NL69486C - - Google Patents

Info

Publication number
NL69486C
NL69486C NL69486DA NL69486C NL 69486 C NL69486 C NL 69486C NL 69486D A NL69486D A NL 69486DA NL 69486 C NL69486 C NL 69486C
Authority
NL
Netherlands
Application number
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.)
Publication of NL69486C publication Critical patent/NL69486C/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
NL69486D 1947-11-26 NL69486C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL272699X 1947-11-26

Publications (1)

Publication Number Publication Date
NL69486C true NL69486C (enrdf_load_html_response)

Family

ID=19781994

Family Applications (1)

Application Number Title Priority Date Filing Date
NL69486D NL69486C (enrdf_load_html_response) 1947-11-26

Country Status (6)

Country Link
US (1) US2543728A (enrdf_load_html_response)
BE (1) BE486002A (enrdf_load_html_response)
CH (3) CH272699A (enrdf_load_html_response)
FR (1) FR975422A (enrdf_load_html_response)
GB (1) GB641581A (enrdf_load_html_response)
NL (1) NL69486C (enrdf_load_html_response)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075747B (de) * 1960-02-18 Deutsche Elektronik G.m.b.H., Berlin-Wilmersdorf Zylindrische Vorratskathode für Magnetfeldröhren
BE498869A (enrdf_load_html_response) * 1949-10-25
US2671868A (en) * 1950-04-11 1954-03-09 Texas Co Gamma ray detector
US2718607A (en) * 1950-12-27 1955-09-20 Siemens Ag Dispenser-type cathode for electrical discharge tube
US2817784A (en) * 1951-01-31 1957-12-24 Siemens Ag Cathode for use in electrical discharge devices
NL91413C (enrdf_load_html_response) * 1951-03-22
US2808530A (en) * 1951-04-18 1957-10-01 Siemens Ag Cathode for electrical discharge devices
US2761993A (en) * 1951-06-09 1956-09-04 Siemens Ag Cathodes for electrical discharge devices
US2774916A (en) * 1951-06-09 1956-12-18 Siemens Ag Cathodes for electrical discharge devices
US2741717A (en) * 1951-06-14 1956-04-10 Siemens Ag Dispenser type cathode having gettercoated parts
DE890390C (de) * 1951-07-12 1953-09-17 Siemens Ag Kathode fuer elektrische Entladungsgefaesse
BE512852A (enrdf_load_html_response) * 1951-07-17
CH305872A (de) * 1951-11-19 1955-03-15 Siemens Ag Kathode für elektrische Entladungsgefässe.
BE515835A (enrdf_load_html_response) * 1951-11-29
BE515834A (enrdf_load_html_response) * 1951-11-29
NL174029B (nl) * 1951-11-29 Joseph Salim Peress Holle geleding voor bijvoorbeeld een duikpak.
US3010046A (en) * 1952-02-26 1961-11-21 Westinghouse Electric Corp Cathode structure
US2677778A (en) * 1952-03-31 1954-05-04 Atomic Energy Commission Linear cathode
BE519027A (enrdf_load_html_response) * 1952-04-09
DE972442C (de) * 1952-05-27 1959-07-23 Siemens Ag Halterung fuer eine Kathode fuer elektrische Entladungsgefaesse
DE1060499B (de) * 1952-05-31 1959-07-02 Egyesuelt Izzolampa Vorratskathode mit in einem getrennten Raum befindlichen aktiven Stoffen und Reduziermitteln
US2783407A (en) * 1952-06-28 1957-02-26 Vierkotter Paul Source of light
DE965431C (de) * 1952-07-18 1957-06-06 Egyesuelt Izzolampa Gluehkathode mit einem durch einen poroesen Wolframsinterkoerper abgeschlossenen Raum, in dem mindestens ein Alkalimetall enthalten ist
DE954898C (de) * 1952-07-23 1956-12-27 Siemens Ag Kathode mit einem Emissionsstoffvorrat fuer elektrische Entladungsgefaesse
US2777086A (en) * 1952-07-26 1957-01-08 Westinghouse Electric Corp Cathode
US2814754A (en) * 1952-08-28 1957-11-26 Raytheon Mfg Co Indirectly-heated cathodes
BE525821A (enrdf_load_html_response) * 1953-01-19
BE526506A (enrdf_load_html_response) * 1953-02-16
BE526781A (enrdf_load_html_response) * 1953-02-26
NL89470C (enrdf_load_html_response) * 1953-03-04
DE1025999B (de) * 1953-03-04 1958-03-13 Egyesuelt Izzolampa Vorratskathode, bei der der Vorrat, mindestens nach der Aktivierung, einen Gehalt an Bariumoxyd aufweist
DE1052578B (de) * 1953-06-18 1959-03-12 Siemens Ag Verfahren zur Herstellung einer Oxydkathode mit einer auf die Oberflaeche des Kathodenkoerpers aufgesinterten, porigen Metallschicht
NL96853C (enrdf_load_html_response) * 1953-09-24
US2899592A (en) * 1953-11-18 1959-08-11 coppola
NL100384C (enrdf_load_html_response) * 1953-12-17
BE534280A (enrdf_load_html_response) * 1953-12-22
US2928013A (en) * 1954-12-23 1960-03-08 Siemens Ag Electrical discharge device
US3076915A (en) * 1954-12-24 1963-02-05 Egyesuelt Izzolampa Cathode assembly and method of making same
US2931934A (en) * 1955-02-05 1960-04-05 Egyesuelt Izzolampa Indirectly heated supply cathode
US3113236A (en) * 1959-06-23 1963-12-03 Philips Corp Oxide dispenser type cathode
FR1283895A (fr) * 1960-12-21 1962-02-09 Csf Structure de cathode froide
US3251641A (en) * 1962-03-27 1966-05-17 Rca Corp Electron tube and method of making the same
DE1275692B (de) * 1963-10-14 1968-08-22 Litton Industries Inc Verfahren zur Herstellung einer Vorratskathode fuer Elektronenroehren
JPS58100329A (ja) * 1981-12-11 1983-06-15 Toshiba Corp 電子管用陰極構体
US5022883A (en) * 1990-11-06 1991-06-11 The United States Of America As Represented By The Secretary Of The Army Method of making a long life high current density cathode from aluminum oxide and tungsten oxide powders
US5293410A (en) * 1991-11-27 1994-03-08 Schlumberger Technology Corporation Neutron generator
US20030025435A1 (en) * 1999-11-24 2003-02-06 Vancil Bernard K. Reservoir dispenser cathode and method of manufacture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode

Also Published As

Publication number Publication date
US2543728A (en) 1951-02-27
FR975422A (fr) 1951-03-05
BE486002A (enrdf_load_html_response)
GB641581A (en) 1950-08-16
CH274441A (de) 1951-03-31
CH272699A (de) 1950-12-31
CH274440A (de) 1951-03-31

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