NL47728C - - Google Patents
Info
- Publication number
- NL47728C NL47728C NL47728DA NL47728C NL 47728 C NL47728 C NL 47728C NL 47728D A NL47728D A NL 47728DA NL 47728 C NL47728 C NL 47728C
- 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 |
|---|---|---|---|
| DE459114X | 1935-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47728C true NL47728C (en:Method) |
Family
ID=6539539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL47728D NL47728C (en:Method) | 1935-07-25 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB459114A (en:Method) |
| NL (1) | NL47728C (en:Method) |
-
0
- NL NL47728D patent/NL47728C/xx active
-
1936
- 1936-07-23 GB GB20453/36A patent/GB459114A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB459114A (en) | 1937-01-01 |