NL27630C - - Google Patents
Info
- Publication number
- NL27630C NL27630C NL27630DA NL27630C NL 27630 C NL27630 C NL 27630C NL 27630D A NL27630D A NL 27630DA NL 27630 C NL27630 C NL 27630C
- 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 |
|---|---|---|---|
| DE333831X | 1928-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27630C true NL27630C (en) |
Family
ID=6212443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27630D NL27630C (en) | 1928-11-19 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT124418B (en) |
| FR (1) | FR684985A (en) |
| GB (1) | GB333831A (en) |
| NL (1) | NL27630C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE751159C (en) * | 1933-08-02 | 1953-02-02 | Emi Ltd | Discharge tubes with at least the following electrodes: a cathode, a control grid, an anode and a screen grid between anode and control grid, between whose screen grid and anode a brake chamber charge is to be formed |
-
0
- NL NL27630D patent/NL27630C/xx active
-
1929
- 1929-10-12 AT AT124418D patent/AT124418B/en active
- 1929-11-13 GB GB34723/29A patent/GB333831A/en not_active Expired
- 1929-11-15 FR FR684985D patent/FR684985A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB333831A (en) | 1930-08-21 |
| AT124418B (en) | 1931-09-10 |
| FR684985A (en) | 1930-07-03 |