NL250741A - - Google Patents
Info
- Publication number
- NL250741A NL250741A NL250741DA NL250741A NL 250741 A NL250741 A NL 250741A NL 250741D A NL250741D A NL 250741DA NL 250741 A NL250741 A NL 250741A
- Authority
- NL
- Netherlands
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
- H01J1/22—Heaters
-
- 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
- H01J1/135—Circuit arrangements therefor, e.g. for temperature control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microwave Tubes (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US827598A US2996643A (en) | 1959-07-16 | 1959-07-16 | Art of heating electron tube cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL250741A true NL250741A (es) |
Family
ID=25249632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL250741D NL250741A (es) | 1959-07-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2996643A (es) |
| CH (1) | CH366602A (es) |
| FR (1) | FR1262893A (es) |
| GB (1) | GB923183A (es) |
| NL (1) | NL250741A (es) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL268393A (es) * | 1960-08-19 | |||
| USRE32918E (en) * | 1983-03-11 | 1989-05-09 | Technion, Inc. | Heater/emitter assembly |
| US4569198A (en) * | 1983-03-11 | 1986-02-11 | Technion, Incorporated | Heater/emitter assembly |
| US4730449A (en) * | 1983-07-26 | 1988-03-15 | Technion, Inc. | Radiation transfer thrusters for low thrust applications |
| US4675573A (en) * | 1985-08-23 | 1987-06-23 | Varian Associates, Inc. | Method and apparatus for quickly heating a vacuum tube cathode |
| JPH01501743A (ja) * | 1986-12-12 | 1989-06-15 | ヒューズ・エアクラフト・カンパニー | 迅速加熱カソード装置 |
| US5015908A (en) * | 1989-01-23 | 1991-05-14 | Varian Associates, Inc. | Fast warm-up cathode for high power vacuum tubes |
| US7471035B2 (en) * | 2003-08-21 | 2008-12-30 | California Institute Of Technology | Internal conductively-heated cathode |
| EP2084728A2 (en) * | 2006-10-17 | 2009-08-05 | Philips Intellectual Property & Standards GmbH | Emitter for x-ray tubes and heating method therefore |
| RU2009133830A (ru) * | 2009-09-10 | 2011-03-20 | Роман Станиславович Холошенко (RU) | Способ накопления электроэнергии за счет создания объемного заряда свободных электронов в вакууме и вакуумный конденсатор для его реализации |
| DE102016215378B4 (de) * | 2016-08-17 | 2023-05-11 | Siemens Healthcare Gmbh | Röntgenröhre und ein Röntgenstrahler mit der Röntgenröhre |
| DE102016215375B4 (de) * | 2016-08-17 | 2023-01-26 | Siemens Healthcare Gmbh | Thermionische Emissionsvorrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1787300A (en) * | 1927-11-16 | 1930-12-30 | Gen Electric | Electric-discharge device |
| US1929369A (en) * | 1931-09-30 | 1933-10-03 | Gen Electric | Electrical discharge device |
| US2509053A (en) * | 1947-11-08 | 1950-05-23 | Bell Telephone Labor Inc | Space current device employing mutually bombarded electrodes |
| US2552047A (en) * | 1949-04-19 | 1951-05-08 | Rca Corp | Electron discharge device with temperature-stabilized cathode |
| US2774916A (en) * | 1951-06-09 | 1956-12-18 | Siemens Ag | Cathodes for electrical discharge devices |
-
0
- NL NL250741D patent/NL250741A/xx unknown
-
1959
- 1959-07-16 US US827598A patent/US2996643A/en not_active Expired - Lifetime
-
1960
- 1960-04-19 GB GB13666/60A patent/GB923183A/en not_active Expired
- 1960-05-12 CH CH545860A patent/CH366602A/fr unknown
- 1960-07-12 FR FR832812A patent/FR1262893A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH366602A (fr) | 1963-01-15 |
| GB923183A (en) | 1963-04-10 |
| US2996643A (en) | 1961-08-15 |
| FR1262893A (fr) | 1961-06-05 |