB430975A GB 430975 A GB430975 A GB 430975A GB 10723/35 A GB10723/35 A GB 10723/35A GB 1072335 A GB1072335 A GB 1072335A GB 430975 A GB430975 A GB 430975A
Authority
GB
United Kingdom
Prior art keywords
electrodes
discharge
electrode
helices
turn
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
GB10723/35A
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.)
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 GB430975A publication Critical patent/GB430975A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Discharge Lamp (AREA)
GB10723/35A 1934-06-04 1935-04-06 Improvements in or relating to electric discharge tubes Expired GB430975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE430975X 1934-06-04

Publications (1)

Publication Number Publication Date
GB430975A true GB430975A (en) 1935-06-27

Family

ID=6483859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10723/35A Expired GB430975A (en) 1934-06-04 1935-04-06 Improvements in or relating to electric discharge tubes

Country Status (4)

Country Link
US (1) US2087748A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR790768A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB430975A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL41671C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974049C (de) * 1940-12-24 1960-08-25 Patra Patent Treuhand Elektrische Metalldampf-Hochdruckentladungslampe
US3290538A (en) * 1961-05-23 1966-12-06 Westinghouse Electric Corp Low-pressure electric discharge lamp with internal elongated structure that modifiesthe diffusion length of the discharge and improves the lamp performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974049C (de) * 1940-12-24 1960-08-25 Patra Patent Treuhand Elektrische Metalldampf-Hochdruckentladungslampe
US3290538A (en) * 1961-05-23 1966-12-06 Westinghouse Electric Corp Low-pressure electric discharge lamp with internal elongated structure that modifiesthe diffusion length of the discharge and improves the lamp performance

Also Published As

Publication number Publication date
US2087748A (en) 1937-07-20
FR790768A (fr) 1935-11-27
NL41671C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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