FR2177860A1 - - Google Patents
Info
- Publication number
- FR2177860A1 FR2177860A1 FR7310297A FR7310297A FR2177860A1 FR 2177860 A1 FR2177860 A1 FR 2177860A1 FR 7310297 A FR7310297 A FR 7310297A FR 7310297 A FR7310297 A FR 7310297A FR 2177860 A1 FR2177860 A1 FR 2177860A1
- 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
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
-
- 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
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
- H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7203931A NL7203931A (en) | 1972-03-24 | 1972-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2177860A1 true FR2177860A1 (en) | 1973-11-09 |
| FR2177860B3 FR2177860B3 (en) | 1976-03-19 |
Family
ID=19815685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7310297A Expired FR2177860B3 (en) | 1972-03-24 | 1973-03-22 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3881136A (en) |
| JP (1) | JPS4915359A (en) |
| CA (1) | CA963069A (en) |
| DE (1) | DE2311369A1 (en) |
| FR (1) | FR2177860B3 (en) |
| GB (1) | GB1421865A (en) |
| IT (1) | IT980662B (en) |
| NL (1) | NL7203931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235856A1 (en) * | 1986-02-25 | 1987-09-09 | Koninklijke Philips Electronics N.V. | Cathode ray tube including means for vertically extending the spot |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980919A (en) * | 1974-12-20 | 1976-09-14 | Watkins-Johnson Company | Rectangular beam laminar flow electron gun |
| JPS5413249A (en) * | 1977-07-01 | 1979-01-31 | Hitachi Ltd | Cathode ray tube |
| JPS54133070A (en) * | 1978-04-07 | 1979-10-16 | Hitachi Ltd | Constituent for electron gun |
| US4172309A (en) * | 1978-07-21 | 1979-10-30 | Zenith Radio Corporation | Method of correcting deflection defocusing in self-converged color CRT display systems |
| EP0014922A1 (en) * | 1979-02-22 | 1980-09-03 | International Standard Electric Corporation | Electron gun |
| JPS55154044A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Electrode structure of electron gun and its manufacture |
| JPS5973439A (en) * | 1982-10-19 | 1984-04-25 | Nippon Steel Corp | Production of iron oxide from waste hydrochloric acid liquor for pickling |
| JPS6199249A (en) * | 1984-10-18 | 1986-05-17 | Matsushita Electronics Corp | Picture tube apparatus |
| US4724359A (en) * | 1986-10-17 | 1988-02-09 | General Electric Company | Laminar flow guns for light valves |
| US8008632B2 (en) * | 2008-07-24 | 2011-08-30 | Seagate Technology Llc | Two-zone ion beam carbon deposition |
| CN102975519B (en) * | 2012-02-21 | 2015-02-11 | 苑执中 | Born pair diamond certificate manufacture method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2840754A (en) * | 1954-09-01 | 1958-06-24 | Rca Corp | Electron beam tube |
| NL108855C (en) * | 1956-09-07 | |||
| NL6717635A (en) * | 1967-12-22 | 1969-06-24 | ||
| US3579010A (en) * | 1968-10-31 | 1971-05-18 | Philco Ford Corp | Elongated aperture electron gun structure for flat cathode-ray tube |
-
1972
- 1972-03-24 NL NL7203931A patent/NL7203931A/xx unknown
-
1973
- 1973-03-08 DE DE19732311369 patent/DE2311369A1/en active Pending
- 1973-03-12 US US340051A patent/US3881136A/en not_active Expired - Lifetime
- 1973-03-15 CA CA166,958A patent/CA963069A/en not_active Expired
- 1973-03-21 GB GB1360473A patent/GB1421865A/en not_active Expired
- 1973-03-21 IT IT7367815A patent/IT980662B/en active
- 1973-03-22 FR FR7310297A patent/FR2177860B3/fr not_active Expired
- 1973-03-24 JP JP48033120A patent/JPS4915359A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0235856A1 (en) * | 1986-02-25 | 1987-09-09 | Koninklijke Philips Electronics N.V. | Cathode ray tube including means for vertically extending the spot |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7203931A (en) | 1973-09-26 |
| US3881136A (en) | 1975-04-29 |
| CA963069A (en) | 1975-02-18 |
| JPS4915359A (en) | 1974-02-09 |
| GB1421865A (en) | 1976-01-21 |
| DE2311369A1 (en) | 1973-10-04 |
| IT980662B (en) | 1974-10-10 |
| FR2177860B3 (en) | 1976-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |