NL17192C - - Google Patents
Info
- Publication number
- NL17192C NL17192C NL17192DA NL17192C NL 17192 C NL17192 C NL 17192C NL 17192D A NL17192D A NL 17192DA NL 17192 C NL17192 C NL 17192C
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1841124A GB241996A (en) | 1924-08-01 | 1924-08-01 | Improvements relating to filaments for thermionic valves and for electron emitting devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL17192C true NL17192C (https=) |
Family
ID=10111986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL17192D NL17192C (https=) | 1924-08-01 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR601241A (https=) |
| GB (1) | GB241996A (https=) |
| NL (1) | NL17192C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2400098B1 (es) * | 2011-02-28 | 2014-02-06 | Soler & Palau Research S.L. | Ventilador helicocentrifugo |
-
0
- NL NL17192D patent/NL17192C/xx active
-
1924
- 1924-08-01 GB GB1841124A patent/GB241996A/en not_active Expired
-
1925
- 1925-07-22 FR FR601241D patent/FR601241A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB241996A (en) | 1925-11-02 |
| FR601241A (fr) | 1926-02-25 |