FR1103573A - Tube à rayon cathodique à double concentration - Google Patents

Tube à rayon cathodique à double concentration

Info

Publication number
FR1103573A
FR1103573A FR1103573DA FR1103573A FR 1103573 A FR1103573 A FR 1103573A FR 1103573D A FR1103573D A FR 1103573DA FR 1103573 A FR1103573 A FR 1103573A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
concentration cathode
dual concentration
dual
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
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
Application granted granted Critical
Publication of FR1103573A publication Critical patent/FR1103573A/fr
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
FR1103573D 1953-04-30 1954-04-23 Tube à rayon cathodique à double concentration Expired FR1103573A (fr)

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
FR1103573A true FR1103573A (fr) 1955-11-04

Family

ID=23384339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1103573D Expired FR1103573A (fr) 1953-04-30 1954-04-23 Tube à rayon cathodique à double concentration

Country Status (5)

Country Link
US (1) US2747134A (fr)
BE (1) BE528430A (fr)
FR (1) FR1103573A (fr)
GB (1) GB754261A (fr)
NL (1) NL187195B (fr)

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 (fr) * 1956-03-16
NL223160A (fr) * 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
US2747134A (en) 1956-05-22
NL187195B (nl)
GB754261A (en) 1956-08-08
BE528430A (fr)

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