FR1127986A - Perfectionnement aux canons électroniques des tubes à mémoire - Google Patents

Perfectionnement aux canons électroniques des tubes à mémoire

Info

Publication number
FR1127986A
FR1127986A FR1127986DA FR1127986A FR 1127986 A FR1127986 A FR 1127986A FR 1127986D A FR1127986D A FR 1127986DA FR 1127986 A FR1127986 A FR 1127986A
Authority
FR
France
Prior art keywords
improvement
electron guns
memory tubes
tubes
memory
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1127986A publication Critical patent/FR1127986A/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
    • 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
    • H01J31/58—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output
    • H01J31/60—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen
FR1127986D 1955-06-16 1955-06-16 Perfectionnement aux canons électroniques des tubes à mémoire Expired FR1127986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1119421X 1955-06-16

Publications (1)

Publication Number Publication Date
FR1127986A true FR1127986A (fr) 1956-12-28

Family

ID=9631001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1127986D Expired FR1127986A (fr) 1955-06-16 1955-06-16 Perfectionnement aux canons électroniques des tubes à mémoire

Country Status (4)

Country Link
US (1) US2931937A (fr)
DE (1) DE1119421B (fr)
FR (1) FR1127986A (fr)
GB (1) GB795627A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458752A (en) * 1965-04-02 1969-07-29 Burroughs Corp Method and apparatus for improving the performance of electrostatic printing tubes
US3470414A (en) * 1968-05-27 1969-09-30 Westinghouse Electric Corp Direct view storage system
US3569770A (en) * 1968-05-28 1971-03-09 Us Navy Selective fast erase dark trace scan converter
US3798478A (en) * 1972-09-14 1974-03-19 Gte Sylvania Inc Multibeam cathode ray tube having a common beam limiting aperture therein
JPS5444193B2 (fr) * 1973-10-11 1979-12-24
US3995194A (en) * 1974-08-02 1976-11-30 Zenith Radio Corporation Electron gun having an extended field electrostatic focus lens
US4058753A (en) * 1974-08-02 1977-11-15 Zenith Radio Corporation Electron gun having an extended field beam focusing and converging lens
US4302612A (en) * 1976-07-15 1981-11-24 Polaroid Corporation Synthesis of perfluorodialdehydes
NL7711392A (nl) * 1977-10-18 1979-04-20 Philips Nv Inrichting met een kamerabuis.
US4277722A (en) * 1978-02-15 1981-07-07 Tektronix, Inc. Cathode ray tube having low voltage focus and dynamic correction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276359A (en) * 1938-09-10 1942-03-17 Ardenne Manfred Von Television image projection device
US2535817A (en) * 1942-09-14 1950-12-26 Nat Union Radio Corp Electrooptical dark trace storage tube
US2454652A (en) * 1943-06-26 1948-11-23 Rca Corp Cathode-ray storage tube
US2532339A (en) * 1946-05-09 1950-12-05 Columbia Broadcasting Syst Inc Cathode-ray tube receiving system
NL146601B (nl) * 1948-05-22 Vdo Schindling Buisveer voor een drukmeettoestel.
GB705508A (en) * 1951-01-09 1954-03-17 Nat Res Dev Improvements in or relating to electrostatic storage of information
NL101757C (fr) * 1952-04-25
DE928480C (de) * 1953-01-22 1955-06-02 Loewe Opta Ag Konzentrier-Einrichtung fuer Elektronenstrahlroehren mit statischen Konzentriermitteln
US2728872A (en) * 1953-10-23 1955-12-27 Hughes Aircraft Co Direct-viewing storage tube with character writing electron gun
US2884557A (en) * 1954-07-01 1959-04-28 Ibm Apparatus, including an electrostatic type storage tube, for storing digital information

Also Published As

Publication number Publication date
US2931937A (en) 1960-04-05
DE1119421B (de) 1961-12-14
GB795627A (en) 1958-05-28

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