GB272549A - A process for the production of electronic discharge tubes, and tubes produced by such process - Google Patents

A process for the production of electronic discharge tubes, and tubes produced by such process

Info

Publication number
GB272549A
GB272549A GB15664/27A GB1566427A GB272549A GB 272549 A GB272549 A GB 272549A GB 15664/27 A GB15664/27 A GB 15664/27A GB 1566427 A GB1566427 A GB 1566427A GB 272549 A GB272549 A GB 272549A
Authority
GB
United Kingdom
Prior art keywords
tubes
dioxide
filament
production
electronic discharge
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
GB15664/27A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB272549A publication Critical patent/GB272549A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Solid Thermionic Cathode (AREA)
GB15664/27A 1926-06-14 1927-06-13 A process for the production of electronic discharge tubes, and tubes produced by such process Expired GB272549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE272549X 1926-06-14

Publications (1)

Publication Number Publication Date
GB272549A true GB272549A (en) 1927-12-08

Family

ID=3866922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15664/27A Expired GB272549A (en) 1926-06-14 1927-06-13 A process for the production of electronic discharge tubes, and tubes produced by such process

Country Status (4)

Country Link
BE (1) BE335031A (enrdf_load_stackoverflow)
DE (1) DE540760C (enrdf_load_stackoverflow)
FR (1) FR635925A (enrdf_load_stackoverflow)
GB (1) GB272549A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441438A (en) * 1964-07-03 1969-04-29 Int Standard Electric Corp Method to form hot cathodes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1014729A (fr) * 1950-03-16 1952-08-20 Acec Perfectionnements à la fabrication des électrodes pour tubes à décharges électriques
BE526330A (enrdf_load_stackoverflow) * 1953-02-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441438A (en) * 1964-07-03 1969-04-29 Int Standard Electric Corp Method to form hot cathodes

Also Published As

Publication number Publication date
DE540760C (de) 1931-12-28
BE335031A (enrdf_load_stackoverflow)
FR635925A (fr) 1928-03-28

Similar Documents

Publication Publication Date Title
GB272549A (en) A process for the production of electronic discharge tubes, and tubes produced by such process
FR36670E (fr) Procédé et machine pour la fabrication de lampes à incandescence, tubes à électrodes et récipients en verre analogues
FR602834A (fr) Procédé et machine pour la fabrication de lampes à incandescence, tubes à électrodes et récipients en verre analogues
US1813320A (en) Gaseous conduction lamp electrode
US1883840A (en) Manufacturing oxide cathodes
CH224493A (de) Verfahren zur Herstellung einer indirekt geheizten Kathode für elektrische Entladungsröhren und nach diesem Verfahren hergestellte Kathode.
GB739550A (en) Improvements in or relating to a method of manufacturing cathode ray tubes
GB439243A (en) An improved method of evacuating vessels, more particularly lamp bulbs
GB210654A (en) Process of coating particularly applicable to the coating of filamentary material, such as the filaments of vacuum tubes
AU1364523A (en) Process of producing drawn wire capable of high electron emissivity
SU58119A1 (ru) Способ получени спектрального состава излучений ртутных и газосветных ламп
CA250522A (en) Process for the manufacture of tipless incandescent lamps
ES168664A1 (es) PROCEDIMIENTO DE FABRICACIoN DE UN ELECTRODO INCANDESCENTE PARA TUBOS ELÉCTRICOS POR DESCARGA A TRAVÉS DE UN GAS
GB522106A (en) Improvements in high-pressure metal-vapour electric discharge lamps
CA235417A (en) Method of making tipless incandescent lamps
AU112938A (en) Process for the production of high filling gas pressures incandescent lamps and discharge lamps
CA270595A (en) Process of producing carbon from natural gas
GB476385A (en) Process for the production of oxide cathodes by spraying
CA235615A (en) Manufacture of tipless incandescent lamps
GB424787A (en) Improvements in and relating to a process for manufacture of electric discharge devices
GB208491A (en) Improved glass blowing mould
GB632632A (en) Improvements relating to the manufacture of titanium plated metal bodies
CA228096A (en) Manufacture of tubes of cement asbestos
GB274175A (en) Process for the manufacture of n-monoalkyl-p-aminophenol
GB246336A (en) Improvements relating to thermionic tubes