DE2429445A1 - - Google Patents
Info
- Publication number
- DE2429445A1 DE2429445A1 DE19742429445 DE2429445A DE2429445A1 DE 2429445 A1 DE2429445 A1 DE 2429445A1 DE 19742429445 DE19742429445 DE 19742429445 DE 2429445 A DE2429445 A DE 2429445A DE 2429445 A1 DE2429445 A1 DE 2429445A1
- Authority
- DE
- Germany
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742429445 DE2429445C2 (de) | 1974-06-19 | Mittelbar geheizte Vorratskathode für elektrische Entladungsgefäße |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742429445 DE2429445C2 (de) | 1974-06-19 | Mittelbar geheizte Vorratskathode für elektrische Entladungsgefäße |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2429445A1 true DE2429445A1 (OSRAM) | 1975-09-11 |
| DE2429445B1 DE2429445B1 (de) | 1975-09-11 |
| DE2429445C2 DE2429445C2 (de) | 1976-04-15 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| DE2429445B1 (de) | 1975-09-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EF | Willingness to grant licences | ||
| 8339 | Ceased/non-payment of the annual fee |