CN102369645A - 用于可充电装置的无线电力传送 - Google Patents
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Abstract
示范性实施例是针对于无线电力。便携式可充电装置可包含能量存储装置，其经配置以从电源接收电力。此外，所述便携式可充电装置可包含发射器，其包括至少一个天线且经配置以在相关联的近场区内发射存储于所述能量存储装置中的电力。
Description
根据35U.S.C.§119的优先权主张
本申请案根据35U.S.C.§119(e)主张以下申请案的优先权：
2009年4月1日申请的标题为“通用无线充电配置(GENERAL WIRELESSCHARGING CONFIGURATIONS)”的第61/165,876号美国临时专利申请案，所述临时申请案的全部揭示内容以引用的方式并入本文中；
2009年3月8日申请的标题为“无线充电(WIRELESS CHARGING)”的第61/158,396号美国临时专利申请案，所述临时申请案的全部揭示内容以引用的方式并入本文中；及
2009年4月3日申请的标题为“在单个便携式计算装置中组合无线充电能力与接收无线充电的能力(COMBINING WIRELESS CHARGING CAPABILITY AND THEABILITY TO RECEIVE A WIRELESS CHARGE IN A SINGLE PORTABLE COMPUTINGDEVICE)”的第61/166,685号美国临时专利申请案，所述临时申请案的全部揭示内容以引用的方式并入本文中。
技术领域
本发明大体上涉及无线充电，且更具体地说，涉及双向充电、便携式充电装置以及在对电子装置中的至少一者进行充电时所述电子装置之间的数据发射。
背景技术
通常，每一电池供电装置需要其自有的充电器及电源，所述电源通常为AC电源插座。这在许多装置均需要充电时变得不切实际。
正开发在发射器与待充电的装置之间使用空中电力发射的方法。这些方法通常分成两种类别。一种类别的方法是基于在发射天线与待充电的装置上的接收天线之间的平面波辐射(还被称为远场辐射)的耦合，所述接收天线收集辐射电力且对辐射电力进行整流以用于对电池进行充电。天线通常具有谐振长度以便改进耦合效率。此方法受如下事实影响：电力耦合随着天线之间的距离增加而快速地衰减。因此，难以在合理距离(例如，＞1m到2m)内进行充电。另外，由于系统辐射平面波，所以如果不通过滤波加以恰当控制，无意辐射可能会干扰其它系统。
其它方法是基于嵌入于(例如)“充电”垫块或表面中的发射天线与嵌入于待充电的主机装置中的接收天线加上整流电路之间的电感耦合。此方法具有如下缺点：发射天线与接收天线之间的间隔必须非常紧密(例如，若干毫米)。尽管此方法确实具有同时对同一区域中的多个装置进行充电的能力，但此区域通常较小，因此用户必须将所述装置定位到特定区域。
需要对装置进行无线充电且同时在所述装置间交换信息。还需要以下便携式装置，其经配置以用于接收及发射电力以及用于在装置间进行无线电力的双向发射。
发明内容
附图说明
图1展示无线电力传送系统的简化框图。
图2展示无线电力传送系统的简化示意图。
图3展示用于本发明的示范性实施例中的环形天线的示意图。
图4描绘根据本发明的示范性实施例的充电系统，其包括充电装置及多个可以无线方式充电的装置。
图5说明根据本发明的示范性实施例的多个电子装置，其经配置以用于接收及发射无线电力。
图6描绘根据本发明的示范性实施例的耦合有天线的电子装置。
图7说明根据本发明的示范性实施例的耦合有发射天线及接收天线的电子装置。
图8说明描绘根据本发明的示范性实施例的电子装置的操作状态的状态机图，所述电子装置经配置以用于接收及发射无线电力。
图9描绘根据本发明的示范性实施例的充电系统，其具有充电器及耦合到所述充电器的至少一个便携式充电垫。
图10说明根据本发明的示范性实施例的便携式充电垫。
图11为说明根据本发明的示范性实施例的方法的流程图。
图12说明根据本发明的示范性实施例的表面计算装置，其经配置以用于发射无线电力。
图13说明根据本发明的示范性实施例的另一表面计算装置，其经配置以用于发射无线电力。
图14描绘根据本发明的示范性实施例的系统，其包括表面计算装置及计算机。
图15为说明根据本发明的示范性实施例的另一方法的流程图。
具体实施方式
词“示范性”在本文中用以意指“充当实例、例子或说明”。本文中被描述为“示范性”的任何实施例不必解释为比其它实施例优选或有利。
下文中结合附图所阐述的详细描述既定作为对本发明的示范性实施例的描述，且不希望表示可实践本发明的仅有实施例。贯穿此描述所使用的术语“示范性”意指“充当实例、例子或说明”，且未必应被解释为比其它示范性实施例优选或有利。所述详细描述出于提供对本发明的示范性实施例的透彻理解的目的而包括特定细节。所属领域的技术人员将明白，可在无这些特定细节的情况下实践本发明的示范性实施例。在一些例子中，以框图形式来展示众所周知的结构及装置，以便避免使本文中所呈现的示范性实施例的新颖性模糊。
词“无线电力”在本文中用以意指在不使用物理电磁导体的情况下从发射器到接收器之间发射的与电场、磁场、电磁场或其它者相关联的任何形式的能量。
图1说明根据本发明的各种示范性实施例的无线发射或充电系统100。将输入电力102提供到发射器104以用于产生用于提供能量传送的辐射场106。接收器108耦合到辐射场106且产生输出电力110以供耦合到输出电力110的装置(未图示)存储或消耗。发射器104与接收器108两者间隔开距离112。在一个示范性实施例中，发射器104与接收器108是根据相互谐振关系加以配置，且当接收器108的大致上未调制的谐振频率与发射器104的谐振频率大致上等同时，发射器104与接收器108之间的发射损耗在接收器108位于辐射场106的“近场”中时为最小的。
发射器104进一步包括用于提供能量发射装置的发射天线114，且接收器108进一步包括用于提供能量接收装置的接收天线118。发射天线及接收天线是根据待与其相关联的应用及装置加以定大小。如所叙述，通过将发射天线的近场中的大部分能量耦合到接收天线而非以电磁波形式将大多数能量传播到远场来发生有效能量传送。当在此近场中时，可在发射天线114与接收天线118之间形成耦合模式。可发生此近场耦合的在天线114及118周围的区域在本文中被称作耦合模式区。
图2展示无线电力传送系统的简化示意图。发射器104包括振荡器122、功率放大器124及滤波器与匹配电路126。振荡器经配置以在所要频率下进行产生，所述所要频率可响应于调整信号123加以调整。可通过功率放大器124以响应于控制信号125的放大量来放大振荡器信号。可包括滤波器与匹配电路126以滤出谐波或其它非所要的频率，且使发射器104的阻抗匹配于发射天线114。
接收器可包括匹配电路132及整流器与切换电路以产生DC电力输出，从而对电池136进行充电(如图2所展示)或对耦合到接收器的装置进行供电(未图示)。可包括匹配电路132以使接收器108的阻抗匹配于接收天线118。
如图3所说明，示范性实施例中所使用的天线可经配置为“环形”天线150，其在本文中还可被称作“磁性”天线。环形天线可经配置以包括空气磁心或物理磁心(例如，铁氧体磁心)。空气磁心环形天线可更容许将外来物理装置放置于磁心附近。另外，空气磁心环形天线允许将其它组件放置于磁心区域内。此外，空气磁心环圈可更容易使接收天线118(图2)能够放置于发射天线114(图2)的平面内，其中发射天线114(图2)的耦合模式区可更强大。
如所叙述，在发射器104与接收器108之间的匹配谐振或接近匹配谐振期间发生发射器104与接收器108之间的有效能量传送。然而，即使当发射器104与接收器108之间的谐振不匹配时，也可以较低效率传送能量。通过将能量从发射天线的近场耦合到驻留于建立有此近场的邻域中的接收天线而非将能量从发射天线传播到自由空间中来发生能量传送。
环形天线或磁性天线的谐振频率是基于电感及电容。环形天线中的电感通常仅为由环圈所建立的电感，而通常将电容添加到环形天线的电感以在所要谐振频率下建立谐振结构。作为非限制性实例，可将电容器152及电容器154添加到天线以建立产生谐振信号156的谐振电路。因此，对于较大直径的环形天线，为诱发谐振所需要的电容的大小随着环圈的直径或电感增加而减小。此外，随着环形天线或磁性天线的直径增加，近场的有效能量传送区域增大。当然，其它谐振电路也为可能的。作为另一非限制性实例，可将电容器并联地放置于环形天线的两个端子之间。此外，所属领域的技术人员将认识到，对于发射天线，谐振信号156可为对环形天线150的输入。
本发明的示范性实施例包括在处于彼此的近场中的两个天线之间耦合电力。如所叙述，近场为在天线周围的区域，其中存在电磁场，但所述电磁场可能不传播或辐射远离所述天线。其通常局限于在天线的物理体积附近的体积。在本发明的示范性实施例中，将磁型天线(例如，单匝环形天线及多匝环形天线)用于发射(Tx)天线系统及接收(Rx)天线系统两者，因为与电型天线(例如，小偶极)的电近场相比较，磁型天线的磁近场振幅倾向于较高。此允许所述对天线之间的潜在较高耦合。此外，还预期“电性”天线(例如，偶极及单极)或磁性天线与电性天线的组合。
Tx天线可在足够低的频率下及在天线大小足够大的情况下进行操作，以在显著地大于通过早先所提及的远场及电感方法所允许的距离的距离下实现到小Rx天线的良好耦合(例如，＞-4dB)。如果Tx天线经正确地定大小，则当将主机装置上的Rx天线放置于受驱动Tx环形天线的耦合模式区内(即，在近场中)时，可实现高耦合水平(例如，-2dB到-4dB)。
本发明的示范性实施例包括经配置以用于接收及发射无线电力两者的电子装置。因而，各种示范性实施例是针对于双向无线电力发射。另外，根据各种示范性实施例，电子装置可经配置以进行接收无线电力与发射无线电力中的至少一者，同时与至少一个其它电子装置交换数据。此外，示范性实施例包括具有基站充电器的充电系统，所述基站充电器耦合到电源且经配置以用于对一个或一个以上便携式充电垫进行充电。
图4描绘包括耦合有发射天线404的充电装置402的充电系统400。充电装置402可包含任何已知及合适的无线充电装置。充电系统400还包括具有相关联的天线408的第一可充电装置406及具有相关联的天线412的第二可充电装置410。第一可充电装置406及第二可充电装置410可各自包含任何已知及合适的可充电装置。作为非限制性实例，第一可充电装置406及第二可充电装置410可各自包含蜂窝式电话、便携式媒体播放器、相机、游戏装置、导航装置、头戴式耳机(例如，蓝牙头戴式耳机)、工具、玩具或其任何组合。如下文更完整地描述，第一可充电装置406及第二可充电装置410可各自经配置以从发射天线404接收无线电力且同时从至少一个其它电子装置接收信息、将信息发射到至少一个其它电子装置或进行所述两种操作。
更具体地说，发射天线404可经配置以经由发射器(例如，图2的发射器104)从电源接收电力，且在接收到所述电力后，可在相关联的近场内以无线方式发射电力。另外，由发射天线404发射的无线电力可由相关联的耦合模式区内的天线接收。举例来说，由发射天线404发射的电力可由天线408接收并存储于第一可充电装置406内的电池(例如，图2的电池136)内。更具体地说，从发射天线404发射的电力可由接收天线408及耦合到第一可充电装置406的电池的接收器(例如，图2的接收器108)接收。类似地，由发射天线404发射的电力可由天线412接收并存储于第二可充电装置410内的电池(例如，图2的电池136)内。
注意，发射天线404可经配置以同时将电力发射到发射天线404的近场内的一个或一个以上天线。此外，尽管充电系统400包括耦合到充电装置402的仅一个发射天线及接近于充电装置402定位的两个可充电装置，但本发明的实施例并不限于此。而是，包括以下各者的充电系统属于本发明的范围内：耦合有任何数目的发射天线的充电装置，及接近于所述充电装置定位的任何数目的可充电装置。
此外，根据示范性实施例，第一可充电装置406及第二可充电装置410可各自经配置以用于与至少一个其它电子装置共享数据。更具体地说，作为实例，第一可充电装置406可经配置以建立与至少一个其它电子装置的通信链路，且在建立所述通信链路后，可即刻与所述至少一个其它电子装置共享信息(例如，音频文件、数据文件或视频文件)。可通过任何已知及合适的方式来建立通信链路。举例来说，可经由近场通信(NFC)装置、经由反射阻抗装置、经由局域网络(LAN)或经由个人局域网络(PAN)来建立通信链路。作为实例，第一可充电装置406可经配置以经由任何已知及合适的方式建立与第二可充电装置410的通信链路414，且在建立通信链路414后，信息可即刻在第一可充电装置406与第二可充电装置410之间共享。更具体地说，在已于第一可充电装置406与第二可充电装置410之间建立通信链路414之后，第一可充电装置406可将信息发射到第二可充电装置410，且第一可充电装置406可从第二可充电装置410接收信息。注意，最初，电子装置(例如，可充电装置410或可充电装置406)可能需要经配置以启用信息共享能力。然而，在初始配置之后，电子装置可无限期地适用于共享信息。
因而，根据本发明的一个示范性实施例，可充电装置(例如，第二可充电装置410)可经配置以从发射天线(例如，发射天线404)接收无线电力且同时从至少一个其它电子装置(例如，可充电装置406)接收信息、将信息发射到至少一个其它电子装置(例如，第一可充电装置406)或进行所述两种操作。注意，如果通信链路414包含近场通信链路，则可充电装置(例如，第二可充电装置410)可经配置以在从发射天线(例如，发射天线404)接收无线电力之后或之前立即从至少一个其它电子装置(例如，可充电装置406)接收信息或将信息发射到至少一个其它电子装置(例如，第一可充电装置406)。
虽然无线电力发射可在无线电力发射系统中的一个装置包括发射器且另一装置包括接收器时发生，但单个装置可包括无线电力发射器及无线电力接收器两者。因此，此实施例可经配置以包括专用发射电路(例如，发射电力转换电路及发射天线)及专用接收器电路(例如，接收天线及接收电力转换电路)。因此，本文中所揭示的各种示范性实施例识别双向电力发射，即，使装置在所述装置处接收无线电力及从所述装置发射无线电力的能力。
