NL50891C - - Google Patents
Info
- Publication number
- NL50891C NL50891C NL50891DA NL50891C NL 50891 C NL50891 C NL 50891C NL 50891D A NL50891D A NL 50891DA NL 50891 C NL50891 C NL 50891C
- Authority
- NL
- Netherlands
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
- H01P7/04—Coaxial resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
- H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US118971A US2181901A (en) | 1937-01-04 | 1937-01-04 | Resonant line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50891C true NL50891C (US06342305-20020129-C00040.png) |
Family
ID=22381867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50891D NL50891C (US06342305-20020129-C00040.png) | 1937-01-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2181901A (US06342305-20020129-C00040.png) |
| FR (1) | FR831568A (US06342305-20020129-C00040.png) |
| GB (1) | GB489598A (US06342305-20020129-C00040.png) |
| NL (1) | NL50891C (US06342305-20020129-C00040.png) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422160A (en) * | 1944-06-13 | 1947-06-10 | Rca Corp | Variable reactance device for coaxial lines |
| US2689915A (en) * | 1944-11-04 | 1954-09-21 | Us Navy | Folded line oscillator |
| US2790855A (en) * | 1953-04-17 | 1957-04-30 | Rca Corp | Cavity resonator circuit |
| US2890425A (en) * | 1957-04-30 | 1959-06-09 | Hoffman Electronics Corp | Cavity resonator construction or the like |
| US3452293A (en) * | 1966-10-24 | 1969-06-24 | Collins Radio Co | Dual-band transmission line tunable resonant tank circuit |
| US3448412A (en) * | 1967-04-21 | 1969-06-03 | Us Navy | Miniaturized tunable resonator comprising intermeshing concentric tubular members |
| US3657671A (en) * | 1969-08-05 | 1972-04-18 | Westinghouse Electric Corp | Hybrid tunable cavity resonator |
| JPS55100701A (en) * | 1979-01-26 | 1980-07-31 | Matsushita Electric Ind Co Ltd | Coaxial resonator |
| EP2882033A1 (en) * | 2013-12-09 | 2015-06-10 | Centre National De La Recherche Scientifique | Radio-frequency resonator and filter |
| KR101615095B1 (ko) * | 2014-03-11 | 2016-04-26 | 주식회사 웨이브일렉트로닉스 | 수직 또는 수평 방향으로 교차하는 격벽 구조를 포함하는 공진기 및 이를 이용한 필터 |
| US10414379B2 (en) * | 2014-12-18 | 2019-09-17 | Kimblade Co., Ltd. | Wiper blade |
| EP3104452A1 (en) * | 2015-06-10 | 2016-12-14 | Alcatel Lucent | A resonator, a microwave frequency filter and a method of radio frequency filtering |
| EP3179552B1 (en) * | 2015-12-10 | 2020-06-10 | Alcatel Lucent | A resonator assembly, a radio frequency filter and a method of radio-frequency filtering |
| CN206236769U (zh) * | 2016-10-25 | 2017-06-09 | 华为技术有限公司 | 一种合路器及天线装置 |
| CN112186323A (zh) * | 2020-09-04 | 2021-01-05 | 广州司南天线设计研究所有限公司 | 微波谐振器和滤波器 |
-
0
- NL NL50891D patent/NL50891C/xx active
-
1937
- 1937-01-04 US US118971A patent/US2181901A/en not_active Expired - Lifetime
- 1937-12-30 GB GB36154/37A patent/GB489598A/en not_active Expired
-
1938
- 1938-01-03 FR FR831568D patent/FR831568A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB489598A (en) | 1938-07-29 |
| FR831568A (fr) | 1938-09-08 |
| US2181901A (en) | 1939-12-05 |
