SU495851A3 - Приемна электроннолучева трубка дл цветного телевидени - Google Patents

Приемна электроннолучева трубка дл цветного телевидени

Info

Publication number
SU495851A3
SU495851A3 SU1876131A SU1876131A SU495851A3 SU 495851 A3 SU495851 A3 SU 495851A3 SU 1876131 A SU1876131 A SU 1876131A SU 1876131 A SU1876131 A SU 1876131A SU 495851 A3 SU495851 A3 SU 495851A3
Authority
SU
USSR - Soviet Union
Prior art keywords
tube
color television
electrode
holes
receiver
Prior art date
Application number
SU1876131A
Other languages
English (en)
Inventor
Генри Хьюз Ричард
Original Assignee
Рка Корпорейшн (Фирма)
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 Рка Корпорейшн (Фирма) filed Critical Рка Корпорейшн (Фирма)
Application granted granted Critical
Publication of SU495851A3 publication Critical patent/SU495851A3/ru

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/701Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/707Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/50Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503Three or more guns, the axes of which lay in a common plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/51Arrangements for controlling convergence of a plurality of beams by means of electric field only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/58Electron beam control inside the vessel
    • H01J2229/581Electron beam control inside the vessel by magnetic means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/58Electron beam control inside the vessel
    • H01J2229/583Electron beam control inside the vessel at the source
    • H01J2229/5835Electron beam control inside the vessel at the source cooperating with the electron gun

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Description

(54) ПРИЕМНАЯ ЭЛЕКТРОННО-ЛУЧЕВАЯ ТРУБКА ДЛЯ ЦВЕТНОГО ТЕЛЕВИДЕНИЯ
1
Изобретение относитс  к области цветного телевидени , в частност, к усовершенствованию цветных электронно-лучевых трубок масочного типа.
Известна приемна  электронно-лучева  трубка дл  цветного телевидени , содержаща  оболочку, люминофорный экран, теневую маску и электронно-оптическую систему, содержащую три катода и р д плоских электродов, модул тор, ускор ющий электрод, фокусирующий электрод и второй анод, каждый из которых имеет но три отверсти , причем крайнее отверстие во втором аноде смещено относительио оси крайнего отверсти  фокусирующего электрода.
Недостатком такой трубки  вл етс  присутствие астигматизма пучков па экране трубки.
Уменьшение аберрации крайних пучков достигаетс  тем, что плоскость второго аиода в трубке имеет цилиндрическую поверхность, обращенную выпуклой стороной к экрану, а три отверсти  расположены поперек образующей цилиндра.
На фиг. 1 изображена предлагаема  трубка; на фиг. 2-электроцно-оптическа  система электронно-лучевой трубки.
Приемна  трубка содержит оболочку 1, люминофорный экран 2, маску 3, отклон ющую
систсм 4 п электронно-оптическую систему 5, формируюпхую три компланарных пучка 6. Электронно-оптическа  спстема состонт из трех катодов 7, модул тора 8, ускор ющего электрода 9. фокусирующего электрода 10 и второго анода 11. Л одул тор п ускор ющий электрод выполнены в виде плоских п.тастин, имеющих по три отверсти , соосных катодам. Фокуснрующпй электрод выполнен из двух чащеобразных электродов 12, 13. соединенных между собой, и их плоские торцы имеют по три отверсти , каждое из которых соосно соответствующел у катоду. Второй анод выполнен также из двух чащеобразных деталей, кажда  из которых 1меет по три отверсти . Центральные отверсти  электродов 14, 15, соосны центральным отверсти м фокуспрующего электрода 10. Каждое крайнее отверстпе электрода 14 смещено относительно оси иротиволел ащего отверсти  электрода 13 в сторону от центральной оси прожектора. Плоскость торца электрода 14 выполнена по форме поверхности цилиндра и выпуклой стороной обращена к экрану, а отверсти  располагаютс  но дуге в направлении поперек образующей поверхности цилиндра. Смещенные отверсти  образуют асимметричное электростатическое поле, которое сводит пучки в
3
центре экрана. Благодар  располол ению трех отверстнй на втором аноде 14 вдоль дугп уменьшаетс  искажение (астигматизм) Kpaiiinix иучков на экраие трубки.
П р е д м е т и з о б р е т е и и  
Приемна  электронно-лучева  трубка дл  цветного телевидени , содержаща  оболочку, люминофорный экран, теиевую маску и электроиио-оптическую систему, котора  в свою очередь содержит тр  катода и р д плоских
ff
4
электродов, модул тор, ускор ющий элект1 )од, фокусирующи электрод и второй аиод, каждый из которых меет ио три отверсти , иричем крайнее отверстие во втором аноде смещено относительно оси крайнего отверсти  фокусирующего электрода, о т л и ч а ю щ а   с   тем, что, с целью уменьшеии  аберрации крайинх иучков, плоскость второго анода имеет цилиндрическую иоверхиоеть, обращенную выиуклой стороной к экрану, а три отверсти  расиоложены иоиерек образующей цилиндра.
-- iz&i
SU1876131A 1972-01-14 1973-01-12 Приемна электроннолучева трубка дл цветного телевидени SU495851A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21775872A 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
SU495851A3 true SU495851A3 (ru) 1975-12-15

Family

ID=22812393

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1876131A SU495851A3 (ru) 1972-01-14 1973-01-12 Приемна электроннолучева трубка дл цветного телевидени

Country Status (19)

Country Link
US (1) US3772554A (ru)
JP (4) JPS5232714B2 (ru)
KR (1) KR780000391B1 (ru)
AR (1) AR196104A1 (ru)
BE (1) BE793992A (ru)
BR (1) BR7300153D0 (ru)
CA (1) CA969597A (ru)
CS (1) CS199546B2 (ru)
DD (1) DD103093A5 (ru)
DE (1) DE2223369C3 (ru)
ES (1) ES410383A1 (ru)
FR (1) FR2167898B1 (ru)
GB (1) GB1381018A (ru)
IT (1) IT973241B (ru)
NL (1) NL184445C (ru)
PL (1) PL83625B1 (ru)
RO (1) RO78240A (ru)
SU (1) SU495851A3 (ru)
ZA (1) ZA73216B (ru)

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Also Published As

Publication number Publication date
DD103093A5 (ru) 1974-01-05
JPS557659B2 (ru) 1980-02-27
DE2223369C3 (de) 1981-04-16
PL83625B1 (ru) 1975-12-31
CS199546B2 (en) 1980-07-31
IT973241B (it) 1974-06-10
KR780000391B1 (en) 1978-10-04
ZA73216B (en) 1973-12-19
BR7300153D0 (pt) 1973-09-27
CA969597A (en) 1975-06-17
JPS52100971A (en) 1977-08-24
NL184445B (nl) 1989-02-16
NL7300483A (ru) 1973-07-17
JPS557658B2 (ru) 1980-02-27
AR196104A1 (es) 1973-11-30
FR2167898A1 (ru) 1973-08-24
ES410383A1 (es) 1975-12-01
JPS5232714B2 (ru) 1977-08-23
GB1381018A (en) 1975-01-22
JPS524905B2 (ru) 1977-02-08
JPS52132670A (en) 1977-11-07
RO78240A (ro) 1982-04-12
NL184445C (nl) 1989-07-17
DE2223369A1 (de) 1973-07-19
US3772554A (en) 1973-11-13
DE2223369B2 (de) 1977-12-01
FR2167898B1 (ru) 1976-05-14
BE793992A (fr) 1973-05-02
JPS4882770A (ru) 1973-11-05
JPS51118958A (en) 1976-10-19

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