所述配置的各种益处包括装置接收并存储无线电力且接着在随后将所存储的电力发射或“捐赠”给另一接收或“吸收”装置的能力。因此，还可将所述配置视为“点到点”的“慈善”充电配置。所述装置充电布置在发生充电的位置方面提供相当大的便利(即，接收器或“吸收”装置未必需要从定位不便利或不可用的充电垫接收充电)。
根据本发明的另一实施例，具有至少一个天线的可充电装置可经配置以将无线电力发射到至少一个其它可充电装置以及从至少一个其它可充电装置接收无线电力。更具体地说，参看图5，具有天线408的第一可充电装置406可经配置以将无线电力发射到具有天线412的第二可充电装置410，且反之亦然。因此，第一可充电装置406及第二可充电装置410中的每一者可经配置以用于双向无线充电。所述双向无线充电的示范性方法描述于2009年9月1日申请的标题为“双向无线电力发射(BIDIRECTIONALWIRELESS POWER TRANSMISSION)”的第12/552,110号美国专利申请案中，所述美国专利申请案的细节以引用的方式并入本文中。
继续参看图5，现将描述操作经配置以发射及接收无线电力的电子装置的各种预期方法。注意，尽管参考第一可充电装置406向第二可充电装置410请求电力来描述各种示范性实施例，但第二可充电装置410可类似地向第一可充电装置406请求电力。
任何时候，第一可充电装置406均可向第二可充电装置410请求电力，且响应于电力请求，第二可充电装置410可拒绝或接受所述请求。用于确定接受电力请求还是拒绝电力请求的准则可为实施方案特定的，且可包括各种因素。所述因素可包括(仅举例来说)：第一可充电装置406所请求的电力的量；第二可充电装置410是否包括足够量的能量以向第一可充电装置406提供电力；第二可充电装置410是否经配置以发源适当量的电流以便对第一可充电装置406进行充电；在第二可充电装置410可接收充电之前的估计时间量；在第二可充电装置410将电力提供到第一可充电装置406之后的估计待机时间；或其任何组合。此外，所述确定可取决于用户定义的偏好。此外，装置用户可接收实时提示，其询问接受电力请求还是拒绝电力请求。在接受充电请求后，第二可充电装置410可即刻以无线方式发射电力，所述电力可由第一可充电装置406接收。
图6说明耦合有天线504的电子装置502。电子装置502可包含任何已知的电子装置。在图6中所说明的实例中，电子装置502包含膝上型计算机，其中天线504耦合到膝上型计算机的盖子(即，监视器)。根据一个示范性实施例，天线504及相关联的电路(未图示)可经配置以用于接收无线电力及发射无线电力两者。根据另一示范性实施例，如图7中所说明，电子装置502可包含经配置以用于接收无线电力的接收天线506及相关联的接收器电路(未图示)，以及经配置以用于发射无线电力的发射天线508及相关联的发射器电路(未图示)。注意，天线504、接收天线506及发射天线508中的每一者可以某一方式耦合到电子装置502，以便避免所述天线与电子装置502的任何金属组件(例如，电子装置502的金属显示器)之间的任何电干扰。
在任一示范性实施例中，经配置以接收无线电力的天线(即，天线504或接收天线506)可与电子装置502的元件(例如，电力电路、电池或其任何组合)介接。因此，由天线504或天线506接收的电力可传达到电子装置502的所述元件(例如，电池、电力电路或其任何组合)。另外，经配置以发射无线电力的天线(即，天线504或发射天线508)可与电子装置502的电源(例如，电力电路、电池或其任何组合)介接。因此，电力可从电子装置502的电源(例如，电池、电力电路或其任何组合)传达到天线504或天线508，天线504或天线508可接着在相关联的近场区内以无线方式发射电力。
图8说明电子装置的状态机图600，所述电子装置经配置以用于接收无线电力及发射无线电力两者。在电子装置(例如，电子装置502)的能量水平(即，电池电荷的量)大于预定阈值水平的任何时候，所述电子装置可在“就绪到发射状态”602下操作。仅在电子装置包括大于预定阈值水平的能量水平的情况下允许电子装置发射能量可防止电子装置在不具有足够电荷来对另一电子装置进行充电的情况下或在对另一电子装置进行充电将大量地从电子装置汲取电力从而使其需要立即充电的情况下对另一电子装置进行充电。
