BE514762A - - Google Patents
Info
- Publication number
- BE514762A BE514762A BE514762DA BE514762A BE 514762 A BE514762 A BE 514762A BE 514762D A BE514762D A BE 514762DA BE 514762 A BE514762 A BE 514762A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US250818A US2887607A (en) | 1951-10-11 | 1951-10-11 | Electron discharge device cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE514762A true BE514762A (en:Method) |
Family
ID=22949287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514762D BE514762A (en:Method) | 1951-10-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2887607A (en:Method) |
| BE (1) | BE514762A (en:Method) |
| FR (1) | FR1068124A (en:Method) |
| GB (1) | GB711124A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1220938B (de) * | 1964-05-08 | 1966-07-14 | Cie Ind Francaise Des Tubes El | Gefalzte rohrfoermige indirekt geheizte Kathode fuer Elektronenroehren |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4287011A (en) * | 1979-05-11 | 1981-09-01 | Radiation Dynamics, Inc. | Closure method |
| US4560897A (en) * | 1983-06-06 | 1985-12-24 | The United States Of America As Represented By The Department Of Energy | Rigid indented cylindrical cathode for X-ray tube |
| DK164275C (da) * | 1990-05-22 | 1992-10-26 | Hh Patent As | Bearbejdningsmaskine, saasom en gennemloebstraeslibemaskine |
| US6904941B2 (en) * | 2002-09-18 | 2005-06-14 | David W. Howard | Helically formed cylinder of varying length and diameter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE119966C (en:Method) * | ||||
| NL33511C (en:Method) * | 1926-07-07 | |||
| US1895133A (en) * | 1930-05-02 | 1933-01-24 | Bundy Tubing Co | Tubing |
| US2116788A (en) * | 1936-08-28 | 1938-05-10 | Superior Tube Co | Thermionic valve electrode construction |
| US2096044A (en) * | 1936-09-25 | 1937-10-19 | Parker Pen Co | Tube and method of forming the same |
| US2118765A (en) * | 1937-10-06 | 1938-05-24 | Hygrade Sylvania Corp | Electrode for electric discharge tubes |
| US2262758A (en) * | 1937-10-08 | 1941-11-18 | American Can Co | Can body |
| US2220909A (en) * | 1940-01-23 | 1940-11-12 | Kershaw Henry | Cathode sleeve for thermionic valves |
| US2319487A (en) * | 1940-10-28 | 1943-05-18 | Weatherhead Co | Tank and method of making same |
| US2527166A (en) * | 1948-08-02 | 1950-10-24 | Bell Telephone Labor Inc | Electrode assembly for electron discharge devices |
-
0
- BE BE514762D patent/BE514762A/xx unknown
-
1951
- 1951-10-11 US US250818A patent/US2887607A/en not_active Expired - Lifetime
-
1952
- 1952-09-25 GB GB24091/52A patent/GB711124A/en not_active Expired
- 1952-10-10 FR FR1068124D patent/FR1068124A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1220938B (de) * | 1964-05-08 | 1966-07-14 | Cie Ind Francaise Des Tubes El | Gefalzte rohrfoermige indirekt geheizte Kathode fuer Elektronenroehren |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1068124A (fr) | 1954-06-22 |
| US2887607A (en) | 1959-05-19 |
| GB711124A (en) | 1954-06-23 |