NL34645C - - Google Patents
Info
- Publication number
- NL34645C NL34645C NL34645DA NL34645C NL 34645 C NL34645 C NL 34645C NL 34645D A NL34645D A NL 34645DA NL 34645 C NL34645 C NL 34645C
- 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
- H01J17/58—Thermionic-cathode tubes with more than one cathode or anode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE380672X | 1931-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34645C true NL34645C (xx) |
Family
ID=6348615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34645D NL34645C (xx) | 1931-01-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1992493A (xx) |
| AT (1) | AT133059B (xx) |
| FR (1) | FR728190A (xx) |
| GB (1) | GB380672A (xx) |
| NL (1) | NL34645C (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE861446C (de) * | 1940-06-15 | 1953-01-05 | Philips Nv | Gasgefuellte elektrische Entladungsroehre |
| US2505010A (en) * | 1944-02-07 | 1950-04-25 | Int Standard Electric Corp | Full-wave rectifier tube |
| US2472865A (en) * | 1946-02-26 | 1949-06-14 | Raytheon Mfg Co | Gaseous discharge device |
| US2699015A (en) * | 1951-02-27 | 1955-01-11 | Westinghouse Electric Corp | Metal mixture for sealing to glass |
| US2782343A (en) * | 1952-05-22 | 1957-02-19 | Ibm | Glow discharge tube |
| US2796557A (en) * | 1952-05-22 | 1957-06-18 | Ibm | Glow discharge tube |
| BE559277A (xx) * | 1956-09-13 | |||
| US4587462A (en) * | 1984-08-10 | 1986-05-06 | Gte Laboratories Incorporated | Fluorescent light source with parallel DC discharges |
-
0
- NL NL34645D patent/NL34645C/xx active
-
1931
- 1931-12-11 US US580457A patent/US1992493A/en not_active Expired - Lifetime
- 1931-12-12 FR FR728190D patent/FR728190A/fr not_active Expired
- 1931-12-12 AT AT133059D patent/AT133059B/de active
- 1931-12-21 GB GB35294/31A patent/GB380672A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1992493A (en) | 1935-02-26 |
| FR728190A (fr) | 1932-06-30 |
| AT133059B (de) | 1933-04-25 |
| GB380672A (en) | 1932-09-22 |