GB1122454A - Improvements in or relating to cathodes for electric discharge tubes - Google Patents

Improvements in or relating to cathodes for electric discharge tubes

Info

Publication number
GB1122454A
GB1122454A GB10212/67A GB1021267A GB1122454A GB 1122454 A GB1122454 A GB 1122454A GB 10212/67 A GB10212/67 A GB 10212/67A GB 1021267 A GB1021267 A GB 1021267A GB 1122454 A GB1122454 A GB 1122454A
Authority
GB
United Kingdom
Prior art keywords
cathodes
relating
electric discharge
discharge tubes
tubes
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
GB10212/67A
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 Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1122454A publication Critical patent/GB1122454A/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
GB10212/67A 1966-03-08 1967-03-03 Improvements in or relating to cathodes for electric discharge tubes Expired GB1122454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6602973A NL6602973A (en) 1966-03-08 1966-03-08

Publications (1)

Publication Number Publication Date
GB1122454A true GB1122454A (en) 1968-08-07

Family

ID=19795929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10212/67A Expired GB1122454A (en) 1966-03-08 1967-03-03 Improvements in or relating to cathodes for electric discharge tubes

Country Status (11)

Country Link
US (1) US3467879A (en)
AT (1) AT266228B (en)
BE (1) BE695217A (en)
CH (1) CH452712A (en)
DE (1) DE1614225C3 (en)
DK (1) DK118357B (en)
ES (1) ES337631A1 (en)
GB (1) GB1122454A (en)
NL (1) NL6602973A (en)
NO (1) NO120122B (en)
SE (1) SE327469B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000435A (en) * 1975-06-20 1976-12-28 Westinghouse Electric Corporation Electron gun cathode with a fast warm-up characteristic
NL7608642A (en) * 1976-08-04 1978-02-07 Philips Nv PROCESS FOR MANUFACTURE OF A STOCK CATHOD AND STOCK CATHOD MANUFACTURED UNDER THAT PROCESS.
US4215457A (en) * 1978-11-16 1980-08-05 U.S. Philips Corporation Rapid heating dispenser cathode in a holder and method of manufacturing the same
NL7905542A (en) * 1979-07-17 1981-01-20 Philips Nv DELIVERY CATHOD.
KR0147542B1 (en) * 1989-12-31 1998-08-01 김정배 Impregnated cathode for electron tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741717A (en) * 1951-06-14 1956-04-10 Siemens Ag Dispenser type cathode having gettercoated parts
BE517981A (en) * 1952-02-27
US3155865A (en) * 1961-12-15 1964-11-03 Gen Electric Low power heater

Also Published As

Publication number Publication date
BE695217A (en) 1967-09-08
AT266228B (en) 1968-11-11
DE1614225B2 (en) 1974-11-28
NL6602973A (en) 1967-09-11
CH452712A (en) 1968-03-15
DE1614225A1 (en) 1970-08-13
SE327469B (en) 1970-08-24
NO120122B (en) 1970-08-31
DE1614225C3 (en) 1975-07-10
ES337631A1 (en) 1968-06-16
DK118357B (en) 1970-08-10
US3467879A (en) 1969-09-16

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