FR47147E - Improvements to cathode ray lamps - Google Patents

Improvements to cathode ray lamps

Info

Publication number
FR47147E
FR47147E FR47147DA FR47147E FR 47147 E FR47147 E FR 47147E FR 47147D A FR47147D A FR 47147DA FR 47147 E FR47147 E FR 47147E
Authority
FR
France
Prior art keywords
cathode ray
ray lamps
lamps
cathode
ray
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
Other languages
French (fr)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR47147E publication Critical patent/FR47147E/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR47147D 1935-02-25 1936-02-25 Improvements to cathode ray lamps Expired FR47147E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6037/35A GB452589A (en) 1935-02-25 1935-02-25 Improvements in cathode ray tubes

Publications (1)

Publication Number Publication Date
FR47147E true FR47147E (en) 1937-01-18

Family

ID=9807272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47147D Expired FR47147E (en) 1935-02-25 1936-02-25 Improvements to cathode ray lamps

Country Status (3)

Country Link
US (1) US2153269A (en)
FR (1) FR47147E (en)
GB (1) GB452589A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420176A (en) * 1941-05-28 1947-05-06 Rca Corp Cathode-ray tube with inclined target
US2736809A (en) * 1945-11-06 1956-02-28 Conrad G Bacon Ion generator and projector
BE475602A (en) * 1946-08-23
US2511143A (en) * 1948-02-12 1950-06-13 Zenith Radio Corp Electron discharge device
US2568137A (en) * 1948-02-12 1951-09-18 Zenith Radio Corp Demodulator
US2852716A (en) * 1954-07-14 1958-09-16 Gen Electric Cathode ray tube and electron gun therefor
US2888606A (en) * 1956-08-27 1959-05-26 Rca Corp Modulation control for cathode ray tubes
NL290483A (en) * 1962-03-21

Also Published As

Publication number Publication date
GB452589A (en) 1936-08-25
US2153269A (en) 1939-04-04

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