FR914078A - Thermionic cathode - Google Patents

Thermionic cathode

Info

Publication number
FR914078A
FR914078A FR914078DA FR914078A FR 914078 A FR914078 A FR 914078A FR 914078D A FR914078D A FR 914078DA FR 914078 A FR914078 A FR 914078A
Authority
FR
France
Prior art keywords
thermionic cathode
thermionic
cathode
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
Other languages
French (fr)
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR914078A publication Critical patent/FR914078A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • H02P1/32—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by star/delta switching
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Physical Vapour Deposition (AREA)
FR914078D 1944-01-19 1945-09-05 Thermionic cathode Expired FR914078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB102144A GB577599A (en) 1944-01-19 1944-01-19 Improvements in thermionic cathodes

Publications (1)

Publication Number Publication Date
FR914078A true FR914078A (en) 1946-09-27

Family

ID=9714757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914078D Expired FR914078A (en) 1944-01-19 1945-09-05 Thermionic cathode

Country Status (4)

Country Link
ES (1) ES172138A1 (en)
FR (1) FR914078A (en)
GB (1) GB577599A (en)
MY (1) MY5300060A (en)

Also Published As

Publication number Publication date
GB577599A (en) 1946-05-24
ES172138A1 (en) 1946-08-16
MY5300060A (en) 1953-12-31

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