FR1049041A - Perfectionnement aux tubes à rayons cathodiques - Google Patents

Perfectionnement aux tubes à rayons cathodiques

Info

Publication number
FR1049041A
FR1049041A FR1049041DA FR1049041A FR 1049041 A FR1049041 A FR 1049041A FR 1049041D A FR1049041D A FR 1049041DA FR 1049041 A FR1049041 A FR 1049041A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
further training
training
tubes
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)
Inventor
Elie Droche
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR1049041A publication Critical patent/FR1049041A/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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
FR1049041D 1952-01-11 1952-01-11 Perfectionnement aux tubes à rayons cathodiques Expired FR1049041A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1049041T 1952-01-11

Publications (1)

Publication Number Publication Date
FR1049041A true FR1049041A (fr) 1953-12-28

Family

ID=9593488

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1021747D Expired FR1021747A (fr) 1952-01-11 1950-07-10 Perfectionnements aux tubes à rayons cathodiques
FR1049041D Expired FR1049041A (fr) 1952-01-11 1952-01-11 Perfectionnement aux tubes à rayons cathodiques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1021747D Expired FR1021747A (fr) 1952-01-11 1950-07-10 Perfectionnements aux tubes à rayons cathodiques

Country Status (1)

Country Link
FR (2) FR1021747A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884559A (en) * 1956-09-07 1959-04-28 Bell Telephone Labor Inc Electron lens systems

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7804518A (nl) * 1978-04-27 1979-10-30 Philips Nv Kathodestraalbuis.
KR20030029794A (ko) * 2001-06-01 2003-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 전자 총, 음극선관, 및 화상 디스플레이 디바이스

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884559A (en) * 1956-09-07 1959-04-28 Bell Telephone Labor Inc Electron lens systems

Also Published As

Publication number Publication date
FR1021747A (fr) 1953-02-23

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