GB493520A - Improvements relating to electric discharge tubes - Google Patents

Improvements relating to electric discharge tubes

Info

Publication number
GB493520A
GB493520A GB10187/37A GB1018737A GB493520A GB 493520 A GB493520 A GB 493520A GB 10187/37 A GB10187/37 A GB 10187/37A GB 1018737 A GB1018737 A GB 1018737A GB 493520 A GB493520 A GB 493520A
Authority
GB
United Kingdom
Prior art keywords
discharge
tube
embedded
electric discharge
improvements relating
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
GB10187/37A
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.)
Quarzlampen GmbH
Original Assignee
Quarzlampen GmbH
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 Quarzlampen GmbH filed Critical Quarzlampen GmbH
Publication of GB493520A publication Critical patent/GB493520A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/52Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523Heating or cooling particular parts of the lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB10187/37A 1936-04-09 1937-04-09 Improvements relating to electric discharge tubes Expired GB493520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE493520X 1936-04-09

Publications (1)

Publication Number Publication Date
GB493520A true GB493520A (en) 1938-10-10

Family

ID=6544573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10187/37A Expired GB493520A (en) 1936-04-09 1937-04-09 Improvements relating to electric discharge tubes

Country Status (3)

Country Link
FR (1) FR819968A (enrdf_load_stackoverflow)
GB (1) GB493520A (enrdf_load_stackoverflow)
NL (1) NL49847C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL49847C (enrdf_load_stackoverflow)
FR819968A (fr) 1937-10-29

Similar Documents

Publication Publication Date Title
GB485476A (en) Improvements in and relating to electric incandescent lamps
GB493520A (en) Improvements relating to electric discharge tubes
GB428996A (en) Improvements in luminous electric discharge tubes
GB381703A (en) Improvements in or relating to electric luminous discharge tubes
US2020726A (en) Gaseous electric discharge device
GB393849A (en) Improvements in luminous electric discharge tubes
GB429886A (en) Improvements in and relating to electric lamps
GB439593A (en) Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb
GB498827A (en) Improvements relating to electric incandescent lamps
GB473257A (en) Improvements in or relating to dwarf electric incandescent lamps
GB481063A (en) Gas-filled electric incandescent lamp
GB482070A (en) Electric discharge lamp
GB428414A (en) Improvements in and relating to electric incandescent lamps
GB465066A (en) Improvements relating to gas-filled electric lamps
GB472753A (en) Improvements in or relating to caps for electric incandescent lamps or the like
ES136009A1 (es) Un tubo de descarga eléctrica con cátodo incandescente y relleno gaseoso.
ES134640A1 (es) Mejoras en la fabricación de lámparas eléctricas de incandescencia, llenas de gas o de atmósfera enrarecida.
FR825142A (fr) Tubes à décharges électriques ou lampes à incandescence
DK57633C (da) Skruelinieformet Volframglødelegeme til lufttomme elektriske Glødelamper.
GB676617A (en) Electric discharge lamp
GB476433A (en) Improvements in and relating to electric discharge lamps
GB275735A (en) Improvements in electric incandescent lamps
GR3340B (el) Ηλεκτρικη λυχνια πεπληρωμενη δι' αεριου.
ES138844A1 (es) Mejoras en las fabricación de lámparas eléctricas incandescentes llenas de gas, con filamento de doble espiral.
FR792357A (fr) Montage de tube à décharges électriques destiné, par exemple, à l'émission de lumière