NL94985C - - Google Patents
Info
- Publication number
- NL94985C NL94985C NL94985DA NL94985C NL 94985 C NL94985 C NL 94985C NL 94985D A NL94985D A NL 94985DA NL 94985 C NL94985 C NL 94985C
- 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
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE309312X | 1951-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL94985C true NL94985C (de) |
Family
ID=6121980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94985D NL94985C (de) | 1951-04-18 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH309312A (de) |
| FR (1) | FR1054597A (de) |
| GB (1) | GB721612A (de) |
| NL (1) | NL94985C (de) |
-
0
- NL NL94985D patent/NL94985C/xx active
-
1952
- 1952-02-28 CH CH309312D patent/CH309312A/de unknown
- 1952-04-17 FR FR1054597D patent/FR1054597A/fr not_active Expired
- 1952-04-17 GB GB9728/52A patent/GB721612A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB721612A (en) | 1955-01-12 |
| FR1054597A (fr) | 1954-02-11 |
| CH309312A (de) | 1955-08-31 |