GB699739A - Improvements relating to cathode ray tubes - Google Patents

Improvements relating to cathode ray tubes

Info

Publication number
GB699739A
GB699739A GB10994/50A GB1099450A GB699739A GB 699739 A GB699739 A GB 699739A GB 10994/50 A GB10994/50 A GB 10994/50A GB 1099450 A GB1099450 A GB 1099450A GB 699739 A GB699739 A GB 699739A
Authority
GB
United Kingdom
Prior art keywords
bolts
magnetic
strips
members
cathode
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
GB10994/50A
Other languages
English (en)
Inventor
Ronald Charles Hall
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 NL75013D priority Critical patent/NL75013C/xx
Priority to NL7001047.A priority patent/NL160744B/xx
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB10994/50A priority patent/GB699739A/en
Priority to DEE3678A priority patent/DE947253C/de
Priority to ES0197689A priority patent/ES197689A1/es
Priority to US223857A priority patent/US2717324A/en
Priority to FR1036410D priority patent/FR1036410A/fr
Publication of GB699739A publication Critical patent/GB699739A/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
    • H01J29/54—Arrangements for centring ray or beam

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Particle Accelerators (AREA)
GB10994/50A 1950-05-04 1950-05-04 Improvements relating to cathode ray tubes Expired GB699739A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL75013D NL75013C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1950-05-04
NL7001047.A NL160744B (nl) 1950-05-04 Buigbewerkingsinrichting.
GB10994/50A GB699739A (en) 1950-05-04 1950-05-04 Improvements relating to cathode ray tubes
DEE3678A DE947253C (de) 1950-05-04 1951-04-29 Kathodenstrahlroehre mit einem magnetischen Fokussierungssystem
ES0197689A ES197689A1 (es) 1950-05-04 1951-05-01 PERFECCIONAMIENTOS EN TUBOS DE RAYOS CAToDICOS
US223857A US2717324A (en) 1950-05-04 1951-05-01 Cathode ray tubes
FR1036410D FR1036410A (fr) 1950-05-04 1951-05-02 Perfectionnements aux tubes à rayons cathodiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10994/50A GB699739A (en) 1950-05-04 1950-05-04 Improvements relating to cathode ray tubes

Publications (1)

Publication Number Publication Date
GB699739A true GB699739A (en) 1953-11-18

Family

ID=9978084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10994/50A Expired GB699739A (en) 1950-05-04 1950-05-04 Improvements relating to cathode ray tubes

Country Status (6)

Country Link
US (1) US2717324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE947253C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES197689A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1036410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB699739A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL75013C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB731451A (en) * 1952-10-23 1955-06-08 Dennis Henry Covill Improvements in or relating to arrangements for use with cathode ray tubes
US2937309A (en) * 1954-04-07 1960-05-17 Telefunken Gmbh Electron discharge tube
US2889477A (en) * 1955-06-16 1959-06-02 Sylvania Electric Prod Clamp and mounting arrangement
DE1144407B (de) * 1960-03-24 1963-02-28 Telefunken Patent Einrichtung zur Vermeidung von Verzerrungen des Leuchtfleckes bei Kathodenstrahlroehren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102421A (en) * 1934-07-12 1937-12-14 Gen Electric Cathode ray oscillograph
GB492167A (en) * 1937-03-10 1938-09-12 Hans Gfrhard Lubszynski Improvements in or relating to electro-optical image converting or transmitting arrangements
US2234720A (en) * 1939-08-10 1941-03-11 Gen Electric Electron discharge apparatus
US2416687A (en) * 1944-03-30 1947-03-04 Bell Telephone Labor Inc Magnetic focussing device
BE470596A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1946-02-27
US2501516A (en) * 1947-12-31 1950-03-21 Gen Electric Deflecting and focusing device for cathode-ray apparatus
US2513929A (en) * 1948-05-21 1950-07-04 Gen Electric Beam centering device for cathode-ray tubes
US2539156A (en) * 1949-01-19 1951-01-23 Tele Tone Radio Corp Ion trap magnet
US2533689A (en) * 1950-06-28 1950-12-12 Quam Nichols Company Magnetic focusing device

Also Published As

Publication number Publication date
US2717324A (en) 1955-09-06
ES197689A1 (es) 1953-07-01
FR1036410A (fr) 1953-09-08
NL75013C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE947253C (de) 1956-08-16
NL160744B (nl)

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