FR922408A - Lentille électronique - Google Patents

Lentille électronique

Info

Publication number
FR922408A
FR922408A FR922408DA FR922408A FR 922408 A FR922408 A FR 922408A FR 922408D A FR922408D A FR 922408DA FR 922408 A FR922408 A FR 922408A
Authority
FR
France
Prior art keywords
electronic lens
lens
electronic
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
English (en)
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.)
Electrical and Musical Industries Ltd
Original Assignee
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 Electrical and Musical Industries Ltd filed Critical Electrical and Musical Industries Ltd
Application granted granted Critical
Publication of FR922408A publication Critical patent/FR922408A/fr
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
FR922408D 1942-04-08 1945-11-09 Lentille électronique Expired FR922408A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4628/42A GB574056A (en) 1942-04-08 1942-04-08 Improvements in electron lenses

Publications (1)

Publication Number Publication Date
FR922408A true FR922408A (fr) 1947-06-09

Family

ID=9780752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922408D Expired FR922408A (fr) 1942-04-08 1945-11-09 Lentille électronique

Country Status (4)

Country Link
US (1) US2412687A (de)
FR (1) FR922408A (de)
GB (1) GB574056A (de)
NL (1) NL82605C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439475A1 (fr) * 1978-10-18 1980-05-16 Iwatsu Electric Co Ltd Tube a rayons cathodiques a post-acceleration avec lentille pour expansion du balayage

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455676A (en) * 1946-05-21 1948-12-07 Rca Corp Electron lens correction device
US2647213A (en) * 1946-06-14 1953-07-28 Atomic Energy Commission Isotope separating apparatus
DE1050455B (de) * 1953-12-15 1959-02-12
BE536427A (de) * 1954-03-11
NL151555B (nl) * 1967-11-11 1976-11-15 Philips Nv Elektronenstraalbuis voor het weergeven van gekleurde beelden.
US3873879A (en) * 1972-01-14 1975-03-25 Rca Corp In-line electron gun
BE793992A (fr) * 1972-01-14 1973-05-02 Rca Corp Tube a rayons cathodiques
NL7607722A (nl) * 1976-07-13 1978-01-17 Philips Nv Astigmatische elektronenlens, kathodestraal- buis met een dergelijke lens en inrichting met een dergelijke kathodestraalbuis.
US4137479A (en) * 1977-01-06 1979-01-30 Tektronix, Inc. Cathode ray tube having an electron lens system including a meshless scan expansion post deflection acceleration lens
US4142128A (en) * 1977-04-18 1979-02-27 Tektronix, Inc. Box-shaped scan expansion lens for cathode ray tube
GB2135503B (en) * 1982-12-27 1986-08-06 Tektronix Inc Accelerating and scan expansion electron lens system
US4543508A (en) * 1983-04-12 1985-09-24 Iwatsu Electric Co., Ltd. Cathode ray tube with an electron lens for deflection amplification
US20090121149A1 (en) * 2007-11-09 2009-05-14 Varian Semiconductor Equipment Associates, Inc. Techniques for shaping an ion beam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439475A1 (fr) * 1978-10-18 1980-05-16 Iwatsu Electric Co Ltd Tube a rayons cathodiques a post-acceleration avec lentille pour expansion du balayage

Also Published As

Publication number Publication date
GB574056A (en) 1945-12-19
NL82605C (de)
US2412687A (en) 1946-12-17

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