FR2237308A1 - - Google Patents
Info
- Publication number
- FR2237308A1 FR2237308A1 FR7423679A FR7423679A FR2237308A1 FR 2237308 A1 FR2237308 A1 FR 2237308A1 FR 7423679 A FR7423679 A FR 7423679A FR 7423679 A FR7423679 A FR 7423679A FR 2237308 A1 FR2237308 A1 FR 2237308A1
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US377366A US3894261A (en) | 1973-07-09 | 1973-07-09 | No-crossover electron gun |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2237308A1 true FR2237308A1 (enrdf_load_stackoverflow) | 1975-02-07 |
FR2237308B1 FR2237308B1 (enrdf_load_stackoverflow) | 1977-10-07 |
Family
ID=23488827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7423679A Expired FR2237308B1 (enrdf_load_stackoverflow) | 1973-07-09 | 1974-07-08 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3894261A (enrdf_load_stackoverflow) |
JP (1) | JPS5039869A (enrdf_load_stackoverflow) |
FR (1) | FR2237308B1 (enrdf_load_stackoverflow) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417182A1 (fr) * | 1978-02-13 | 1979-09-07 | Philips Nv | Dispositif comportant un tube de prise de vues et tube de prise de vues pour un tel dispositif |
FR2431765A1 (fr) * | 1978-07-20 | 1980-02-15 | Philips Nv | Tube de prise de vues et son procede de fabrication |
FR2436493A1 (fr) * | 1978-09-14 | 1980-04-11 | Philips Nv | Tube cathodique du genre vidicon |
FR2461352A1 (fr) * | 1979-07-12 | 1981-01-30 | Philips Nv | Dispositif muni d'un tube de camera de television et tube de camera de television destine a un tel dispositif |
EP0084915A1 (en) * | 1982-01-25 | 1983-08-03 | Koninklijke Philips Electronics N.V. | Television camera tube |
EP0078523A3 (en) * | 1981-10-30 | 1984-01-18 | Hitachi, Ltd. | Electron gun for television camera tube |
EP0169480A3 (en) * | 1984-07-18 | 1986-08-20 | Hitachi, Ltd. | Television camera tube device |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388556A (en) * | 1978-02-13 | 1983-06-14 | U.S. Philips Corporation | Low noise electron gun |
JPS5774948A (en) * | 1980-10-29 | 1982-05-11 | Nippon Hoso Kyokai <Nhk> | Electron gun |
US4549113A (en) * | 1981-02-06 | 1985-10-22 | U.S. Philips Corporation | Low noise electron gun |
JPS5882763U (ja) * | 1981-11-30 | 1983-06-04 | 日本電気ホームエレクトロニクス株式会社 | 電子銃 |
US4701679A (en) * | 1985-08-23 | 1987-10-20 | Hitachi, Ltd. | Method of and apparatus for controlling amount of electron beam in image pickup tube |
JP2002083559A (ja) * | 2000-06-26 | 2002-03-22 | Sony Corp | 電子銃、陰極線管及び画像表示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB519111A (en) * | 1938-06-09 | 1940-03-18 | Pye Ltd | Improvements in and relating to cathode ray tubes |
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 (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3008064A (en) * | 1957-10-28 | 1961-11-07 | Rauland Corp | Cathode-ray tube |
US3436583A (en) * | 1966-03-15 | 1969-04-01 | Gen Electric | Electron gun |
US3628077A (en) * | 1970-02-26 | 1971-12-14 | Sylvania Electric Prod | Electron gun having concave coined grid and annular rib |
-
1973
- 1973-07-09 US US377366A patent/US3894261A/en not_active Expired - Lifetime
-
1974
- 1974-07-08 FR FR7423679A patent/FR2237308B1/fr not_active Expired
- 1974-07-09 JP JP49077954A patent/JPS5039869A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB519111A (en) * | 1938-06-09 | 1940-03-18 | Pye Ltd | Improvements in and relating to cathode ray tubes |
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417182A1 (fr) * | 1978-02-13 | 1979-09-07 | Philips Nv | Dispositif comportant un tube de prise de vues et tube de prise de vues pour un tel dispositif |
FR2431765A1 (fr) * | 1978-07-20 | 1980-02-15 | Philips Nv | Tube de prise de vues et son procede de fabrication |
FR2436493A1 (fr) * | 1978-09-14 | 1980-04-11 | Philips Nv | Tube cathodique du genre vidicon |
FR2461352A1 (fr) * | 1979-07-12 | 1981-01-30 | Philips Nv | Dispositif muni d'un tube de camera de television et tube de camera de television destine a un tel dispositif |
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 |
EP0084915A1 (en) * | 1982-01-25 | 1983-08-03 | Koninklijke Philips Electronics N.V. | Television camera tube |
EP0169480A3 (en) * | 1984-07-18 | 1986-08-20 | Hitachi, Ltd. | Television camera tube device |
Also Published As
Publication number | Publication date |
---|---|
US3894261A (en) | 1975-07-08 |
FR2237308B1 (enrdf_load_stackoverflow) | 1977-10-07 |
JPS5039869A (enrdf_load_stackoverflow) | 1975-04-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |