FR2437062A1 - Perfectionnements apportes aux canons electroniques, notamment pour recepteurs de television - Google Patents
Perfectionnements apportes aux canons electroniques, notamment pour recepteurs de televisionInfo
- Publication number
- FR2437062A1 FR2437062A1 FR7923301A FR7923301A FR2437062A1 FR 2437062 A1 FR2437062 A1 FR 2437062A1 FR 7923301 A FR7923301 A FR 7923301A FR 7923301 A FR7923301 A FR 7923301A FR 2437062 A1 FR2437062 A1 FR 2437062A1
- Authority
- FR
- France
- Prior art keywords
- plan
- television receivers
- convergence
- cathode
- electronic guns
- 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.)
- Granted
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
Abstract
CANON A ELECTRONS QUI COMPREND, DANS L'ORDRE INDIQUE : UNE CATHODE 34, UNE GRILLE DE COMMANDE 36, UNE GRILLE ECRAN 38, ET AU MOINS UNE ELECTRODE DE FOCALISATION POUR ENGENDRER DES ELECTRONS A PARTIR DE LA CATHODE ET POUR LES PROJETER DANS UN FAISCEAU LE LONG D'UNE TRAJECTOIRE DE FAISCEAU, CE CANON A ELECTRONS ETANT CARACTERISE EN CE QUE LADITE GRILLE ECRAN 38 COMPREND UNE PLAQUE 52 TRANSVERSALE A LADITE TRAJECTOIRE DU FAISCEAU 28 ET COMPORTANT UNE OUVERTURE 74 QUI LA TRAVERSE DE PART EN PART, ET UNE FENTE 76 SUR LE COTE DE LA GRILLE DE COMMANDE 36, AFIN D'ETABLIR UN CHAMP ASTIGMATIQUE, QUI PROVOQUE UNE SOUS-CONVERGENCE DU FAISCEAU ELECTRONIQUE DANS UN PLAN PAR RAPPORT A LA CONVERGENCE DU FAISCEAU DANS UN PLAN PERPENDICULAIRE A CE DIT PLAN.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
FR2437062A1 true FR2437062A1 (fr) | 1980-04-18 |
FR2437062B1 FR2437062B1 (fr) | 1984-03-02 |
Family
ID=25483322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7923301A Granted FR2437062A1 (fr) | 1978-09-25 | 1979-09-19 | Perfectionnements apportes aux canons electroniques, notamment pour recepteurs de television |
Country Status (14)
Country | Link |
---|---|
US (1) | US4234814A (fr) |
JP (1) | JPS5546397A (fr) |
BR (1) | BR7906006A (fr) |
CA (1) | CA1138518A (fr) |
DE (1) | DE2938769C2 (fr) |
FI (1) | FI792899A (fr) |
FR (1) | FR2437062A1 (fr) |
GB (1) | GB2033650B (fr) |
HK (1) | HK62287A (fr) |
IT (1) | IT1123295B (fr) |
MX (1) | MX146490A (fr) |
NL (1) | NL188314C (fr) |
PL (1) | PL132260B1 (fr) |
SU (1) | SU1074422A3 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2530378A1 (fr) * | 1982-07-19 | 1984-01-20 | Rca Corp | Grille pour canon electronique et son procede de fabrication |
FR2547953A1 (fr) * | 1983-06-27 | 1984-12-28 | Rca Corp | Tube a rayons cathodiques comportant un canon electronique ayant une region de formation de faisceau astigmate |
EP0237005A2 (fr) * | 1986-03-11 | 1987-09-16 | Matsushita Electronics Corporation | Tube image couleur |
EP0315269A1 (fr) * | 1987-11-04 | 1989-05-10 | Koninklijke Philips Electronics N.V. | Tube image en couleurs, système de déviation et canon électronique |
WO1990003042A1 (fr) * | 1988-09-02 | 1990-03-22 | Nokia Unterhaltungselektronik (Deutschland) Gmbh | Tube image en couleurs en ligne |
Families Citing this family (42)
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 |
IT1214441B (it) * | 1981-07-10 | 1990-01-18 | Rca Corp | Sistema per la visualizzazione di immagini a colori. |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE401652A (fr) * | ||||
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 |
