FR1001051A - Dispositif à lentilles électroniques électrostatiques - Google Patents

Dispositif à lentilles électroniques électrostatiques

Info

Publication number
FR1001051A
FR1001051A FR1001051DA FR1001051A FR 1001051 A FR1001051 A FR 1001051A FR 1001051D A FR1001051D A FR 1001051DA FR 1001051 A FR1001051 A FR 1001051A
Authority
FR
France
Prior art keywords
lens device
electronic lens
electrostatic electronic
electrostatic
lens
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)
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 FR1001051A publication Critical patent/FR1001051A/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
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system
FR1001051D 1948-12-10 1949-12-06 Dispositif à lentilles électroniques électrostatiques Expired FR1001051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31955/48A GB655966A (en) 1948-12-10 1948-12-10 Improvements in or relating to electrostatic electron lens systems

Publications (1)

Publication Number Publication Date
FR1001051A true FR1001051A (fr) 1952-02-19

Family

ID=10330866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1001051D Expired FR1001051A (fr) 1948-12-10 1949-12-06 Dispositif à lentilles électroniques électrostatiques

Country Status (5)

Country Link
US (1) US2539370A (fr)
DE (1) DE809449C (fr)
FR (1) FR1001051A (fr)
GB (1) GB655966A (fr)
NL (1) NL150232B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859377A (en) * 1955-09-21 1958-11-04 John E Clemens Electronic high speed shutter
NL288559A (fr) * 1962-05-14
NL7115320A (fr) * 1971-11-06 1973-05-08
NL8304444A (nl) * 1983-12-27 1985-07-16 Philips Nv Beeldbuis.
CN104902358B (zh) * 2015-06-08 2019-01-18 歌尔股份有限公司 一种扬声器模组

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB429854A (en) * 1934-03-19 1935-06-07 James Dwyer Mcgee Improvements in or relating to cathode ray tubes
US2131185A (en) * 1935-03-01 1938-09-27 Telefunken Gmbh Electrooptical device
US2189321A (en) * 1936-10-28 1940-02-06 Rca Corp Electro-optical device
GB489428A (en) * 1936-12-24 1938-07-25 Frederick Hermes Nicoll Improvements in or relating to electron mirrors
US2185378A (en) * 1937-06-26 1940-01-02 Rca Corp Electron gun for cathode ray tubes
BE428830A (fr) * 1937-06-29
US2320582A (en) * 1939-11-08 1943-06-01 Flechsig Werner Cathode ray tube

Also Published As

Publication number Publication date
NL150232B (nl)
GB655966A (en) 1951-08-08
US2539370A (en) 1951-01-23
DE809449C (de) 1951-07-30

Similar Documents

Publication Publication Date Title
FR984800A (fr) Dispositif à tarauder
FR980648A (fr) Dispositif électromagnétique
FR998311A (fr) Dispositif de tube à décharge électronique
FR1003958A (fr) Dispositif à décharge électronique
FR975726A (fr) Tube-caméra électronique
FR983782A (fr) Dispositif à décharge électronique
FR990402A (fr) Dispositif à décharge électronique
FR1001051A (fr) Dispositif à lentilles électroniques électrostatiques
FR975875A (fr) Dispositif à décharge électronique
CH315680A (fr) Dispositif élastique
FR987197A (fr) Dispositif thermorégulateur
FR986294A (fr) Dispositif de visée reflex
FR986392A (fr) Dispositif à décharges électriques
FR984174A (fr) Dispositif à décharge électronique
FR992080A (fr) Dispositif à décharge électronique
FR997689A (fr) Dispositif de soudure à galets
FR1010980A (fr) Dispositif à usage de réflecteur
FR1007421A (fr) Dispositif de refroidissement
FR1007031A (fr) Obturateur photographique
FR58608E (fr) Obturateur photographique
FR965935A (fr) Dispositif de coffrage
FR998010A (fr) Dispositif oscillant
FR1010570A (fr) Dispositif piézo-électrique
FR1010436A (fr) Dispositif anti-mouches
FR998123A (fr) Objectif photographique