BE514227A - - Google Patents

Info

Publication number: BE514227A
Authority: BE; Belgium

Application number

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.)

1951-09-26

Publication of BE514227A publication Critical patent/BE514227A/xx

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
- 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
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- 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
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/702—Convergence correction arrangements therefor
- H01J29/703—Static convergence systems

BE514227D 1951-09-26 BE514227A (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US248357A US2721287A (en)	1951-09-26	1951-09-26	Multiple beam gun

Publications (1)

Publication Number	Publication Date
BE514227A true BE514227A (it)

Family

ID=22938745

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE514227D BE514227A (it)	1951-09-26

Country Status (5)

Country	Link
US (1)	US2721287A (it)
BE (1)	BE514227A (it)
FR (1)	FR1065703A (it)
GB (1)	GB721571A (it)
NL (2)	NL91128C (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2957106A (en) *	1954-08-12	1960-10-18	Rca Corp	Plural beam gun
DE1051416B (de) *	1955-01-17	1959-02-26	Loewe Opta Ag	Elektronenstrahlroehre, vorzugsweise Fernsehbildroehre
US3013179A (en) *	1958-05-01	1961-12-12	Gen Electric	System for producing high charge density electron beam
NL285641A (it) *	1961-11-20
US3560780A (en) *	1968-05-27	1971-02-02	Itt	Vacuum tube with coaxial assembly of electrostatic focusing means and electron gun mount
US3546525A (en) *	1969-01-21	1970-12-08	Sony Corp	Electron gun electrical connection apparatus
JPS4919349B1 (it) *	1969-08-23	1974-05-16
US4338541A (en) *	1979-12-07	1982-07-06	International Business Machines Corporation	Multiple beam cathode ray tube having reduced off-axis aberrations
US6465944B1 (en)	2000-05-26	2002-10-15	Sarnoff Corporation	Space-saving cathode ray tube employing a six-pole neck coil
US6870331B2 (en) *	2000-05-31	2005-03-22	Sarnoff Corporation	Space-saving cathode ray tube employing a non-self-converging deflection yoke

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2035623A (en) *	1930-04-15	1936-03-31	Thomas W Sukumlyn	Vacuum tube device
DE704803C (de) *	1931-04-25	1941-04-07	Ernst Ruska Dr Ing	Einrichtung zur Erzeugung eines oder mehrerer Elektronenstrahlbuendel ohne Gaskonzentration mittels Gluehkathode
US1979392A (en) *	1931-05-04	1934-11-06	Siemens Ag	Cathode ray tube
CH169756A (de) *	1932-12-20	1934-06-15	Berger Karl Ing Dr	Mehrfach-Kathodenstrahl-Oszillograph.
US2163256A (en) *	1934-09-18	1939-06-20	Du Mont Allen B Lab Inc	Cathode ray tube
GB481094A (en) *	1936-06-04	1938-03-04	British Thomson Houston Co Ltd	Improvements in and relating to cathode ray devices
GB609480A (en) *	1944-09-30	1948-10-01	Otto Ernst Heinrich Klemperer	Improvements in or relating to a electron discharge apparatus in which a flattened or ribbon-shaped electron beam is employed
US2457175A (en) *	1946-12-19	1948-12-28	Fed Telecomm Lab Inc	Projection cathode-ray tube
US2547415A (en) *	1948-10-16	1951-04-03	Electronic Tube Corp	Electrode assembly for cathode-ray tubes

0
- BE BE514227D patent/BE514227A/xx unknown
- NL NLAANVRAGE7018050,A patent/NL172717B/xx unknown
- NL NL91128D patent/NL91128C/xx active
1951
- 1951-09-26 US US248357A patent/US2721287A/en not_active Expired - Lifetime
1952
- 1952-08-28 FR FR1065703D patent/FR1065703A/fr not_active Expired
- 1952-09-10 GB GB22765/52A patent/GB721571A/en not_active Expired

Also Published As

Publication number	Publication date
US2721287A (en)	1955-10-18
FR1065703A (fr)	1954-05-28
NL172717B (nl)
GB721571A (en)	1955-01-05
NL91128C (it)

Publication	Publication Date	Title
AT175432B (it)
AT190786B (it)	1957-07-25
FR1581142A (it)	1969-09-12
AT197970B (it)	1958-05-27
FR976101A (it)	1951-03-14
AT195616B (it)	1958-02-25
AT192177A (it)	1957-10-10
BE500688A (it)
NL75333C (it)
BE501371A (it)
BE480026A (it)
BE466790A (it)
NL91128C (it)
BE501021A (it)
BE491015A (it)
BE491096A (it)
BE494945A (it)
BE501372A (it)
BE501417A (it)
BE498467A (it)
BE498982A (it)
BE500297A (it)
BE500588A (it)
BE501330A (it)
BE501420A (it)