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1. 发明授权

US11621482B2 Antenna manufacturing method and antenna device 有权
公开(公告)号：US11621482B2
公开(公告)日：2023-04-04
申请号：US17615840
申请日：2019-06-24
申请人： Mitsubishi Electric Corporation
发明人： Kei Yokokawa , Narihiro Nakamoto , Toru Fukasawa , Hitoshi Arai , Tomohiro Takahashi , Kensuke Iwaki , Takamichi Kono , Keisuke Fujiwara
IPC分类号： H01Q1/42 , H01Q9/04 , H01Q21/00 , H01Q21/06
摘要： A conductor ground plane provided on a dielectric substrate and provided with a patch antenna and a conductor ground plane provided on the side of a dielectric substrate having a through hole are bonded by solder in a state where the through hole and the patch antenna are arranged to face each other, and a conductor ground plane provided on the back side of the dielectric substrate and a conductor ground plane provided on a dielectric substrate are bonded by solder.

2. 发明授权

US11437734B2 Antenna device and array antenna 有权
公开(公告)号：US11437734B2
公开(公告)日：2022-09-06
申请号：US17033143
申请日：2020-09-25
申请人： Mitsubishi Electric Corporation
发明人： Jun Goto , Takashi Maruyama , Toru Fukasawa
IPC分类号： H01Q21/08 , H01Q1/48 , H01Q13/10
摘要： This antenna device is provided with: a ground; strip lines that extend from positions facing each other with respect to the width direction of the ground; a plurality of slots which is provided to the ground and which intersects with straight lines along the strip lines; and branch lines which intersect with the slots that are positioned to face the branch lines in a back surface.

3. 外观设计

USD956729S1 Substrate for antenna device 有权
公开(公告)号：USD956729S1
公开(公告)日：2022-07-05
申请号：US29754093
申请日：2020-10-06
申请人： Mitsubishi Electric Corporation
设计人： Jun Goto , Toru Fukasawa

4. 发明授权

US11228104B2 Calibration device and calibration method of array antenna, array antenna, and program storage medium 有权
公开(公告)号：US11228104B2
公开(公告)日：2022-01-18
申请号：US17259767
申请日：2018-07-24
申请人： Mitsubishi Electric Corporation
发明人： Kazunari Kihira , Toru Fukasawa
IPC分类号： H01Q3/26 , H04B17/12 , H04B17/14 , H04B17/18
摘要： A calibration device of an array antenna is for a transmission means including a plurality of antenna elements and transmission signal processing systems corresponding to the plurality of antenna elements, in which an antenna element transmission signal is calibrated for amplitude and phase differences and a time difference for each of the antenna elements on the basis of a transmission signal calibrating value, the transmission means being for generating a plurality of transmission radio waves applied with amplitude and phase differences and a time difference corresponding to each of the plurality of antenna elements and emitting the transmission radio waves from the respective antenna elements, the calibration device including: a multicarrier calibration signal generating means for generating a plurality of calibration signals based on, in correspondence, a plurality of subcarriers including a first frequency unit of a subcarrier to which a subcarrier symbol is assigned and a second frequency unit not assigned a subcarrier symbol, the plurality of calibration signals being different for each of the plurality of antenna elements; injection means for injecting a plurality of calibration signals generated by the multicarrier calibration signal generating means into the transmission means in one-to-one correspondence to the transmission signal processing systems of the plurality of antenna elements; extraction means for extracting calibration signals processed by the transmission signal processing systems of the plurality of antenna elements; a demultiplexing means for demultiplexing the calibration signals, for the respective antenna elements, extracted by the extraction means into a frequency unit of an assigned subcarrier and a frequency unit not assigned as a subcarrier; and a calibration processing means for obtaining a calibration value for calibrating the amplitude and phase differences and the time difference between the transmission signal processing systems of the plurality of antenna elements using the signals demultiplexed by the demultiplexing means, and providing the transmission signal calibrating value based on the obtained calibration value to the transmission means.

5. 发明授权

US11183771B2 Array antenna device 有权
公开(公告)号：US11183771B2
公开(公告)日：2021-11-23
申请号：US16638715
申请日：2018-05-18
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Kei Yokokawa , Narihiro Nakamoto , Toru Fukasawa , Tomohiro Takahashi , Masataka Otsuka
IPC分类号： H01Q21/06 , H01Q21/00 , H01Q1/48 , H01Q9/04
摘要： Included are: a first dielectric substrate provided with a first conductor ground plane on a front or back surface thereof; a plurality of patch antennas formed in the first conductor ground plane, a plurality of conductive members, ends of which connected to the first conductor ground plane to surround the patch antennas individually, and a second conductor ground plane connected to each of the other ends of the conductive members, and parts of the plurality of conductive members penetrate the first dielectric substrate, and the remaining parts of the conductive members function as spacers for providing an air layer between the first dielectric substrate and the second conductor ground plane, and the plurality of conductive members functions as spacers for providing an air layer between the first conductor ground plane and the second conductor ground plane.

