GB1187572A - Tunable Microwave Cavities - Google Patents
Tunable Microwave CavitiesInfo
- Publication number
- GB1187572A GB1187572A GB21193/68A GB2119368A GB1187572A GB 1187572 A GB1187572 A GB 1187572A GB 21193/68 A GB21193/68 A GB 21193/68A GB 2119368 A GB2119368 A GB 2119368A GB 1187572 A GB1187572 A GB 1187572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cavity
- piezo
- walls
- insulating layer
- electric material
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
Landscapes
- Microwave Tubes (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
1,187,572. Cavity resonators; transit-time tubes. LITTON INDUSTRIES Inc. 3 May, 1968 [5 May, 1967], No. 21193/68. Headings H1D and H1W. A tunable cavity resonator-incorporated in a klystron or magnetron for example-includes a piezo-electric device of which the piezo-electric material and the electrodes are accommodated internally, and are completely surrounded by the walls, of a housing, the cavity being defined by conductive internal surfaces of walls of the housing together with a movable wall portion coupled to the piezo-electric material. As shown, one wall of a rectangular or cylindrical cavity 1 is constituted by a conductive layer 12 forming an electrode coating a plate 8 of barium titanate coated on its opposite face with electrode 10 and supported on an insulating layer 9. Steady or alternating voltages are applied across leads 13 and 15 to vary the volume of the cavity. The insulating layer 9 may be dispensed with.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63633467A | 1967-05-05 | 1967-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1187572A true GB1187572A (en) | 1970-04-08 |
Family
ID=24551444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21193/68A Expired GB1187572A (en) | 1967-05-05 | 1968-05-03 | Tunable Microwave Cavities |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3471811A (en) |
| FR (1) | FR1570690A (en) |
| GB (1) | GB1187572A (en) |
| SE (1) | SE334184B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948350A (en) * | 1974-12-20 | 1976-04-06 | Honeywell Inc. | Acoustic resonant cavity |
| US5596324A (en) * | 1994-07-11 | 1997-01-21 | Mcdonnell Douglas Corporation | Electronic baffle and baffle controlled microwave devices |
| US7449979B2 (en) * | 2002-11-07 | 2008-11-11 | Sophia Wireless, Inc. | Coupled resonator filters formed by micromachining |
| FI122012B (en) * | 2006-04-27 | 2011-07-15 | Filtronic Comtek Oy | Tuning means and tunable resonator |
| EP2887449A1 (en) * | 2013-12-17 | 2015-06-24 | Alcatel Lucent | Tunable cavity filter |
| JP2021536565A (en) * | 2018-08-27 | 2021-12-27 | マサチューセッツ インスティテュート オブ テクノロジー | Microwave resonator readout of ensemble solid-state spin sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2463472A (en) * | 1945-03-16 | 1949-03-01 | Premier Crystal Lab Inc | Cavity resonator |
-
1967
- 1967-05-05 US US636334A patent/US3471811A/en not_active Expired - Lifetime
-
1968
- 1968-04-23 FR FR1570690D patent/FR1570690A/fr not_active Expired
- 1968-05-03 SE SE05970/68A patent/SE334184B/xx unknown
- 1968-05-03 GB GB21193/68A patent/GB1187572A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1570690A (en) | 1969-06-13 |
| US3471811A (en) | 1969-10-07 |
| SE334184B (en) | 1971-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |