NL214979A - - Google Patents
Info
- Publication number
- NL214979A NL214979A NL214979DA NL214979A NL 214979 A NL214979 A NL 214979A NL 214979D A NL214979D A NL 214979DA NL 214979 A NL214979 A NL 214979A
- 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
- 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 |
|---|---|---|---|
| DES47742A DE1076280B (de) | 1956-03-01 | 1956-03-01 | Permanentmagnetsystem zur gebuendelten Fuehrung mindestens eines Elektronenstrahls ueber eine groessere Wegstrecke, insbesondere fuer Wanderfeldroehren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL214979A true NL214979A (fr) |
Family
ID=7486537
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99653D NL99653C (fr) | 1956-03-01 | ||
| NL214979D NL214979A (fr) | 1956-03-01 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99653D NL99653C (fr) | 1956-03-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2876373A (fr) |
| CH (1) | CH355530A (fr) |
| DE (1) | DE1076280B (fr) |
| FR (1) | FR1164780A (fr) |
| GB (1) | GB853061A (fr) |
| NL (2) | NL214979A (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL218874A (fr) * | 1957-07-11 | |||
| NL100798C (fr) * | 1958-03-12 | |||
| NL98136C (fr) * | 1958-06-27 | |||
| US3106659A (en) * | 1959-03-24 | 1963-10-08 | Kearfott Company Inc | Microwave tube construction |
| US3265978A (en) * | 1959-08-17 | 1966-08-09 | Westinghouse Electric Corp | D. c. pumped quadrupole parametric amplifier |
| US3183398A (en) * | 1960-08-04 | 1965-05-11 | Raytheon Co | Beam focusing magnet |
| US3164742A (en) * | 1960-12-27 | 1965-01-05 | Gen Electric | High frequency energy interchange device |
| DE1226217B (de) * | 1961-04-19 | 1966-10-06 | Telefunken Patent | Dauermagnetanordnung zur periodischen Fokussierung eines innerhalb einer Vakuumhuelle verlaufenden Elektronenstrahles |
| NL277862A (fr) * | 1961-05-02 | |||
| DE1246891B (de) * | 1962-02-23 | 1967-08-10 | Telefunken Patent | Magnetische Fokussierungsanordnung zur gebuendelten Fuehrung eines Elektronenstrahls, insbesondere fuer Wanderfeldroehren |
| NL133615C (fr) * | 1962-10-04 | |||
| US3254273A (en) * | 1963-10-31 | 1966-05-31 | Radio Frequency Lab Inc | Standard magnet |
| US5744910A (en) * | 1993-04-02 | 1998-04-28 | Litton Systems, Inc. | Periodic permanent magnet focusing system for electron beam |
| JP5221761B2 (ja) * | 2009-07-15 | 2013-06-26 | パイオニア株式会社 | 撮像装置 |
| CN108776129B (zh) * | 2018-07-06 | 2023-12-08 | 中国科学院西安光学精密机械研究所 | 多功能环形磁铁阵列激光等离子体约束装置及其应用系统 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2157182A (en) * | 1935-12-31 | 1939-05-09 | Rca Corp | Cathode ray deflecting device |
| US2102045A (en) * | 1936-05-13 | 1937-12-14 | Albert G Thomas | Electron discharge tube |
| NL92251C (fr) * | 1948-10-01 | |||
| US2801361A (en) * | 1948-12-10 | 1957-07-30 | Bell Telephone Labor Inc | High frequency amplifier |
| BE516428A (fr) * | 1951-12-29 | |||
| DE1071237B (fr) * | 1953-04-29 | |||
| US2847607A (en) * | 1953-04-29 | 1958-08-12 | Bell Telephone Labor Inc | Magnetic focusing system |
| US2812470A (en) * | 1954-10-22 | 1957-11-05 | Bell Telephone Labor Inc | Periodic focusing in traveling wave tubes |
-
0
- NL NL99653D patent/NL99653C/xx active
- NL NL214979D patent/NL214979A/xx unknown
-
1956
- 1956-03-01 DE DES47742A patent/DE1076280B/de active Pending
- 1956-12-27 US US630781A patent/US2876373A/en not_active Expired - Lifetime
-
1957
- 1957-01-16 FR FR1164780D patent/FR1164780A/fr not_active Expired
- 1957-02-21 CH CH355530D patent/CH355530A/de unknown
- 1957-02-26 GB GB6467/57A patent/GB853061A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL99653C (fr) | |
| FR1164780A (fr) | 1958-10-14 |
| CH355530A (de) | 1961-07-15 |
| DE1076280B (de) | 1960-02-25 |
| US2876373A (en) | 1959-03-03 |
| GB853061A (en) | 1960-11-02 |