NL43494C - - Google Patents
Info
- Publication number
- NL43494C NL43494C NL43494DA NL43494C NL 43494 C NL43494 C NL 43494C NL 43494D A NL43494D A NL 43494DA NL 43494 C NL43494 C NL 43494C
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL475521X | 1935-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL43494C true NL43494C (me) |
Family
ID=19786516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL43494D NL43494C (me) | 1935-08-03 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR809163A (me) |
| GB (1) | GB475521A (me) |
| NL (1) | NL43494C (me) |
-
0
- NL NL43494D patent/NL43494C/xx active
-
1936
- 1936-05-21 GB GB14426/36A patent/GB475521A/en not_active Expired
- 1936-07-07 FR FR809163D patent/FR809163A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB475521A (en) | 1937-11-22 |
| FR809163A (fr) | 1937-02-25 |