GB622492A - Improvements in cathode-ray tubes producing directed directed beams of electrons - Google Patents

Improvements in cathode-ray tubes producing directed directed beams of electrons

Info

Publication number
GB622492A
GB622492A GB28808/46A GB2880846A GB622492A GB 622492 A GB622492 A GB 622492A GB 28808/46 A GB28808/46 A GB 28808/46A GB 2880846 A GB2880846 A GB 2880846A GB 622492 A GB622492 A GB 622492A
Authority
GB
United Kingdom
Prior art keywords
electrode
cathode
unit
ray tubes
directed
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
GB28808/46A
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 Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB622492A publication Critical patent/GB622492A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB28808/46A 1943-04-21 1946-09-26 Improvements in cathode-ray tubes producing directed directed beams of electrons Expired GB622492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL252006X 1943-04-21

Publications (1)

Publication Number Publication Date
GB622492A true GB622492A (en) 1949-05-03

Family

ID=19781147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28808/46A Expired GB622492A (en) 1943-04-21 1946-09-26 Improvements in cathode-ray tubes producing directed directed beams of electrons

Country Status (7)

Country Link
US (1) US2464076A (ja)
BE (1) BE455394A (ja)
CH (1) CH252006A (ja)
DE (1) DE852423C (ja)
FR (1) FR903554A (ja)
GB (1) GB622492A (ja)
NL (1) NL70855C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144574A (en) * 1983-07-13 1985-03-06 English Electric Valve Co Ltd Improvements in or relating to electron guns

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753484A (en) * 1952-07-29 1956-07-03 Itt Signal indicating device
US3004183A (en) * 1957-12-03 1961-10-10 Itt Electron gun
DE1093492B (de) * 1958-08-13 1960-11-24 Telefunken Gmbh Verfahren zur Herstellung eines aus mehreren Elektroden bestehenden Elektrodenystemsfuer Elektronenstrahlroehren
US2949556A (en) * 1959-06-19 1960-08-16 Westinghouse Electric Corp Electron discharge device
US3066235A (en) * 1959-11-12 1962-11-27 Gen Dynamics Corp Means for influencing selectively the cross section and the horizontal and vertical position of a cathode ray electron beam
US3213310A (en) * 1961-10-17 1965-10-19 Westinghouse Electric Corp Electron gun structural support
US3684910A (en) * 1970-05-18 1972-08-15 Itt Electron multiplier having dynode modules

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB435690A (en) * 1934-03-26 1935-09-25 Leonard Francis Broadway Improvements in and relating to cathode ray tubes
GB483435A (en) * 1936-06-27 1938-04-20 Philips Nv Improvements in cathode ray tubes
GB493790A (en) * 1937-04-30 1938-10-14 British Thomson Houston Co Ltd Improvements in or relating to cathode ray devices
US2391273A (en) * 1942-05-29 1945-12-18 Du Mont Allen B Lab Inc Deflecting plate for cathode ray tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144574A (en) * 1983-07-13 1985-03-06 English Electric Valve Co Ltd Improvements in or relating to electron guns

Also Published As

Publication number Publication date
FR903554A (fr) 1945-10-09
NL70855C (ja)
DE852423C (de) 1952-10-16
CH252006A (de) 1947-11-30
BE455394A (ja)
US2464076A (en) 1949-03-08

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