NL26845C - - Google Patents
Info
- Publication number
- NL26845C NL26845C NL26845DA NL26845C NL 26845 C NL26845 C NL 26845C NL 26845D A NL26845D A NL 26845DA NL 26845 C NL26845 C NL 26845C
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE296415X | 1927-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL26845C true NL26845C (en:Method) |
Family
ID=6090372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL26845D NL26845C (en:Method) | 1927-08-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1893953A (en:Method) |
| FR (1) | FR659799A (en:Method) |
| GB (1) | GB296415A (en:Method) |
| NL (1) | NL26845C (en:Method) |
-
0
- NL NL26845D patent/NL26845C/xx active
-
1928
- 1928-08-25 US US301965A patent/US1893953A/en not_active Expired - Lifetime
- 1928-08-31 GB GB25034/28A patent/GB296415A/en not_active Expired
- 1928-08-31 FR FR659799D patent/FR659799A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1893953A (en) | 1933-01-10 |
| FR659799A (fr) | 1929-07-03 |
| GB296415A (en) | 1929-08-01 |