公开(公告)号：US11929802B2

公开(公告)日：2024-03-12

申请号：US17297828

申请日：2019-11-27

Applicant: Feng Xue ,  Mustafa Akdeniz ,  Seong-Youp John Suh ,  Shu-Ping Yeh ,  Eduardo Alban ,  Philippe Auzas ,  Jonathan Byrne ,  Mark Davis ,  David Gomez Gutierrez ,  Timo Huusari ,  Bradley Alan Jackson ,  Ranganadh Karella ,  Sreenivas Kasturi ,  Mengkun Ke ,  Ching-Yu Liao ,  Tiefeng Shi ,  Daniel Tong ,  Candy Yiu

Inventor： Feng Xue ,  Mustafa Akdeniz ,  Seong-Youp John Suh ,  Jingwen Bai ,  Shu-Ping Yeh ,  Rodrigo Aldana Lopez ,  Eduardo Alban ,  David Arditti Ilitzky ,  Philippe Auzas ,  Jonathan Byrne ,  Leobardo Campos Macias ,  Mark Davis ,  Rafael De La Guardia Gonzalez ,  David Gomez Gutierrez ,  Timo Huusari ,  Bradley Alan Jackson ,  Ranganadh Karella ,  Sreenivas Kasturi ,  Mengkun Ke ,  Ching-Yu Liao ,  Tiefeng Shi ,  Shilpa Talwar ,  Daniel Tong ,  Candy Yiu

IPC: H04B7/06 ,  B64C39/02 ,  H01Q1/28 ,  H01Q19/18 ,  H04B7/26 ,  B64U10/00

CPC classification number: H04B7/0617 ,  B64C39/024 ,  H01Q1/28 ,  H01Q19/18 ,  H04B7/26 ,  B64U10/00

Abstract: An unmanned aerial vehicle can be configured to adjust a beam direction, provide path information, act as a base station, act as a cluster head, include an improved directional antenna or array of directional antennas, communicate in a collaboration using belief propagation, receive communications from a serving station aiding in navigation or improved signal performance, or the like.

公开(公告)号：US09240633B2

公开(公告)日：2016-01-19

申请号：US13031017

申请日：2011-02-18

Applicant: Guining Shi ,  Sreenivas Kasturi

Inventor： Guining Shi ,  Sreenivas Kasturi

IPC: H01F27/42 ,  H01Q1/52 ,  H01Q1/22 ,  H01Q7/00 ,  H02J7/02 ,  H04B5/00

CPC classification number: H01Q1/52 ,  H01Q1/22 ,  H01Q7/00 ,  H02J7/025 ,  H02J50/12 ,  H02J50/70 ,  H04B5/0037 ,  H04B5/0081

Abstract: Exemplary embodiments are directed to wireless power devices. A device may include a transmit antenna and a metallic structure spaced from and configured for detuning the transmit antenna. The device may further include a circuit for tuning the transmit antenna.

Abstract translation: 示例性实施例涉及无线功率设备。 设备可以包括发射天线和与发射天线失谐并配置成使发射天线失谐的金属结构。 该装置还可以包括用于调谐发射天线的电路。

公开(公告)号：US20150256226A1

公开(公告)日：2015-09-10

申请号：US14498997

申请日：2014-09-26

Applicant: Xintian E. Lin ,  Sreenivas Kasturi

Inventor： Xintian E. Lin ,  Sreenivas Kasturi

IPC: H04B5/00 ,  H02J7/02 ,  H02J5/00

CPC classification number: H04B5/0037 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0031 ,  H04B5/0075

Abstract: Wireless charging communication examples are described. Various techniques for establishing a communication link between a power transmit unit and a power receive unit through a low energy wireless communication interface to enable the power receive unit to receive power are described.

Abstract translation: 描述无线充电通信示例。 描述了通过低能量无线通信接口建立功率发送单元和功率接收单元之间的通信链路以使功率接收单元能够接收功率的各种技术。

公开(公告)号：US20150303733A1

公开(公告)日：2015-10-22

申请号：US14319802

申请日：2014-06-30

Applicant: Songnan Yang ,  Bin Xiao ,  Janardhan Koratikere Narayan ,  Sreenivas Kasturi ,  Essam Elkhouly

Inventor： Songnan Yang ,  Bin Xiao ,  Janardhan Koratikere Narayan ,  Sreenivas Kasturi ,  Essam Elkhouly

IPC: H02J7/02 ,  H01F41/00 ,  H02J7/00 ,  H01F27/28 ,  H01F27/42

CPC classification number: H02J50/12 ,  H01F27/2823 ,  H01F38/14 ,  H01F41/071 ,  H02J7/025 ,  H02J50/40

Abstract: Systems and methods may provide for a wireless charging device having a concave-shaped charging platform defining a charging area. The wireless charging device may include a three-dimensional transmitter coil, and at least one additional transmitter coil having a non-uniform spacing within the concave-shaped charging platform to reduce magnetic field variations associated with the three-dimensional transmitter coil.

