GB400058A - Improvements relating to indirectly heated cathodes for electron discharge devices - Google Patents

Improvements relating to indirectly heated cathodes for electron discharge devices

Info

Publication number
GB400058A
GB400058A GB4801/33A GB480133A GB400058A GB 400058 A GB400058 A GB 400058A GB 4801/33 A GB4801/33 A GB 4801/33A GB 480133 A GB480133 A GB 480133A GB 400058 A GB400058 A GB 400058A
Authority
GB
United Kingdom
Prior art keywords
indirectly heated
improvements relating
discharge devices
electron discharge
apertures
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
GB4801/33A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB400058A publication Critical patent/GB400058A/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

Landscapes

  • Electron Beam Exposure (AREA)
  • Electron Sources, Ion Sources (AREA)
GB4801/33A 1932-02-16 1933-02-16 Improvements relating to indirectly heated cathodes for electron discharge devices Expired GB400058A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB400058A true GB400058A (en) 1933-10-19

Family

ID=6448466

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4800/33A Expired GB415398A (en) 1932-02-16 1933-02-16 Improvements relating to indirectly heated cathodes for electron discharge devices
GB4801/33A Expired GB400058A (en) 1932-02-16 1933-02-16 Improvements relating to indirectly heated cathodes for electron discharge devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB4800/33A Expired GB415398A (en) 1932-02-16 1933-02-16 Improvements relating to indirectly heated cathodes for electron discharge devices

Country Status (3)

Country Link
FR (1) FR750565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB415398A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL36127C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL42560C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1935-03-06
NL48805C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1936-09-01

Also Published As

Publication number Publication date
GB415398A (en) 1934-08-16
FR750565A (fr) 1933-08-12
NL36127C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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