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 (en:Method) | 
Family
ID=7483807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL200488D NL200488A (en:Method) | 1954-09-22 | 
Country Status (5)
| Country | Link | 
|---|---|
| US (1) | US2844750A (en:Method) | 
| DE (1) | DE1129240B (en:Method) | 
| FR (1) | FR1131008A (en:Method) | 
| GB (1) | GB786988A (en:Method) | 
| NL (1) | NL200488A (en:Method) | 
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| NL100180C (en:Method) * | 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 (en:Method) * | 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 (9)
| 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 | 
| NL173106B (nl) * | 1951-12-29 | Standard Oil Co Ohio | Verbindings- of aansluitorgaan voor een elektrolytische condensator. | |
| DE1098625B (de) | 1953-11-13 | 1961-02-02 | Siemens Ag | Magnetisches Buendelungssystem zur gebuendelten Fuehrung einer (mehrerer) Elektronenstroemung (en) mittels eines homogenen Magnetfeldes laengs einer groesseren Wegstrecke, insbesondere fuer Wanderfeldroehren | 
- 
        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 | 
|---|---|
| DE1129240B (de) | 1962-05-10 | 
| FR1131008A (fr) | 1957-02-14 | 
| US2844750A (en) | 1958-07-22 | 
| GB786988A (en) | 1957-11-27 |