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1.发明授权公开(公告)号：US09275791B2
公开(公告)日：2016-03-01
申请号：US13841177
申请日：2013-03-15
Applicant: QUALCOMM Incorporated
Inventor： Charles Edward Wheatley, III , Zhen Ning Low , Meng Li
CPC classification number: H01F38/14 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/10 , H02J50/12 , H02J50/40 , H02J50/60 , H02J50/80 , H02J50/90 , H04B5/0037
Abstract: This disclosure provides systems, methods and apparatus for decoupling multiple wireless charging transmitters. In one aspect, a device is configured to transmit wireless power to a first receiver. The device includes a first driver coil and a second driver coil. The device further includes a common reactance element connected to the first driver coil and the second driver coil. The reactance element is configured to at least partially cancel mutual inductance between the first driver coil and the second driver coil.
Abstract translation: 本公开提供用于去耦多个无线充电发射机的系统，方法和装置。 在一个方面，设备被配置为向第一接收机发送无线电力。 该装置包括第一驱动线圈和第二驱动线圈。 该装置还包括连接到第一驱动器线圈和第二驱动器线圈的公共电抗元件。 电抗元件被配置为至少部分地消除第一驱动器线圈和第二驱动器线圈之间的互感。
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2.发明申请公开(公告)号：US20140240057A1
公开(公告)日：2014-08-28
申请号：US14108155
申请日：2013-12-16
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器电路的最大效率的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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公开(公告)号：US10122214B2
公开(公告)日：2018-11-06
申请号：US14887049
申请日：2015-10-19
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Charles Edward Wheatley, III
IPC: H02J50/12 , H03H11/28 , H03H3/00 , H02J5/00 , H02J50/90 , H02J50/80 , H02J50/60 , H02J50/40 , H04B5/00 , H02J7/02 , H02J17/00 , H03H7/38
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.
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公开(公告)号：US09935502B2
公开(公告)日：2018-04-03
申请号：US14818161
申请日：2015-08-04
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Adam A. Mudrick , Sergio P. Estrada
CPC classification number: H02J50/20 , H02J5/005 , H02J7/025 , H02J7/04 , H02J50/12 , H02J50/60 , H04B5/0037
Abstract: Exemplary embodiments are directed to detecting and limiting power transfer to non-compliant devices. A method may include detecting one or more non-compliant devices positioned within a charging region of a wireless power transmitter. The method may further include limiting an amount of power delivered to at least one of the one or more non-compliant devices.
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公开(公告)号：US09608480B2
公开(公告)日：2017-03-28
申请号：US15009677
申请日：2016-01-28
Applicant: QUALCOMM Incorporated
Inventor： Kevin Douglas Lee , Zhen Ning Low
CPC classification number: H02J50/12 , H02J5/005 , H02J7/025 , H02J50/90 , H04B5/0031 , H04B5/0037 , H04B5/0043 , H04B5/0056 , H04B5/0075 , H04B5/02
Abstract: Embodiments are directed to detecting and identifying a type of a wireless power device in a wireless power transfer field. According to one aspect, a method for identifying a type of an object within a power transfer region of a wireless power transmitter configured to transfer power to a device including a wireless power receiver is provided. The method includes monitoring a change in a power drawn by the wireless power transmitter. The method further includes receiving, from the wireless power receiver, a signal indicative of a change in power received by the wireless power receiver. The method further includes identifying the type of the object based on the monitored change in the power drawn and the received signal.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20160226314A1
公开(公告)日：2016-08-04
申请号：US15009677
申请日：2016-01-28
Applicant: QUALCOMM Incorporated
Inventor： Kevin Douglas Lee , Zhen Ning Low
IPC: H02J50/12
CPC classification number: H02J50/12 , H02J5/005 , H02J7/025 , H02J50/90 , H04B5/0031 , H04B5/0037 , H04B5/0043 , H04B5/0056 , H04B5/0075 , H04B5/02
Abstract: Embodiments are directed to detecting and identifying a type of a wireless power device in a wireless power transfer field. According to one aspect, a method for identifying a type of an object within a power transfer region of a wireless power transmitter configured to transfer power to a device including a wireless power receiver is provided. The method includes monitoring a change in a power drawn by the wireless power transmitter. The method further includes receiving, from the wireless power receiver, a signal indicative of a change in power received by the wireless power receiver. The method further includes identifying the type of the object based on the monitored change in the power drawn and the received signal.
