FR802715A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR802715A
FR802715A FR802715DA FR802715A FR 802715 A FR802715 A FR 802715A FR 802715D A FR802715D A FR 802715DA FR 802715 A FR802715 A FR 802715A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
tubes
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 FR802715A publication Critical patent/FR802715A/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
FR802715D 1935-02-13 1936-02-13 Improvements to cathode ray tubes Expired FR802715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB467235A GB452012A (en) 1935-02-13 1935-02-13 Improvements in and relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
FR802715A true FR802715A (en) 1936-09-14

Family

ID=9781598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802715D Expired FR802715A (en) 1935-02-13 1936-02-13 Improvements to cathode ray tubes

Country Status (2)

Country Link
FR (1) FR802715A (en)
GB (2) GB452012A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042832A (en) * 1959-04-16 1962-07-03 Abtronics Inc High-sensitivity cathode-ray tube
US3154710A (en) * 1958-11-13 1964-10-27 Motorola Inc Cathode-ray display system having electrostatic magnifying lens
US3205391A (en) * 1957-11-18 1965-09-07 Multi Tron Lab Inc Negative-lens type deflection magnifying means for electron beam in cathode ray tubes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185590A (en) * 1937-06-18 1940-01-02 Rca Corp Cathode ray tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205391A (en) * 1957-11-18 1965-09-07 Multi Tron Lab Inc Negative-lens type deflection magnifying means for electron beam in cathode ray tubes
US3154710A (en) * 1958-11-13 1964-10-27 Motorola Inc Cathode-ray display system having electrostatic magnifying lens
US3042832A (en) * 1959-04-16 1962-07-03 Abtronics Inc High-sensitivity cathode-ray tube

Also Published As

Publication number Publication date
GB452012A (en) 1936-08-13
GB452125A (en) 1936-08-13

Similar Documents

Publication Publication Date Title
FR846257A (en) Improvements to cathode ray tubes
FR824875A (en) Improvements to cathode ray tubes
FR843273A (en) Improvements to cathode ray tubes
FR798123A (en) Improvements to cathode ray tubes and similar devices
FR776158A (en) Improvements to cathode ray tubes
FR802417A (en) Improvements to discharge tubes
FR47147E (en) Improvements to cathode ray lamps
FR810516A (en) Improvements to discharge tubes
FR849215A (en) Improvements to cathode ray tubes
FR802715A (en) Improvements to cathode ray tubes
FR46705E (en) Improvements to cathode ray lamps
FR787469A (en) Improvements to cathode ray tubes
FR47475E (en) Cathode ray tube
FR801749A (en) Improvements made to discharge tubes
FR801713A (en) Cathode ray tube
FR787744A (en) Improvements to cathode ray tubes
FR835007A (en) Improvements to cathode ray tubes
FR812808A (en) Improvements to discharge tubes
FR779734A (en) Improvements to cathode ray lamps
FR831049A (en) Cathode ray tubes
FR815084A (en) Improvements to thermionic discharge tubes
FR810670A (en) Improvements to cathode ray tubes, particularly braun tubes
FR800413A (en) Improvements to discharge tubes
FR806693A (en) Improvements to discharge tubes
FR805294A (en) Improvements to cathode ray tubes