FR519868A - Improvements in the construction of vacuum tubes of the thermionic type - Google Patents

Improvements in the construction of vacuum tubes of the thermionic type

Info

Publication number
FR519868A
FR519868A FR519868A FR519868DA FR519868A FR 519868 A FR519868 A FR 519868A FR 519868 A FR519868 A FR 519868A FR 519868D A FR519868D A FR 519868DA FR 519868 A FR519868 A FR 519868A
Authority
FR
France
Prior art keywords
construction
vacuum tubes
thermionic type
thermionic
type
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
FR519868A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR519868A publication Critical patent/FR519868A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/32—Anodes
    • H01J19/36—Cooling of anodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0027—Mitigation of temperature effects
FR519868A 1916-11-01 1920-04-26 Improvements in the construction of vacuum tubes of the thermionic type Expired FR519868A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US128857A US1432931A (en) 1916-11-01 1916-11-01 Electric-discharge device
US128876A US1459417A (en) 1916-11-01 1916-11-01 Electron-discharge device

Publications (1)

Publication Number Publication Date
FR519868A true FR519868A (en) 1921-06-16

Family

ID=22437418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR519868A Expired FR519868A (en) 1916-11-01 1920-04-26 Improvements in the construction of vacuum tubes of the thermionic type

Country Status (2)

Country Link
US (2) US1459417A (en)
FR (1) FR519868A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451987A (en) * 1944-03-17 1948-10-19 Westinghouse Electric Corp Electronic tube for ultra high frequencies
US2612623A (en) * 1949-10-26 1952-09-30 Raytheon Mfg Co Anode structure for electron discharge devices
US4076990A (en) * 1975-10-08 1978-02-28 The Trustees Of The University Of Pennsylvania Tube target for fusion neutron generator

Also Published As

Publication number Publication date
US1459417A (en) 1923-06-19
US1432931A (en) 1922-10-24

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