BE521065A - - Google Patents
Info
- Publication number
- BE521065A BE521065A BE521065DA BE521065A BE 521065 A BE521065 A BE 521065A BE 521065D A BE521065D A BE 521065DA BE 521065 A BE521065 A BE 521065A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
-
- 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
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2983840X | 1952-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521065A true BE521065A (sv) |
Family
ID=19876591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521065D BE521065A (sv) | 1952-07-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2983840A (sv) |
| BE (1) | BE521065A (sv) |
| DE (1) | DE1687420U (sv) |
| FR (1) | FR1080230A (sv) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE540784A (sv) * | 1954-08-26 | |||
| NL198576A (sv) * | 1954-08-26 | |||
| US2860278A (en) * | 1954-09-08 | 1958-11-11 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
| NL200862A (sv) * | 1954-10-04 | |||
| BE545514A (sv) * | 1954-11-12 | |||
| BE545513A (sv) * | 1955-02-26 | |||
| GB785110A (en) * | 1955-06-28 | 1957-10-23 | Standard Telephones Cables Ltd | Electron tube magnetic focusing device |
| DE1190108B (de) * | 1955-09-29 | 1965-04-01 | Telefunken Patent | Einrichtung zur gebuendelten Fuehrung des Elektronenstrahles einer Lauffeldroehre |
| US2945153A (en) * | 1956-08-31 | 1960-07-12 | Rca Corp | Electron beam tube |
| US2939994A (en) * | 1957-01-28 | 1960-06-07 | Westinghouse Electric Corp | Electron discharge device |
| US3038100A (en) * | 1957-02-26 | 1962-06-05 | Sylvania Electric Prod | Travelling wave tube |
| US2942141A (en) * | 1957-06-06 | 1960-06-21 | Bell Telephone Labor Inc | Magnetic structures for traveling wave tubes |
| US2971113A (en) * | 1957-10-17 | 1961-02-07 | High Voltage Engineering Corp | Acceleration tube for microwave linear accelerator having an integral magnet structure |
| NL229121A (sv) * | 1958-06-27 | |||
| US3022398A (en) * | 1959-05-15 | 1962-02-20 | Fluidwick Company Inc | Electric control device |
| US3155860A (en) * | 1960-10-07 | 1964-11-03 | Westinghouse Electric Corp | Continuously variable permanent magnet for imaging purposes |
| NL274681A (sv) * | 1961-02-22 | |||
| DE1230922B (de) * | 1961-04-27 | 1966-12-22 | Telefunken Patent | Permanentmagnetische Fokussierungsanordnung zur gebuendelten Fuehrung eines Elektronenstrahles, insbesondere fuer Wanderfeldroehren |
| US3198254A (en) * | 1962-05-08 | 1965-08-03 | Baker Oil Tools Inc | Method and apparatus for completing wells |
| JPS5876804U (ja) * | 1981-11-19 | 1983-05-24 | 焼結金属工業株式会社 | ロツドレスシリンダ |
| US20090039995A1 (en) * | 2007-07-09 | 2009-02-12 | Ronald Kipp | Permanent Magnet or Permanent Magnet Array having Uniform Flux Density |
| JP4636198B2 (ja) * | 2008-12-08 | 2011-02-23 | 日亜化学工業株式会社 | 円柱状ボンド磁石およびその製造方法並びに棒状磁石体 |
| RU175441U1 (ru) * | 2017-06-05 | 2017-12-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Магнитная периодическая фокусирующая система |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US2296355A (en) * | 1938-05-23 | 1942-09-22 | Rca Corp | High frequency oscillator tube |
| US2269149A (en) * | 1939-11-24 | 1942-01-06 | Gen Electric | Permanent magnet |
| NL62817C (sv) * | 1940-05-04 | |||
| USRE22389E (en) * | 1940-07-13 | 1943-11-02 | Electron beam concentrating | |
| US2640162A (en) * | 1947-05-16 | 1953-05-26 | Bell Telephone Labor Inc | Electronic transmission system |
| US2659065A (en) * | 1950-08-11 | 1953-11-10 | Stanolind Oil & Gas Co | Seismometer |
| US2741718A (en) * | 1953-03-10 | 1956-04-10 | Sperry Rand Corp | High frequency apparatus |
-
0
- BE BE521065D patent/BE521065A/xx unknown
-
1953
- 1953-05-21 US US356437A patent/US2983840A/en not_active Expired - Lifetime
- 1953-06-29 DE DEN3191U patent/DE1687420U/de not_active Expired
- 1953-06-30 FR FR1080230D patent/FR1080230A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1687420U (de) | 1954-11-18 |
| FR1080230A (fr) | 1954-12-07 |
| US2983840A (en) | 1961-05-09 |