FR1331823A - Improvements to electronic optical devices - Google Patents

Improvements to electronic optical devices

Info

Publication number
FR1331823A
FR1331823A FR907460A FR907460A FR1331823A FR 1331823 A FR1331823 A FR 1331823A FR 907460 A FR907460 A FR 907460A FR 907460 A FR907460 A FR 907460A FR 1331823 A FR1331823 A FR 1331823A
Authority
FR
France
Prior art keywords
optical devices
electronic optical
electronic
devices
optical
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
FR907460A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority claimed from US133221A external-priority patent/US3223871A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR907460A priority Critical patent/FR1331823A/en
Application granted granted Critical
Publication of FR1331823A publication Critical patent/FR1331823A/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
FR907460A 1961-08-22 1962-08-22 Improvements to electronic optical devices Expired FR1331823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR907460A FR1331823A (en) 1961-08-22 1962-08-22 Improvements to electronic optical devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US133221A US3223871A (en) 1961-08-22 1961-08-22 Electron optical system
FR907460A FR1331823A (en) 1961-08-22 1962-08-22 Improvements to electronic optical devices

Publications (1)

Publication Number Publication Date
FR1331823A true FR1331823A (en) 1963-07-05

Family

ID=26197189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907460A Expired FR1331823A (en) 1961-08-22 1962-08-22 Improvements to electronic optical devices

Country Status (1)

Country Link
FR (1) FR1331823A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2288386A1 (en) * 1974-10-14 1976-05-14 Balandin Genrikh CRT with constant magnetic focussing field - has electrostatic field to compensate variations in magnetic focussing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2288386A1 (en) * 1974-10-14 1976-05-14 Balandin Genrikh CRT with constant magnetic focussing field - has electrostatic field to compensate variations in magnetic focussing

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