NL7307855A - - Google Patents

Info

Publication number
NL7307855A
NL7307855A NL7307855A NL7307855A NL7307855A NL 7307855 A NL7307855 A NL 7307855A NL 7307855 A NL7307855 A NL 7307855A NL 7307855 A NL7307855 A NL 7307855A NL 7307855 A NL7307855 A NL 7307855A
Authority
NL
Netherlands
Application number
NL7307855A
Other versions
NL158647B (en
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
Priority to NL7307855.A priority Critical patent/NL158647B/en
Priority to DE2425337A priority patent/DE2425337C3/en
Priority to CA201,140A priority patent/CA1008914A/en
Priority to US474587A priority patent/US3911312A/en
Priority to GB2440374A priority patent/GB1470318A/en
Priority to JP6198274A priority patent/JPS5621212B2/ja
Priority to AU69711/74A priority patent/AU485613B2/en
Priority to IT68747/74A priority patent/IT1014280B/en
Priority to ES426956A priority patent/ES426956A1/en
Priority to FR7419481A priority patent/FR2232833B1/fr
Publication of NL7307855A publication Critical patent/NL7307855A/xx
Publication of NL158647B publication Critical patent/NL158647B/en

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
    • H01J1/26—Supports for the emissive material
NL7307855.A 1973-06-06 1973-06-06 OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE. NL158647B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL7307855.A NL158647B (en) 1973-06-06 1973-06-06 OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE.
DE2425337A DE2425337C3 (en) 1973-06-06 1974-05-25 Oxide cathode for an electric discharge tube
CA201,140A CA1008914A (en) 1973-06-06 1974-05-29 Oxide cathode for an electric discharge tube
US474587A US3911312A (en) 1973-06-06 1974-05-30 Oxide cathode for an electric discharge tube
GB2440374A GB1470318A (en) 1973-06-06 1974-06-03 Cathode for electronic tube
JP6198274A JPS5621212B2 (en) 1973-06-06 1974-06-03
AU69711/74A AU485613B2 (en) 1973-06-06 1974-06-03 Oxide cathode foran electric discharge tube
IT68747/74A IT1014280B (en) 1973-06-06 1974-06-03 ALL OXIDE CATHODE FOR ELECTRIC AC EXHAUST PIPES
ES426956A ES426956A1 (en) 1973-06-06 1974-06-04 Oxide cathode for an electric discharge tube
FR7419481A FR2232833B1 (en) 1973-06-06 1974-06-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307855.A NL158647B (en) 1973-06-06 1973-06-06 OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE.

Publications (2)

Publication Number Publication Date
NL7307855A true NL7307855A (en) 1974-12-10
NL158647B NL158647B (en) 1978-11-15

Family

ID=19819020

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7307855.A NL158647B (en) 1973-06-06 1973-06-06 OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE.

Country Status (9)

Country Link
US (1) US3911312A (en)
JP (1) JPS5621212B2 (en)
CA (1) CA1008914A (en)
DE (1) DE2425337C3 (en)
ES (1) ES426956A1 (en)
FR (1) FR2232833B1 (en)
GB (1) GB1470318A (en)
IT (1) IT1014280B (en)
NL (1) NL158647B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115765A (en) * 1975-04-03 1976-10-12 Sony Corp Electron tube cathode apparatus
JPS5351798U (en) * 1976-10-02 1978-05-02
EP1385190A1 (en) * 2002-07-24 2004-01-28 Thomson Licensing S.A. Oxide cathode for electron gun with a differentially doped metallic substrate
US7208864B2 (en) * 2002-07-24 2007-04-24 Thomson Licensing Oxide cathode for electron gun with a differentially doped metallic substrate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179110A (en) * 1938-08-27 1939-11-07 Rca Corp Cathode for electron discharge devices
US2192491A (en) * 1939-02-01 1940-03-05 Rca Corp Cathode for electron discharge devices
FR1107589A (en) * 1954-06-18 1956-01-03 Csf Improvements to oxide cathode supports
FR1152810A (en) * 1955-06-29 1958-02-26 Philips Nv Oxide cathode and process for preparing nickel alloys for their bottom coating
NL101694C (en) * 1959-03-06
US3099577A (en) * 1960-08-24 1963-07-30 Philips Corp Method of manufacturing oxide cathodes and cathodes manufactured by such methods
GB1076229A (en) * 1963-10-08 1967-07-19 Sylvania Electric Prod Cathodes
US3351486A (en) * 1966-11-23 1967-11-07 Sylvania Electric Prod Cathodes

Also Published As

Publication number Publication date
GB1470318A (en) 1977-04-14
CA1008914A (en) 1977-04-19
ES426956A1 (en) 1976-08-01
JPS5023554A (en) 1975-03-13
IT1014280B (en) 1977-04-20
DE2425337C3 (en) 1981-06-25
NL158647B (en) 1978-11-15
FR2232833B1 (en) 1978-12-29
US3911312A (en) 1975-10-07
FR2232833A1 (en) 1975-01-03
JPS5621212B2 (en) 1981-05-18
DE2425337A1 (en) 1975-01-02
AU6971174A (en) 1975-12-04
DE2425337B2 (en) 1978-04-27

Similar Documents

Publication Publication Date Title
AR201758A1 (en)
AU476761B2 (en)
AU465372B2 (en)
AR201235Q (en)
AR201231Q (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
AU465453B2 (en)
AU465434B2 (en)
AU471343B2 (en)
AU450229B2 (en)
AU476714B2 (en)
AR201229Q (en)
AU472848B2 (en)
AU466283B2 (en)
AU476696B2 (en)
AR199451A1 (en)
FR2232833B1 (en)
AU477823B2 (en)
AR197627A1 (en)
AR196382A1 (en)
AU471461B2 (en)
AR201432A1 (en)
AR210729A1 (en)

Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: PHILIPS