NL7404189A - - Google Patents

Info

Publication number
NL7404189A
NL7404189A NL7404189A NL7404189A NL7404189A NL 7404189 A NL7404189 A NL 7404189A NL 7404189 A NL7404189 A NL 7404189A NL 7404189 A NL7404189 A NL 7404189A NL 7404189 A NL7404189 A NL 7404189A
Authority
NL
Netherlands
Application number
NL7404189A
Other versions
NL163665C (nl
NL163665B (nl
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 filed Critical
Publication of NL7404189A publication Critical patent/NL7404189A/xx
Publication of NL163665B publication Critical patent/NL163665B/xx
Application granted granted Critical
Publication of NL163665C publication Critical patent/NL163665C/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
NL7404189.A 1973-04-09 1974-03-27 Kathodekanon voor een lopende golfbuis. NL163665C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349156A US3814974A (en) 1973-04-09 1973-04-09 Cathode gun device

Publications (3)

Publication Number Publication Date
NL7404189A true NL7404189A (enrdf_load_stackoverflow) 1974-10-11
NL163665B NL163665B (nl) 1980-04-15
NL163665C NL163665C (nl) 1980-09-15

Family

ID=23371139

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7404189.A NL163665C (nl) 1973-04-09 1974-03-27 Kathodekanon voor een lopende golfbuis.

Country Status (6)

Country Link
US (1) US3814974A (enrdf_load_stackoverflow)
JP (1) JPS503568A (enrdf_load_stackoverflow)
DE (1) DE2415152B2 (enrdf_load_stackoverflow)
FR (1) FR2224868B1 (enrdf_load_stackoverflow)
GB (1) GB1424167A (enrdf_load_stackoverflow)
NL (1) NL163665C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51112166A (en) * 1975-03-27 1976-10-04 Matsushita Electric Ind Co Ltd Impregnated cathode
JPS5458344A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Thermal electron radiation cathode
JPS5574032A (en) * 1978-11-29 1980-06-04 Nec Corp Indirectly-heated cathode
GB2176337B (en) * 1985-06-04 1990-02-14 English Electric Valve Co Ltd Metal vapour laser apparatus
US5202910A (en) * 1990-08-28 1993-04-13 North American Philips Corporation Anode for arc discharge devices
US10825634B2 (en) * 2019-02-21 2020-11-03 Varex Imaging Corporation X-ray tube emitter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899591A (en) * 1959-08-11 Electrical heating device
US2391927A (en) * 1944-01-08 1946-01-01 Standard Telephones Cables Ltd Electron discharge device
US2518879A (en) * 1945-02-03 1950-08-15 Kenneth J Germeshausen Hydrogen thyratron
US2577239A (en) * 1949-09-12 1951-12-04 Eitel Mccullough Inc Cathode and heater structure for electron tubes
US2888592A (en) * 1954-07-22 1959-05-26 Gen Electric Cathode structure
US3204140A (en) * 1961-07-10 1965-08-31 Gen Electric Hot cathode electron tube

Also Published As

Publication number Publication date
JPS503568A (enrdf_load_stackoverflow) 1975-01-14
DE2415152B2 (de) 1975-07-31
DE2415152A1 (de) 1974-11-21
NL163665C (nl) 1980-09-15
NL163665B (nl) 1980-04-15
FR2224868A1 (enrdf_load_stackoverflow) 1974-10-31
US3814974A (en) 1974-06-04
FR2224868B1 (enrdf_load_stackoverflow) 1977-09-30
GB1424167A (en) 1976-02-11

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee