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FR1042121A - Large area cathode with magnetic device - Google Patents

Large area cathode with magnetic device

Info

Publication number
FR1042121A
FR1042121A FR1042121DA FR1042121A FR 1042121 A FR1042121 A FR 1042121A FR 1042121D A FR1042121D A FR 1042121DA FR 1042121 A FR1042121 A FR 1042121A
Authority
FR
France
Prior art keywords
large area
magnetic device
area cathode
cathode
magnetic
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh 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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR1042121A publication Critical patent/FR1042121A/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
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
FR1042121D 1950-09-18 1951-09-12 Large area cathode with magnetic device Expired FR1042121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE296816X 1950-09-18

Publications (1)

Publication Number Publication Date
FR1042121A true FR1042121A (en) 1953-10-29

Family

ID=6090498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042121D Expired FR1042121A (en) 1950-09-18 1951-09-12 Large area cathode with magnetic device

Country Status (5)

Country Link
BE (1) BE505894A (en)
CH (1) CH296816A (en)
FR (1) FR1042121A (en)
GB (1) GB684080A (en)
NL (1) NL89637C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120035B (en) * 1958-02-18 1961-12-21 Optische Ind Iade Oude Delftia Electron-optical imaging device

Also Published As

Publication number Publication date
BE505894A (en)
NL89637C (en)
CH296816A (en) 1954-02-28
GB684080A (en) 1952-12-10

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