NL7406738A - - Google Patents
Info
- Publication number
- NL7406738A NL7406738A NL7406738A NL7406738A NL7406738A NL 7406738 A NL7406738 A NL 7406738A NL 7406738 A NL7406738 A NL 7406738A NL 7406738 A NL7406738 A NL 7406738A NL 7406738 A NL7406738 A NL 7406738A
- Authority
- NL
- Netherlands
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
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/50—Plurality of guns or beams
- H01J2229/505—Arrays
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2616473A GB1457105A (en) | 1973-06-01 | 1973-06-01 | Electron guns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7406738A true NL7406738A (en) | 1974-12-03 |
Family
ID=10239354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7406738A NL7406738A (en) | 1973-06-01 | 1974-05-20 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5049975A (en) |
| DE (1) | DE2340690B2 (en) |
| FR (1) | FR2232074B1 (en) |
| GB (1) | GB1457105A (en) |
| NL (1) | NL7406738A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL184549C (en) * | 1978-01-27 | 1989-08-16 | Philips Nv | SEMICONDUCTOR DEVICE FOR GENERATING AN ELECTRON POWER AND DISPLAY DEVICE EQUIPPED WITH SUCH A SEMICONDUCTOR DEVICE. |
| NL184589C (en) * | 1979-07-13 | 1989-09-01 | Philips Nv | Semiconductor device for generating an electron beam and method of manufacturing such a semiconductor device. |
| JPS587740A (en) * | 1981-06-30 | 1983-01-17 | インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン | Electron emission layer |
| DE3538175C2 (en) * | 1984-11-21 | 1996-06-05 | Philips Electronics Nv | Semiconductor device for generating an electron current and its use |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1198567A (en) * | 1968-05-17 | 1970-07-15 | Gen Electric & English Elect | Improvements in or relating to Electric Discharge Devices. |
| GB1303658A (en) * | 1969-11-12 | 1973-01-17 | ||
| GB1285866A (en) * | 1970-06-22 | 1972-08-16 | Gen Electric Co Ltd | Improvements in or relating to cathodes for use in electric discharge devices |
-
1973
- 1973-06-01 GB GB2616473A patent/GB1457105A/en not_active Expired
- 1973-08-10 DE DE19732340690 patent/DE2340690B2/en not_active Withdrawn
-
1974
- 1974-05-20 NL NL7406738A patent/NL7406738A/xx not_active Application Discontinuation
- 1974-05-27 FR FR7418197A patent/FR2232074B1/fr not_active Expired
- 1974-06-01 JP JP6246574A patent/JPS5049975A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1457105A (en) | 1976-12-01 |
| DE2340690B2 (en) | 1977-12-22 |
| FR2232074A1 (en) | 1974-12-27 |
| FR2232074B1 (en) | 1977-10-14 |
| JPS5049975A (en) | 1975-05-06 |
| DE2340690A1 (en) | 1974-12-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |