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41. 发明授权

US2825765A Amplifying circuit for micro-waves, especially millimeter waves 失效
标题翻译：微波放大电路，特别是毫米波
公开(公告)号：US2825765A
公开(公告)日：1958-03-04
申请号：US47507854
申请日：1954-12-14
申请人： PIERRE MARIE GEORGES ROBERT
发明人： PIERRE MARIE GEORGES ROBERT
IPC分类号： H01P7/06 , H01S1/02 , H03F3/58 , H03F7/02
CPC分类号： H03F7/02 , H01P7/06 , H01S1/02 , H03F3/58

42. 发明授权

US11444579B2 Super-linear power amplifiers with adaptive biasing 有权
公开(公告)号：US11444579B2
公开(公告)日：2022-09-13
申请号：US16958032
申请日：2018-12-17
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Rui Hou , Andre Bleker , Lars Ridell Virtanen
IPC分类号： H03F3/68 , H03F1/02 , H03F3/21 , H03F3/58
摘要： In one aspect, a power amplifier apparatus comprising a power amplifier (PA) and an adaptive controller is provided. The PA comprises at least one transistor and the adaptive controller is configured to control a bias voltage of the transistor based on a measured power efficiency of the PA and a measure output signal quality of the PA. In another aspect, a method of optimizing PA performance is provided. The PA comprises at least one transistor and the method includes initializing a bias voltage of the transistor, receiving measurements indicating a power efficiency and an output signal quality of the PA, evaluating the received measurements, calculating a new bias voltage for the transistor based on the evaluation, and applying the calculated new bias voltage to the transistor.

43. 发明授权

US11201028B2 Traveling wave tube amplifier having a helical slow-wave structure supported by a cylindrical scaffold 有权
公开(公告)号：US11201028B2
公开(公告)日：2021-12-14
申请号：US16589348
申请日：2019-10-01
申请人： Wisconsin Alumni Research Foundation
发明人： Max G. Lagally , Matthew McLean Dwyer , Francesca Cavallo , Daniel Warren van der Weide , Abhishek Bhat
IPC分类号： H01J23/26 , H03F3/58 , H01J25/44 , H01J9/14 , H01J23/24 , H01J25/34
摘要： Traveling-wave tube amplifiers for high-frequency signals, including terahertz signals, and methods for making a slow-wave structure for the traveling-wave tube amplifiers are provided. The slow-wave structures include helical conductors that are self-assembled via the release and relaxation of strained films from a sacrificial growth substrate.

44. 发明申请

US20210099142A1 SELF-ASSEMBLED HELICAL SLOW-WAVE STRUCTURES FOR HIGH-FREQUENCY SIGNALS 有权
公开(公告)号：US20210099142A1
公开(公告)日：2021-04-01
申请号：US16589348
申请日：2019-10-01
申请人： Wisconsin Alumni Research Foundation
发明人： Max G. Lagally , Matthew McLean Dwyer , Francesca Cavallo , Daniel Warren van der Weide , Abhishek Bhat
IPC分类号： H03F3/58 , H01J9/14 , H01J25/44
摘要： Traveling-wave tube amplifiers for high-frequency signals, including terahertz signals, and methods for making a slow-wave structure for the traveling-wave tube amplifiers are provided. The slow-wave structures include helical conductors that are self-assembled via the release and relaxation of strained films from a sacrificial growth substrate.

45. 发明授权

US10580611B2 Rapid 3D prototyping and fabricating of slow-wave structures, including electromagnetic meta-material structures, for millimeter-wavelength and terahertz-frequency high-power vacuum electronic devices 有权
公开(公告)号：US10580611B2
公开(公告)日：2020-03-03
申请号：US14603987
申请日：2015-01-23
申请人： Raytheon Company
发明人： Andrey D. Andreev , J. Gregory Moxness , Maysa-Maria K. Peterson Lach
IPC分类号： B22F3/105 , B29C64/141 , H01J23/24 , H03F3/58 , H01Q15/00 , B22F5/10 , B22F5/00 , B33Y10/00 , B33Y50/00 , B33Y70/00 , B33Y80/00 , B29L31/34
摘要： A method for fabricating slow-wave structures, including electromagnetic meta-material structures, for high-power slow-wave vacuum electronic devices operating in millimeter-wavelength (30 GHz-300 GHz) and terahertz-frequency (300 GHz and beyond) bands of electromagnetic spectrum. The method includes: loading a digital three dimensional model of a slow-wave structure in a memory of a 3D printer, the loaded digital three dimensional model having data therein representative of the slow-wave structure to be fabricated by the 3D printer; loading metal powder material into the 3D printer; and operating the 3D printer to melt the metal powder material in accordance with the loaded three dimensional model of the slow-wave structure and then to solidify the melted layer of the metal powder material to fabricate the slow-wave structure layer by layer.

46. 发明申请

US20170230010A1 WAVEGUIDE 审中-公开
公开(公告)号：US20170230010A1
公开(公告)日：2017-08-10
申请号：US15519018
申请日：2015-10-13
申请人： Lancaster University Business Enterprises Limited
发明人： Claudio Paoloni , Mauro Mineo
IPC分类号： H03F1/06 , H03F3/189 , H03F3/58 , H01P3/12
CPC分类号： H01J23/16 , H01J23/36 , H01J25/02 , H01P3/12 , H03F1/06 , H03F3/189 , H03F3/54 , H03F3/58
摘要： The present invention is a rectangular waveguide providing amplification of an electromagnetic wave via interaction with an electron beam in a linear interaction channel where the electron beam enters the waveguide at a first curved part of the waveguide, traverses the linear interaction channel and exits the waveguide at a second curved part of the waveguide.

