DE3064966D1 - Multiple beam cathode ray tube having improved cathode-grid structure - Google Patents

Multiple beam cathode ray tube having improved cathode-grid structure

Info

Publication number
DE3064966D1
DE3064966D1 DE8080106633T DE3064966T DE3064966D1 DE 3064966 D1 DE3064966 D1 DE 3064966D1 DE 8080106633 T DE8080106633 T DE 8080106633T DE 3064966 T DE3064966 T DE 3064966T DE 3064966 D1 DE3064966 D1 DE 3064966D1
Authority
DE
Germany
Prior art keywords
cathode
ray tube
grid structure
multiple beam
improved
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
DE8080106633T
Other languages
English (en)
Inventor
Vernon David Beck
Bruce Paul Piggin
Arthur Edwin Uber
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3064966D1 publication Critical patent/DE3064966D1/de
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
    • H01J29/48—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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • 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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
    • 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
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/128—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digitally controlled display tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/505—Arrays
DE8080106633T 1979-12-12 1980-10-29 Multiple beam cathode ray tube having improved cathode-grid structure Expired DE3064966D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/102,794 US4301389A (en) 1979-12-12 1979-12-12 Multiple beam cathode ray tube with apertured cathode and control grid

Publications (1)

Publication Number Publication Date
DE3064966D1 true DE3064966D1 (en) 1983-10-27

Family

ID=22291701

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080106633T Expired DE3064966D1 (en) 1979-12-12 1980-10-29 Multiple beam cathode ray tube having improved cathode-grid structure

Country Status (6)

Country Link
US (1) US4301389A (de)
EP (1) EP0030613B1 (de)
JP (1) JPS5842933B2 (de)
CA (1) CA1135323A (de)
DE (1) DE3064966D1 (de)
IT (1) IT1149949B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8304444A (nl) * 1983-12-27 1985-07-16 Philips Nv Beeldbuis.
DE19746269C2 (de) * 1997-10-20 2002-12-05 Siemens Ag Verfahren zur Ermittlung einer für den nachfolgenden Betrieb einer Videoröhre erforderlichen G1-Spannung und seine Verwendung bei einer Einrichtung zur Bildaufnahme und -ausgabe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005330A (en) * 1930-08-19 1935-06-18 Thomas W Sukumlyn Electron emission device
GB502796A (en) * 1937-08-23 1939-03-23 James Dwyer Mcgee Improvements in or relating to cathode ray tubes
US2758234A (en) * 1952-11-28 1956-08-07 Loewe Opta Ag Electrode system for cathode ray tubes
NL99123C (de) * 1957-10-04
US3214632A (en) * 1963-07-22 1965-10-26 Gen Electric Low noise electron gun
US3551734A (en) * 1968-12-18 1970-12-29 Westinghouse Electric Corp Multi-coil electron image control apparatus
US3748514A (en) * 1971-08-18 1973-07-24 A Standaart Multi-beam cathode ray tube character display
US4020381A (en) * 1974-12-09 1977-04-26 Texas Instruments Incorporated Cathode structure for a multibeam cathode ray tube
US4121130A (en) * 1976-10-29 1978-10-17 Rca Corporation Cathode structure and method of operating the same

Also Published As

Publication number Publication date
IT1149949B (it) 1986-12-10
IT8026398A0 (it) 1980-12-03
CA1135323A (en) 1982-11-09
EP0030613A1 (de) 1981-06-24
JPS5842933B2 (ja) 1983-09-22
JPS5688242A (en) 1981-07-17
US4301389A (en) 1981-11-17
EP0030613B1 (de) 1983-09-21

Similar Documents

Publication Publication Date Title
GB2054950B (en) Cathode ray tube arrangements
JPS54160120A (en) Deflecting yoke structure for cathode ray tube
JPS56160748A (en) Electron beam tube
GB2048730B (en) Grid structures for colour cathode ray tubes
JPS55122345A (en) Cathode ray tube
JPS5784682A (en) Cathode ray tube electron beam deflection controller
GB2052148B (en) Colour cathode ray tubes
JPS569951A (en) Electron beam forming system for cathode ray tube
JPS5591539A (en) Cathode ray tube
GB2087142B (en) Cathode ray tube getter arrangement
GB2026229B (en) Cathode ray tubes
JPS566577A (en) Deflecting system for cathode ray tube
GB2085698B (en) Stigmator for cathode ray tube
GB2018018B (en) Beam index colour cathode ray tubes
JPS5566841A (en) Cathode ray tube deflecting yoke
DE3064966D1 (en) Multiple beam cathode ray tube having improved cathode-grid structure
GB2057826B (en) Multibeam cathode ray tube apparatus
GB2061610B (en) Cathode ray tube
DE3064967D1 (en) Multiple beam cathode ray tube having reduced off-axis aberrations
GB2144903B (en) Cathode-ray tube with electron gun having an astigmatic beam forming region
DE2962594D1 (en) Getter assembly for cathode ray tubes
GB2065367B (en) Cathode devices for cathode-ray tubes
DE3368342D1 (en) Single beam cathode ray tube
GB2012142B (en) Beam index colour cathode ray tubes
JPS5535497A (en) Cathode ray tube

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee