BE472665A - - Google Patents
Info
- Publication number
- BE472665A BE472665A BE472665DA BE472665A BE 472665 A BE472665 A BE 472665A BE 472665D A BE472665D A BE 472665DA BE 472665 A BE472665 A BE 472665A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US613455A US2426255A (en) | 1945-08-30 | 1945-08-30 | Cathode for electron discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472665A true BE472665A (en) |
Family
ID=24457385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472665D BE472665A (en) | 1945-08-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2426255A (en) |
| BE (1) | BE472665A (en) |
| CH (1) | CH265652A (en) |
| ES (1) | ES176810A1 (en) |
| FR (1) | FR938873A (en) |
| GB (1) | GB616712A (en) |
| NL (1) | NL66444C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE965856C (en) * | 1952-09-17 | 1957-06-27 | Licentia Gmbh | Incandescent cathode tubes with steam or gas filling and oxide cathode |
| DE1018164B (en) * | 1952-12-04 | 1957-10-24 | Siemens Ag | Gas discharge tubes |
| DE1022699B (en) * | 1956-04-27 | 1958-01-16 | Siemens Ag | Gas or vapor-filled electrical discharge vessel with a long service life with a heatable oxide cathode made of nickel and an electron-emitting coating applied to nickel |
| JPS5451776A (en) * | 1977-10-03 | 1979-04-23 | Nippon Hoso Kyokai <Nhk> | Gas discharge display panel |
| US6519386B1 (en) * | 1998-01-30 | 2003-02-11 | Coretek, Inc. | Light coupling apparatus and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1913432A (en) * | 1931-06-11 | 1933-06-13 | Bell Telephone Labor Inc | Electric discharge device |
| NL52447C (en) * | 1938-02-04 |
-
0
- NL NL66444D patent/NL66444C/xx active
- BE BE472665D patent/BE472665A/xx unknown
-
1945
- 1945-08-30 US US613455A patent/US2426255A/en not_active Expired - Lifetime
-
1946
- 1946-06-28 GB GB19414/46A patent/GB616712A/en not_active Expired
- 1946-12-06 FR FR938873D patent/FR938873A/en not_active Expired
-
1947
- 1947-02-15 ES ES176810A patent/ES176810A1/en not_active Expired
- 1947-03-25 CH CH265652D patent/CH265652A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH265652A (en) | 1949-12-15 |
| ES176810A1 (en) | 1947-03-16 |
| FR938873A (en) | 1948-10-27 |
| US2426255A (en) | 1947-08-26 |
| GB616712A (en) | 1949-01-26 |
| NL66444C (en) |