NL49354C - - Google Patents
Info
- Publication number
- NL49354C NL49354C NL49354DA NL49354C NL 49354 C NL49354 C NL 49354C NL 49354D A NL49354D A NL 49354DA NL 49354 C NL49354 C NL 49354C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE494528X | 1936-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49354C true NL49354C (en, 2012) |
Family
ID=6544734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49354D NL49354C (en, 2012) | 1936-04-30 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB494528A (en, 2012) |
| NL (1) | NL49354C (en, 2012) |
-
0
- NL NL49354D patent/NL49354C/xx active
-
1937
- 1937-04-28 GB GB12132/37A patent/GB494528A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB494528A (en) | 1938-10-27 |