GB338478A - Improvements in luminous electric discharge tubes - Google Patents

Improvements in luminous electric discharge tubes

Info

Publication number
GB338478A
GB338478A GB1178530A GB1178530A GB338478A GB 338478 A GB338478 A GB 338478A GB 1178530 A GB1178530 A GB 1178530A GB 1178530 A GB1178530 A GB 1178530A GB 338478 A GB338478 A GB 338478A
Authority
GB
United Kingdom
Prior art keywords
parts
secured
flared ends
electric discharge
discharge tubes
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
GB1178530A
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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
Priority claimed from DEP58175D external-priority patent/DE507502C/de
Priority claimed from DEP58429D external-priority patent/DE510595C/de
Application filed by General Electric Company PLC filed Critical General Electric Company PLC
Publication of GB338478A publication Critical patent/GB338478A/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
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0048—Tubes with a main cathode
    • H01J2893/0056—Parts inside tubes brought to incandescence by the discharge

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1178530A 1928-07-14 1930-04-14 Improvements in luminous electric discharge tubes Expired GB338478A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP58175D DE507502C (de) 1928-07-14 1928-07-14 Elektrische Entladungslampe mit Gas- oder Dampffuellung, bei der die Gas- oder Dampfentladung in einem im Innern des Lampengefaesses angeordneten Hohlkoerper gefuehrt ist
DEP58429D DE510595C (de) 1928-07-14 1928-08-21 Elektrische Entladungslampe mit Gas- oder Dampffuellung
DEP60082D DE510596C (de) 1928-07-14 1929-04-16 Elektrische Entladungslampe mit Gas- oder Dampffuellung
DEP60396D DE510594C (de) 1928-07-14 1929-05-27 Elektrische Entladungslampe mit Gas- oder Dampffuellung, bei der die Gas- oder Dampf-entladung in einem im Innern des Lampengefaesses angeordneten stromleitenden und durcbrochenen Hohlkoerper gefuehrt ist

Publications (1)

Publication Number Publication Date
GB338478A true GB338478A (en) 1930-11-20

Family

ID=27437337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1178530A Expired GB338478A (en) 1928-07-14 1930-04-14 Improvements in luminous electric discharge tubes

Country Status (5)

Country Link
CH (1) CH140859A (enrdf_load_stackoverflow)
DE (1) DE510596C (enrdf_load_stackoverflow)
FR (1) FR678025A (enrdf_load_stackoverflow)
GB (1) GB338478A (enrdf_load_stackoverflow)
NL (1) NL28039C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046772B (de) * 1953-04-22 1958-12-18 Patra Patent Treuhand Roehrenfoermige elektrische Lampe zum Betrieb in explosionsgefaehrdeten Raeumen
NL7701910A (nl) * 1977-02-23 1978-08-25 Philips Nv Lagedrukgasontladingslamp.
DE19730888A1 (de) * 1997-07-18 1999-01-28 Bosch Gmbh Robert Gasentladungslampe mit niedriger Zündspannung

Also Published As

Publication number Publication date
DE510596C (de) 1930-10-28
CH140859A (de) 1930-06-30
NL28039C (enrdf_load_stackoverflow) 1932-10-15
FR678025A (fr) 1930-03-18

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