FR45657E - Cathode ray tube - Google Patents

Cathode ray tube

Info

Publication number
FR45657E
FR45657E FR45657DA FR45657E FR 45657 E FR45657 E FR 45657E FR 45657D A FR45657D A FR 45657DA FR 45657 E FR45657 E FR 45657E
Authority
FR
France
Prior art keywords
ray tube
cathode ray
cathode
tube
ray
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
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR45657E publication Critical patent/FR45657E/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
    • 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
FR45657D 1933-12-09 1934-12-08 Cathode ray tube Expired FR45657E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215764X 1933-12-09

Publications (1)

Publication Number Publication Date
FR45657E true FR45657E (en) 1935-11-13

Family

ID=5825664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45657D Expired FR45657E (en) 1933-12-09 1934-12-08 Cathode ray tube

Country Status (5)

Country Link
US (1) US2226107A (en)
BE (1) BE406706A (en)
CH (1) CH215764A (en)
FR (1) FR45657E (en)
GB (2) GB453270A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436833A (en) * 1942-06-15 1948-03-02 Int Standard Electric Corp High density beam tube
US2792515A (en) * 1951-06-22 1957-05-14 Thomas Electrics Inc Cathode ray tube
US2597363A (en) * 1951-06-29 1952-05-20 Ibm Cathode-ray storage tube
US2769115A (en) * 1951-08-20 1956-10-30 Russell J Callender Method and means for producing high degree television picture brilliance
US2919378A (en) * 1953-02-18 1959-12-29 Loewe Opta Ag Static electronic lens for electron beam valves
US2911563A (en) * 1957-04-24 1959-11-03 Westinghouse Electric Corp Electrostatic lens and deflection system
US3863091A (en) * 1972-12-29 1975-01-28 Hitachi Ltd Electron gun assembly with improved unitary lens system

Also Published As

Publication number Publication date
CH215764A (en) 1941-07-15
GB453223A (en) 1936-09-08
BE406706A (en)
US2226107A (en) 1940-12-24
GB453270A (en) 1936-09-08

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