CA1018578A - Cathode ray tube in-line gun with astigmatic lens - Google Patents
Cathode ray tube in-line gun with astigmatic lensInfo
- Publication number
- CA1018578A CA1018578A CA218,264A CA218264A CA1018578A CA 1018578 A CA1018578 A CA 1018578A CA 218264 A CA218264 A CA 218264A CA 1018578 A CA1018578 A CA 1018578A
- Authority
- CA
- Canada
- Prior art keywords
- ray tube
- cathode ray
- astigmatic lens
- line gun
- gun
- 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
- H01J29/48—Electron guns
- H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
-
- 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
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/702—Convergence correction arrangements therefor
- H01J29/703—Static convergence systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7400887A NL7400887A (nl) | 1974-01-23 | 1974-01-23 | Kathodestraalbuis. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1018578A true CA1018578A (en) | 1977-10-04 |
Family
ID=19820599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA218,264A Expired CA1018578A (en) | 1974-01-23 | 1975-01-15 | Cathode ray tube in-line gun with astigmatic lens |
Country Status (10)
Country | Link |
---|---|
US (1) | US3970890A (xx) |
JP (1) | JPS5811069B2 (xx) |
BE (1) | BE824629A (xx) |
CA (1) | CA1018578A (xx) |
DE (1) | DE2500818A1 (xx) |
ES (1) | ES433987A1 (xx) |
FR (1) | FR2258703B1 (xx) |
GB (1) | GB1502011A (xx) |
IT (1) | IT1027321B (xx) |
NL (1) | NL7400887A (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5433816Y2 (xx) * | 1974-03-02 | 1979-10-17 | ||
US3984723A (en) * | 1974-10-04 | 1976-10-05 | Rca Corporation | Display system utilizing beam shape correction |
JPS52137974A (en) * | 1976-05-14 | 1977-11-17 | Sony Corp | Colour cathode ray tube |
NL7809160A (nl) * | 1978-09-08 | 1980-03-11 | Philips Nv | Kleurenbeeldbuis. |
US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
JPS55136442A (en) * | 1979-04-10 | 1980-10-24 | Toshiba Corp | Electron gun |
US4323816A (en) * | 1980-05-30 | 1982-04-06 | Rca Corporation | System for enhancing deflection in kinescopes |
IT1214441B (it) | 1981-07-10 | 1990-01-18 | Rca Corp | Sistema per la visualizzazione di immagini a colori. |
EP0073472B1 (en) * | 1981-09-02 | 1987-01-28 | Kabushiki Kaisha Toshiba | Magnetic focusing type cathode ray tube |
JPS5840749A (ja) * | 1981-09-02 | 1983-03-09 | Toshiba Corp | 磁気集束型陰極線管 |
FR2590724B1 (fr) * | 1985-11-22 | 1988-01-08 | Videocolor | Dispositif de correction de l'effet de deviation du a une variation de la tension de focalisation dans un tube cathodique trichrome a cathodes en ligne |
NL8702631A (nl) * | 1987-11-04 | 1989-06-01 | Philips Nv | Kleurenbeeldbuis, afbuigsysteem en elektronenkanon. |
JP2693470B2 (ja) * | 1988-03-16 | 1997-12-24 | 株式会社東芝 | カラー受像管 |
FR2786022B1 (fr) * | 1998-11-18 | 2001-03-09 | Thomson Tubes Electroniques | Tube electronique multifaisceau a interception des electrons minimisee |
US6856081B2 (en) * | 2002-07-09 | 2005-02-15 | Communications & Power Industries, Inc. | Method and apparatus for magnetic focusing of off-axis electron beam |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL110569C (xx) * | 1954-02-09 | |||
US2834901A (en) * | 1954-05-06 | 1958-05-13 | Rca Corp | Cathode ray tube adjunct |
US3603839A (en) * | 1968-06-04 | 1971-09-07 | Victor Company Of Japan | Color television picture tube of the single electron gun type |
NL7208728A (xx) | 1971-07-28 | 1973-12-28 | ||
JPS4828952A (xx) * | 1971-08-21 | 1973-04-17 | ||
JPS4833955U (xx) * | 1971-09-03 | 1973-04-24 | ||
JPS4935571U (xx) * | 1972-06-26 | 1974-03-29 |
-
1974
- 1974-01-23 NL NL7400887A patent/NL7400887A/xx not_active Application Discontinuation
- 1974-12-11 US US05/531,693 patent/US3970890A/en not_active Expired - Lifetime
-
1975
- 1975-01-10 DE DE19752500818 patent/DE2500818A1/de not_active Ceased
- 1975-01-15 CA CA218,264A patent/CA1018578A/en not_active Expired
- 1975-01-20 JP JP50008616A patent/JPS5811069B2/ja not_active Expired
- 1975-01-20 IT IT67115/75A patent/IT1027321B/it active
- 1975-01-20 GB GB2371/75A patent/GB1502011A/en not_active Expired
- 1975-01-21 BE BE152584A patent/BE824629A/xx unknown
- 1975-01-21 ES ES433987A patent/ES433987A1/es not_active Expired
- 1975-01-23 FR FR7502097A patent/FR2258703B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2500818A1 (de) | 1975-07-24 |
US3970890A (en) | 1976-07-20 |
BE824629A (fr) | 1975-07-22 |
JPS50105268A (xx) | 1975-08-19 |
ES433987A1 (es) | 1976-11-16 |
IT1027321B (it) | 1978-11-20 |
FR2258703B1 (xx) | 1978-02-03 |
FR2258703A1 (xx) | 1975-08-18 |
GB1502011A (en) | 1978-02-22 |
NL7400887A (nl) | 1975-07-25 |
JPS5811069B2 (ja) | 1983-03-01 |
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