CN1178406C - 短距离磁通信系统 - Google Patents
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Abstract
一种在便携单元和通信系统之间传送信号的系统和方法。便携设备利用感应耦合与母机单元通信。母机单元还与诸如电话网络的更大的通信系统连接。在母机单元中使用了多个正交排列的转换器来提供更完整的磁场并防止在磁场中出现的互感盲区。使用短距离感应耦合最大限度地减小对电源的需求并限制了与其它源的干扰。感应耦合也可以用于给便携设备中的电池充电。
Description
本发明涉及短距离无线通信系统，尤其涉及利用感应耦合的系统。
在使用电话时，常时间将听筒握持在人的耳朵上可能很不方便。而且，当试图通话时，把持电话会防碍双手进行其它工作。特别是在驾车时使用蜂窝电话(正在迅速增加)会干扰使用者正常的驾驶操作。已有各种用于克服这些困难的技术。
免提型电话(speakerphone)使人可以一边在屋内走动一边用双手做事。然而，免提型电话的扬声器的声音会干扰使用者周围的其他人。由于相互间的干扰，不能同时使用放置在近处的两个以上的免提型电话。因为扬声器将通话内容播放给所有能听到的人，所以它们会泄露秘密。通常，使用者的讲话必须比正常情况下要响亮，以使传声器能正常接收使用者的声音。而且，因为使用者不常在传声器的近处且室内的声学效果差，所以传声器接收声音的质量经常不好。
头戴型电话(headset)是另一种解放电话用户双手的途径。通常，头戴型电话包含：一可调节的沿使用者头部伸展的吊带，用于定位头戴型电话；至少一个位于使用者耳部的耳机；以及，从头戴型电话伸出的传声器，它围绕着使用者的面部并定位于使用者嘴前。头戴型电话通过电线接在电话机上。头戴型电话的缺点是体积大且使用时有些麻烦。虽然在使用电话机时它们解放了双手，但由于连接线而限制了使用者的活动范围。
也开发了消除与电话机之间连接线的无线头戴型电话。无线头戴型电话采用了射频(RF)技术或红外技术，来在头戴型电话和与电话机相连的母机单元之间进行通信。与母机单元通信所需的通信电路和相当的电源增加了头戴型电话的体积和重量。使用者会对电话重量的增加感到厌烦。另一种方法是将头戴型电话用电线与一发送单元相连，该发送单元挂在使用者的皮带上。但对于无线头戴型电话，电线就变得不方便了，而且会干扰使用者的其它动作。在邻近范围内使用多个头戴型电话时还需要有效的干扰抑制电路。
因此，要求一种能给使用者提供更方便和舒适的电话机无线通信系统。
本发明通过以下的特点来克服现有技术系统的这些缺点，其中的一个特点是，包括一个短距离、无线通信系统，在该系统中包括袖珍便携转发器和母机单元转发器。袖珍便携转发器利用磁感应与母机单元(也可以是便携的)互通信息。同样，母机单元也利用磁感应与便携转发器交换信息。信息可以是人的声音、数据、音乐或视频。使用磁感应场可减少电能消耗，从而带来更小的尺寸和更大的便利。
本发明的另一个特点是，母机单元可包括多个正交排列的用于产生多个磁场的转换器。多个磁场基本上消除了在母机单元和便携单元之间在一产生场的一定位置上出现的互感盲区。本发明的另一特点是，多个转换器可选择性地根据最强信号操作，以便减少电能损耗。
本发明的另一个特点是，头戴型电话包含袖珍转发器，转发器利用磁感应场与母机单元通信。在头戴型电话和母机单元之间传送的信息可以是声音和数据。本发明的另一个特点是，头戴型电话可以是外耳形的，其中的扬声器置入使用者耳朵，而没有跨在头部的吊带，且用于收发信号的转发器封装在沿使用者面颊摆放的短而直的传声器托杆上。本发明的另一个特点是，母机单元可以是使用者可携带的便携式电话机，用于进一步从无线通信系统发送信号给蜂窝电话网或无绳电话机单元。
本发明的另一个特点是，头戴型电话可以置入便携母机单元的支座内，以便对头戴型电话内的电池充电。本发明的另一个特点是，通过在母机单元和头戴型电话之间的磁互感应来给电池充电。
按照本发明的一方面，提供了一种通信系统，包括：
母机单元，包括：母机单元输入装置，用于输入第一信号；母机单元输出装置，用于输出第二信号；母机单元转换器系统，它具有至少三个正交的转换器，与所述输入装置和正交转换器连接的选择装置，用于根据所述第一信号有选择性地激活至少一个所述正交转换器，以产生第一感应场，以及与所述输出装置和正交转换器连接的接收装置，用于接收至少一个所述正交转换器的第二感应场并将第二感应场转换为所述第二信号；
