GB838437A - Improvements relating to cathode ray tubes - Google Patents

Improvements relating to cathode ray tubes

Info

Publication number
GB838437A
GB838437A GB22513/56A GB2251356A GB838437A GB 838437 A GB838437 A GB 838437A GB 22513/56 A GB22513/56 A GB 22513/56A GB 2251356 A GB2251356 A GB 2251356A GB 838437 A GB838437 A GB 838437A
Authority
GB
United Kingdom
Prior art keywords
ray tubes
tube
cathode ray
cathode
improvements relating
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
GB22513/56A
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of GB838437A publication Critical patent/GB838437A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/123—Flat display tubes
    • H01J31/124—Flat display tubes using electron beam scanning

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

838,437. Cathode-ray tubes. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 20, 1956 [Aug. 1, 1955], No. 22513/56. Class 39(1). In a " flat " cathode-ray tube 22 in which the beam is projected by gun 12 along a marginal edge of a luminescent screen and deflected first vertically and then horizontally into impact with the screen, the picture is straightened up by a magnet having pole-pieces 23 on either side of the tube. A permanent or electromagnet may be used, and the pole-pieces may be spaced apart at a greater distance at one end or may vary in width from one end to the other. The magnet may be tilted with respect to the tube to obtain the proper adjustment. Specifications 794,257 and 801,841 are referred to.
GB22513/56A 1955-08-01 1956-07-20 Improvements relating to cathode ray tubes Expired GB838437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US525649A US2937315A (en) 1955-08-01 1955-08-01 Electronic device

Publications (1)

Publication Number Publication Date
GB838437A true GB838437A (en) 1960-06-22

Family

ID=24094085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22513/56A Expired GB838437A (en) 1955-08-01 1956-07-20 Improvements relating to cathode ray tubes

Country Status (3)

Country Link
US (1) US2937315A (en)
FR (1) FR1155313A (en)
GB (1) GB838437A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB499848A (en) * 1936-04-25 1939-01-30 British Thomson Houston Co Ltd Improvements relating to the control of electronic rays
US2211613A (en) * 1936-08-14 1940-08-13 Hygrade Sylvania Corp Cathode ray tube
GB498511A (en) * 1937-05-01 1939-01-02 Otto Klemperer Method of deflecting an electron beam
US2289319A (en) * 1940-12-31 1942-07-07 Howard M Strobel Orientation high frequency generator
US2395647A (en) * 1941-08-14 1946-02-26 Howard M Strobel Group impulsed high-frequency generator
US2348133A (en) * 1942-09-29 1944-05-02 Rca Corp Method and apparatus for developing electron beams
BE463651A (en) * 1945-03-07
US2513742A (en) * 1947-08-08 1950-07-04 Pinciroli Andrea Oscillographic cathode-ray tube with cylindrical fluorescent screen

Also Published As

Publication number Publication date
US2937315A (en) 1960-05-17
FR1155313A (en) 1958-04-25

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