JPS49124962A - - Google Patents
Info
- Publication number
- JPS49124962A JPS49124962A JP48088748A JP8874873A JPS49124962A JP S49124962 A JPS49124962 A JP S49124962A JP 48088748 A JP48088748 A JP 48088748A JP 8874873 A JP8874873 A JP 8874873A JP S49124962 A JPS49124962 A JP S49124962A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
-
- 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
Landscapes
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27840872A | 1972-08-07 | 1972-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49124962A true JPS49124962A (it) | 1974-11-29 |
Family
ID=23064862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48088748A Pending JPS49124962A (it) | 1972-08-07 | 1973-08-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3787747A (it) |
| JP (1) | JPS49124962A (it) |
| DE (1) | DE2338061A1 (it) |
| FR (1) | FR2195838B1 (it) |
| GB (1) | GB1406938A (it) |
| IL (1) | IL42696A (it) |
| IT (1) | IT992766B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007502522A (ja) * | 2003-08-12 | 2007-02-08 | マンハッタン テクノロジィズ エルエルシー | 二平面型後進波発振器の方法と装置 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909651A (en) * | 1974-08-15 | 1975-09-30 | Us Army | Low-cost periodic permanent magnet and electrostatic focusing scheme for electron tubes |
| US3982152A (en) * | 1974-11-25 | 1976-09-21 | Raytheon Company | Cascade crossed field device |
| US3971965A (en) * | 1975-03-31 | 1976-07-27 | The United States Of America As Represented By The Secretary Of The Army | Internally-focused traveling wave tube |
| US4107573A (en) * | 1977-02-02 | 1978-08-15 | The United States Of America As Represented By The Secretary Of The Army | Printed circuit traveling wave tube |
| US4232249A (en) * | 1978-09-28 | 1980-11-04 | Bell Telephone Laboratories, Incorporated | Beam-switched traveling wave tube |
| US4392078A (en) * | 1980-12-10 | 1983-07-05 | General Electric Company | Electron discharge device with a spatially periodic focused beam |
| US5227691A (en) * | 1989-05-24 | 1993-07-13 | Matsushita Electric Industrial Co., Ltd. | Flat tube display apparatus |
| AU6086994A (en) * | 1993-01-11 | 1994-08-15 | Real Time Electronics Corporation | High frequency scan converter |
| US6700454B2 (en) | 2001-06-29 | 2004-03-02 | Zvi Yaniv | Integrated RF array using carbon nanotube cathodes |
| FR2856189B1 (fr) * | 2003-06-10 | 2007-02-16 | Hutchinson | Procede de fabrication d'un dispositif de codage magnetique, ainsi que le dispositif ainsi obtenu |
| US7538608B2 (en) * | 2003-06-30 | 2009-05-26 | Massachusetts Institute Of Technology | Photonic crystal ribbon-beam traveling wave amplifier |
| US7193485B2 (en) | 2003-08-12 | 2007-03-20 | James A. Dayton, Jr. | Method and apparatus for bi-planar backward wave oscillator |
| WO2008008504A2 (en) * | 2006-07-13 | 2008-01-17 | Manhattan Technologies, Llc | Apparatus and method for producing electromagnetic oscillations |
| US20100045160A1 (en) * | 2008-08-20 | 2010-02-25 | Manhattan Technologies Ltd. | Multibeam doubly convergent electron gun |
| US8723137B1 (en) * | 2012-10-17 | 2014-05-13 | Innosys, Inc | Hybrid magnet for vacuum electronic device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2812470A (en) * | 1954-10-22 | 1957-11-05 | Bell Telephone Labor Inc | Periodic focusing in traveling wave tubes |
| US2911555A (en) * | 1957-09-04 | 1959-11-03 | Hughes Aircraft Co | Traveling-wave tube |
| US3102211A (en) * | 1959-08-19 | 1963-08-27 | Varian Associates | Adiabatic beam condenser method and apparatus |
| US3231780A (en) * | 1960-10-14 | 1966-01-25 | Sfd Lab Inc | Meandering slow wave circuit having high impedance stub support means |
| US3504222A (en) * | 1966-10-07 | 1970-03-31 | Hitachi Ltd | Slow-wave circuit including meander line and shielding therefor |
| US3610999A (en) * | 1970-02-05 | 1971-10-05 | Varian Associates | Slow wave circuit and method of fabricating same |
| US3670196A (en) * | 1971-02-24 | 1972-06-13 | Raytheon Co | Helix delay line for traveling wave devices |
| US3705327A (en) * | 1971-06-02 | 1972-12-05 | Allan W Scott | Microwave generator with interleaved focusing and interaction structures |
-
1972
- 1972-08-07 US US00278408A patent/US3787747A/en not_active Expired - Lifetime
-
1973
- 1973-07-09 IL IL42696A patent/IL42696A/en unknown
- 1973-07-26 DE DE19732338061 patent/DE2338061A1/de active Pending
- 1973-07-31 IT IT27320/73A patent/IT992766B/it active
- 1973-08-03 FR FR7328509A patent/FR2195838B1/fr not_active Expired
- 1973-08-03 GB GB3700473A patent/GB1406938A/en not_active Expired
- 1973-08-07 JP JP48088748A patent/JPS49124962A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007502522A (ja) * | 2003-08-12 | 2007-02-08 | マンハッタン テクノロジィズ エルエルシー | 二平面型後進波発振器の方法と装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT992766B (it) | 1975-09-30 |
| FR2195838B1 (it) | 1977-02-25 |
| FR2195838A1 (it) | 1974-03-08 |
| IL42696A (en) | 1976-02-29 |
| US3787747A (en) | 1974-01-22 |
| GB1406938A (en) | 1975-09-17 |
| IL42696A0 (en) | 1973-10-25 |
| DE2338061A1 (de) | 1974-02-21 |