便携单元，它可与所述母机单元分开放置且处在所述第一感应场中，包括：便携单元输入装置，用于输入第三信号；便携单元输出装置，用于输出第四信号；便携单元转换器系统，它与所述便携单元输入装置相连，用于根据所述第三信号产生所述第二感应场，以使所述母机单元处在第二感应场内，它又与所述便携单元输出装置连接，用于将所述第一感应场转换为所述第四信号；
其中，所述母机单元转换器系统和便携单元转换器系统的工作可以同时产生和转换所述第一感应场和所述第二感应场；以及其中，所述母机单元转换器系统的选择装置的工作与所述便携单元转换器系统相联系，以选择至少一个正交转换器，使所述第一感应场和第二感应场的接收与所述便携单元和母机单元的相对位置和取向无关。
按照本发明的另一方面，提供了一种与通信网络通信的方法，该方法包括以下步骤：从一通信网络输入第一信号；有选择性地将第一信号提供给具有至少三个正交转换器的转换器系统中的至少一个转换器，以根据所述第一信号产生第一感应场；将所述第一感应场转换成第二信号；接收第三信号；根据所述第三信号产生第二感应场；有选择性地接收在所述转换器系统的正交转换器中至少一个转换器的第二感应场，以将所述第二感应场转换成第四信号；向所述通信网络输出所述第四信号。
按照本发明的另一方面，提供了一种通信系统，包括：
母机单元，包括：母机单元输入装置，用于输入第一信号；母机单元输出装置，用于输出第二信号；母机单元转换器系统，它与所述输入装置相连，用于根据所述第一信号产生第一感应场，并且和所述输出装置相连，用于将第二感应场转换为所述第二信号；
便携单元，它与所述母机单元分开放置且处在所述第一感应场中，包括：便携单元输入装置，用于输入第三信号；便携单元输出装置，用于输出第四信号；便携单元转换器系统，它具有至少三个正交的转换器，与所述便携单元输入装置和正交转换器连接的选择装置，用于有选择性地激活至少一个所述正交转换器以根据所述第三信号产生第二感应场，以及与所述便携单元输出装置和正交转换器连接的接收装置，用于接收至少一个所述正交转换器的第一感应场并将第一感应场转换为所述第四信号；
其中，所述母机单元转换器系统和便携单元转换器系统的工作可以同时产生和转换所述第一感应场和所述第二感应场；以及其中，所述便携单元转换器系统的选择装置的工作与所述母机单元转换器系统相联系，以选择至少一个正交转换器，使所述第一感应场和第二感应场的接收与所述便携单元和母机单元的相对位置和取向无关。
按照本发明的另一方面，提供了一种通信系统，包括：
与一通信网络通信的母机单元，包括：母机单元输入装置，用于从该通信网络输入第一信号；机单元转换器系统，它具有至少三个正交的转换器，用于根据所述第一信号产生第一感应场；以及
便携单元，它与所述母机分开设置并处在所述第一感应场中，包括：便携单元转换器系统，用于与所述便携单元和所述母机单元之间的相对位置无关地将所述第一感应场转换为所述第四信号；便携单元输出装置，它与所述便携单元转换器系统连接，用于输出所述第四信号；
其中，所述三个正交转换器消除了互感应盲区。
按照本发明的另一方面，提供了一种支持双向通信的感应通信系统，包括：
母机单元转换器系统，包括：(1)至少三个正交的转换器，(2)一个与所述正交的转换器耦合的选择器，用于有选择性地激活至少一个所述正交转换器，以产生第一感应场，和(3)与所述正交转换器连接的接收器电路，用于接收和解码至少一个所述正交转换器上的第二感应场；和
便携单元，它与所述母机单元转换器系统分开放置且处在所述第一感应场中，该便携单元包括：包括用于产生第二感应场的单个感应转换器的便携单元转换器系统，
所述母机单元转换器系统，根据从便携单元的所述单个感应转换器接收的场，选择所述母机单元转换器系统的至少三个正交转换器的一个或多个，用于向所述便携单元发射一个场。
按照本发明的另一方面，提供了一种用于感应通信的方法，所述方法包括：在第一设备接收第一组信号；根据从第二设备的单个感应转换器接收的场而有选择性地将所述第一组信号提供给具有至少三个正交转换器的转换器系统中的至少一个转换器，以根据所述第一组信号产生第一感应场；在所述第二设备的所述单个感应转换器接收所述第一感应场；在所述第二设备，根据第二组信号产生第二感应场；并且在所述第一设备的所述转换器系统的至少一个所述正交转换器上有选择性地接收所述第二感应场。
按照本发明的另一方面，提供了一种适合于与网络通信的感应通信系统，包括：母机单元，支持与所述网络的双向通信，所述母机单元包括母机单元转换器系统，所述母机单元转换器系统包括一组三个正交转换器；便携单元，包括单个转换器，所述便携单元支持通过由所述母机单元转换器系统和所述单个转换器分别产生的第一和第二感应场来与母机单元进行双向通信，所述一组三个正交转换器之一产生第一感应场，所述母机单元根据从所述便携单元的所述单个感应转换器接收的场来选择所述母机单元的三个正交转换器的一个或多个，用于向所述便携单元发射一个场。
