FR2212633A1 - - Google Patents
Info
- Publication number
- FR2212633A1 FR2212633A1 FR7346526A FR7346526A FR2212633A1 FR 2212633 A1 FR2212633 A1 FR 2212633A1 FR 7346526 A FR7346526 A FR 7346526A FR 7346526 A FR7346526 A FR 7346526A FR 2212633 A1 FR2212633 A1 FR 2212633A1
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/74—Cooling arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0013—Sealed electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7217782A NL7217782A (bs) | 1972-12-29 | 1972-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2212633A1 true FR2212633A1 (bs) | 1974-07-26 |
| FR2212633B1 FR2212633B1 (bs) | 1976-10-08 |
Family
ID=19817647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7346526A Expired FR2212633B1 (bs) | 1972-12-29 | 1973-12-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3866076A (bs) |
| JP (1) | JPS4999262A (bs) |
| CA (1) | CA1003889A (bs) |
| DE (1) | DE2361309A1 (bs) |
| FR (1) | FR2212633B1 (bs) |
| GB (1) | GB1435188A (bs) |
| IT (1) | IT1000634B (bs) |
| NL (1) | NL7217782A (bs) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892113A (en) * | 1958-05-12 | 1959-06-23 | Engelhard Ind Inc | Electrical discharge lamp |
| US3254260A (en) * | 1962-12-27 | 1966-05-31 | Philips Corp | Electron discharge device for very high frequencies |
| US3586100A (en) * | 1968-09-28 | 1971-06-22 | Nippon Electric Co | Heat dissipating devices for the collectors of electron-beam tube |
| US3567982A (en) * | 1968-12-23 | 1971-03-02 | Sylvania Electric Prod | Electron discharge device anode fin having heat distortion preventive means incorporated therein |
| US3641381A (en) * | 1970-02-24 | 1972-02-08 | Gen Electric | Electron discharge device |
| US3641380A (en) * | 1970-02-24 | 1972-02-08 | Gen Electric | Anode electrode for electron discharge device |
-
1972
- 1972-12-29 NL NL7217782A patent/NL7217782A/xx unknown
-
1973
- 1973-11-23 US US418583A patent/US3866076A/en not_active Expired - Lifetime
- 1973-12-08 DE DE2361309A patent/DE2361309A1/de not_active Ceased
- 1973-12-18 CA CA188,691A patent/CA1003889A/en not_active Expired
- 1973-12-20 GB GB5906373A patent/GB1435188A/en not_active Expired
- 1973-12-26 JP JP48144162A patent/JPS4999262A/ja active Pending
- 1973-12-27 IT IT70868/73A patent/IT1000634B/it active
- 1973-12-27 FR FR7346526A patent/FR2212633B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2361309A1 (de) | 1974-07-04 |
| US3866076A (en) | 1975-02-11 |
| IT1000634B (it) | 1976-04-10 |
| NL7217782A (bs) | 1974-07-02 |
| JPS4999262A (bs) | 1974-09-19 |
| GB1435188A (en) | 1976-05-12 |
| FR2212633B1 (bs) | 1976-10-08 |
| CA1003889A (en) | 1977-01-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |