CA934433A - Directly heated oxide cathode - Google Patents

Directly heated oxide cathode

Info

Publication number
CA934433A
CA934433A CA123717A CA123717A CA934433A CA 934433 A CA934433 A CA 934433A CA 123717 A CA123717 A CA 123717A CA 123717 A CA123717 A CA 123717A CA 934433 A CA934433 A CA 934433A
Authority
CA
Canada
Prior art keywords
directly heated
oxide cathode
heated oxide
cathode
directly
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
CA123717A
Other languages
English (en)
Other versions
CA123717S (en
Inventor
Visser Bauke
Kuiper Adrianus
W. Brouns Jan
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA934433A publication Critical patent/CA934433A/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
    • H01J1/15—Cathodes heated directly by an electric current
CA123717A 1970-09-30 1971-09-27 Directly heated oxide cathode Expired CA934433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7014337A NL7014337A (enrdf_load_stackoverflow) 1970-09-30 1970-09-30

Publications (1)

Publication Number Publication Date
CA934433A true CA934433A (en) 1973-09-25

Family

ID=19811188

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123717A Expired CA934433A (en) 1970-09-30 1971-09-27 Directly heated oxide cathode

Country Status (7)

Country Link
US (1) US3694688A (enrdf_load_stackoverflow)
JP (1) JPS5345667B1 (enrdf_load_stackoverflow)
CA (1) CA934433A (enrdf_load_stackoverflow)
DE (1) DE2144710C3 (enrdf_load_stackoverflow)
FR (1) FR2108725A5 (enrdf_load_stackoverflow)
GB (1) GB1302140A (enrdf_load_stackoverflow)
NL (1) NL7014337A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108770A (en) * 1976-03-09 1977-09-12 Hitachi Ltd Manufacture for direct heat type cathode
JPS536560A (en) * 1976-07-07 1978-01-21 Hitachi Ltd Manufacture of cathode for direct heating type cathode ray tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440474A (en) * 1967-02-01 1969-04-22 Sylvania Electric Prod Resilient means for supporting a directly heated planar cathode
US3441767A (en) * 1967-02-01 1969-04-29 Sylvania Electric Prod Tensioned directly heated cathode having improved temperature characteristics

Also Published As

Publication number Publication date
NL7014337A (enrdf_load_stackoverflow) 1972-04-05
DE2144710C3 (de) 1978-12-14
DE2144710B2 (de) 1978-03-23
FR2108725A5 (enrdf_load_stackoverflow) 1972-05-19
DE2144710A1 (de) 1972-04-06
US3694688A (en) 1972-09-26
JPS5345667B1 (enrdf_load_stackoverflow) 1978-12-08
GB1302140A (enrdf_load_stackoverflow) 1973-01-04

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