GB458401A - Improvements in or relating to television cathode ray tubes - Google Patents

Improvements in or relating to television cathode ray tubes

Info

Publication number
GB458401A
GB458401A GB11941/35A GB1194135A GB458401A GB 458401 A GB458401 A GB 458401A GB 11941/35 A GB11941/35 A GB 11941/35A GB 1194135 A GB1194135 A GB 1194135A GB 458401 A GB458401 A GB 458401A
Authority
GB
United Kingdom
Prior art keywords
ray
screen
aperture
image point
plates
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
GB11941/35A
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.)
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
Publication of GB458401A publication Critical patent/GB458401A/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
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • 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

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
GB11941/35A 1934-04-20 1935-04-18 Improvements in or relating to television cathode ray tubes Expired GB458401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE458401X 1934-04-20

Publications (1)

Publication Number Publication Date
GB458401A true GB458401A (en) 1936-12-18

Family

ID=6539435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11941/35A Expired GB458401A (en) 1934-04-20 1935-04-18 Improvements in or relating to television cathode ray tubes

Country Status (4)

Country Link
US (1) US2123160A (enrdf_load_stackoverflow)
BE (1) BE409049A (enrdf_load_stackoverflow)
FR (1) FR46095E (enrdf_load_stackoverflow)
GB (1) GB458401A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771566A (en) * 1953-01-09 1956-11-20 Itt Cathode ray electron discharge device

Also Published As

Publication number Publication date
BE409049A (enrdf_load_stackoverflow)
FR46095E (fr) 1936-02-15
US2123160A (en) 1938-07-05

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