公开(公告)号：US20150365066A1

公开(公告)日：2015-12-17

申请号：US14768308

申请日：2014-02-20

Applicant: NEC CORPORATION

Inventor： Masahiro TANOMURA ,  Shuhei YOSHIDA ,  Kaoru SHIZUNO

IPC: H03H7/40 ,  H01F38/14 ,  H04B5/00

CPC classification number: H03H7/40 ,  H01F38/14 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0075

Abstract: A transmission apparatus transmits electric power via a medium that is present between the transmission apparatus and a receiving apparatus. The transmission apparatus includes: an antenna; and a power transmission circuit that outputs electric power via the antenna of the transmission apparatus, the electric power having a first resonance frequency determined by an impedance of the medium, an impedance of the antenna of the transmission apparatus, and an impedance of an antenna of the receiving apparatus.

Abstract translation: 发送装置经由存在于发送装置和接收装置之间的介质发送电力。 发送装置包括：天线; 以及电力传输电路，其经由所述发送装置的天线输出电力，所述电力具有由所述介质的阻抗确定的第一共振频率，所述发送装置的天线的阻抗和所述天线的阻抗 接收装置。

公开(公告)号：US20190242749A1

公开(公告)日：2019-08-08

申请号：US16341133

申请日：2017-09-21

Applicant: NEC Corporation

Inventor： Chenhui HUANG ,  Masahiro TANOMURA

IPC: G01J3/18 ,  G01J3/36 ,  G01J3/40 ,  G01J3/02

CPC classification number: G01J3/18 ,  G01J3/0205 ,  G01J3/12 ,  G01J3/36 ,  G01J3/40

Abstract: A spectroscopic device and the like that are capable of fast spectral dispersion are provided. The spectroscopic device includes: a modulation unit for converting wavefront shapes of light according to wavelengths; and a demodulation unit for changing a phase of light of a selected wavelength within the light whose wavefront shapes have been converted, in such a way that the light changes into a predetermined state.

公开(公告)号：US20150311880A1

公开(公告)日：2015-10-29

申请号：US14441296

申请日：2013-11-07

Applicant: NEC CORPORATION

Inventor： Shuhei YOSHIDA ,  Masahiro TANOMURA

IPC: H03H7/38 ,  H02J7/02 ,  H01F38/14 ,  H02J5/00

CPC classification number: H03H7/38 ,  H01F38/14 ,  H02J5/005 ,  H02J7/0042 ,  H02J7/025 ,  H02J50/12 ,  H02J50/50

Abstract: An electric power transmission device characterized in that the electric power transmission device includes a power transmitting unit which wirelessly transmits an electric power and a power receiving unit which receives the electric power, the power transmitting unit and the power receiving unit include a coil for electric power transmission and an inclusion unit made of a dielectric material covering the coil for electric power transmission, at least one of the power transmitting unit and the power receiving unit includes an impedance adjustment unit which varies the impedance thereof, and the electric power is transmitted at a resonance frequency determined by an impedance of the power transmitting unit, an impedance of the power receiving unit, and an impedance of the conducting medium.

Abstract translation: 一种电力传输装置，其特征在于，所述电力传输装置包括无线发送电力的电力发送单元和接收所述电力的电力接收单元，所述电力发送单元和所述电力接收单元包括用于电力的线圈 传输和由覆盖用于电力传输的线圈的电介质材料制成的包含单元，所述电力传输单元和所述电力接收单元中的至少一个包括阻抗调节单元，所述阻抗调节单元改变其阻抗，并且电力在 由功率发送单元的阻抗，受电单元的阻抗和导电介质的阻抗确定的谐振频率。

公开(公告)号：US20190207429A1

公开(公告)日：2019-07-04

申请号：US16332254

申请日：2017-09-11

Applicant: NEC CORPORATION

Inventor： Shuhei YOSHIDA ,  Masahiro TANOMURA

IPC: H02J50/12 ,  H02J50/40 ,  H03H7/40 ,  B63G8/00

CPC classification number: H02J50/12 ,  B63G8/00 ,  H02J50/40 ,  H03H7/40

Abstract: In order to facilitate impedance matching even when using a magnetic field antenna for power transmission in a medium, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103, the impedance of a power receiving antenna 104, and the impedance of a good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have multiple antenna coils 1061, and multiple resonant antenna units 1051 to 1054 having at least one dielectric 1071 arranged between the multiple antenna coils 1061, and, at least one of the multiple resonant antenna units 1051 to 1054 is provided with a load adjustment mechanism 1081 for adjusting the load.

公开(公告)号：US20190207428A1

公开(公告)日：2019-07-04

申请号：US16331029

申请日：2017-09-11

Applicant: NEC CORPORATION

Inventor： Shuhei YOSHIDA ,  Masahiro TANOMURA ,  Hiromitsu TAHARA

IPC: H02J50/12 ,  H01F38/14 ,  B60L53/12 ,  B63G8/00

CPC classification number: H02J50/12 ,  B60L53/12 ,  B60L2200/32 ,  B63G8/001 ,  H01F27/2804 ,  H01F38/14 ,  H02J50/40

Abstract: In order to reduce a power transmission antenna and power receiving antenna of a wireless power supply device for supplying power underwater to a size suitable for an underwater mobile body and sensor, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103 that transmits energy wirelessly in a good conductor medium 102, the impedance of a power receiving antenna 104 which receives energy transmitted from the power transmission antenna 103, and the impedance of the good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have the multiple antenna coils 105, 106, and at least one dielectric 107, 108 arranged between the multiple antenna coils 105, 106, and the multiple antenna coils 105, 106 each has multiple laminated coils 109.

公开(公告)号：US20190199450A1

公开(公告)日：2019-06-27

申请号：US16331671

申请日：2017-09-11

Applicant: NEC CORPORATION

Inventor： Shuhei YOSHIDA ,  Masahiro TANOMURA

IPC: H04B13/02 ,  H04B1/04

Abstract: In order to provide an underwater radio communication system which stably uses wideband modulated signal to communicate with electromagnetic waves, this underwater radio communication system 1, for communicating underwater between a transmission unit 10 and a receiving unit 20 with electromagnetic waves, has a distortion compensation unit 12 which compensates for distortion resulting from propagation in water in accordance with the frequency of the electromagnetic waves.

公开(公告)号：US20150303702A1

公开(公告)日：2015-10-22

申请号：US14423999

申请日：2013-08-21

Applicant: NEC Corporation

Inventor： Masahiro TANOMURA ,  Shuhei YOSHIDA ,  Kaoru SHIZUNO ,  Naoki KOBAYASHI ,  Hiroshi FUKUDA ,  Yoshinori HAMA

IPC: H02J5/00

CPC classification number: H02J50/12 ,  H01F27/02 ,  H01F38/14 ,  H02J7/025 ,  H02J17/00 ,  H02J50/70 ,  H04B13/02

Abstract: An electric power transmission device for wirelessly transmitting electric power in a highly conductive medium includes a power transmitting unit configured to wirelessly transmit electric power and a power receiving unit configured to intromit the wireless electric power transmitted from the power transmitting unit. The power transmitting unit and the power receiving unit include an electric power transmission coil and a containment member having a dielectric configured to cover the electric power transmission coil, and transmit the electric power by causing resonance at a frequency determined by impedance of the power transmitting unit, impedance of the power receiving unit, and impedance of the highly conductive medium.

Abstract translation: 一种用于在高导电介质中无线发送电力的电力传输装置包括：被配置为无线发送电力的电力传输单元和被配置为包含从电力发送单元发送的无线电力的受电单元。 电力传输单元和电力接收单元包括电力传输线圈和具有覆盖电力传输线圈的电介质的容纳构件，并且通过以由电力传输单元的阻抗确定的频率引起谐振来发送电力 ，电力接收单元的阻抗和高导电介质的阻抗。

公开(公告)号：US20190234868A1

公开(公告)日：2019-08-01

申请号：US16315410

申请日：2017-07-05

Applicant: NEC CORPORATION

Inventor： Masahiro TANOMURA ,  Chenhui HUANG

IPC: G01N21/3504 ,  G05D1/10 ,  B64C39/02 ,  B64D47/06 ,  B64D47/08 ,  G01N21/31

CPC classification number: G01N21/3504 ,  B64C13/20 ,  B64C39/02 ,  B64C39/024 ,  B64C2201/127 ,  B64D27/24 ,  B64D47/06 ,  B64D47/08 ,  G01N21/3151 ,  G01N2201/129 ,  G05D1/104

Abstract: Provided are a gas detection system and a gas detection method utilizing a plurality of aerial vehicles, which enable precise detection in a short time. The gas detection system includes: a sending aerial vehicle in which a light-emitting unit is installed; a small unmanned aerial vehicle including a receiving aerial vehicle in which a light-receiving unit is installed; a gas computing and displaying unit that computes and displays gas information; and a photographing-route computing unit that computes a photographing route for the small unmanned aerial vehicle. The receiving aerial vehicle receives light from the light-emitting unit of the sending aerial vehicle by using the light-receiving unit thereof and sends the result as gas data to the gas computing and displaying unit. The gas computing and displaying unit computes the gas information from the gas data. The photographing-route computing unit computes the photographing route from the position of the small unmanned aerial vehicle and the amount of energy remaining in the small unmanned aerial vehicle.

公开(公告)号：US20160336805A1

公开(公告)日：2016-11-17

申请号：US15110836

申请日：2015-01-15

Applicant: NEC CORPORATION

Inventor： Shuhei YOSHIDA ,  Masahiro TANOMURA ,  Kaoru SHIZUNO

IPC: H02J50/12 ,  H02J7/04 ,  H02J7/02 ,  H02J50/80 ,  H02J50/90

CPC classification number: H02J50/12 ,  B64C2201/066 ,  H02J7/025 ,  H02J7/042 ,  H02J17/00 ,  H02J50/80 ,  H02J50/90

Abstract: In order to stably supply power even under a condition such that variations in a transmission environment occur constantly and irregularly in a wireless power transmission, a wireless power transmission control device of the present invention includes: a data collection means for obtaining data indicating the characteristics of a transmission medium for wireless transmission of power via a receiving antenna provided in a movable body; a data prediction means for deriving predicted transmission characteristics that predict a change in the characteristics of the transmission medium by using the data and for calculating a control parameter corresponding to the predicted transmission characteristics; and a parameter control means for controlling the movable body and the receiving antenna by using the control parameter.

Abstract translation: 本发明的无线电力传输控制装置为了稳定地供电，即使在无线电力传输中不断地发生传播环境变化的情况下，也能够稳定地供电，所述无线电力传输控制装置包括：数据采集装置， 用于通过设置在可移动体中的接收天线无线地传输电力的传输介质; 数据预测装置，用于通过使用所述数据导出预测所述传输介质的特性变化并用于计算与所述预测传输特性对应的控制参数的预测传输特性; 以及用于通过使用控制参数来控制可移动体和接收天线的参数控制装置。