FR2410357A1 - Tube a rayons cathodiques - Google Patents
Tube a rayons cathodiquesInfo
- Publication number
- FR2410357A1 FR2410357A1 FR7832949A FR7832949A FR2410357A1 FR 2410357 A1 FR2410357 A1 FR 2410357A1 FR 7832949 A FR7832949 A FR 7832949A FR 7832949 A FR7832949 A FR 7832949A FR 2410357 A1 FR2410357 A1 FR 2410357A1
- Authority
- FR
- France
- Prior art keywords
- ray tube
- grid
- cathodic ray
- oblong
- opening
- 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
- H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
-
- 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
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
LA PREMIERE GRILLE DU CANON ELECTRONIQUE DU TUBE A RAYONS CATHODIQUES S'ETEND EN FORME D'ENTONNOIR DE FACON QUE, DU COTE DE LA SECONDE GRILLE, L'OUVERTURE SOIT OBLONGUE ET QU'IL SE FORME ESSENTIELLEMENT UN EFFET DE LENTILLE QUADRIPOLAIRE. IL EST AINSI POSSIBLE D'OBTENIR UN SPOT AUX ANGLES ET AU BORD DE L'ECRAN IMAGE, QUI EST NOTAMMENT MOINS ENTOURE D'UN VOILE QUE DANS LA CONSTRUCTION COMME PRESENTANT UNE OUVERTURE OBLONGUE DANS LA PREMIERE GRILLE. APPLICATION: TELEVISION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7712942,A NL178374C (nl) | 1977-11-24 | 1977-11-24 | Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2410357A1 true FR2410357A1 (fr) | 1979-06-22 |
FR2410357B1 FR2410357B1 (fr) | 1982-06-18 |
Family
ID=19829598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832949A Granted FR2410357A1 (fr) | 1977-11-24 | 1978-11-22 | Tube a rayons cathodiques |
Country Status (18)
Country | Link |
---|---|
US (1) | US4358703A (fr) |
JP (2) | JPS5485666A (fr) |
BE (1) | BE872218A (fr) |
BR (1) | BR7807652A (fr) |
CA (1) | CA1112284A (fr) |
CS (1) | CS234009B2 (fr) |
DD (1) | DD140517A5 (fr) |
DE (1) | DE2850369C2 (fr) |
ES (1) | ES475295A1 (fr) |
FI (1) | FI66262C (fr) |
FR (1) | FR2410357A1 (fr) |
GB (1) | GB2008851B (fr) |
IT (1) | IT1100173B (fr) |
MX (1) | MX145245A (fr) |
NL (1) | NL178374C (fr) |
PL (1) | PL117458B1 (fr) |
TR (1) | TR20153A (fr) |
YU (1) | YU40989B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54117677A (en) * | 1978-03-06 | 1979-09-12 | Hitachi Ltd | Electron gun |
JPS54133070A (en) * | 1978-04-07 | 1979-10-16 | Hitachi Ltd | Constituent for electron gun |
NL8102527A (nl) * | 1981-05-22 | 1982-12-16 | Philips Nv | Kleurenbeeldbuis. |
NL8102526A (nl) * | 1981-05-22 | 1982-12-16 | Philips Nv | Kleurenbeeldbuis. |
PT75085B (en) * | 1981-07-10 | 1984-05-15 | Rca Corp | Color image display systems |
US4542318A (en) * | 1982-12-16 | 1985-09-17 | North American Philips Consumer Electronics Corp. | CRT lensing electrodes having apertures defined by tapered sidewalls |
NL8301601A (nl) * | 1983-05-06 | 1984-12-03 | Philips Nv | Kathodestraalbuis. |
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 |
JPH0719541B2 (ja) * | 1985-04-30 | 1995-03-06 | 株式会社日立製作所 | インライン型カラー受像管 |
JPH06103622B2 (ja) * | 1986-08-21 | 1994-12-14 | ソニー株式会社 | 電子銃の組立方法 |
US5637952A (en) * | 1993-04-26 | 1997-06-10 | Nokia Technology Gmbh | High-current cathode for picture tubes including a grid 3-electrode having a diaphragm with reduced apertures |
JPH0729511A (ja) * | 1993-07-14 | 1995-01-31 | Hitachi Ltd | 電子銃およびカラー陰極線管 |
