NL51718C - - Google Patents
Info
- Publication number
- NL51718C NL51718C NL86324A NL86324A NL51718C NL 51718 C NL51718 C NL 51718C NL 86324 A NL86324 A NL 86324A NL 86324 A NL86324 A NL 86324A NL 51718 C NL51718 C NL 51718C
- 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 |
---|---|---|---|
DEN40353D DE730148C (de) | 1937-02-09 | 1937-02-09 | Ionenrelaisroehre |
Publications (1)
Publication Number | Publication Date |
---|---|
NL51718C true NL51718C (ja) | 1941-12-15 |
Family
ID=25759287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL86324A NL51718C (ja) | 1937-02-09 | 1938-02-07 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2220089A (ja) |
BE (1) | BE426216A (ja) |
CH (1) | CH202955A (ja) |
DE (1) | DE730148C (ja) |
FR (1) | FR833343A (ja) |
GB (1) | GB500459A (ja) |
NL (1) | NL51718C (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2975319A (en) * | 1951-03-06 | 1961-03-14 | Tesla Np | Tacttron |
-
1937
- 1937-02-09 DE DEN40353D patent/DE730148C/de not_active Expired
-
1938
- 1938-02-04 US US188765A patent/US2220089A/en not_active Expired - Lifetime
- 1938-02-05 BE BE426216D patent/BE426216A/xx unknown
- 1938-02-05 GB GB3712/38A patent/GB500459A/en not_active Expired
- 1938-02-07 FR FR833343D patent/FR833343A/fr not_active Expired
- 1938-02-07 CH CH202955D patent/CH202955A/de unknown
- 1938-02-07 NL NL86324A patent/NL51718C/xx active
Also Published As
Publication number | Publication date |
---|---|
CH202955A (de) | 1939-02-15 |
BE426216A (ja) | 1938-03-31 |
DE730148C (de) | 1943-01-07 |
US2220089A (en) | 1940-11-05 |
FR833343A (fr) | 1938-10-19 |
GB500459A (en) | 1939-02-09 |