GB769401A - Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens - Google Patents

Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens

Info

Publication number
GB769401A
GB769401A GB1329/54A GB132954A GB769401A GB 769401 A GB769401 A GB 769401A GB 1329/54 A GB1329/54 A GB 1329/54A GB 132954 A GB132954 A GB 132954A GB 769401 A GB769401 A GB 769401A
Authority
GB
United Kingdom
Prior art keywords
wire
annulus
cathode ray
threads
winding
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
GB1329/54A
Other languages
English (en)
Inventor
Eric Davies
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 to NL193774D priority Critical patent/NL193774A/xx
Priority to NL99008D priority patent/NL99008C/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB1329/54A priority patent/GB769401A/en
Priority to ES0218620A priority patent/ES218620A1/es
Priority to FR1115306D priority patent/FR1115306A/fr
Priority to US476667A priority patent/US2748305A/en
Publication of GB769401A publication Critical patent/GB769401A/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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • 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

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB1329/54A 1954-01-15 1954-01-15 Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens Expired GB769401A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL193774D NL193774A (en:Method) 1954-01-15
NL99008D NL99008C (en:Method) 1954-01-15
GB1329/54A GB769401A (en) 1954-01-15 1954-01-15 Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens
ES0218620A ES218620A1 (es) 1954-01-15 1954-11-24 PERFECCIONAMIENTOS EN LOS TUBOS DE RAYOS CAToDICOS PARA TELEVISION Y FINES ANáLOGOS
FR1115306D FR1115306A (fr) 1954-01-15 1954-12-09 Perfectionnements aux tubes à rayons cathodiques pour la télévision et usages analogues
US476667A US2748305A (en) 1954-01-15 1954-12-21 Cathode ray tubes for television and like purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1329/54A GB769401A (en) 1954-01-15 1954-01-15 Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens

Publications (1)

Publication Number Publication Date
GB769401A true GB769401A (en) 1957-03-06

Family

ID=9720104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1329/54A Expired GB769401A (en) 1954-01-15 1954-01-15 Improvements in or relating to television and like cathode ray tube apparatus having magnetic screens

Country Status (5)

Country Link
US (1) US2748305A (en:Method)
ES (1) ES218620A1 (en:Method)
FR (1) FR1115306A (en:Method)
GB (1) GB769401A (en:Method)
NL (2) NL99008C (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834901A (en) * 1954-05-06 1958-05-13 Rca Corp Cathode ray tube adjunct
BE585351A (en:Method) * 1958-12-06
JPS63144505A (ja) * 1986-12-09 1988-06-16 Mitsubishi Electric Corp 漏洩磁界キヤンセル装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414925A (en) * 1944-01-26 1947-01-28 Farnsworth Television & Radio Scanning and focusing yoke
BE480460A (en:Method) * 1947-02-19

Also Published As

Publication number Publication date
NL99008C (en:Method)
US2748305A (en) 1956-05-29
FR1115306A (fr) 1956-04-23
NL193774A (en:Method)
ES218620A1 (es) 1955-04-16

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