NL37865C - - Google Patents
Info
- Publication number
- NL37865C NL37865C NL37865DA NL37865C NL 37865 C NL37865 C NL 37865C NL 37865D A NL37865D A NL 37865DA NL 37865 C NL37865 C NL 37865C
- 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 |
|---|---|---|---|
| DE423800X | 1932-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL37865C true NL37865C (it) |
Family
ID=6472578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37865D NL37865C (it) | 1932-08-06 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR759316A (it) |
| GB (1) | GB423800A (it) |
| NL (1) | NL37865C (it) |
-
0
- NL NL37865D patent/NL37865C/xx active
-
1933
- 1933-08-05 FR FR759316D patent/FR759316A/fr not_active Expired
- 1933-08-05 GB GB22055/33A patent/GB423800A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR759316A (fr) | 1934-02-01 |
| GB423800A (en) | 1935-02-05 |