FR872405A - Perfectionnements aux cathodes thoriées - Google Patents

Perfectionnements aux cathodes thoriées

Info

Publication number
FR872405A
FR872405A FR872405DA FR872405A FR 872405 A FR872405 A FR 872405A FR 872405D A FR872405D A FR 872405DA FR 872405 A FR872405 A FR 872405A
Authority
FR
France
Prior art keywords
thoriated
cathodes
thoriated cathodes
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
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR872405A publication Critical patent/FR872405A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/02—Electrophoretic coating characterised by the process with inorganic material
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR872405D 1940-01-24 1941-05-21 Perfectionnements aux cathodes thoriées Expired FR872405A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220852X 1940-01-24

Publications (1)

Publication Number Publication Date
FR872405A true FR872405A (fr) 1942-06-08

Family

ID=5836834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872405D Expired FR872405A (fr) 1940-01-24 1941-05-21 Perfectionnements aux cathodes thoriées

Country Status (3)

Country Link
CH (1) CH220852A (de)
FR (1) FR872405A (de)
NL (2) NL149363C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166385B (de) * 1964-03-26 Iapatelholdia Patentverwertung Gluehkathode fuer Elektronenroehren und Verfahren zu ihrer Herstellung
BE518861A (de) * 1952-04-01
CH582951A5 (de) * 1973-07-09 1976-12-15 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
NL149363C (de)
CH220852A (de) 1942-04-30
NL54775C (de)

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