NL23247C - - Google Patents
Info
- Publication number
- NL23247C NL23247C NL23247DA NL23247C NL 23247 C NL23247 C NL 23247C NL 23247D A NL23247D A NL 23247DA NL 23247 C NL23247 C NL 23247C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE253505X | 1925-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23247C true NL23247C (en) |
Family
ID=5953326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23247D NL23247C (en) | 1925-06-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1937846A (en) |
| FR (1) | FR616295A (en) |
| GB (1) | GB253505A (en) |
| NL (1) | NL23247C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243624A (en) * | 1963-06-14 | 1966-03-29 | Varian Associates | Electron tube and socket |
-
0
- NL NL23247D patent/NL23247C/xx active
-
1926
- 1926-04-12 US US101268A patent/US1937846A/en not_active Expired - Lifetime
- 1926-05-18 FR FR616295D patent/FR616295A/en not_active Expired
- 1926-05-21 GB GB13065/26A patent/GB253505A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1937846A (en) | 1933-12-05 |
| FR616295A (en) | 1927-01-31 |
| GB253505A (en) | 1927-08-18 |