Abstract translation: 实施例涉及在无线电力传输领域中检测和识别无线电力装置的类型。 根据一方面，提供了一种用于识别被配置为向包括无线电力接收器的设备传送电力的无线电力发送器的电力传送区域内的对象的类型的方法。 该方法包括监视由无线电力发射器提取的功率的变化。 该方法还包括从无线电力接收器接收指示由无线电力接收机接收的功率变化的信号。 该方法还包括基于所监视的功率的改变和接收到的信号来识别对象的类型。
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公开(公告)号：US20160087480A1
公开(公告)日：2016-03-24
申请号：US14493432
申请日：2014-09-23
Applicant: QUALCOMM Incorporated
Inventor： Colby TRUDEAU , Zhen Ning Low
CPC classification number: H02J7/025 , G06F1/24 , G06F1/26 , H02J7/0042 , H02J7/0054 , H02J7/007 , H02J7/04 , H02J50/10 , H02J50/80
Abstract: A rechargeable computing device including a battery, a processor, a power receiver, a reset switch, and a circuit for receiving a reset signal may receive the reset signal via a power source. The processor may be configured to be reset in response to actuation of the reset switch. The power receiver may be configured to receive a wireless power transmission from a remote charging apparatus and charge the battery using power captured from the wireless power transmission. The reset switch may be coupled to the processor and to the circuit for receiving a reset signal. The circuit for receiving a reset signal may be configured to activate the reset switch to reset the processor in response to detecting a reset signal encoded within a wireless power transmission. In some embodiments, the circuit for receiving a reset signal may be configured to receive the signal from a wired power input.
Abstract translation: 包括电池，处理器，电源接收器，复位开关和用于接收复位信号的电路的可再充电计算设备可以经由电源接收复位信号。 处理器可以被配置为响应于复位开关的致动被复位。 电力接收器可以被配置为从远程充电装置接收无线电力传输，并且使用从无线电力传输获取的功率对电池充电。 复位开关可以耦合到处理器和用于接收复位信号的电路。 用于接收复位信号的电路可以被配置为响应于检测到在无线电力传输中编码的复位信号而激活复位开关以复位处理器。 在一些实施例中，用于接收复位信号的电路可以被配置为从有线电力输入接收信号。
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8.发明授权公开(公告)号：US09166562B2
公开(公告)日：2015-10-20
申请号：US14108155
申请日：2013-12-16
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器电路的最大效率的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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公开(公告)号：US09093215B2
公开(公告)日：2015-07-28
申请号：US13678440
申请日：2012-11-15
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Scott C Hooten , Ngo Van Nguyen
CPC classification number: H01F38/14 , H02J5/005 , H02J7/0052 , H02J7/025 , H02J17/00 , H02J50/12 , H02J50/70 , H03F1/565 , H03F3/2176 , H04B5/0037
Abstract: This disclosure provides systems, methods, and apparatus for transferring power wirelessly via a wireless power transmitter. In one aspect, the transmitter comprises a first circuit configured to generate a first signal, where the first circuit includes a first inductor. The transmitter further comprises a second circuit configured to generate a second signal out of phase with the first signal. The second circuit includes a second inductor inductively coupled with the first inductor. The first inductor and the second inductor may have a leakage inductance of at least a minimum value so as to not produce a substantially square waveform at an output of the first circuit and an output of the second circuit. The transmitter further comprises a filter circuit configured to filter the first signal and the second signal.
Abstract translation: 本公开提供了经由无线电力发射机无线传送电力的系统，方法和装置。 在一个方面，发射机包括被配置为产生第一信号的第一电路，其中第一电路包括第一电感器。 发射机还包括被配置为产生与第一信号异相的第二信号的第二电路。 第二电路包括与第一电感器感应耦合的第二电感器。 第一电感器和第二电感器可以具有至少最小值的漏电感，从而在第一电路的输出和第二电路的输出处不产生基本上方波的波形。 发射机还包括被配置为对第一信号和第二信号进行滤波的滤波电路。
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公开(公告)号：US09362776B2
公开(公告)日：2016-06-07
申请号：US13802595
申请日：2013-03-13
Applicant: QUALCOMM Incorporated
Inventor： Zhen Ning Low , Jatupum Jenwatanavet , Ngo Van Nguyen
CPC classification number: H02J50/20 , G04C10/00 , G04D1/066 , H01F38/14 , H02J5/005 , H02J7/0004 , H02J7/0013 , H02J7/0027 , H02J7/025 , H02J7/045 , H02J50/10 , H02J50/90
Abstract: An embodiment of a system for wirelessly charging a wrist-worn device may include a radio frequency (RF) charging energy generating element, and an antenna configured to radiate the RF charging energy, the antenna comprising a first coil and a second coil, the first coil and the second coil each comprising a plurality of windings, the windings of the first coil being wound in a direction opposite the direction of the windings of the second coil. An embodiment of a wrist-worn charge-receiving device may include an antenna coil adapted to receive radio frequency (RF) charging energy, the antenna coil comprising non-uniform windings; and a rechargeable power source coupled to the antenna coil, the antenna coil adapted to provide the RF charging energy to the rechargeable power source.
Abstract translation: 用于无线充电腕部佩戴装置的系统的实施例可以包括射频（RF）充电能量产生元件和被配置为辐射RF充电能量的天线，所述天线包括第一线圈和第二线圈，第一线圈 线圈和每个包括多个绕组的第二线圈，第一线圈的绕组沿与第二线圈的绕组方向相反的方向缠绕。 手腕佩戴的电荷接收装置的实施例可以包括适于接收射频（RF）充电能量的天线线圈，所述天线线圈包括不均匀绕组; 以及耦合到所述天线线圈的可再充电电源，所述天线线圈适于向可再充电电源提供RF充电能量。
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