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1. 发明授权

US11444362B2 Signal processing circuit, radio frequency signal transmitter, and communications device 有权
公开(公告)号：US11444362B2
公开(公告)日：2022-09-13
申请号：US16908321
申请日：2020-06-22
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Jie Sun , Yan Gao , Zhixiong Zeng
IPC分类号： H01P1/38 , H01P5/22 , H03F1/02 , H03F3/24 , H04B1/04
摘要： Embodiments of this application disclose a signal processing circuit, a radio frequency signal transmitter, and a communications device, and relate to the field of electronic device technologies, to improve power amplification efficiency of the signal processing circuit. The signal processing circuit includes: a splitter, a radio frequency signal converter, a first branch power amplifier, a second branch power amplifier, and a combiner. The splitter is connected to the radio frequency signal converter, the radio frequency signal converter is connected to the first branch power amplifier and the second branch power amplifier, and the first branch power amplifier and the second branch power amplifier are connected to the combiner.

2. 发明申请

US20220263212A1 HIGH FREQUENCY POWER DIVIDER/COMBINER CIRCUIT 有权
公开(公告)号：US20220263212A1
公开(公告)日：2022-08-18
申请号：US17735958
申请日：2022-05-03
申请人： Advantest Corporation
发明人： Giovanni BIANCHI , José MOREIRA , Alexander QUINT
IPC分类号： H01P5/22
摘要： A high frequency power divider circuit for distributing an input signal to two or more signal output ports, comprising: a rat race coupler, wherein the rat race coupler is configured to couple an input signal provided at an input port of the rat race coupler to a first output of the rat race coupler and to a second output of the rat race coupler; a first coupling structure coupled to the first output of the rat race coupler, to couple the first output of the rat race coupler with a first signal output port; and a second coupling structure coupled to the second output of the rat race coupler, to couple the second output of the rat race coupler with a second signal output port; wherein a characteristic impedance of a first transmission line portion between the input port and the first output of the rat race coupler deviates from a nominal ring impedance of the rat race coupler in a first direction, and wherein a characteristic impedance of a second transmission line portion between the input port and the second output of the rat race coupler deviates from the nominal ring impedance of the rat race coupler in a second direction, which is opposite to the first direction.

3. 发明授权

US11362698B2 Low-insertion-loss triple throw switch 有权
公开(公告)号：US11362698B2
公开(公告)日：2022-06-14
申请号：US16632326
申请日：2018-07-18
申请人： University of Utah Research Foundation
发明人： Kyle David Holzer , Jeffrey S. Walling
IPC分类号： H04B1/44 , H01P5/22 , H03F3/21
摘要： An electronic switch for switching between signal outputs comprises a 6-way symmetric hybrid ring combiner. Each port within the 6-way symmetric hybrid ring combiner is positioned at λ/4 wavelength increments around a circumference of the 6-way symmetric hybrid ring combiner.

4. 发明授权

US11133566B2 Branch-line directional coupler and power amplifier device 有权
公开(公告)号：US11133566B2
公开(公告)日：2021-09-28
申请号：US16646014
申请日：2019-07-16
申请人： KABUSHIKI KAISHA TOSHIBA , TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
发明人： Tooru Kanehira
IPC分类号： H01P5/18 , H01P5/22 , H04B1/04
摘要： A branch line directional coupler has a first line, a second line, a first open-ended coupled circuit, and a second open-ended coupled circuit. The first and second lines have a first characteristic impedance and a quarter wavelength length. The first open-ended coupled line has one end connected to the first line and the other end connected to the second line. The second open-ended coupled line has one end connected to the first line and the other end connected to the second line. The first open-ended coupled line has two coupled lines having a coupling length of a quarter wavelength, an open stub, and a connecting line, and has a total length of one-half wavelength. The second open-ended coupled line includes two coupled lines having a coupling length of ¼-wavelength, open stubs, and a connecting line, and has a total length of ½-wavelength.

5. 发明授权

US10890654B2 Radar system comprising coupling device 有权
公开(公告)号：US10890654B2
公开(公告)日：2021-01-12
申请号：US16176308
申请日：2018-10-31
申请人： NXP USA, INC.
发明人： Ziqiang Tong , Shamsuddin Ahmed
IPC分类号： G01S13/87 , H01P5/18 , G01S7/03 , H01P5/22 , G01S13/931 , H03H7/18 , G01S7/02
摘要： A radar system (200, 200a) and a method of operating a radar system are described, the radar system (200, 200a) comprising: a plurality of ICs (210, 220), each IC (210, 220) comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); and a coupling device (230, 330), the coupling device (230, 330) comprising: a plurality of inputs (232, 234; 341, 342, 351, 352), each input being coupled to the LO output (212, 222) of a respective IC (200, 200a), and a plurality of outputs (236, 238; 363, 364, 373, 374), each output being coupled to the LO input (212, 222) of a respective IC (214, 224); wherein the coupling device (230, 330) is configured such that a LO signal arriving at any one of said plurality of inputs (232, 234; 341, 342, 351, 352) is distributed to each of said plurality of outputs (236, 238; 363, 364, 373, 374). The coupling device (230, 330) may comprise at least one directional coupler.

