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NL188314C - Elektronenkanon of elektronenkanonstelsel, alsmede kathodestraalbuis daarvan voorzien. - Google Patents

Elektronenkanon of elektronenkanonstelsel, alsmede kathodestraalbuis daarvan voorzien.

Info

Publication number
NL188314C
NL188314C NLAANVRAGE7907107,A NL7907107A NL188314C NL 188314 C NL188314 C NL 188314C NL 7907107 A NL7907107 A NL 7907107A NL 188314 C NL188314 C NL 188314C
Authority
NL
Netherlands
Prior art keywords
electron gun
ray tube
cathode ray
including cathode
gun system
Prior art date
Application number
NLAANVRAGE7907107,A
Other languages
English (en)
Other versions
NL7907107A (nl
Original Assignee
Rca Licensing 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 Rca Licensing Corp filed Critical Rca Licensing Corp
Publication of NL7907107A publication Critical patent/NL7907107A/nl
Application granted granted Critical
Publication of NL188314C publication Critical patent/NL188314C/nl

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
    • H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
NLAANVRAGE7907107,A 1978-09-25 1979-09-24 Elektronenkanon of elektronenkanonstelsel, alsmede kathodestraalbuis daarvan voorzien. NL188314C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94560078 1978-09-25
US05/945,600 US4234814A (en) 1978-09-25 1978-09-25 Electron gun with astigmatic flare-reducing beam forming region

Publications (2)

Publication Number Publication Date
NL7907107A NL7907107A (nl) 1980-03-27
NL188314C true NL188314C (nl) 1992-05-18

Family

ID=25483322

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7907107,A NL188314C (nl) 1978-09-25 1979-09-24 Elektronenkanon of elektronenkanonstelsel, alsmede kathodestraalbuis daarvan voorzien.

Country Status (14)

Country Link
US (1) US4234814A (nl)
JP (1) JPS5546397A (nl)
BR (1) BR7906006A (nl)
CA (1) CA1138518A (nl)
DE (1) DE2938769C2 (nl)
FI (1) FI792899A (nl)
FR (1) FR2437062A1 (nl)
GB (1) GB2033650B (nl)
HK (1) HK62287A (nl)
IT (1) IT1123295B (nl)
MX (1) MX146490A (nl)
NL (1) NL188314C (nl)
PL (1) PL132260B1 (nl)
SU (1) SU1074422A3 (nl)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350923A (en) * 1980-03-27 1982-09-21 Rca Corporation Electron gun with balanced lens lips to reduce astigmatism
US4410310A (en) * 1981-04-23 1983-10-18 Rca Corporation Degassing a CRT with modified RF heating of the mount assembly thereof
US4409514A (en) * 1981-04-29 1983-10-11 Rca Corporation Electron gun with improved beam forming region
NL8102526A (nl) * 1981-05-22 1982-12-16 Philips Nv Kleurenbeeldbuis.
US4406637A (en) * 1981-07-02 1983-09-27 Rca Corporation Processing the mount assembly of a CRT to suppress afterglow
PT75085B (en) * 1981-07-10 1984-05-15 Rca Corp Color image display systems
ZA824780B (en) * 1981-07-10 1983-05-25 Rca Corp Color image display systems
US4443736A (en) * 1981-09-23 1984-04-17 Rca Corporation Electron gun for dynamic beam shape modulation
US4514659A (en) * 1982-03-04 1985-04-30 Rca Corporation Inline electron gun for high resolution color display tube
US4500808A (en) * 1982-04-02 1985-02-19 Rca Corporation Multibeam electron gun with composite electrode having plurality of separate metal plates
JPS598246A (ja) * 1982-07-05 1984-01-17 Toshiba Corp 電子銃
IT1170150B (it) * 1982-07-19 1987-06-03 Rca Corp Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa
US4513222A (en) * 1983-01-27 1985-04-23 Rca Corporation Color picture tube having reconvergence slots formed in a screen grid electrode of an inline electron gun
US4558253A (en) * 1983-04-18 1985-12-10 Rca Corporation Color picture tube having an inline electron gun with asymmetric focusing lens
US4520292A (en) * 1983-05-06 1985-05-28 Rca Corporation Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun
US4523123A (en) * 1983-05-06 1985-06-11 Rca Corporation Cathode-ray tube having asymmetric slots formed in a screen grid electrode of an inline electron gun
IT1176203B (it) * 1983-06-27 1987-08-18 Rca Corp Tubo a raggi catodici con un cannone elettronico presentante una regione di formazione di un fascio astigmatico
JPS60243949A (ja) * 1984-05-18 1985-12-03 Hitachi Ltd 電子銃用電極およびその製造方法
US4608515A (en) * 1985-04-30 1986-08-26 Rca Corporation Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein
JPS6240133A (ja) * 1985-08-14 1987-02-21 Mitsubishi Electric Corp 電子銃の電極
JPS6240137A (ja) * 1985-08-14 1987-02-21 Mitsubishi Electric Corp インライン型電子銃
CN1029055C (zh) * 1985-09-20 1995-06-21 三菱电机有限公司 电子枪
US4887009A (en) * 1986-02-12 1989-12-12 Rca Licensing Corporation Color display system
EP0237005A3 (en) * 1986-03-11 1988-10-12 Matsushita Electronics Corporation Cathode ray tube for color display
US4736133A (en) * 1986-04-24 1988-04-05 Rca Corporation Inline electron gun for high resolution display tube having improved screen grid plate portion
US4731563A (en) * 1986-09-29 1988-03-15 Rca Corporation Color display system
JP2569027B2 (ja) * 1986-12-05 1997-01-08 株式会社日立製作所 カラ−受像管用電子銃
DE3718838A1 (de) * 1987-06-05 1988-12-15 Standard Elektrik Lorenz Ag Elektronenstrahlerzeugersystem
US4771216A (en) * 1987-08-13 1988-09-13 Zenith Electronics Corporation Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal
NL8702631A (nl) * 1987-11-04 1989-06-01 Philips Nv Kleurenbeeldbuis, afbuigsysteem en elektronenkanon.
DE3829794A1 (de) * 1988-09-02 1990-03-15 Nokia Unterhaltungselektronik In-line-farbbildroehre
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation
US5036258A (en) * 1989-08-11 1991-07-30 Zenith Electronics Corporation Color CRT system and process with dynamic quadrupole lens structure
US5043625A (en) * 1989-11-15 1991-08-27 Zenith Electronics Corporation Spherical aberration-corrected inline electron gun
US5066887A (en) * 1990-02-22 1991-11-19 Rca Thomson Licensing Corp. Color picture tube having an inline electron gun with an astigmatic prefocusing lens
AT394084B (de) * 1990-07-13 1992-01-27 Austria Metall Eckwinkel zum einsetzen in profile fuer rahmen von fenstern, tueren, fassadenteilen u. dgl.
AT394085B (de) * 1990-07-30 1992-01-27 Austria Metall Eckwinkel zum einsetzen in hohlprofilleisten fuer rahmen von fenstern, tueren, fassadenteilen u. dgl.
US5350967A (en) * 1991-10-28 1994-09-27 Chunghwa Picture Tubes, Ltd. Inline electron gun with negative astigmatism beam forming and dynamic quadrupole main lens
FR2705164B1 (fr) * 1993-05-10 1995-07-13 Thomson Tubes & Displays Tube image couleurs à canons à électrons en ligne avec lentilles astigmatiques.
US5600201A (en) * 1993-10-22 1997-02-04 Samsung Display Devices Co., Ltd. Electron gun for a color cathode ray tube
KR970008566B1 (ko) * 1994-07-07 1997-05-27 엘지전자 주식회사 칼라 음극선관용 전자총의 제2그리드
FR2724048B1 (fr) * 1994-08-26 1997-01-10 Thomson Tubes & Displays Canon a electrons coplanaire a zone de formation de faisceau amelioree
KR100186540B1 (ko) 1996-04-25 1999-03-20 구자홍 피디피의 전극 및 그 형성방법
US6479937B2 (en) 2001-03-13 2002-11-12 Chunghwa Picture Tubes, Ltd. Multi-beam index CRT with horizontal phosphor lines
US6377003B1 (en) 2001-04-16 2002-04-23 Chungwa Picture Tubes, Ltd. Multi-beam group electron gun for beam index CRT
US6815881B2 (en) * 2002-02-11 2004-11-09 Chunghwa Picture Tubes, Ltd. Color CRT electron gun with progressively reduced electron beam passing aperture size
US6674228B2 (en) 2002-04-04 2004-01-06 Chunghwa Pictures Tubes, Ltd. Multi-layer common lens arrangement for main focus lens of multi-beam electron gun

