GB853830A - Improvements relating to cathode-ray tubes - Google Patents

Improvements relating to cathode-ray tubes

Info

Publication number
GB853830A
GB853830A GB27285/58A GB2728558A GB853830A GB 853830 A GB853830 A GB 853830A GB 27285/58 A GB27285/58 A GB 27285/58A GB 2728558 A GB2728558 A GB 2728558A GB 853830 A GB853830 A GB 853830A
Authority
GB
United Kingdom
Prior art keywords
cathode
ray tubes
improvements relating
plates
aug
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
GB27285/58A
Inventor
Kenneth Collett Burn
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 NL242517D priority Critical patent/NL242517A/xx
Application filed by Ferranti PLC filed Critical Ferranti PLC
Priority to GB27285/58A priority patent/GB853830A/en
Priority to US834169A priority patent/US2975326A/en
Publication of GB853830A publication Critical patent/GB853830A/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only

Abstract

853,830. Cathode-ray tubes. FERRANTI Ltd. Aug. 21, 1959 [Aug. 26, 1958], No. 27285/58. Class 39(1). A cathode-ray tube has located between the pairs of deflector plates 4, 5 two apertured plates 6, 7 which are operated as an electron lens and which serve to adjust the sensitivity of the first pair of deflector plates. The apertures in the plates 6, 7 may be circular instead of rectangular.
GB27285/58A 1958-08-26 1958-08-26 Improvements relating to cathode-ray tubes Expired GB853830A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL242517D NL242517A (en) 1958-08-26
GB27285/58A GB853830A (en) 1958-08-26 1958-08-26 Improvements relating to cathode-ray tubes
US834169A US2975326A (en) 1958-08-26 1959-08-17 Cathode-ray tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27285/58A GB853830A (en) 1958-08-26 1958-08-26 Improvements relating to cathode-ray tubes

Publications (1)

Publication Number Publication Date
GB853830A true GB853830A (en) 1960-11-09

Family

ID=10257097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27285/58A Expired GB853830A (en) 1958-08-26 1958-08-26 Improvements relating to cathode-ray tubes

Country Status (3)

Country Link
US (1) US2975326A (en)
GB (1) GB853830A (en)
NL (1) NL242517A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588920A (en) * 1982-02-05 1986-05-13 U.S. Philips Corporation Display tube and an electron beam deflector therefor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL263646A (en) * 1960-04-16
US5339003A (en) * 1992-06-22 1994-08-16 Principia Optics, Inc. Laser screen for a cathode-ray tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114572A (en) * 1936-06-01 1938-04-19 Radio Inventions Inc Cathode ray ture system
US2572858A (en) * 1947-06-03 1951-10-30 Sylvania Electric Prod Electron optical system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588920A (en) * 1982-02-05 1986-05-13 U.S. Philips Corporation Display tube and an electron beam deflector therefor

Also Published As

Publication number Publication date
NL242517A (en)
US2975326A (en) 1961-03-14

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