Abstract translation: 系统和方法可以提供具有限定充电区域的凹形充电平台的无线充电装置。 无线充电装置可以包括三维发射器线圈和至少一个额外的发射器线圈，其在凹形充电平台内具有不均匀的间隔，以减少与三维发射器线圈相关联的磁场变化。

公开(公告)号：US20130154383A1

公开(公告)日：2013-06-20

申请号：US13612633

申请日：2012-09-12

Applicant: Sreenivas KASTURI ,  Ashish GUPTA ,  Michael K. McFARLAND

Inventor： Sreenivas KASTURI ,  Ashish GUPTA ,  Michael K. McFARLAND

IPC: H02J17/00 ,  H01F27/28 ,  H01F38/14

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H04B5/0087

Abstract: Systems and methods for low loss wireless power transmission are described herein. In one aspect, a transmission coil for transmitting wireless power comprises a first and second spiral coil. Each spiral coil comprises a plurality of turns. A center of the first spiral coil to an outermost turn of the first spiral coil defines a first cross section, and a center of the second spiral coil to an outermost turn of the second spiral coil defines a second cross section. Portions of the first spiral coil along the first cross section and the second spiral coil along the second cross section have a mutual inductance with respect to a receive coil greater than 65% of a maximum mutual inductance along the first and second cross sections. The second spiral coil is counter-wound relative to the first spiral coil.

Abstract translation: 本文描述了用于低损耗无线电力传输的系统和方法。 一方面，用于传输无线电力的传输线圈包括第一和第二螺旋线圈。 每个螺旋线圈包括多个匝。 第一螺旋线圈的中心到第一螺旋线圈的最外圈，限定第一横截面，并且第二螺旋线圈的中心到第二螺旋线圈的最外圈，限定第二横截面。 沿着第一横截面的第一螺旋线圈的部分和沿着第二横截面的第二螺旋线圈相对于大于沿着第一和第二横截面的最大互感的65％的接收线圈具有互感。 第二螺旋线圈相对于第一螺旋线圈相反缠绕。

公开(公告)号：US20130077361A1

公开(公告)日：2013-03-28

申请号：US13435343

申请日：2012-03-30

Applicant: Zhen Ning Low ,  Sreenivas Kasturi ,  Xuanning Gao

Inventor： Zhen Ning Low ,  Sreenivas Kasturi ,  Xuanning Gao

IPC: H02M1/14

CPC classification number: H02J50/12 ,  H02J7/025 ,  H02J17/00 ,  H02J50/10 ,  H02M1/126 ,  H02M1/14 ,  H02M1/143

Abstract: This disclosure provides systems, methods, and apparatus for filtering of a rectifier in a wireless power receiver. In one aspect a wireless power receiver is provided. The wireless power receiver includes a rectifier circuit configured to provide direct-current (DC) based at least in part on a time-varying voltage generated via a wireless field provided from a wireless power transmitter. The wireless power receiver further includes a band-stop filter circuit configured to filter an output of the rectifier circuit and electrically isolate a capacitor from the rectifier circuit at an operating frequency.

Abstract translation: 本公开提供了用于在无线电力接收器中对整流器进行滤波的系统，方法和装置。 在一个方面，提供无线电力接收器。 无线电力接收机包括整流器电路，其被配置为至少部分地基于由无线电力发射器提供的无线电场产生的时变电压来提供直流电（DC）。 无线电力接收器还包括带通滤波器电路，其被配置为对工作频率上的整流电路的输出进行滤波并将电容器与整流器电路电隔离。

公开(公告)号：US20220069876A1

公开(公告)日：2022-03-03

申请号：US17297828

申请日：2019-11-27

Applicant: Feng XUE ,  Mustafa AKDENIZ ,  Seong-Youp John SUH ,  Shu-ping YEH ,  Eduardo ALBAN ,  Philippe AUZAS ,  Jonathan BYRNE ,  Mark DAVIS ,  David GOMEZ GUTIERREZ ,  Timo HUUSARI ,  Bradley Alan JACKSON ,  Ranganadh KARELLA ,  Sreenivas KASTURI ,  Mengkun KE ,  Ching-Yu LIAO ,  Tiefeng SHI ,  Daniel TONG ,  Candy YIU

Inventor： Feng XUE ,  Mustafa AKDENIZ ,  Seong-Youp John SUH ,  Jingwen BAI ,  Shu-ping YEH ,  Rodrigo ALDANA LOPEZ ,  Eduardo ALBAN ,  David ARDITTI ILITZKY ,  Philippe AUZAS ,  Jonathan BYRNE ,  Leobardo CAMPOS MACIAS ,  Mark DAVIS ,  Rafael DE LA GUARDIA GONZALEZ ,  David GOMEZ GUTIERREZ ,  Timo HUUSARI ,  Bradley Alan JACKSON ,  Ranganadh KARELLA ,  Sreenivas KASTURI ,  Mengkun KE ,  Ching-Yu LIAO ,  Tiefeng SHI ,  Shilpa TALWAR ,  Daniel TONG ,  Candy YIU

IPC: H04B7/06 ,  H04B7/26 ,  H01Q1/28 ,  H01Q19/18 ,  B64C39/02

Abstract: An unmanned aerial vehicle can be configured to adjust a beam direction, provide path information, act as a base station, act as a cluster head, include an improved directional antenna or array of directional antennas, communicate in a collaboration using belief propagation, receive communications from a serving station aiding in navigation or improved signal performance, or the like.

