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11.发明申请公开(公告)号：US20160043574A1
公开(公告)日：2016-02-11
申请号：US14887049
申请日：2015-10-19
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles Edward Wheatley, III
CPC classification number: H02J50/12 , H02J5/00 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/40 , H02J50/60 , H02J50/80 , H02J50/90 , H03H3/00 , H03H7/38 , H03H11/28 , H04B5/0037 , Y02D70/00 , Y02D70/144 , Y02D70/162 , Y02D70/166 , Y10T29/49016
Abstract: This disclosure provides systems, methods and apparatus for reducing harmonic emissions. One aspect of the disclosure provides a transmitter apparatus. The transmitter apparatus includes a driver circuit characterized by an efficiency and a power output level. The driver circuit further includes a filter circuit electrically connected to the driver circuit and configured to modify the impedance of the transmit circuit to maintain the efficiency of the driver circuit at a level that is within 20% of a maximum efficiency of the driver circuit when the impedance is within the complex impedance range. The filter circuit is further configured to maintain a substantially constant power output level irrespective of the reactive variations within the complex impedance range. The filter circuit is further configured to maintain a substantially linear relationship between the power output level and the resistive variations within the impedance range.
Abstract translation: 本公开提供了用于减少谐波发射的系统，方法和装置。 本公开的一个方面提供一种发射机装置。 发射机装置包括具有效率和功率输出电平的驱动电路。 驱动器电路还包括电连接到驱动器电路并被配置为修改发射电路的阻抗以将驱动器电路的效率维持在驱动电路的最大效率的20％以内的水平的滤波器电路， 阻抗在复阻抗范围内。 滤波器电路还被配置为保持基本上恒定的功率输出电平，而与复阻抗范围内的无功变化无关。 滤波器电路还被配置为在电力输出电平和阻抗范围内的电阻变化之间保持基本上线性的关系。
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12.发明申请SYSTEM AND METHOD FOR DETECTING INADEQUATE WIRELESS COUPLING AND IMPROVING IN-BAND SIGNALING IN WIRELESS POWER TRANSFER SYSTEMS 有权用于检测无线无线连接的系统和方法，改善无线电力传输系统中的带内信号公开(公告)号：US20160036497A1
公开(公告)日：2016-02-04
申请号：US14607958
申请日：2015-01-28
Applicant: QUALCOMM Incorporated
Inventor： Houman Tavakoli Shiraji , Zhen Ning Low , Michael Carlile Bailey
CPC classification number: H04B5/0037 , H02J5/005 , H02J7/025 , H04B1/1018 , H04B1/18 , H04B5/0031 , H04B5/0075
Abstract: An apparatus for receiving wireless power is provided. The apparatus comprises a receive coupler configured to receive the wireless power from a wireless power transmitter. The apparatus comprises a receive circuit electrically connected to the receive coupler, the receive circuit configured to provide power to a load. The apparatus comprises a controller circuit configured to provide a first amount of power from the receive circuit to the load. The controller circuit is further configured to reduce the first amount of power to a second amount of power for a duration of communication with the wireless power transmitter to increase a difference between a first impedance and a second impedance of the receive circuit compared to when the first amount of power is provided to the load.
Abstract translation: 提供了一种用于接收无线电力的装置。 该装置包括被配置为从无线电力发射器接收无线电力的接收耦合器。 该装置包括电连接到接收耦合器的接收电路，接收电路被配置为向负载提供电力。 该装置包括控制器电路，其被配置为从接收电路向负载提供第一数量的电力。 所述控制器电路还被配置为在与所述无线功率发射器进行通信的持续时间内将所述第一功率量减少到第二功率量以增加所述接收电路的第一阻抗和所述第二阻抗之间的差异， 电力的数量被提供给负载。
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公开(公告)号：US20150054353A1
公开(公告)日：2015-02-26
申请号：US14508768
申请日：2014-10-07
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles Edward Wheatley, III , William Henry Von Novak, III , Sergio P. Estrada
CPC classification number: H03H7/40 , H02J5/005 , H02J7/0027 , H02J7/025 , H02J50/12 , H02J50/20 , H02J50/90 , H04B5/0037 , H04B5/0081
Abstract: Exemplary embodiments are directed to controlling impedance. A wireless power transmitter for controlling impedance comprises a transmit circuit configured to wirelessly transmit power to a plurality of receivers, each having a load resistance, within a charging region of the transmit circuit. The transmitter also comprises a controller configured to request each receiver of the plurality of receivers to adjust its load resistance to a value that achieves a target total impedance as presented to the controller.
Abstract translation: 示例性实施例涉及控制阻抗。 一种用于控制阻抗的无线电力发射机包括发射电路，其被配置为在发射电路的充电区域内向多个接收机（每个具有负载电阻）无线地发送功率。 发射机还包括控制器，其被配置为请求多个接收机中的每个接收机将其负载电阻调整为达到呈现给控制器的目标总阻抗的值。
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公开(公告)号：US09819326B2
公开(公告)日：2017-11-14
申请号：US14508768
申请日：2014-10-07
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles Edward Wheatley, III , William Henry Von Novak, III , Sergio P. Estrada
CPC classification number: H03H7/40 , H02J5/005 , H02J7/0027 , H02J7/025 , H02J50/12 , H02J50/20 , H02J50/90 , H04B5/0037 , H04B5/0081
Abstract: Exemplary embodiments are directed to controlling impedance. A wireless power transmitter for controlling impedance comprises a transmit circuit configured to wirelessly transmit power to a plurality of receivers, each having a load resistance, within a charging region of the transmit circuit. The transmitter also comprises a controller configured to request each receiver of the plurality of receivers to adjust its load resistance to a value that achieves a target total impedance as presented to the controller.
