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FR1539067A - Reserve cathode for electric discharge tubes, especially for electron tubes - Google Patents

Reserve cathode for electric discharge tubes, especially for electron tubes

Info

Publication number
FR1539067A
FR1539067A FR115382A FR115382A FR1539067A FR 1539067 A FR1539067 A FR 1539067A FR 115382 A FR115382 A FR 115382A FR 115382 A FR115382 A FR 115382A FR 1539067 A FR1539067 A FR 1539067A
Authority
FR
France
Prior art keywords
tubes
electric discharge
electron
reserve cathode
reserve
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
FR115382A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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
Priority claimed from DES105208A external-priority patent/DE1283403B/en
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to FR115382A priority Critical patent/FR1539067A/en
Application granted granted Critical
Publication of FR1539067A publication Critical patent/FR1539067A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR115382A 1966-08-05 1967-07-24 Reserve cathode for electric discharge tubes, especially for electron tubes Expired FR1539067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR115382A FR1539067A (en) 1966-08-05 1967-07-24 Reserve cathode for electric discharge tubes, especially for electron tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES105208A DE1283403B (en) 1966-08-05 1966-08-05 Indirectly heated storage cathode for electrical discharge vessels
FR115382A FR1539067A (en) 1966-08-05 1967-07-24 Reserve cathode for electric discharge tubes, especially for electron tubes

Publications (1)

Publication Number Publication Date
FR1539067A true FR1539067A (en) 1968-09-13

Family

ID=25998555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR115382A Expired FR1539067A (en) 1966-08-05 1967-07-24 Reserve cathode for electric discharge tubes, especially for electron tubes

Country Status (1)

Country Link
FR (1) FR1539067A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013201A1 (en) * 1978-12-27 1980-07-09 Thomson-Csf Directly heated cathode and high frequency electron tube comprising such a cathode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013201A1 (en) * 1978-12-27 1980-07-09 Thomson-Csf Directly heated cathode and high frequency electron tube comprising such a cathode
FR2445605A1 (en) * 1978-12-27 1980-07-25 Thomson Csf DIRECT HEATING CATHODE AND HIGH FREQUENCY ELECTRONIC TUBE COMPRISING SUCH A CATHODE

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