FR753113A - Perfectionnements aux cathodes - Google Patents

Perfectionnements aux cathodes

Info

Publication number
FR753113A
FR753113A FR753113DA FR753113A FR 753113 A FR753113 A FR 753113A FR 753113D A FR753113D A FR 753113DA FR 753113 A FR753113 A FR 753113A
Authority
FR
France
Prior art keywords
enhancements
cathode
cathode enhancements
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR753113A publication Critical patent/FR753113A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
FR753113D 1932-03-24 1933-03-24 Perfectionnements aux cathodes Expired FR753113A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600366A US1966211A (en) 1932-03-24 1932-03-24 Cathode

Publications (1)

Publication Number Publication Date
FR753113A true FR753113A (fr) 1933-10-07

Family

ID=32508278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR753113D Expired FR753113A (fr) 1932-03-24 1933-03-24 Perfectionnements aux cathodes

Country Status (4)

Country Link
US (1) US1966211A (US07534539-20090519-C00280.png)
BE (1) BE395224A (US07534539-20090519-C00280.png)
FR (1) FR753113A (US07534539-20090519-C00280.png)
GB (1) GB405466A (US07534539-20090519-C00280.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464702A (en) * 1944-11-04 1949-03-15 Hartford Nat Bank & Trust Co Process for manufacturing cathodes for electron discharge tubes
US2840751A (en) * 1953-05-28 1958-06-24 Westinghouse Electric Corp Electrode coating composition and electrode for cold cathode gas discharge lamp

Also Published As

Publication number Publication date
US1966211A (en) 1934-07-10
GB405466A (US07534539-20090519-C00280.png) 1934-02-08
BE395224A (US07534539-20090519-C00280.png)

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