如果在电子装置处于“就绪到发射能量状态”602的任何时候，经配置以用于接收无线充电的另一电子装置定位于电子装置的充电区内，则可发生所述电子装置之间的验证过程。在已成功验证装置之后，电子装置可转变到“发射状态”604，其中电子装置可将电力发射到所述另一可充电装置。此外，如果在电子装置处于“就绪到发射能量状态”602的任何时候，所述电子装置定位于经配置以发射无线电力的另一电子装置的充电区内，则可发生所述电子装置之间的验证过程。在成功验证后，电子装置可即刻转变到“接收状态”606，其中电子装置可从所述另一电子装置接收无线充电。注意，电子装置可经配置以同时发射无线电力及接收无线电力。因此，电子装置可同时处于“发射状态”604及“接收状态”606中。
图9说明根据本发明的另一示范性实施例的充电系统650。充电系统650可包括经配置以用于经由电力连接器656耦合到电源654的充电器652。充电器652在本文中还可被称作“基站充电器”。电源654可包含任何已知、合适的电源，例如电源插座。此外，电力连接器656可包含任何已知、合适的电力连接器，例如电力线。
基站充电器652可包含至少一个端口(未图示)，其中每一端口经配置以接纳便携式充电垫658。注意，每一端口可经配置以将便携式充电垫机械耦合到基站充电器652、将便携式充电垫电耦合到基站充电器652或进行所述两者。便携式充电垫658可包含天线660及相关联的电路662(参见图10)。便携式充电垫658还可包含能量存储装置664(参见图10)，例如(仅举例来说)可充电电池、存储电容器、MEMS能量存储装置或其任何组合。基站充电器652可经配置以经由电源654及电力连接器656接收电力且经由任何合适方式将电力供应到一个或一个以上充电垫658。举例来说，基站充电器652可包含一个或一个以上发射天线且可经配置以用无线方式将电力发射到一个或一个以上充电垫658。作为另一实例，基站充电器652可经配置以经由有线连接将电力传达到耦合到其的一个或一个以上充电垫658。另外，便携式充电垫658可经配置以从充电器652移除且可经移动到用于一个或一个以上可充电装置的后续充电的任何位置。
现将描述操作充电系统(例如，充电系统650)的示范性方法。一个或一个以上便携式充电垫658可耦合到基站充电器652或接近于基站充电器652而放置。可经由电源654及电力连接器656接收电力的基站充电器652可经由任何已知及合适的方式将电力发射到所述一个或一个以上便携式充电垫658。在接收充电之后，至少一个便携式充电垫658可从基站充电器652移除且随后用于对至少一个可充电装置进行充电。
作为实例，用户可经由定位于例如住处或办公室等位置的基站充电器652对便携式充电垫658进行充电，且在此之后移除便携式充电垫658，且使用便携式充电垫658对定位于交通工具(例如，汽车或飞机)中的至少一个可充电装置进行无线充电。作为更特定的实例，用户可将便携式充电垫658定位于飞机折迭餐桌(tray table)上，将媒体播放器定位于便携式充电垫658的充电区内，且在媒体处于“关闭”或“开启”操作状态下时对媒体播放器进行充电。因此，可在不需要有线电力连接的情况下延长媒体播放器的电池寿命。
作为另一实例，用户可经由定位于住宅中的某一位置(例如，办公室或书房)处的基站充电器652对便携式充电垫658进行充电。此后，用户可移除便携式充电垫658，且使用便携式充电垫658对处于可能不包括电源插座的另一位置处的至少一个可充电装置进行无线充电。作为更特定的实例，用户可将便携式充电垫658定位于可能不接近于电源插座的室外台或入口台上。用户可接着将膝上型计算机定位于便携式充电垫658的充电区内，且在膝上型计算机处于“关闭”或“开启”操作状态下时对膝上型计算机进行充电。因此，可在不需要有线电力连接的情况下延长膝上型计算机的电池寿命。
图11为说明根据一个或一个以上示范性实施例的方法680的流程图。方法680可包括用便携式可充电装置来接收电力(由标号682描绘)。方法680可进一步包括在相关联的近场区内从所述便携式可充电装置发射无线电力(由标号684描绘)。
如所属领域的技术人员将理解，“表面计算”是与一种技术相关联的术语，在所述种技术中，用户可通过对象(例如，台)的表面来代替键盘、鼠标或监视器与定位于对象的表面上的计算机及/或电子装置交互。多点触摸表面可通过允许经由表面接触(例如，由多个手指或多个用户进行的触摸)操纵显示于表面上的对象而促进表面计算。另外，可使用指派给每一装置的唯一识别符在定位于对象的表面上的两个或两个以上装置之间传送内容。
图12说明根据本发明的各种示范性实施例的表面计算装置500，其经配置以用于无线充电。装置500可包括显示器，所述显示器可包含触敏式等离子体屏幕。另外，如所属领域的技术人员将理解，装置500可包括相机、投影仪、扬声器等等。此外，无线充电器500可包括发射天线502，其经配置以在相关联的近场区内用无线方式发射电力。
