GB554828A - Improvements in or relating to electric discharge tubes having a directional electron beam - Google Patents

Improvements in or relating to electric discharge tubes having a directional electron beam

Info

Publication number
GB554828A
GB554828A GB14786/41A GB1478641A GB554828A GB 554828 A GB554828 A GB 554828A GB 14786/41 A GB14786/41 A GB 14786/41A GB 1478641 A GB1478641 A GB 1478641A GB 554828 A GB554828 A GB 554828A
Authority
GB
United Kingdom
Prior art keywords
relating
electron beam
electric discharge
discharge tubes
directional electron
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
GB14786/41A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB554828A publication Critical patent/GB554828A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming

Landscapes

  • Discharge Lamp (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Microwave Tubes (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
GB14786/41A 1940-07-03 1941-11-17 Improvements in or relating to electric discharge tubes having a directional electron beam Expired GB554828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219503X 1940-07-03

Publications (1)

Publication Number Publication Date
GB554828A true GB554828A (en) 1943-07-21

Family

ID=19779267

Family Applications (2)

Application Number Title Priority Date Filing Date
GB14786/41A Expired GB554828A (en) 1940-07-03 1941-11-17 Improvements in or relating to electric discharge tubes having a directional electron beam
GB29544/45A Expired GB603939A (en) 1940-07-03 1945-11-06 Improvements in or relating to electric discharge tubes having a directional electron beam

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB29544/45A Expired GB603939A (en) 1940-07-03 1945-11-06 Improvements in or relating to electric discharge tubes having a directional electron beam

Country Status (8)

Country Link
US (1) US2347990A (de)
BE (1) BE442068A (de)
CH (1) CH219503A (de)
DE (1) DE862039C (de)
FR (1) FR874922A (de)
GB (2) GB554828A (de)
NL (1) NL60887C (de)
SE (1) SE106343C1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL254372A (de) * 1930-07-02
BE508323A (de) * 1951-01-11
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
US2748307A (en) * 1952-03-06 1956-05-29 Gen Electric Magnetically forcused electron discharge device
DE961735C (de) * 1953-03-19 1957-04-11 Fernseh Gmbh Verfahren zur Zentrierung des Elektronenstrahls, insbesondere fuer Fernsehbildroehren, mit einem die Strahlachse ringfoermig umgebenden Permanentmagneten und Anordnung zur Durchfuehrung des Verfahrens
DE1059565B (de) * 1955-01-15 1959-06-18 Sebel S A Elektronische Lampe fuer Beleuchtungszwecke
NL214772A (de) * 1956-02-24
NL278366A (de) * 1961-05-27
NL282676A (de) * 1961-08-31
US3217200A (en) * 1962-01-23 1965-11-09 Gen Electric Internal magnetic lens for electron beams
DE2856244A1 (de) * 1978-12-27 1980-07-03 Kernforschungsanlage Juelich Elektronenstosspektrometer
FR2641899A1 (fr) * 1989-01-17 1990-07-20 Thomson Tubes Electroniques Canon a electrons muni d'un dispositif actif produisant un champ magnetique au voisinage de la cathode

Also Published As

Publication number Publication date
DE862039C (de) 1953-01-08
SE106343C1 (de) 1943-01-19
US2347990A (en) 1944-05-02
GB603939A (en) 1948-06-25
NL60887C (de)
FR874922A (fr) 1942-08-31
CH219503A (de) 1942-02-15
BE442068A (de)

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