GB534575A - Improvements in or relating to indirectly heated cathode structures for electron discharge devices - Google Patents

Improvements in or relating to indirectly heated cathode structures for electron discharge devices

Info

Publication number
GB534575A
GB534575A GB2542639A GB2542639A GB534575A GB 534575 A GB534575 A GB 534575A GB 2542639 A GB2542639 A GB 2542639A GB 2542639 A GB2542639 A GB 2542639A GB 534575 A GB534575 A GB 534575A
Authority
GB
United Kingdom
Prior art keywords
indirectly heated
heated cathode
electron discharge
relating
cathode structures
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
GB2542639A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 to BE467619D priority Critical patent/BE467619A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2542639A priority patent/GB534575A/en
Publication of GB534575A publication Critical patent/GB534575A/en
Priority to FR943721D priority patent/FR943721A/fr
Priority to ES176816A priority patent/ES176816A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters

Landscapes

  • Solid Thermionic Cathode (AREA)
GB2542639A 1939-09-08 1939-09-08 Improvements in or relating to indirectly heated cathode structures for electron discharge devices Expired GB534575A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE467619D BE467619A (enrdf_load_stackoverflow) 1939-09-08
GB2542639A GB534575A (en) 1939-09-08 1939-09-08 Improvements in or relating to indirectly heated cathode structures for electron discharge devices
FR943721D FR943721A (fr) 1939-09-08 1946-12-27 Cathodes à chauffage indirect pour tubes électroniques
ES176816A ES176816A1 (es) 1939-09-08 1947-02-15 Mejoras en o relativas de estructuras de cátodo de caldeo indiredcto para dispositivos de descarga electrónica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2542639A GB534575A (en) 1939-09-08 1939-09-08 Improvements in or relating to indirectly heated cathode structures for electron discharge devices

Publications (1)

Publication Number Publication Date
GB534575A true GB534575A (en) 1941-03-11

Family

ID=10227468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2542639A Expired GB534575A (en) 1939-09-08 1939-09-08 Improvements in or relating to indirectly heated cathode structures for electron discharge devices

Country Status (4)

Country Link
BE (1) BE467619A (enrdf_load_stackoverflow)
ES (1) ES176816A1 (enrdf_load_stackoverflow)
FR (1) FR943721A (enrdf_load_stackoverflow)
GB (1) GB534575A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658181A (en) * 1983-10-07 1987-04-14 English Electric Valve Company Limited Travelling wave tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658181A (en) * 1983-10-07 1987-04-14 English Electric Valve Company Limited Travelling wave tubes

Also Published As

Publication number Publication date
ES176816A1 (es) 1947-03-16
BE467619A (enrdf_load_stackoverflow)
FR943721A (fr) 1949-03-16

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