NL200488A - - Google Patents
Info
- Publication number
- NL200488A NL200488A NL200488DA NL200488A NL 200488 A NL200488 A NL 200488A NL 200488D A NL200488D A NL 200488DA NL 200488 A NL200488 A NL 200488A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES40943A DE1129240B (de) | 1954-09-22 | 1954-09-22 | Magnetisches Buendelungssystem zur gebuendelten Fuehrung der Elektronenstroemung einer Laufzeitroehre, insbesondere Wanderfeldroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL200488A true NL200488A (xx) |
Family
ID=7483807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL200488D NL200488A (xx) | 1954-09-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2844750A (xx) |
| DE (1) | DE1129240B (xx) |
| FR (1) | FR1131008A (xx) |
| GB (1) | GB786988A (xx) |
| NL (1) | NL200488A (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL100180C (xx) * | 1955-09-22 | |||
| US2945153A (en) * | 1956-08-31 | 1960-07-12 | Rca Corp | Electron beam tube |
| US3007076A (en) * | 1957-05-03 | 1961-10-31 | Itt | Traveling wave electron discharge device |
| NL107303C (xx) * | 1957-07-11 | |||
| US2966609A (en) * | 1957-11-22 | 1960-12-27 | Gen Electric | Magnetic structures for high frequency energy interchange apparatus |
| US3027484A (en) * | 1958-03-29 | 1962-03-27 | Kobe Kogyo Kabushiki Kaisha | Periodic magnetic focussing system for travelling wave tubes |
| US2961562A (en) * | 1958-05-05 | 1960-11-22 | Gen Electric | Oscillation suppression in high voltage electron guns |
| DE1276217B (de) * | 1958-06-25 | 1968-08-29 | Siemens Ag | Elektronenstrahlroehre mit Geschwindigkeitsmodulation, insbesondere Lauffeldroehre |
| US3155866A (en) * | 1961-03-14 | 1964-11-03 | Bell Telephone Labor Inc | Magnetic focusing structure for traveling wave tubes |
| DE1277450B (de) * | 1962-09-22 | 1968-09-12 | Telefunken Patent | Permanentmagnetisches Fokussierungssystem zur gebuendelten Fuehrung des Elektronenstrahles einer Wanderfeldroehre |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE689388C (de) * | 1934-07-30 | 1940-03-19 | Lorenz Akt Ges C | Anordnung zur Ablenkung des Kathodenstrahls in Braunschen Roehren |
| GB494839A (en) * | 1937-05-01 | 1938-11-01 | British Thomson Houston Co Ltd | Improvements in and relating to cathode ray apparatus |
| GB504802A (en) * | 1937-11-01 | 1939-05-01 | Frederick Hermes Nicoll | Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields |
| DE973258C (de) * | 1938-03-08 | 1959-12-31 | Siemens Ag | Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen |
| US2403529A (en) * | 1942-04-30 | 1946-07-09 | Rca Corp | Electron microscope |
| US2619607A (en) * | 1951-03-10 | 1952-11-25 | Glaser Steers Corp | Internal focusing device |
| DE893990C (de) * | 1951-10-02 | 1953-10-22 | Telefunken Gmbh | Fokalisator fuer Lauffeldroehren |
| NL93297C (xx) * | 1951-12-29 |
-
0
- NL NL200488D patent/NL200488A/xx unknown
-
1954
- 1954-09-22 DE DES40943A patent/DE1129240B/de active Pending
-
1955
- 1955-07-18 US US522615A patent/US2844750A/en not_active Expired - Lifetime
- 1955-09-16 FR FR1131008D patent/FR1131008A/fr not_active Expired
- 1955-09-22 GB GB27091/55A patent/GB786988A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB786988A (en) | 1957-11-27 |
| US2844750A (en) | 1958-07-22 |
| FR1131008A (fr) | 1957-02-14 |
| DE1129240B (de) | 1962-05-10 |