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE401652A (nl) *
GB491573A (en) * 1935-12-02 1938-09-05 Walter Heinmann Control diaphragm for electron rays, especially for television purposes
US3295001A (en) * 1963-06-04 1966-12-27 Sylvania Electric Prod Cathode ray tube gun having a second grid with an effective thickness
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
NL7208728A (nl) * 1971-07-28 1973-12-28
BE793992A (fr) * 1972-01-14 1973-05-02 Rca Corp Tube a rayons cathodiques
NL7400887A (nl) * 1974-01-23 1975-07-25 Philips Nv Kathodestraalbuis.
US3952224A (en) * 1974-10-04 1976-04-20 Rca Corporation In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures
GB1537070A (en) * 1975-01-24 1978-12-29 Matsushita Electronics Corp Colour television tube assemblies
US4143293A (en) * 1975-01-24 1979-03-06 Matsushita Electronics Corporation In line electron guns for color tubes, each having a control grid with vertically elliptical aperture
AU4515779A (en) * 1978-04-12 1979-10-18 Rca Corp. Electron gun

Also Published As

Publication number Publication date
GB2033650B (en) 1983-01-19
GB2033650A (en) 1980-05-21
DE2938769C2 (de) 1985-10-03
NL7907107A (nl) 1980-03-27
FR2437062B1 (nl) 1984-03-02
DE2938769A1 (de) 1980-03-27
HK62287A (en) 1987-09-04
MX146490A (es) 1982-07-01
IT7925940A0 (it) 1979-09-21
US4234814A (en) 1980-11-18
IT1123295B (it) 1986-04-30
FI792899A (fi) 1980-03-26
JPS5546397A (en) 1980-04-01
FR2437062A1 (fr) 1980-04-18
JPH0427656B2 (nl) 1992-05-12
CA1138518A (en) 1982-12-28
PL132260B1 (en) 1985-02-28
PL218503A1 (nl) 1980-08-11
SU1074422A3 (ru) 1984-02-15
BR7906006A (pt) 1980-07-08

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: RCA LICENSING CORPORATION

V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 19990924