GB776232A - Improvements in or relating to cylindrical dispenser cathodes - Google Patents

Improvements in or relating to cylindrical dispenser cathodes

Info

Publication number
GB776232A
GB776232A GB27359/55A GB2735955A GB776232A GB 776232 A GB776232 A GB 776232A GB 27359/55 A GB27359/55 A GB 27359/55A GB 2735955 A GB2735955 A GB 2735955A GB 776232 A GB776232 A GB 776232A
Authority
GB
United Kingdom
Prior art keywords
cathode
relating
cylindrical dispenser
sept
cylinder
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
GB27359/55A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB776232A publication Critical patent/GB776232A/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

Landscapes

  • Microwave Tubes (AREA)
GB27359/55A 1954-09-29 1955-09-26 Improvements in or relating to cylindrical dispenser cathodes Expired GB776232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL332995X 1954-09-29

Publications (1)

Publication Number Publication Date
GB776232A true GB776232A (en) 1957-06-05

Family

ID=19784433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27359/55A Expired GB776232A (en) 1954-09-29 1955-09-26 Improvements in or relating to cylindrical dispenser cathodes

Country Status (4)

Country Link
BE (1) BE541626A (forum.php)
CH (1) CH332995A (forum.php)
FR (1) FR1131714A (forum.php)
GB (1) GB776232A (forum.php)

Also Published As

Publication number Publication date
FR1131714A (fr) 1957-02-26
CH332995A (de) 1958-09-30
BE541626A (forum.php)

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