ES475295A1 - Un tubo de rayos catodicos. - Google Patents
Un tubo de rayos catodicos.Info
- Publication number
- ES475295A1 ES475295A1 ES475295A ES475295A ES475295A1 ES 475295 A1 ES475295 A1 ES 475295A1 ES 475295 A ES475295 A ES 475295A ES 475295 A ES475295 A ES 475295A ES 475295 A1 ES475295 A1 ES 475295A1
- Authority
- ES
- Spain
- Prior art keywords
- cathode
- ray tube
- grid
- manner
- elongate
- 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
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)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Un tubo de rayos catódicos que comprende, en una envuelta en la que se ha hecho el vacío, un cañón de electrones para generar un haz de electrones, incluyendo el cañón de electrones en sucesión un cátodo centrado alrededor de un eje, y rejillas primera y segunda que tienen cada una una abertura en ellas, constituyendo la primera rejilla, en cooperación con la segunda rejilla, una lente electrónica de simetría irrotacional, siendo la sección transversal normal al eje de la abertura en la primera rejilla, en el lado que mira hacia la segunda rejilla, mayor que la sección transversal de la abertura en el lado de la primera rejilla que mira hacia el cátodo y transversalmente alargada en relación con la misma.
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 (1)
Publication Number | Publication Date |
---|---|
ES475295A1 true ES475295A1 (es) | 1979-04-16 |
Family
ID=19829598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES475295A Expired ES475295A1 (es) | 1977-11-24 | 1978-11-22 | Un tubo de rayos catodicos. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4358703A (es) |
JP (2) | JPS5485666A (es) |
BE (1) | BE872218A (es) |
BR (1) | BR7807652A (es) |
CA (1) | CA1112284A (es) |
CS (1) | CS234009B2 (es) |
DD (1) | DD140517A5 (es) |
DE (1) | DE2850369C2 (es) |
ES (1) | ES475295A1 (es) |
FI (1) | FI66262C (es) |
FR (1) | FR2410357A1 (es) |
GB (1) | GB2008851B (es) |
IT (1) | IT1100173B (es) |
MX (1) | MX145245A (es) |
NL (1) | NL178374C (es) |
PL (1) | PL117458B1 (es) |
TR (1) | TR20153A (es) |
YU (1) | YU40989B (es) |
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 (es) * | 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 (es) * | 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/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 DD DD78209218A patent/DD140517A5/de not_active IP Right Cessation
- 1978-11-21 FI FI783554A patent/FI66262C/fi not_active IP Right Cessation
- 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 IT IT30003/78A patent/IT1100173B/it active
- 1978-11-21 MX MX175692A patent/MX145245A/es unknown
- 1978-11-21 DE DE2850369A patent/DE2850369C2/de not_active Expired
- 1978-11-22 FR FR7832949A patent/FR2410357A1/fr active Granted
- 1978-11-22 CS CS787626A patent/CS234009B2/cs unknown
- 1978-11-22 BE BE191890A patent/BE872218A/xx not_active IP Right Cessation
- 1978-11-22 ES ES475295A patent/ES475295A1/es not_active Expired
- 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 |
---|---|
YU275078A (en) | 1982-10-31 |
FI783554A (fi) | 1979-05-25 |
IT1100173B (it) | 1985-09-28 |
GB2008851A (en) | 1979-06-06 |
FI66262B (fi) | 1984-05-31 |
YU40989B (en) | 1986-10-31 |
GB2008851B (en) | 1982-05-12 |
IT7830003A0 (it) | 1978-11-21 |
MX145245A (es) | 1982-01-15 |
BR7807652A (pt) | 1979-06-26 |
JPS6244448Y2 (es) | 1987-11-24 |
NL178374B (nl) | 1985-10-01 |
PL211101A1 (pl) | 1979-07-16 |
CS234009B2 (en) | 1985-03-14 |
PL117458B1 (en) | 1981-08-31 |
FR2410357A1 (fr) | 1979-06-22 |
DD140517A5 (de) | 1980-03-05 |
JPS58101457U (ja) | 1983-07-09 |
US4358703A (en) | 1982-11-09 |
FR2410357B1 (es) | 1982-06-18 |
BE872218A (fr) | 1979-05-22 |
DE2850369C2 (de) | 1983-10-06 |
TR20153A (tr) | 1980-09-26 |
DE2850369A1 (de) | 1979-05-31 |
CA1112284A (en) | 1981-11-10 |
JPS5485666A (en) | 1979-07-07 |
FI66262C (fi) | 1984-09-10 |
NL178374C (nl) | 1986-03-03 |
NL7712942A (nl) | 1979-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000201 |