GB684080A - Improvements in or relating to electron discharge tube apparatus - Google Patents

Improvements in or relating to electron discharge tube apparatus

Info

Publication number
GB684080A
GB684080A GB21747/51A GB2174751A GB684080A GB 684080 A GB684080 A GB 684080A GB 21747/51 A GB21747/51 A GB 21747/51A GB 2174751 A GB2174751 A GB 2174751A GB 684080 A GB684080 A GB 684080A
Authority
GB
United Kingdom
Prior art keywords
cathode
image
electron image
sept
focused
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
GB21747/51A
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.)
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
Publication of GB684080A publication Critical patent/GB684080A/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)
GB21747/51A 1950-09-18 1951-09-17 Improvements in or relating to electron discharge tube apparatus Expired GB684080A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB684080A true GB684080A (en) 1952-12-10

Family

ID=6090498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21747/51A Expired GB684080A (en) 1950-09-18 1951-09-17 Improvements in or relating to electron discharge tube apparatus

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120035B (de) * 1958-02-18 1961-12-21 Optische Ind Iade Oude Delftia Elektronen-optische Abbildungsvorrichtung

Also Published As

Publication number Publication date
NL89637C (is")
BE505894A (is")
FR1042121A (fr) 1953-10-29
CH296816A (de) 1954-02-28

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