GB439492A - Improvements in or relating to cathode ray apparatus - Google Patents

Improvements in or relating to cathode ray apparatus

Info

Publication number
GB439492A
GB439492A GB16175/34A GB1617534A GB439492A GB 439492 A GB439492 A GB 439492A GB 16175/34 A GB16175/34 A GB 16175/34A GB 1617534 A GB1617534 A GB 1617534A GB 439492 A GB439492 A GB 439492A
Authority
GB
United Kingdom
Prior art keywords
mandrel
cathode
relating
cathode ray
ray apparatus
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
GB16175/34A
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.)
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB439492A publication Critical patent/GB439492A/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
    • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Moulding By Coating Moulds (AREA)
GB16175/34A 1933-05-30 1934-05-30 Improvements in or relating to cathode ray apparatus Expired GB439492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US673572A US2099749A (en) 1933-05-30 1933-05-30 Electron tube

Publications (1)

Publication Number Publication Date
GB439492A true GB439492A (en) 1935-12-02

Family

ID=24703192

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16175/34A Expired GB439492A (en) 1933-05-30 1934-05-30 Improvements in or relating to cathode ray apparatus
GB33409/35A Expired GB440390A (en) 1933-05-30 1934-05-30 Improvements in or relating to cathode ray apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB33409/35A Expired GB440390A (en) 1933-05-30 1934-05-30 Improvements in or relating to cathode ray apparatus

Country Status (3)

Country Link
US (1) US2099749A (fr)
FR (1) FR773088A (fr)
GB (2) GB439492A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648118A (en) * 1948-11-25 1950-12-28 Frederick Henry Townsend Improvements in or relating to cathode ray tubes with magnetic deflection
BE502947A (fr) * 1950-05-02
US2690517A (en) * 1952-09-30 1954-09-28 Rca Corp Plural beam electron gun
US2986668A (en) * 1957-12-23 1961-05-30 Gen Dynamics Corp Cathode ray tube optical system
US3163794A (en) * 1960-06-20 1964-12-29 Philco Corp Deflection yoke with separable portions for crt with constricted neck
NL7704130A (nl) * 1977-04-15 1978-10-17 Philips Nv Kleurenbeeldbuis.

Also Published As

Publication number Publication date
GB440390A (en) 1935-12-30
US2099749A (en) 1937-11-23
FR773088A (fr) 1934-11-10

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