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公开(公告)号：US09680531B2
公开(公告)日：2017-06-13
申请号：US14607958
申请日：2015-01-28
Applicant: QUALCOMM Incorporated
Inventor： Houman Tavakoli Shiraji , Zhen Ning Low , Michael Carlile Bailey
CPC classification number: H04B5/0037 , H02J5/005 , H02J7/025 , H04B1/1018 , H04B1/18 , H04B5/0031 , H04B5/0075
Abstract: An apparatus for receiving wireless power is provided. The apparatus comprises a receive coupler configured to receive the wireless power from a wireless power transmitter. The apparatus comprises a receive circuit electrically connected to the receive coupler, the receive circuit configured to provide power to a load. The apparatus comprises a controller circuit configured to provide a first amount of power from the receive circuit to the load. The controller circuit is further configured to reduce the first amount of power to a second amount of power for a duration of communication with the wireless power transmitter to increase a difference between a first impedance and a second impedance of the receive circuit compared to when the first amount of power is provided to the load.
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Patent Agency Ranking
公开(公告)号：US09337666B2
公开(公告)日：2016-05-10
申请号：US14589659
申请日：2015-01-05
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles E. Wheatley, III , Adam A. Mudrick , William H. Von Novak
CPC classification number: H02J50/70 , H01F38/14 , H02J7/025 , H02J17/00 , H02J50/12 , H02J50/20 , H02J50/40 , H02J50/60 , H04B5/0037 , H04B5/0075 , H04B5/0081
Abstract: Exemplary embodiments are directed to control of field distribution of a wireless power transmitter. A transmitter may include a transmit antenna configured to generate a field. The transmitter may further include least one parasitic antenna proximate the transmit antenna and configured to modify a distribution of the generated field.
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17.发明授权公开(公告)号：US09166439B2
公开(公告)日：2015-10-20
申请号：US13669227
申请日：2012-11-05
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Jatupum Jenwatanavet
CPC classification number: H02J50/80 , H02J7/025 , H02J50/12 , H02J50/50 , H02J50/90 , H04B5/0037 , H04B5/0087 , H04B5/0093
Abstract: This disclosure provides systems, methods and apparatus for forward link communication in wireless power systems. One aspect of the disclosure provides a wireless charging device for providing wireless power to a receiving device. The wireless charging device includes a primary transmit antenna configured to generate a wireless power field. The device further includes a parasitic antenna configured to selectively adjust a coupling between the primary transmit antenna and the receiving device. The device further includes a controller configured to control the selective adjustment of the parasitic antenna so as to communicate with the receiving device.
Abstract translation: 本公开提供了用于无线电力系统中的前向链路通信的系统，方法和装置。 本公开的一个方面提供了一种用于向接收设备提供无线电力的无线充电装置。 无线充电装置包括被配置为产生无线电力场的主发射天线。 该装置还包括配置成选择性地调整主发射天线和接收装置之间的耦合的寄生天线。 该装置还包括控制器，其被配置为控制寄生天线的选择性调节，以便与接收装置通信。
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公开(公告)号：US11601051B2
公开(公告)日：2023-03-07
申请号：US16444844
申请日：2019-06-18
Applicant: QUALCOMM Incorporated
Inventor： Chengyue Yu , Zhen Ning Low , Guoyong Guo , Jiwei Chen
Abstract: Certain aspects of the present disclosure generally relate to a connection terminal pattern and layout for a three-level buck regulator. One example electronic module generally includes a substrate, an integrated circuit (IC) package disposed on the substrate and comprising transistors of a three-level buck regulator, a capacitive element of the three-level buck regulator disposed on the substrate, and an inductive element of the three-level buck regulator disposed on the substrate. In certain aspects, the capacitive element and the inductive element may be disposed adjacent to different sides of the IC package.
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19.发明授权公开(公告)号：US10291073B2
公开(公告)日：2019-05-14
申请号：US15181245
申请日：2016-06-13
Applicant: QUALCOMM Incorporated
Inventor： Colby Trudeau , Scott Walter , Zhen Ning Low , Joseph Najib Maalouf , Curtis Gong , Sumukh Ashok Shevde
Abstract: Devices and methods for controlling a power supply of a wireless power transmitter based on the request of a wireless power receiver are disclosed. One embodiment provides a wireless power receiver. The wireless power receiver includes a power receiver circuit configured to receive power from a wireless power transmitter at a level sufficient to power or charge a load. The wireless power receiver also includes a processor circuit configured to adjust a level of the received power being provided to the load based on a change in a level of received power to be requested to the wireless power transmitter. The processor circuit is further configured send to the wireless power transmitter the request to change the level of the received power to a first different level.
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公开(公告)号：US10270494B2
公开(公告)日：2019-04-23
申请号：US14810218
申请日：2015-07-27
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles E. Wheatley, III , Sergio P. Estrada
IPC: H01F38/00 , H04K3/00 , H02J5/00 , H02J7/02 , H04B5/00 , H04B5/02 , H02J50/20 , H02J50/12 , G06K7/10 , G06K19/07 , H05K9/00
Abstract: Exemplary embodiments are directed to a device include a parasitic coil for protection of the device. A device may include a first circuit configured to receive a first transmitted signal at an operational frequency. The device may also include a second circuit a second circuit configured to generate a field that opposes at least one of an undesirable portion of a wireless power field of the first transmitted signal and a portion of another wireless power field proximate the first circuit, the another wireless power field generated by a second transmitted signal at a non-operational frequency of the first circuit.
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