GB757066A - Improvements in or relating to cylindrical dispenser cathodes - Google Patents

Improvements in or relating to cylindrical dispenser cathodes

Info

Publication number
GB757066A
GB757066A GB37116/54A GB3711654A GB757066A GB 757066 A GB757066 A GB 757066A GB 37116/54 A GB37116/54 A GB 37116/54A GB 3711654 A GB3711654 A GB 3711654A GB 757066 A GB757066 A GB 757066A
Authority
GB
United Kingdom
Prior art keywords
rings
tube
relating
cathode
cylindrical dispenser
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
GB37116/54A
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 GB757066A publication Critical patent/GB757066A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • 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)
GB37116/54A 1953-12-22 1954-12-22 Improvements in or relating to cylindrical dispenser cathodes Expired GB757066A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL326751X 1953-12-22

Publications (1)

Publication Number Publication Date
GB757066A true GB757066A (en) 1956-09-12

Family

ID=19784195

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37116/54A Expired GB757066A (en) 1953-12-22 1954-12-22 Improvements in or relating to cylindrical dispenser cathodes

Country Status (7)

Country Link
US (1) US2988666A (xx)
BE (1) BE534280A (xx)
CH (1) CH326751A (xx)
DE (1) DE1034780B (xx)
FR (1) FR1116098A (xx)
GB (1) GB757066A (xx)
NL (2) NL183830B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286119A (en) * 1963-05-08 1966-11-15 Hitachi Ltd Hollow cathode discharge tubes

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733378A (en) * 1956-01-31 Thermionic cathodes for electronic discharge devices
CH236119A (de) * 1942-03-18 1945-01-15 Fides Gmbh Indirekt geheizte Glühkathode.
BE486002A (xx) * 1947-11-26
BE498869A (xx) * 1949-10-25
DE899235C (de) * 1951-06-09 1953-12-10 Siemens Ag Kathode fuer elektrische Entladungsgefaesse
DE885757C (de) * 1951-07-12 1953-08-06 Siemens Ag Kathode fuer elektrische Entladungsgefaesse
AT176925B (de) * 1951-07-20 1953-12-10 Philips Nv Verfahren zur Herstellung einer Vorratskathode
NL80924C (xx) * 1951-07-20
CH305872A (de) * 1951-11-19 1955-03-15 Siemens Ag Kathode für elektrische Entladungsgefässe.
NL91132C (xx) * 1951-11-29
AT176926B (de) * 1951-11-29 1953-12-10 Philips Nv Zylindrische Vorratskathode, insbesondere für eine Magnetronröhre
NL91131C (xx) * 1951-11-29
BE515835A (xx) * 1951-11-29
US2677778A (en) * 1952-03-31 1954-05-04 Atomic Energy Commission Linear cathode
GB731454A (en) * 1952-10-28 1955-06-08 Vickers Electrical Co Ltd Improvements relating to electron emissive devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286119A (en) * 1963-05-08 1966-11-15 Hitachi Ltd Hollow cathode discharge tubes

Also Published As

Publication number Publication date
FR1116098A (fr) 1956-05-03
DE1034780B (de) 1958-07-24
CH326751A (de) 1957-12-31
BE534280A (xx)
NL85507C (xx)
NL183830B (nl)
US2988666A (en) 1961-06-13

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