如所配置，装置500可检测并验证定位于装置500的表面508上的电子装置的存在。定位于装置500上的装置(例如，移动电话504或数码相机506)的存在可通过检测磁场的场干扰来确定，所述磁场建立于发射天线502与在电子装置(例如，移动电话504)内且经配置以用于接收无线电力的天线(未图示)之间。除了检测电子装置的存在之外，场干扰可指示电子装置已就绪以接收无线电力，或就绪以发射或接收信息。举例来说，定位于装置500上的电子装置(例如，数码相机506)可经由无线充电协议发射信号，所述信号请求无线充电、请求无线数据链路(例如，蓝牙(BT)连接)的建立或所述两者。注意，任何已知及合适的数据链路可属于本发明的范围内。举例来说，数据链路可包含蓝牙连接、Wi-Fi连接、60GHz连接或UWB连接。
注意，在可在电子装置(例如，移动电话504或数码相机506)与装置500之间建立无线数据链路(例如，BT连接)之前，装置500可起始密钥交换以使电子装置与装置500“配对”。一旦经配对，便可起始数据链路，从而允许数据在装置500与正被充电的电子装置之间传送。更具体地说，在建立数据链路后，可即刻将数据(例如，相片、视频或音乐)从(例如)电子装置的“公用”目录传送到装置500。另外，在已建立数据链路且将数据从电子装置传送到装置500之后，用户可以用户友好的多点触摸方式与数据交互，同时定位于表面508上的电子装置接收无线充电。作为实例，在电子装置正充电的同时，可由装置500传达从所述电子装置传送的数据(例如，可显示相片或可播放音乐)。注意，装置用户可在不将数据传送到装置500的情况下存取存储于电子装置上的数据且与所述数据交互。
图13说明根据本发明的各种示范性实施例的另一表面计算装置600，其经配置以用于无线充电。装置600包括发射天线620，其经配置以在相关联的近场区内用无线方式发射电力。根据一个示范性实施例，装置600可经实施为经配置以显示交互菜单的多点触摸表面，所述交互菜单具有与定位于所述表面上的一个或一个以上电子装置中的至少一者相关联的交互元件(即，控制件)。装置600可包含经配置以用于接收图像并将图像发射到装置600的表面608上的相机604及投影仪602。图像610是表示从移动电话504投影到装置600的表面608上的小键盘的一个此类图像。小键盘的投影图像可通过呈现较大区域来操纵电话控制件而增强移动电话504的使用，所述区域大于移动电话504的实际小键盘上可用的局限空间中可用的区域。此外，装置600可包括扬声器601，其经配置以用于以听觉方式传达从电子装置(例如，移动电话504)接收的数据(例如，音频文件)。
根据另一示范性实施例，装置600可经配置以与独立计算机通信。仅举例来说，装置600可经配置以经由无线装置(例如，经由USB适配器或USB道尔芯片)与独立计算机通信。因此，所述独立计算机及相关联的显示器可用以促进去往及来自放置于装置600上的电子装置或经由因特网的信息交换。更具体地说，图14说明一种系统，其中装置600经配置以通过USB道尔芯片702与计算机700通信，所述USB道尔芯片702借助于(例如)蓝牙连接提供装置600与计算机700之间的通信链路。在此示范性实施例中，计算机700的监视器可用以操纵定位于装置600的表面之上的电子装置(例如，移动电话504)上的数据。另外，计算机700可提供去往因特网的通信链路以使得能够在电子装置与因特网之间进行连接。因此，例如，在移动电话504正经由发射天线620充电的同时，可在移动电话504与计算机700之间传送数据。
图15为说明根据一个或一个以上示范性实施例的另一方法690的流程图。方法690可包括将无线电力从发射天线发射到定位于装置的表面上的一个或一个以上电子装置(由标号692描绘)。此外，方法690可包括在定位于所述装置的表面上的显示器上传达来自所述一个或一个以上电子装置中的至少一个电子装置的数据(由标号694描绘)。
所属领域的技术人员将理解，可使用多种不同技术及技艺中的任一者来表示信息及信号。举例来说，可通过电压、电流、电磁波、磁场或磁性粒子、光场或光学粒子或其任何组合来表示可贯穿上述描述而参考的数据、指令、命令、信息、信号、位、符号及码片。
技术人员将进一步了解，结合本文中所揭示的示范性实施例所描述的各种说明性逻辑块、模块、电路及算法步骤可经实施为电子硬件、计算机软件或两者的组合。为了清楚地说明硬件与软件的此互换性，上文已大体上在其功能性方面描述了各种说明性组件、块、模块、电路及步骤。将此功能性实施为硬件还是软件取决于特定应用及强加于整个系统的设计约束。熟练的技术人员可针对每一特定应用以变化的方式实施所描述的功能性，但这些实施方案决策不应被解释为会引起偏离本发明的示范性实施例的范围。