47. 发明申请

US20140285259A1 Method for Operating an Amplifier Module of a Satellite 有权
标题翻译：操作卫星放大器模块的方法
公开(公告)号：US20140285259A1
公开(公告)日：2014-09-25
申请号：US14218087
申请日：2014-03-18
申请人： Tesat-Spacecom GmbH & Co. KG
发明人： Hanspeter KATZ , Gerhard REINWALD
IPC分类号： H03F3/58 , H03F3/189
CPC分类号： H03F3/58 , H03F1/52 , H03F3/189 , H03F3/54 , H03F3/60 , H04B7/18515 , H04B17/104 , H04B17/16 , H04B17/17
摘要： A method for operating an amplifier module of a communication satellite involves establishing an undesired state of the amplifier module, storing state data, which indicate the undesired state, in a nonvolatile memory of the amplifier module, after the undesired state has been established, and deactivating the amplifier module after the storage of the state data.
摘要翻译：一种用于操作通信卫星的放大器模块的方法包括在不期望的状态已经建立之后，在放大器模块的非易失性存储器中建立放大器模块的不期望的状态，将指示不期望状态的状态数据存储在非易失性存储器中，并且停用放大器模块后存储状态数据。

48. 发明授权

US07538608B2 Photonic crystal ribbon-beam traveling wave amplifier 失效
标题翻译：光子晶体束光束行波放大器
公开(公告)号：US07538608B2
公开(公告)日：2009-05-26
申请号：US10870116
申请日：2004-06-17
申请人： Chiping Chen , Bao-Liang Qian , Richard J. Temkin
发明人： Chiping Chen , Bao-Liang Qian , Richard J. Temkin
IPC分类号： H03F3/58
CPC分类号： H01J23/24 , H01J25/38 , H01J25/44
摘要： A RF amplifier includes a RF input section for receiving a RF input signal. At least one single-sided slow-wave structure is associated with the RF interaction section. An electron ribbon beam that interacts with the RF input supported by the at least one single-sided slow-wave structure so that the kinetic energy of the electron beam is transferred to the RF fields of the RF input signal, thus amplifying the RF input signal. A RF output section outputs the amplified RF input signal.
摘要翻译： RF放大器包括用于接收RF输入信号的RF输入部分。至少一个单侧慢波结构与RF相互作用部分相关联。与由至少一个单侧慢波结构支持的RF输入相互作用的电子束光束，使得电子束的动能转移到RF输入信号的RF场，从而放大RF输入信号。 RF输出部分输出放大的RF输入信号。

49. 发明授权

US07071624B2 Microwave tube system and microwave tube 有权
标题翻译：微波管系统和微波管
公开(公告)号：US07071624B2
公开(公告)日：2006-07-04
申请号：US10958255
申请日：2004-10-06
申请人： Hiroshi Tsuchida
发明人： Hiroshi Tsuchida
IPC分类号： H01J25/34 , H03F3/58
CPC分类号： H01J23/34 , H01J25/34
摘要： A microwave tube has a configuration in which the connection between an anode electrode and the helix is cut, the helix is grounded, and a current suppression element is provided between the anode electrode and ground voltage for suppressing the continuous time interval of the flow of an excess current to the helix that is caused by discharge to a time interval range that does not threaten damage to the helix, i.e., to a time interval range in which an alarm signal is not supplied.
摘要翻译：微波管具有这样的结构，其中阳极和螺旋之间的连接被切断，螺旋接地，并且在阳极和接地电压之间设置电流抑制元件，以抑制阳极和螺旋的流动的连续时间间隔由放电引起的螺旋线的过电流到不会对螺旋线造成损害的时间间隔范围，即到不提供报警信号的时间间隔范围。

50. 发明授权

US06909235B2 Power regulator for intermittent use of traveling wave tube amplifiers in communications satellites 失效
标题翻译：用于通信卫星间歇性使用行波管放大器的功率调节器
公开(公告)号：US06909235B2
公开(公告)日：2005-06-21
申请号：US10639927
申请日：2003-08-12
申请人： Herbert J. Wolkstein , Douglas Vernon McKinnon
发明人： Herbert J. Wolkstein , Douglas Vernon McKinnon
IPC分类号： H03F3/58 , H01J25/34
CPC分类号： H03F3/58
摘要： A traveling wave tube (TWT) amplifier includes a beam forming electrode (BFE) and a BFE modulator having a bias-based keyer so that the TWT amplifier signals are keyed off during periods when RF power is not to be amplified. Biasing the beam forming electrode voltage off relative to cathode voltage effectively shuts down the electron beam without shutting down the power supply minimizes power supply stress and significantly improves reliability, so that low-level RF signal input is not amplified, and no significant RF power is output. Likewise, given that no amplification has taken place, no power associated with the TWT amplification function is consumed. Thus, the only power consumed by the TWT amplifier is that associated with the cathode heater and the electronic power conditioner (EPC) used as the electron beam source.
摘要翻译：行波管（TWT）放大器包括波束形成电极（BFE）和具有基于偏压的键控器的BFE调制器，以便在RF功率不被放大的时段期间TWT放大器信号被锁定。相对于阴极电压偏移光束形成电极电压有效地关闭电子束而不关闭电源，使电源应力最小化并显着提高可靠性，使得低电平RF信号输入不被放大，并且没有显着的RF功率输出。同样，由于没有发生放大，所以不消耗与TWT放大功能相关的功率。因此，TWT放大器消耗的唯一功率是与用作电子束源的阴极加热器和电子功率调节器（EPC）相关联。

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