GB672610A - Improvements in cathodes for use in electron discharge tubes - Google Patents

Improvements in cathodes for use in electron discharge tubes

Info

Publication number
GB672610A
GB672610A GB25757/50A GB2575750A GB672610A GB 672610 A GB672610 A GB 672610A GB 25757/50 A GB25757/50 A GB 25757/50A GB 2575750 A GB2575750 A GB 2575750A GB 672610 A GB672610 A GB 672610A
Authority
GB
United Kingdom
Prior art keywords
wires
bush
cathodes
oct
welded
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
GB25757/50A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips 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
Application filed by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB672610A publication Critical patent/GB672610A/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode

Landscapes

  • Solid Thermionic Cathode (AREA)
GB25757/50A 1949-10-26 1950-10-23 Improvements in cathodes for use in electron discharge tubes Expired GB672610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL284922X 1949-10-26

Publications (1)

Publication Number Publication Date
GB672610A true GB672610A (en) 1952-05-21

Family

ID=19782466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25757/50A Expired GB672610A (en) 1949-10-26 1950-10-23 Improvements in cathodes for use in electron discharge tubes

Country Status (4)

Country Link
BE (1) BE498898A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH284922A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1026469A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB672610A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073635B (de) * 1960-01-21 Egyesült Izzolämpa es Villamossägi Reszvenytärsasäg, Budapest Indirekt geheizte Vorratskathode und Verfahren zur Herstellung derselben

Also Published As

Publication number Publication date
BE498898A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR1026469A (fr) 1953-04-28
CH284922A (de) 1952-08-15

Similar Documents

Publication Publication Date Title
GB716412A (en) Improvements in cylindrical cathodes
GB317451A (en) Improvements in x-ray tubes
US2624024A (en) Cathode for use in electron discharge tubes
GB675456A (en) Improvements in or relating to cathodes for electric discharge tubes
GB730548A (en) Tuning indicator valve
GB495846A (en) Improvements in and relating to electric discharge devices
GB527209A (en) Braun tube arrangement
US2020727A (en) Gaseous electric discharge device
GB797964A (en) Improvements in or relating to electric discharge valves
GB672610A (en) Improvements in cathodes for use in electron discharge tubes
GB804697A (en) Improvements in x-ray tubes
GB730920A (en) Improvements in or relating to high-vacuum electric discharge tubes of the kind comprising cold electrodes
GB931059A (en) Improvements in and relating to thermionic cathodes
GB550551A (en) Improvements in and relating to gettering arrangements for highly evacuated envelopes of electron discharge tubes
GB519111A (en) Improvements in and relating to cathode ray tubes
GB603088A (en) Improvements in electrical discharge tubes
GB833432A (en) Improvements in or relating to indirectly heated cathodes for electron discharge devices and to heater elements therefor
GB267142A (en) Improvements in thermionic electrodes
GB520623A (en) Improvements in electric discharge tubes for the optical indication of voltages
GB1070377A (en) Improvements in or relating to thermionic cathodes and to electron discharge devices employing thermionic cathodes
GB495732A (en) Improvements in or relating to cathode ray tuning indicators
GB855568A (en) Magnetron oscillator
GB659798A (en) Improvements in and relating to x-ray tubes
GB835418A (en) Improvements in electronic discharge tubes
GB506794A (en) Improvements in or relating to electrode constructions for electron discharge tubes