NL23762C - - Google Patents
Info
- Publication number
- NL23762C NL23762C NL23762DA NL23762C NL 23762 C NL23762 C NL 23762C NL 23762D A NL23762D A NL 23762DA NL 23762 C NL23762 C NL 23762C
- 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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fats And Perfumes (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL309578X | 1928-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23762C true NL23762C (it) |
Family
ID=19783587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23762D NL23762C (it) | 1928-04-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1821359A (it) |
| BE (1) | BE359097A (it) |
| FR (1) | FR671657A (it) |
| GB (1) | GB309578A (it) |
| NL (1) | NL23762C (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE482916A (it) * | 1947-06-05 | |||
| US2552654A (en) * | 1948-08-30 | 1951-05-15 | Rca Corp | Heat-resistant cathode coatings |
| US2663816A (en) * | 1949-09-28 | 1953-12-22 | Sylvania Electric Prod | Electric discharge lamp |
| BE518639A (it) * | 1952-03-24 | |||
| NL269971A (it) * | 1960-10-18 |
-
0
- BE BE359097D patent/BE359097A/xx unknown
- NL NL23762D patent/NL23762C/xx active
-
1929
- 1929-03-18 GB GB8714/29A patent/GB309578A/en not_active Expired
- 1929-03-18 FR FR671657D patent/FR671657A/fr not_active Expired
- 1929-04-04 US US352597A patent/US1821359A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1821359A (en) | 1931-09-01 |
| FR671657A (fr) | 1929-12-16 |
| GB309578A (en) | 1930-03-06 |
| BE359097A (it) |