公开(公告)号：US09094055B2

公开(公告)日：2015-07-28

申请号：US13399292

申请日：2012-02-17

Applicant: Zhen Ning Low ,  Charles Edward Wheatley, III ,  Sreenivas Kasturi

Inventor： Zhen Ning Low ,  Charles Edward Wheatley, III ,  Sreenivas Kasturi

IPC: H01F38/00 ,  H04B5/00 ,  H02J17/00

CPC classification number: H04B5/0037 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80

Abstract: This disclosure provides systems, methods and apparatus for tuning a wireless power transmitter. In one aspect an apparatus configured to wirelessly provide power to a load is provided. The apparatus includes a transmit circuit including a transmit coil. The transmit circuit is configured to wirelessly provide power to the load. The transmit coil is configured to resonate at a resonant frequency. The transmit circuit has a reactance. The apparatus further includes a detection circuit configured to detect a change in the resonant frequency while providing power to the load. The apparatus further includes a tuning circuit configured to adjust the reactance based on the change.

Abstract translation: 本公开提供了用于调谐无线电力发射机的系统，方法和装置。 在一个方面，提供了一种被配置为向负载无线地提供电力的装置。 该装置包括包括发射线圈的发射电路。 发射电路被配置为向负载无线地提供电力。 发射线圈被配置为以共振频率谐振。 发射电路具有电抗。 该装置还包括检测电路，被配置为在向负载提供电力的同时检测谐振频率的变化。 该装置还包括调整电路，其被配置为基于该变化来调整电抗。

公开(公告)号：US20150162128A1

公开(公告)日：2015-06-11

申请号：US14318304

申请日：2014-06-27

Applicant: Jonathan Rosenfeld ,  Sreenivas Kasturi ,  Songnan Yang ,  Essam Elkhouly

Inventor： Jonathan Rosenfeld ,  Sreenivas Kasturi ,  Songnan Yang ,  Essam Elkhouly

IPC: H01F38/14 ,  H01F41/06 ,  H01F27/28 ,  G01B21/16 ,  H01F41/04

CPC classification number: H01F38/14 ,  H01F5/00 ,  H01F27/006 ,  H01F27/2804 ,  H01F41/041 ,  Y10T29/49071

Abstract: Techniques of forming a transmitter coil are described herein. The techniques may include forming turns of the transmitter coil, wherein a non-uniform spacing between the turns of the transmitter coil is to reduce a magnetic field variation associated with the transmitter coil.

Abstract translation: 在此描述形成发射器线圈的技术。 这些技术可以包括形成发射器线圈的匝，其中发射器线圈的匝之间的不均匀间隔是减小与发射器线圈相关联的磁场变化。

公开(公告)号：US08629650B2

公开(公告)日：2014-01-14

申请号：US12249875

申请日：2008-10-10

Applicant: Alireza Hormoz Mohammadian ,  Sreenivas Kasturi ,  Miles Alexander Lyell Kirby ,  Ernest T. Ozaki ,  Stanley Slavko Toncich ,  Allen Minh-Triet Tran

Inventor： Alireza Hormoz Mohammadian ,  Sreenivas Kasturi ,  Miles Alexander Lyell Kirby ,  Ernest T. Ozaki ,  Stanley Slavko Toncich ,  Allen Minh-Triet Tran

IPC: H02J7/00

CPC classification number: H02J50/12 ,  G06K7/0008 ,  G06K7/10178 ,  G06K19/0701 ,  G06K19/0715 ,  G06K19/0723 ,  H01F38/14 ,  H01Q1/2225 ,  H01Q1/38 ,  H01Q7/00 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/90 ,  H04B5/0031 ,  H04B5/0037 ,  H04B5/02 ,  Y10T307/406

Abstract: Exemplary embodiments are directed to wireless power transfer including a plurality of antenna circuits spatially arranged and each including an antenna configured to resonate and generate a near field coupling mode region thereabout in response to a driving signal from a power amplifier. The apparatus further includes a processor configured to control activation of resonance of each of the plurality of antenna circuits. The method for wirelessly charging includes driving a signal from a power amplifier and controlling activation of resonance of a plurality of antenna circuits spatially arranged and each including an antenna configured to resonate in response to the driving signal.

Abstract translation: 示例性实施例涉及包括空间布置的多个天线电路的无线功率传输，并且每个天线电路包括被配置为响应于来自功率放大器的驱动信号谐振并在其周围产生近场耦合模式区域的天线。 该装置还包括被配置为控制多个天线电路中的每一个的谐振的激活的处理器。 用于无线充电的方法包括驱动来自功率放大器的信号，并且控制空间布置的多个天线电路的谐振的激活，并且每个包括配置为响应于驱动信号而谐振的天线。