6. 发明申请

US20200276047A1 DEVICE AND METHOD FOR OPENING AN AIRWAY 审中-公开
公开(公告)号：US20200276047A1
公开(公告)日：2020-09-03
申请号：US16877247
申请日：2020-05-18
申请人： SOMMETRICS, INC.
发明人： Jerome K. Aarestad , Richard Rose , John Nelson , Donna Palmer , Paulo Rangel
IPC分类号： A61F5/56 , H01P5/22
摘要： A device and a method for creating and/or maintaining an obstruction free upper respiratory passages. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with the subject's internal soft tissue associated with the neck's anterior triangle. The device is capable of exerting negative pressure on the surface of a subject's neck, displacing the soft tissue forward and enlarging the airway.

7. 发明授权

US10658764B2 Feeding network of dual-beam antenna and dual-beam antenna 有权
公开(公告)号：US10658764B2
公开(公告)日：2020-05-19
申请号：US16007165
申请日：2018-06-13
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Weiguang Shi , Zhiqiang Liao , Xinneng Luo , Tao Guan
IPC分类号： H01Q21/24 , H01P5/22 , H01P1/18 , H01P5/18 , H01Q25/00 , H01Q1/52 , H01Q3/40 , H01Q1/00 , H01Q1/48 , H01Q21/00
摘要： A feeding network of a dual-beam antenna and a dual-beam antenna are disclosed. The feeding network includes: a cavity, including an upper grounding metal plate and a lower grounding metal plate; a printed circuit board PCB, disposed inside the cavity, where a splitting network circuit and a phase-shift circuit in the feeding network are integrated into the PCB, and arrangement of the PCB and the cavity enables a wire on the PCB to have a strip line structure as a whole; and at least two radio-frequency signal input ports, where the at least two radio-frequency signal input ports are connected to the splitting network circuit on the PCB.

8. 发明申请

US20200083582A1 HIGH FREQUENCY CIRCUIT WITH RADAR ABSORBING MATERIAL TERMINATION COMPONENT AND RELATED METHODS 审中-公开
公开(公告)号：US20200083582A1
公开(公告)日：2020-03-12
申请号：US16563729
申请日：2019-09-06
申请人： XCERRA CORPORATION
发明人： Jason Mroczkowski , Nadia Steckler , James Hattis , Aaren Lonks
IPC分类号： H01P1/26 , H01L23/66 , H01L23/495 , H01P5/22
摘要： A high speed circuit assembly includes a high speed circuit including at least one transmission line extending to a transmission line end, and radar absorbing material disposed adjacent the transmission line.

9. 发明授权

US10581136B2 Three-way power divider and multibeam forming circuit 有权
公开(公告)号：US10581136B2
公开(公告)日：2020-03-03
申请号：US16094820
申请日：2016-05-24
申请人： Mitsubishi Electric Corporation
发明人： Yu Ushijima , Hidenori Yukawa , Motomi Watanabe , Naofumi Yoneda
IPC分类号： H01P5/16 , H01P5/22 , H01P5/18 , H01P1/18
摘要： An input waveguide (6) having one end connected between an L-shaped waveguide (1a) and an L-shaped waveguide (1f) and another end connected to the PORT (1); an output waveguide (7) having one end connected between the L-shaped waveguide (1a) and a flat waveguide (1b) and another end connected to the PORT (2); an output waveguide (8) having one end connected between the flat waveguide (1b) and an L-shaped waveguide (1c) and another end connected to the PORT (3); an output waveguide (9) having one end connected between the L-shaped waveguide (1c) and an L-shaped waveguide (1d) and another end connected to the PORT (4); and a plurality of branching waveguides (10) each having one end connected to the output waveguide (7) and another end connected to the output waveguide (8) are provided.

10. 发明授权

US10218331B2 Quadrature hybrid with multi-layer structure 有权
公开(公告)号：US10218331B2
公开(公告)日：2019-02-26
申请号：US15309982
申请日：2014-05-12
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： Bo Zhou , Yang Ji , Junyou Chen
IPC分类号： H01P5/16 , H03H7/01 , H01P5/18 , H03H7/075 , H03H7/09 , H01P5/22 , H01G4/40 , H03H1/00
摘要： The disclosure provides a quadrature hybrid. The quadrature hybrid has a first, second, third and fourth ports. The quadrature hybrid comprises: a substrate having a plurality of dielectric layers; a first, second and third capacitors, each capacitor having a first predetermined number of layers each being arranged on one of the plurality of dielectric layers; and a first, second, third and fourth inductors, each inductor having a second predetermined number of layers each being arranged on one of the plurality of dielectric layers.

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