结合本文中所揭示的示范性实施例所描述的各种说明性逻辑块、模块及电路可用通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或其它可编程逻辑装置、离散门或晶体管逻辑、离散硬件组件或其经设计以执行本文中所描述的功能的任何组合来实施或执行。通用处理器可为微处理器，但在替代方案中，处理器可为任何常规的处理器、控制器、微控制器或状态机。还可将处理器实施为计算装置的组合，例如，DSP与微处理器的组合、多个微处理器、结合DSP核心的一个或一个以上微处理器或任何其它此类配置。
结合本文中所揭示的示范性实施例所描述的方法或算法的步骤可直接以硬件、以由处理器执行的软件模块或以所述两者的组合来体现。软件模块可驻留于随机存取存储器(RAM)、快闪存储器、只读存储器(ROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)、寄存器、硬盘、可装卸式磁盘、CD-ROM或此项技术中已知的任何其它形式的存储媒体中。将示范性存储媒体耦合到处理器，使得所述处理器可从所述存储媒体读取信息以及将信息写入到所述存储媒体。在替代方案中，存储媒体可与处理器成一体式。处理器及存储媒体可驻留于ASIC中。ASIC可驻留于用户终端中。在替代方案中，处理器及存储媒体可作为离散组件驻留于用户终端中。
在一个或一个以上示范性实施例中，可以硬件、软件、固件或其任何组合来实施所描述的功能。如果以软件来实施，则可将所述功能作为一个或一个以上指令或代码存储于计算机可读媒体上或经由计算机可读媒体来传输。计算机可读媒体包括计算机存储媒体与通信媒体两者，通信媒体包括促进将计算机程序从一处传送到另一处的任何媒体。存储媒体可为可由计算机存取的任何可用媒体。借助于实例而非限制，所述计算机可读媒体可包含RAM、ROM、EEPROM、CD-ROM或其它光盘存储装置、磁盘存储装置或其它磁性存储装置，或可用于以指令或数据结构的形式携载或存储所要的程序代码且可由计算机存取的任何其它媒体。而且，将任何连接适当地称为计算机可读媒体。举例来说，如果使用同轴电缆、光纤电缆、双绞线、数字订户线(DSL)或例如红外线、无线电及微波等无线技术而从网站、服务器或其它远程源传输软件，则同轴电缆、光纤电缆、双绞线、DSL或例如红外线、无线电及微波等无线技术包括在媒体的定义中。如本文中所使用，磁盘及光盘包括压缩光盘(CD)、激光光盘、光学光盘、数字通用光盘(DVD)、软性磁盘及蓝光光盘，其中磁盘通常以磁性方式再现数据，而光盘借助激光以光学方式再现数据。以上各项的组合也应包括在计算机可读媒体的范围内。
提供对所揭示的示范性实施例的先前描述以使得所属领域的任何技术人员能够制作或使用本发明。所属领域的技术人员将容易明白对这些示范性实施例的各种修改，且本文中所定义的一般原理可在不偏离本发明的精神或范围的情况下应用于其它实施例。因此，本发明不希望限于本文中所展示的示范性实施例，而是应被赋予与本文中所揭示的原理及新颖特征一致的最广泛范围。
Claims (28)
1.一种便携式可充电装置，其包含：
能量存储装置，其经配置以从电源接收电力；及
发射器，其包括至少一个天线且经配置以根据大致上未调制的谐振频率在相关联的近场区内发射存储于所述能量存储装置中的电力。
2.根据权利要求1所述的装置，其中所述便携式可充电装置包含便携式充电垫，所述便携式充电垫经配置以用于选择性耦合到充电器。
3.根据权利要求2所述的装置，其中所述充电器经配置以可操作地耦合到多个可充电装置且对所述多个可充电装置进行充电。
4.根据权利要求2所述的装置，其中所述充电器经配置以从电源插座接收电力。
5.根据权利要求2所述的装置，其中所述电源包含可充电电子装置及基站充电器中的一者。
6.根据权利要求1所述的装置，其中所述发射器经配置以在所述能量存储装置从所述电源接收电力之后发射存储于所述能量存储装置中的能量。
7.根据权利要求1所述的装置，其中所述至少一个天线经配置以用于从所述电源接收无线电力。
8.根据权利要求1所述的装置，其中所述至少一个发射天线经配置以在所述便携式可充电装置的电力水平超过预定义阈值水平的情况下发射无线电力。
9.根据权利要求1所述的装置，其中所述可充电装置进一步经配置以从所述电源接收电力，且同时进行以下操作中的至少一者：从至少一个其它电子装置接收信息及将信息发射到所述至少一个其它电子装置。
10.一种装置，其包含：
表面，其经配置以用于放置一个或一个以上电子装置；
至少一个发射天线，其接近于所述表面且经配置以用于在相关联的近场内发射无线电力；
其中所述装置经配置以：
检测所述发射天线与定位于所述装置上的电子装置的天线之间的场干扰；且
启用定位于所述装置上的所述一个或一个以上电子装置之间的一个或一个以上通信链路。
11.根据权利要求10所述的装置，其中所述装置经配置以启用定位于所述装置上的所述一个或一个以上电子装置中的至少一者之间的蓝牙通信链路、60MHz通信链路、Wi-Fi通信链路、IEEE 802.11通信链路及UWB通信链路中的至少一者。
12.根据权利要求10所述的装置，其中所述表面包含多点触摸表面。
13.根据权利要求12所述的装置，其中所述多点触摸表面经配置以显示与定位于所述表面上的所述一个或一个以上电子装置中的至少一者相关联的交互元件。
14.根据权利要求10所述的装置，其中所述装置进一步经配置以在启用与所述一个或一个以上电子装置中的电子装置的通信链路之前起始与所述电子装置的密钥交换。
15.根据权利要求10所述的装置，其中所述装置进一步经配置以在定位于所述装置的所述表面上的显示器上传达来自所述一个或一个以上电子装置中的至少一个电子装置的数据。
16.一种方法，其包含：
用便携式可充电装置内的能量存储装置接收电力；及
根据大致上未调制的谐振频率在相关联的近场区内发射存储于所述能量存储装置中的电力。
17.根据权利要求16所述的方法，其中用能量存储装置接收电力包含用便携式充电垫内的能量存储装置从充电器接收电力。
18.根据权利要求17所述的方法，其中发射无线电力包含将无线电力从所述便携式充电垫发射到一个或一个以上可充电装置。
19.根据权利要求16所述的方法，其中用便携式可充电装置内的能量存储装置接收电力包含用以下各者中的至少一者接收无线电力：蜂窝式电话、便携式媒体播放器、相机、游戏装置、导航装置、头戴式耳机、工具及玩具。
20.根据权利要求16所述的方法，其进一步包含向另一便携式装置请求无线电力充电。
21.根据权利要求16所述的方法，其进一步包含在所述便携式可充电装置与另一便携式电子装置之间发射无线电力之前在所述装置之间执行验证过程。
22.一种无线电力系统，所述系统包含：
用于用便携式可充电装置内的能量存储装置接收电力的装置；及
用于根据大致上未调制的谐振频率在相关联的近场区内发射存储于所述能量存储装置中的电力的装置。
23.一种方法，其包含：
根据大致上未调制的谐振频率将无线电力从发射天线发射到定位于装置的表面上的一个或一个以上电子装置；及
在定位于所述装置的所述表面上的显示器上传达来自所述一个或一个以上电子装置中的至少一个电子装置的数据。
24.根据权利要求23所述的方法，其进一步包含检测所述发射天线与定位于所述装置的所述表面上的所述一个或一个以上电子装置中的电子装置的天线之间的场干扰。
25.根据权利要求23所述的方法，其进一步包含将至少一个信号从所述一个或一个以上电子装置中的电子装置发送到所述装置，所述至少一个信号请求所述电子装置与所述装置之间的数据链路及从所述装置进行的无线充电中的至少一者。
26.根据权利要求23所述的方法，其中传达数据包含在所述装置的所述表面上显示从所述一个或一个以上电子装置中的电子装置发射的图像。
27.根据权利要求23所述的方法，其中传达数据包含在与所述装置相关联的至少一个扬声器上以听觉方式传达从所述一个或一个以上电子装置中的电子装置发射的音乐。
28.一种无线电力系统，所述系统包含：
用于根据大致上未调制的谐振频率将无线电力从发射天线发射到定位于装置的表面上的一个或一个以上电子装置的装置；及
用于在定位于所述装置的所述表面上的显示器上传达来自所述一个或一个以上电子装置中的至少一个电子装置的数据的装置。
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Also Published As
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|---|---|
| JP2014042455A (ja) | 2014-03-06 |
| US20130249481A1 (en) | 2013-09-26 |
| TW201101646A (en) | 2011-01-01 |
| US20100225270A1 (en) | 2010-09-09 |
| EP2406864A1 (en) | 2012-01-18 |
| JP2012520057A (ja) | 2012-08-30 |
| JP5752056B2 (ja) | 2015-07-22 |
| WO2010104803A1 (en) | 2010-09-16 |
| EP2406864B1 (en) | 2021-08-04 |
| US9793738B2 (en) | 2017-10-17 |
| KR20110127243A (ko) | 2011-11-24 |
| CN102369645B (zh) | 2015-12-16 |
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