公开(公告)号：US20130147429A1

公开(公告)日：2013-06-13

申请号：US13765564

申请日：2013-02-12

Applicant: QUALCOMM Incorporated

Inventor： Miles A. Kirby ,  William H. Von Novak ,  Michael J. Mangan

IPC: H02J7/00

CPC classification number: H02J7/0042 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/50

Abstract: Exemplary embodiments are directed to portable wireless charging. A portable charging system may comprise at least one antenna positioned within a portable enclosure. The at least one antenna may be configured to receive power from a power source and wirelessly transmit power to a receive antenna coupled to a chargeable device positioned within a near-field of the at least one antenna.

Abstract translation: 示例性实施例涉及便携式无线充电。 便携式充电系统可以包括位于便携式外壳内的至少一个天线。 所述至少一个天线可以被配置为从电源接收功率，并且将功率无线地发射到耦合到位于所述至少一个天线的近场内的可计费装置的接收天线。

公开(公告)号：US20130113299A1

公开(公告)日：2013-05-09

申请号：US13720835

申请日：2012-12-19

Applicant: Qualcomm Incorporated

Inventor： William H. Von Novak ,  Charles E. Wheatley ,  Stanley S. Toncich ,  Emest T. Ozaki

IPC: H01F38/14

CPC classification number: H01F38/14 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037 ,  H04B5/0093

Abstract: Exemplary embodiments are directed to wireless power. A wireless power receiver includes a receive antenna for coupling with near field radiation in a coupling-mode region generated by a transmit antenna operating at a resonant frequency. The receive antenna generates an RF signal when coupled to the near filed radiation and a rectifier converts the RF signal to a DC input signal. A direct current (DC)-to-DC converter coupled to the DC input signal generates a DC output signal. A pulse modulator generate a pulse-width modulation signal to the DC-to-DC converter to adjust a DC impedance of the wireless power receiver by modifying a duty cycle of the pulse-width modulation signal responsive to at least one of a voltage of the DC input signal, a current of the DC input signal, a voltage of the DC output signal, and a current of the DC output signal.

Abstract translation: 示例性实施例涉及无线电力。 无线电力接收机包括用于以由谐振频率工作的发射天线产生的耦合模式区域中的近场辐射耦合的接收天线。 当耦合到近场辐射时，接收天线产生RF信号，并且整流器将RF信号转换成DC输入信号。 耦合到DC输入信号的直流（DC）到DC转换器产生DC输出信号。 脉冲调制器通过修改脉冲宽度调制信号的占空比来响应于以下中的至少一个：DC至DC转换器产生脉冲宽度调制信号以调整无线功率接收机的DC阻抗， 直流输入信号，直流输入信号的电流，直流输出信号的电压和直流输出信号的电流。

公开(公告)号：US20130099585A1

公开(公告)日：2013-04-25

申请号：US13622204

申请日：2012-09-18

Applicant: Qualcomm Incorporated

Inventor： William H. Von Novak ,  Joseph L. Archambault ,  Adam J. Wood ,  Edward Kallal ,  Ryan Tseng ,  Gabriel Isaac Mayo

IPC: H01F38/14

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037

Abstract: This disclosure provides systems, methods, and apparatus for the limiting of voltage in wireless power receivers. In one aspect, an apparatus includes a power transfer component configured to receive power wirelessly from a transmitter. The apparatus further includes a circuit coupled to the power transfer component and configured to reduce a received voltage when activated. The apparatus further includes a controller configured to activate the circuit when the received voltage reaches a first threshold value and configured to deactivate the circuit when the received voltage reaches a second threshold value. The apparatus further includes an antenna configured to generate a signal to the transmitter that signals to the transmitter that the received voltage reached the first threshold value.

Abstract translation: 本公开提供了用于限制无线电力接收器中的电压的系统，方法和装置。 一方面，一种装置包括被配置为从发射机无线地接收功率的功率传输组件。 该装置还包括耦合到功率传输部件并且被配置为当激活时减小接收电压的电路。 该装置还包括控制器，其被配置为当接收电压达到第一阈值时激活电路，并且被配置为当接收电压达到第二阈值时停用电路。 该装置还包括配置成向发射机产生信号的天线，该信号向发射机发出接收电压达到第一阈值。