FR2201536A1 - - Google Patents
Info
- Publication number
- FR2201536A1 FR2201536A1 FR7234000A FR7234000A FR2201536A1 FR 2201536 A1 FR2201536 A1 FR 2201536A1 FR 7234000 A FR7234000 A FR 7234000A FR 7234000 A FR7234000 A FR 7234000A FR 2201536 A1 FR2201536 A1 FR 2201536A1
- Authority
- FR
- France
- 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
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution 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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7234000A FR2201536B1 (fr) | 1972-09-26 | 1972-09-26 | |
US05/399,095 US4009410A (en) | 1972-09-26 | 1973-09-20 | Cathode-ray tubes electron-guns |
GB4475773A GB1439784A (en) | 1972-09-26 | 1973-09-24 | Cahtode-ray tube electron guns |
DE19732348459 DE2348459A1 (de) | 1972-09-26 | 1973-09-26 | Elektronenstrahlsystem fuer katodenstrahlroehren und damit ausgestattete katodenstrahlroehren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7234000A FR2201536B1 (fr) | 1972-09-26 | 1972-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2201536A1 true FR2201536A1 (fr) | 1974-04-26 |
FR2201536B1 FR2201536B1 (fr) | 1976-08-13 |
Family
ID=9104784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7234000A Expired FR2201536B1 (fr) | 1972-09-26 | 1972-09-26 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4009410A (fr) |
DE (1) | DE2348459A1 (fr) |
FR (1) | FR2201536B1 (fr) |
GB (1) | GB1439784A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417850A1 (fr) * | 1978-02-15 | 1979-09-14 | Tektronix Inc | Dispositif a decharge d'electrons, avec correction dynamique de la focalisation |
EP0078523A2 (fr) * | 1981-10-30 | 1983-05-11 | Hitachi, Ltd. | Canon à électrons pour tube de prise de vue de télévision |
US4486687A (en) * | 1980-05-14 | 1984-12-04 | Thomson-Csf | Electron gun for convergent beam, and a device, particularly a vidicon tube, equipped with such a gun |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2355373A1 (fr) * | 1976-06-15 | 1978-01-13 | Thomson Csf | Canon a electrons perfectionne, et tube a rayons cathodiques comportant un tel canon, notamment pour dispositif de visualisation |
US4334170A (en) * | 1979-09-28 | 1982-06-08 | Zenith Radio Corporation | Means and method for providing optimum resolution of T.V. cathode ray tube electron guns |
DE3304724A1 (de) * | 1983-02-11 | 1984-08-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Kathodenstrahlroehre |
FR2623939B1 (fr) * | 1987-12-01 | 1990-03-09 | Thomson Csf | Canons a electrons pour tube a rayonnement cathodique |
US5262702A (en) * | 1989-03-23 | 1993-11-16 | Kabushiki Kaisha Toshiba | Color cathode-ray tube apparatus |
JP2825287B2 (ja) * | 1989-03-23 | 1998-11-18 | 株式会社東芝 | カラー受像管装置 |
FR2646017A1 (fr) * | 1989-04-18 | 1990-10-19 | Thomson Tubes Electroniques | Canon a electrons pour tubes a rayons cathodiques a haute resolution |
US5223764A (en) * | 1991-12-09 | 1993-06-29 | Chunghwa Picture Tubes, Ltd. | Electron gun with low voltage limiting aperture main lens |
US5220239A (en) * | 1991-12-09 | 1993-06-15 | Chunghwa Picture Tubes, Ltd. | High density electron beam generated by low voltage limiting aperture gun |
US5159240A (en) * | 1991-12-09 | 1992-10-27 | Chunghwa Picture Tubes, Ltd. | Low voltage limiting aperture electron gun |
US5287038A (en) * | 1992-05-14 | 1994-02-15 | Litton Systems, Inc. | High resolution electron gun |
US5182492A (en) * | 1992-05-20 | 1993-01-26 | Chunghwa Picture Tubes, Ltd. | Electron beam shaping aperture in low voltage, field-free region of electron gun |
KR100337858B1 (ko) * | 1994-10-31 | 2002-10-25 | 삼성에스디아이 주식회사 | 칼라음극선관용전자총 |
KR100377399B1 (ko) * | 1995-11-24 | 2003-06-19 | 삼성에스디아이 주식회사 | 칼라음극선관용전자총 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB469418A (en) * | 1936-01-24 | 1937-07-26 | Marconi Wireless Telegraph Co | Improvements in or relating to cathode ray tubes |
FR1044630A (fr) * | 1950-03-28 | 1953-11-19 | Int Standard Electric Corp | Perfectionnements à des tubes à rayons cathodiques |
US3295001A (en) * | 1963-06-04 | 1966-12-27 | Sylvania Electric Prod | Cathode ray tube gun having a second grid with an effective thickness |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB534215A (en) * | 1939-07-28 | 1941-03-03 | Otto Klemperer | Improvements in or relating to electron discharge devices |
US2975315A (en) * | 1957-03-13 | 1961-03-14 | Rauland Corp | Cathode-ray tube |
US3008064A (en) * | 1957-10-28 | 1961-11-07 | Rauland Corp | Cathode-ray tube |
US3090882A (en) * | 1960-04-13 | 1963-05-21 | Rca Corp | Electron gun |
US3798478A (en) * | 1972-09-14 | 1974-03-19 | Gte Sylvania Inc | Multibeam cathode ray tube having a common beam limiting aperture therein |
-
1972
- 1972-09-26 FR FR7234000A patent/FR2201536B1/fr not_active Expired
-
1973
- 1973-09-20 US US05/399,095 patent/US4009410A/en not_active Expired - Lifetime
- 1973-09-24 GB GB4475773A patent/GB1439784A/en not_active Expired
- 1973-09-26 DE DE19732348459 patent/DE2348459A1/de not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB469418A (en) * | 1936-01-24 | 1937-07-26 | Marconi Wireless Telegraph Co | Improvements in or relating to cathode ray tubes |
FR1044630A (fr) * | 1950-03-28 | 1953-11-19 | Int Standard Electric Corp | Perfectionnements à des tubes à rayons cathodiques |
US3295001A (en) * | 1963-06-04 | 1966-12-27 | Sylvania Electric Prod | Cathode ray tube gun having a second grid with an effective thickness |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417850A1 (fr) * | 1978-02-15 | 1979-09-14 | Tektronix Inc | Dispositif a decharge d'electrons, avec correction dynamique de la focalisation |
US4486687A (en) * | 1980-05-14 | 1984-12-04 | Thomson-Csf | Electron gun for convergent beam, and a device, particularly a vidicon tube, equipped with such a gun |
EP0078523A2 (fr) * | 1981-10-30 | 1983-05-11 | Hitachi, Ltd. | Canon à électrons pour tube de prise de vue de télévision |
EP0078523A3 (en) * | 1981-10-30 | 1984-01-18 | Hitachi, Ltd. | Electron gun for television camera tube |
US4540916A (en) * | 1981-10-30 | 1985-09-10 | Nippon Hoso Kyokai | Electron gun for television camera tube |
Also Published As
Publication number | Publication date |
---|---|
US4009410A (en) | 1977-02-22 |
DE2348459A1 (de) | 1974-04-04 |
FR2201536B1 (fr) | 1976-08-13 |
GB1439784A (en) | 1976-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |