NL53563C - - Google Patents
Info
- Publication number
- NL53563C NL53563C NL91682A NL91682A NL53563C NL 53563 C NL53563 C NL 53563C NL 91682 A NL91682 A NL 91682A NL 91682 A NL91682 A NL 91682A NL 53563 C NL53563 C NL 53563C
- 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 |
|---|---|---|---|
| DE1938S0130594 DE689726C (en) | 1938-01-28 | 1938-01-28 | Gas or steam-filled electrical discharge tube for control purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53563C true NL53563C (en) | 1942-12-15 |
Family
ID=5794027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL91682A NL53563C (en) | 1938-01-28 | 1939-01-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2218331A (en) |
| CH (1) | CH208070A (en) |
| DE (1) | DE689726C (en) |
| FR (1) | FR849220A (en) |
| GB (1) | GB524446A (en) |
| NL (1) | NL53563C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE861446C (en) * | 1940-06-15 | 1953-01-05 | Philips Nv | Gas-filled electric discharge tubes |
| US2427089A (en) * | 1942-10-28 | 1947-09-09 | Westinghouse Electric Corp | Switch |
| US2423066A (en) * | 1943-07-16 | 1947-06-24 | Standard Telephones Cables Ltd | Metal-glass and the like seals |
| US2466059A (en) * | 1943-09-03 | 1949-04-05 | Raytheon Mfg Co | Laminated magnetron |
| US2449967A (en) * | 1944-05-10 | 1948-09-21 | Jones Frank Llewellyn | Spark gap |
| US2457950A (en) * | 1945-01-18 | 1949-01-04 | Albert G Thomas | Electronic device |
| US2681995A (en) * | 1949-11-26 | 1954-06-22 | Zenith Radio Corp | Electron discharge device and circuits |
| NL285748A (en) * | 1961-12-01 | 1900-01-01 |
-
1938
- 1938-01-28 DE DE1938S0130594 patent/DE689726C/en not_active Expired
-
1939
- 1939-01-17 CH CH208070D patent/CH208070A/en unknown
- 1939-01-23 FR FR849220D patent/FR849220A/en not_active Expired
- 1939-01-25 US US252747A patent/US2218331A/en not_active Expired - Lifetime
- 1939-01-26 NL NL91682A patent/NL53563C/xx active
- 1939-01-27 GB GB2908/39A patent/GB524446A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2218331A (en) | 1940-10-15 |
| GB524446A (en) | 1940-08-07 |
| CH208070A (en) | 1939-12-31 |
| DE689726C (en) | 1940-04-01 |
| FR849220A (en) | 1939-11-16 |