KR970008566B1 (ko) * | 1994-07-07 | 1997-05-27 | 엘지전자 주식회사 | 칼라 음극선관용 전자총의 제2그리드 |
KR100186540B1 (ko) | 1996-04-25 | 1999-03-20 | 구자홍 | 피디피의 전극 및 그 형성방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2609516A (en) * | 1950-10-31 | 1952-09-02 | Rca Corp | Art of forming and utilizing electron-beams of noncircular cross section |
NL6717636A (fr) * | 1967-12-22 | 1969-06-24 | ||
NL162783C (nl) * | 1970-04-11 | 1980-06-16 | Philips Nv | Beeldweergeefinrichting en elektronenstraalbuis als onderdeel daarvan. |
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 | ||
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 |
US3978367A (en) * | 1975-02-27 | 1976-08-31 | Westinghouse Electric Corporation | Cathode ray tube second electrode having rectangular projecting ridge |
JPS6034783B2 (ja) * | 1976-07-29 | 1985-08-10 | 株式会社東芝 | 陰極線管 |
-
1977
- 1977-11-24 NL NLAANVRAGE7712942,A patent/NL178374C/xx not_active IP Right Cessation
-
1978
- 1978-10-31 CA CA315,432A patent/CA1112284A/fr not_active Expired
- 1978-11-21 IT IT30003/78A patent/IT1100173B/it active
- 1978-11-21 MX MX175692A patent/MX145245A/es unknown
- 1978-11-21 DD DD78209218A patent/DD140517A5/de not_active IP Right Cessation
- 1978-11-21 DE DE2850369A patent/DE2850369C2/de not_active Expired
- 1978-11-21 BR BR7807652A patent/BR7807652A/pt unknown
- 1978-11-21 JP JP14294978A patent/JPS5485666A/ja active Pending
- 1978-11-21 GB GB7845328A patent/GB2008851B/en not_active Expired
- 1978-11-21 TR TR20153A patent/TR20153A/xx unknown
- 1978-11-21 PL PL1978211101A patent/PL117458B1/pl unknown
- 1978-11-21 FI FI783554A patent/FI66262C/fi not_active IP Right Cessation
- 1978-11-22 FR FR7832949A patent/FR2410357A1/fr active Granted
- 1978-11-22 BE BE191890A patent/BE872218A/fr not_active IP Right Cessation
- 1978-11-22 ES ES475295A patent/ES475295A1/es not_active Expired
- 1978-11-22 CS CS787626A patent/CS234009B2/cs unknown
- 1978-11-23 YU YU2750/78A patent/YU40989B/xx unknown
-
1980
- 1980-11-17 US US06/207,581 patent/US4358703A/en not_active Expired - Lifetime
-
1982
- 1982-09-29 JP JP1982146406U patent/JPS58101457U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58101457U (ja) | 1983-07-09 |
YU275078A (en) | 1982-10-31 |
NL178374B (nl) | 1985-10-01 |
IT7830003A0 (it) | 1978-11-21 |
MX145245A (es) | 1982-01-15 |
YU40989B (en) | 1986-10-31 |
FR2410357B1 (fr) | 1982-06-18 |
TR20153A (tr) | 1980-09-26 |
PL117458B1 (en) | 1981-08-31 |
IT1100173B (it) | 1985-09-28 |
NL178374C (nl) | 1986-03-03 |
CA1112284A (fr) | 1981-11-10 |
GB2008851B (en) | 1982-05-12 |
BR7807652A (pt) | 1979-06-26 |
US4358703A (en) | 1982-11-09 |
JPS6244448Y2 (fr) | 1987-11-24 |
BE872218A (fr) | 1979-05-22 |
DE2850369A1 (de) | 1979-05-31 |
JPS5485666A (en) | 1979-07-07 |
FI66262C (fi) | 1984-09-10 |
FI66262B (fi) | 1984-05-31 |
CS234009B2 (en) | 1985-03-14 |
GB2008851A (en) | 1979-06-06 |
DD140517A5 (de) | 1980-03-05 |
FI783554A (fi) | 1979-05-25 |
NL7712942A (nl) | 1979-05-28 |
PL211101A1 (pl) | 1979-07-16 |
ES475295A1 (es) | 1979-04-16 |
DE2850369C2 (de) | 1983-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
CD | Change of name or company name | ||
CD | Change of name or company name |