FR750565A - Improvements to indirectly heated cathodes - Google Patents

Improvements to indirectly heated cathodes

Info

Publication number
FR750565A
FR750565A FR750565DA FR750565A FR 750565 A FR750565 A FR 750565A FR 750565D A FR750565D A FR 750565DA FR 750565 A FR750565 A FR 750565A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathodes
cathodes
indirectly
heated
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR750565A publication Critical patent/FR750565A/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
FR750565D 1932-02-16 1933-02-11 Improvements to indirectly heated cathodes Expired FR750565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE415398X 1932-02-16

Publications (1)

Publication Number Publication Date
FR750565A true FR750565A (en) 1933-08-12

Family

ID=6448466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR750565D Expired FR750565A (en) 1932-02-16 1933-02-11 Improvements to indirectly heated cathodes

Country Status (3)

Country Link
FR (1) FR750565A (en)
GB (2) GB400058A (en)
NL (1) NL36127C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764504C (en) * 1936-09-01 1952-12-22 Siemens & Halske A G Coiled oxide cathode, especially for gas or vapor-filled discharge vessels
DE755099C (en) * 1935-03-06 1953-10-26 Int Standard Electric Corp Indirectly heated glow cathode designed as a flat cathode for electron tubes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755099C (en) * 1935-03-06 1953-10-26 Int Standard Electric Corp Indirectly heated glow cathode designed as a flat cathode for electron tubes
DE764504C (en) * 1936-09-01 1952-12-22 Siemens & Halske A G Coiled oxide cathode, especially for gas or vapor-filled discharge vessels

Also Published As

Publication number Publication date
GB415398A (en) 1934-08-16
GB400058A (en) 1933-10-19
NL36127C (en)

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