US3952224A (en) * | 1974-10-04 | 1976-04-20 | Rca Corporation | In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3852608A (en) * | 1971-03-22 | 1974-12-03 | Philips Corp | Cathode-ray tube having an astigmatic lens element in its electron gun |
NL7208728A (fr) * | 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. |
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 |
GB1537070A (en) * | 1975-01-24 | 1978-12-29 | Matsushita Electronics Corp | Colour television tube assemblies |
AU4515779A (en) * | 1978-04-12 | 1979-10-18 | Rca Corp. | Electron gun |
-
1978
- 1978-09-25 US US05/945,600 patent/US4234814A/en not_active Expired - Lifetime
-
1979
- 1979-09-05 MX MX179182A patent/MX146490A/es unknown
- 1979-09-17 CA CA000335765A patent/CA1138518A/fr not_active Expired
- 1979-09-18 FI FI792899A patent/FI792899A/fi not_active Application Discontinuation
- 1979-09-19 FR FR7923301A patent/FR2437062A1/fr active Granted
- 1979-09-20 BR BR7906006A patent/BR7906006A/pt not_active IP Right Cessation
- 1979-09-21 JP JP12251779A patent/JPS5546397A/ja active Granted
- 1979-09-21 IT IT25940/79A patent/IT1123295B/it active
- 1979-09-21 GB GB7932802A patent/GB2033650B/en not_active Expired
- 1979-09-24 SU SU792819252A patent/SU1074422A3/ru active
- 1979-09-24 NL NLAANVRAGE7907107,A patent/NL188314C/xx not_active IP Right Cessation
- 1979-09-25 DE DE2938769A patent/DE2938769C2/de not_active Expired
- 1979-09-25 PL PL1979218503A patent/PL132260B1/pl unknown
-
1987
- 1987-08-27 HK HK622/87A patent/HK62287A/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE401652A (fr) * | ||||
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 |
US3952224A (en) * | 1974-10-04 | 1976-04-20 | Rca Corporation | In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures |
FR2287104A1 (fr) * | 1974-10-04 | 1976-04-30 | Rca Corp | Perfectionnements apportes aux canons a electrons pour tubes a rayons cathodiques |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2530378A1 (fr) * | 1982-07-19 | 1984-01-20 | Rca Corp | Grille pour canon electronique et son procede de fabrication |
FR2547953A1 (fr) * | 1983-06-27 | 1984-12-28 | Rca Corp | Tube a rayons cathodiques comportant un canon electronique ayant une region de formation de faisceau astigmate |
EP0237005A2 (fr) * | 1986-03-11 | 1987-09-16 | Matsushita Electronics Corporation | Tube image couleur |
EP0237005A3 (fr) * | 1986-03-11 | 1988-10-12 | Matsushita Electronics Corporation | Tube image couleur |
EP0315269A1 (fr) * | 1987-11-04 | 1989-05-10 | Koninklijke Philips Electronics N.V. | Tube image en couleurs, système de déviation et canon électronique |
WO1990003042A1 (fr) * | 1988-09-02 | 1990-03-22 | Nokia Unterhaltungselektronik (Deutschland) Gmbh | Tube image en couleurs en ligne |
Also Published As
Publication number | Publication date |
---|---|
PL132260B1 (en) | 1985-02-28 |
US4234814A (en) | 1980-11-18 |
JPH0427656B2 (fr) | 1992-05-12 |
MX146490A (es) | 1982-07-01 |
HK62287A (en) | 1987-09-04 |
DE2938769C2 (de) | 1985-10-03 |
NL188314C (nl) | 1992-05-18 |
JPS5546397A (en) | 1980-04-01 |
FI792899A (fi) | 1980-03-26 |
FR2437062B1 (fr) | 1984-03-02 |
PL218503A1 (fr) | 1980-08-11 |
SU1074422A3 (ru) | 1984-02-15 |
IT7925940A0 (it) | 1979-09-21 |
BR7906006A (pt) | 1980-07-08 |
GB2033650B (en) | 1983-01-19 |
GB2033650A (en) | 1980-05-21 |
CA1138518A (fr) | 1982-12-28 |
IT1123295B (it) | 1986-04-30 |
DE2938769A1 (de) | 1980-03-27 |
NL7907107A (nl) | 1980-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |