FR2290025B1 - - Google Patents
Info
- Publication number
- FR2290025B1 FR2290025B1 FR7532516A FR7532516A FR2290025B1 FR 2290025 B1 FR2290025 B1 FR 2290025B1 FR 7532516 A FR7532516 A FR 7532516A FR 7532516 A FR7532516 A FR 7532516A FR 2290025 B1 FR2290025 B1 FR 2290025B1
- 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.)
- Expired
Links
Classifications
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1429574A CH579824A5 (US06649357-20031118-C00005.png) | 1974-10-25 | 1974-10-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2290025A1 FR2290025A1 (fr) | 1976-05-28 |
| FR2290025B1 true FR2290025B1 (US06649357-20031118-C00005.png) | 1980-01-04 |
Family
ID=4399626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7532516A Granted FR2290025A1 (fr) | 1974-10-25 | 1975-10-23 | Cathode a reaction |
Country Status (10)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582951A5 (US06649357-20031118-C00005.png) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie | |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| CH629033A5 (de) * | 1978-05-05 | 1982-03-31 | Bbc Brown Boveri & Cie | Gluehkathode. |
| FR2498372A1 (fr) * | 1981-01-16 | 1982-07-23 | Thomson Csf | Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode |
| DE3205746A1 (de) * | 1982-02-18 | 1983-08-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Thermionische kathode und verfahren zu ihrer herstellung |
| DE3904552A1 (de) * | 1989-02-15 | 1990-08-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe fuer den betrieb mit wechselstrom |
| IT1250471B (it) * | 1991-02-12 | 1995-04-07 | Jobs Spa | Robot con carrello automotore. |
| DE4114487A1 (de) * | 1991-05-03 | 1992-11-05 | Wilhelm Dr Ing Ziegenbein | Hochleistungs-gluehkathode |
| DE4114856A1 (de) * | 1991-05-07 | 1992-11-12 | Licentia Gmbh | Vorratskathode und verfahren zu deren herstellung |
-
1974
- 1974-10-25 CH CH1429574A patent/CH579824A5/xx not_active IP Right Cessation
- 1974-11-18 DE DE19742454569 patent/DE2454569C3/de not_active Expired
- 1974-11-18 DE DE19747438425 patent/DE7438425U/de not_active Expired
-
1975
- 1975-10-23 FR FR7532516A patent/FR2290025A1/fr active Granted
- 1975-10-23 GB GB4362375A patent/GB1525005A/en not_active Expired
- 1975-10-23 JP JP50127873A patent/JPS5826607B2/ja not_active Expired
- 1975-10-23 SU SU752182653A patent/SU680670A3/ru active
- 1975-10-23 HU HUBO001578 patent/HU177075B/hu not_active IP Right Cessation
- 1975-10-23 NL NL7512403A patent/NL184984C/xx not_active IP Right Cessation
- 1975-10-23 AT AT810575A patent/AT355683B/de active
- 1975-10-23 CS CS716275A patent/CS211375B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL184984B (nl) | 1989-07-17 |
| DE2454569C3 (de) | 1978-09-14 |
| CH579824A5 (US06649357-20031118-C00005.png) | 1976-09-15 |
| DE7438425U (de) | 1976-09-16 |
| SU680670A3 (ru) | 1979-08-15 |
| DE2454569B2 (de) | 1978-01-19 |
| CS211375B2 (en) | 1982-02-26 |
| GB1525005A (en) | 1978-09-20 |
| JPS5826607B2 (ja) | 1983-06-03 |
| NL7512403A (nl) | 1976-04-27 |
| NL184984C (nl) | 1989-12-18 |
| AT355683B (de) | 1980-03-10 |
| ATA810575A (de) | 1979-08-15 |
| FR2290025A1 (fr) | 1976-05-28 |
| HU177075B (en) | 1981-07-28 |
| JPS5191659A (US06649357-20031118-C00005.png) | 1976-08-11 |
| DE2454569A1 (de) | 1976-04-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |