GB754261A - Dual focus cathode-ray tubes - Google Patents

Dual focus cathode-ray tubes

Info

Publication number
GB754261A
GB754261A GB11553/54A GB1155354A GB754261A GB 754261 A GB754261 A GB 754261A GB 11553/54 A GB11553/54 A GB 11553/54A GB 1155354 A GB1155354 A GB 1155354A GB 754261 A GB754261 A GB 754261A
Authority
GB
United Kingdom
Prior art keywords
beams
diaphragms
colour
viewing screen
tube
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
GB11553/54A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB754261A publication Critical patent/GB754261A/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
    • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • H01J31/201—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
    • H01J31/203—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam
    • H01J31/205—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam with three electron beams in delta configuration
    • 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
    • H01J29/462—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement arrangements for interrupting the beam during inoperative periods

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
GB11553/54A 1953-04-30 1954-04-21 Dual focus cathode-ray tubes Expired GB754261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US352239A US2747134A (en) 1953-04-30 1953-04-30 Dual focus cathode-ray tubes

Publications (1)

Publication Number Publication Date
GB754261A true GB754261A (en) 1956-08-08

Family

ID=23384339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11553/54A Expired GB754261A (en) 1953-04-30 1954-04-21 Dual focus cathode-ray tubes

Country Status (5)

Country Link
US (1) US2747134A (US06291589-20010918-C00001.png)
BE (1) BE528430A (US06291589-20010918-C00001.png)
FR (1) FR1103573A (US06291589-20010918-C00001.png)
GB (1) GB754261A (US06291589-20010918-C00001.png)
NL (1) NL187195B (US06291589-20010918-C00001.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850658A (en) * 1956-02-21 1958-09-02 Rca Corp Non-symmetrical cathodes in cathode ray tubes
US2850659A (en) * 1956-02-23 1958-09-02 Rca Corp Color-kinescopes, etc.
NL215405A (US06291589-20010918-C00001.png) * 1956-03-16
NL113454C (US06291589-20010918-C00001.png) * 1957-12-11
FR1392502A (fr) * 1963-10-30 1965-03-19 Cft Comp Fse Television Fonctionnement aux tubes récepteurs de télévision en couleurs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2595548A (en) * 1947-02-24 1952-05-06 Rca Corp Picture reproducing apparatus
US2609516A (en) * 1950-10-31 1952-09-02 Rca Corp Art of forming and utilizing electron-beams of noncircular cross section
US2659026A (en) * 1951-04-12 1953-11-10 Rca Corp Cathode-ray tube of the masked target variety

Also Published As

Publication number Publication date
BE528430A (US06291589-20010918-C00001.png)
NL187195B (nl)
FR1103573A (fr) 1955-11-04
US2747134A (en) 1956-05-22

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