GB891913A - Thermionic valve cathode - Google Patents

Thermionic valve cathode

Info

Publication number
GB891913A
GB891913A GB3015559A GB3015559A GB891913A GB 891913 A GB891913 A GB 891913A GB 3015559 A GB3015559 A GB 3015559A GB 3015559 A GB3015559 A GB 3015559A GB 891913 A GB891913 A GB 891913A
Authority
GB
United Kingdom
Prior art keywords
wire
mandrel
cathode
round
thermionic valve
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
GB3015559A
Other languages
English (en)
Inventor
Frederick William Rodba Farrow
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 NL255493D priority Critical patent/NL255493A/xx
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB3015559A priority patent/GB891913A/en
Priority to FR837703A priority patent/FR1266434A/fr
Publication of GB891913A publication Critical patent/GB891913A/en
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

  • Microwave Tubes (AREA)
  • Resistance Heating (AREA)
GB3015559A 1959-09-03 1959-09-03 Thermionic valve cathode Expired GB891913A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL255493D NL255493A (enrdf_load_stackoverflow) 1959-09-03
GB3015559A GB891913A (en) 1959-09-03 1959-09-03 Thermionic valve cathode
FR837703A FR1266434A (fr) 1959-09-03 1960-09-02 Cathode de tube thermoionique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3015559A GB891913A (en) 1959-09-03 1959-09-03 Thermionic valve cathode

Publications (1)

Publication Number Publication Date
GB891913A true GB891913A (en) 1962-03-21

Family

ID=10303184

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3015559A Expired GB891913A (en) 1959-09-03 1959-09-03 Thermionic valve cathode

Country Status (2)

Country Link
GB (1) GB891913A (enrdf_load_stackoverflow)
NL (1) NL255493A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143949A (en) * 1983-07-26 1985-02-20 Boc Group Plc Filament support
GB2171247A (en) * 1984-12-26 1986-08-20 Hitachi Ltd Heater for indirect-heated cathode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143949A (en) * 1983-07-26 1985-02-20 Boc Group Plc Filament support
GB2171247A (en) * 1984-12-26 1986-08-20 Hitachi Ltd Heater for indirect-heated cathode
US4745325A (en) * 1984-12-26 1988-05-17 Hitachi, Ltd. Heater for indirect-heated cathode

Also Published As

Publication number Publication date
NL255493A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
ES308556A1 (es) Un metodo de producir una bobina electrica.
GB936280A (en) Electric heating tube
GB1018099A (en) Improvements in electric incandescent lamps
ES423390A1 (es) Un tubo de rayos catodicos.
GB891913A (en) Thermionic valve cathode
US1972162A (en) Heater element electron emitting cathode
GB982206A (en) Thermionic cathodes
GB1242421A (en) Electrical machine cylindrical coil winding
GB931890A (en) Cathode assembly
GB864046A (en) Improvements in or relating to low-power transformers
US3076930A (en) Adjustable magnetic core
GB1012695A (en) Improvements in indirectly-heated electron-tube cathodes
AT218140B (de) Elektrische Entladungsröhre mit einer Glühkathode
GB908323A (en) Improvements in or relating to the fabrication of wire helices
GB739553A (en) Improved method of manufacturing electric coils
GB603341A (en) Improvements in and relating to coiled electrodes for electric discharge devices
GB910407A (en) Improvements in or relating to electrical component parts provided with a protectivelacquer layer
GB749312A (en) Improvements in or relating to indirectly heated cathodes for electron discharge devices
GB759946A (en) Improvements in or relating to electric resistance heating elements
GB1037409A (en) Improvements in or relating to coil formers
GB927298A (en) Thermionic valve cathode
GB861415A (en) Electromagnetic switching devices in sealed vessels
GB867021A (en) Improvements relating to indirectly heated cathodes for electron discharge devices
GB852909A (en) Improvements in electrical coil windings
SE303801B (enrdf_load_stackoverflow)