6. 发明授权

US10326201B2 Antenna apparatus and antenna excitation method 有权
公开(公告)号：US10326201B2
公开(公告)日：2019-06-18
申请号：US16078595
申请日：2017-01-27
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Tasuku Kuriyama , Satoshi Yamaguchi , Masataka Otsuka , Toru Fukasawa
IPC分类号： H04B7/02 , H04W24/00 , H01Q3/34 , H01Q3/26 , H01Q3/28
摘要： There are provided a communication excitation distribution calculating unit (11) that calculates an excitation distribution W1(t) of a communication beam using an excitation phase distribution S that directs a main lobe of the communication beam in a communication direction; an interference excitation distribution calculating unit (14) that calculates an excitation distribution W2(t) of an interference beam using an excitation phase distribution D that forms a null of an antenna pattern in the communication direction; and an excitation distribution combining unit (20) that combines the excitation distribution W1(t) of the communication beam and the excitation distribution W2(t) of the interference beam. An amplitude/phase controlling unit (30) controls amplitudes and phases of carrier signals to be provided to element antennas (3-1) to (3-K), in accordance with the combined excitation distribution obtained by the excitation distribution combining unit (20).

7. 发明授权

US10243256B2 Antenna device and antenna manufacturing method 有权
公开(公告)号：US10243256B2
公开(公告)日：2019-03-26
申请号：US15110492
申请日：2014-08-04
申请人： Mitsubishi Electric Corporation
发明人： Hidetoshi Makimura , Kengo Nishimoto , Toru Fukasawa , Kazunori Takahashi , Kazuya Hojo
IPC分类号： H01Q1/24 , H01Q1/32 , H01Q1/38 , H01Q1/42 , H01Q1/48 , H01Q7/00 , G07C9/00
摘要： The present invention is characterized by an antenna device including: a circuit board; a circuit pattern formed by a conductor on a surface of the circuit board; and a minute loop antenna mounted on the circuit board and formed in a loop shape by a conductor having two end portions, wherein the circuit pattern includes at least a feeder circuit configured to supply power to the minute loop antenna, and a ground, and the minute loop antenna is mounted on the circuit board such that: the conductor having the two end portions is connected at one end thereof to the feeder circuit and connected at another end thereof to the ground; a loop surface of the conductor having the two end portions is perpendicular to a plane on which the circuit pattern is formed; and a normal line passing through the loop surface does not pass through the circuit pattern.

8. 外观设计

USD793371S1 Antenna element 有权
公开(公告)号：USD793371S1
公开(公告)日：2017-08-01
申请号：US29558713
申请日：2016-03-21
申请人： MITSUBISHI ELECTRIC CORPORATION
设计人： Hidetoshi Makimura , Takashi Yanagi , Toru Fukasawa , Kazunori Takahashi

9. 发明授权

US11276940B2 Waveguide slot array antenna 有权
公开(公告)号：US11276940B2
公开(公告)日：2022-03-15
申请号：US17032720
申请日：2020-09-25
申请人： Mitsubishi Electric Corporation
发明人： Narihiro Nakamoto , Toru Fukasawa , Shuji Nuimura
IPC分类号： H01Q21/00 , H01Q25/00 , H01Q5/55 , H01Q13/18 , H01Q21/06
摘要： A dielectric substrate is provided between a first waveguide member and a second waveguide member. The second waveguide member includes a plurality of slots for radiating a horizontally polarized wave. The dielectric substrate is provided with a plurality of line-shaped conductors arranged obliquely with respect to the waveguide axial direction and waveguide wall conductors as waveguide wall surfaces, and includes conductor-removed portions that function as vertically-polarized-wave radiation slot parallel to the waveguide axial direction. The waveguide wall conductors are connected by vias.

10. 发明授权

US11128053B2 Array antenna device 有权
公开(公告)号：US11128053B2
公开(公告)日：2021-09-21
申请号：US16605482
申请日：2018-01-31
申请人： Mitsubishi Electric Corporation
发明人： Narihiro Nakamoto , Satoshi Yamaguchi , Toru Fukasawa , Masataka Otsuka , Hiroaki Miyashita
IPC分类号： H01Q21/06 , H01Q3/38 , H01Q3/34 , H01P5/107 , H01Q21/00 , H01P1/18 , H01Q13/22 , H01Q21/08
摘要： Included are: a waveguide in which multiple probe inserting holes are provided in a first wall surface, and multiple connection shaft inserting holes are provided in a second wall surface; multiple feed probes each of which is inserted in one of the probe inserting holes, and to a first end of each of which one of multiple circularly polarized element antennas is connected; multiple connection shafts each of which is inserted in one of the connection shaft inserting holes, and a third end of each of which is connected to a second end of one of the feed probes; multiple rotation shafts, a fifth end of each of which is connected to a fourth end of one of the connection shafts; multiple rotation devices each of which rotates one of the rotation shafts; and a control device that individually controls rotation of the rotation devices.

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