按照本发明的另一方面，提供了一种用于通过无线链路通信信息的系统，所述系统包括：第一站，包括三个感应转换器，每个的方向与其他的正交；和第二站，包括单个感应转换器，所述第一和第二站彼此相对可以移动，在彼此相对在一个距离范围内的各个所述站的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送，所述第一站根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的三个感应转换器中的一个或多个，用于向所述第二站发送一个场。
按照本发明的另一方面，提供了一种用于通过无线链路通信信息的方法，所述方法包括：在第一站将三个感应转换器彼此正交地定向；在第二站提供单个感应转换器，所述第一和第二站彼此可以相对移动；在彼此相对在一个距离范围内的任何角定向，将信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中来发送；并且根据从所述第二站的所述单个感应转换器接收的一个场来选择所述第一站的所述三个感应转换器中的一个或多个，用于向所述第二站发送一个场。
按照本发明的另一方面，提供了一种用于通过无线链路通信信息的系统，所述系统包括：第一站，包括一个感应转换器系统，用于在三个正交方向的每个中产生感应场；和第二站，包括单个感应转换器，所述第一和第二站彼此相对可以移动，在彼此相对在一个距离范围内的各个所述站的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送，所述第一站根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的三个正交方向中的一个或多个，用于向所述第二站发送一个场。
按照本发明的另一方面，提供了一种用于通过无线链路通信信息的方法，所述方法包括：在第一站提供一个感应转换器系统，用于在三个正交方向的一个中产生感应场；和在第二站提供单个感应转换器，所述第一和第二站彼此相对可以移动；在彼此相对在一个距离范围内的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送；并且根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的感应场的三个正交方向中的一个，用于向所述第二站发送一个场。
通过参照下述对本发明的详细说明、所附权利要求书和附图，将会进一步了解本发明的这些和其它目的、优点和特征，也将更清楚地理解本发明的实质。附图中：
图1是本发明的无线通信系统的示意图；
图2是图1的通信系统中作为母机单元的手持电话的示意图；
图3是图1的通信系统中作为便携设备使用的头戴型电话的示意图；
图4是该便携设备的转换器和电路的示意图；
图5是母机单元的转换器和电路的示意图；
图6是母机单元另一种转换器结构的示意图。
如图1所示，短距离磁通信系统1包括便携设备2和母机单元1，该系统连接到一长距离通信网14上。在母机单元1和便携设备2中分别含有短距离微型磁感应转发器11、12，它能同时发送和接收通信信号13。这些信号可以是声音、音频、数据或视频。通信网14可以是任何将这些信号经终端链路进行无线通信所需的网络，例如电话网、个人通信(PCS)网、专用移动无线(SMR)网、计算机系统或网络以及视频会议系统。母机单元1可以是通信网14中与其它设备进行无线通信所需的任何部分：例如，可以是手持电话、PCS手持机、SMR手持机、步话机、计算机或计算机外围设备、个人数字助理(PDA)或视频游戏控制机。便携设备2可以是与通信网络进行无线通信所需的任何部分：例如，可以是头戴型电话机或手持电话机、便携计算机或计算机外围设备、耳机、或视频输入设备。
如图2所示，母机单元1的一个实例是便携电话10，它具有多个数字按钮15和多个功能按钮16。可收回的天线17与蜂窝电话网或无绳电话母机通信。便携电话10的操作与通常的蜂窝或无绳电话手持机的操作相同。以通常的方式从电话网接收信号或将信号发送到电话网。便携电话10包括利用磁感应与头戴式话机20通信的转换器系统30，该头戴机20用作便携设备2以提供对便携电话10的输出和输入。便携电话10也可包括如常规手持电话中的受话器和收话器(未示出)，以便于使用者在头戴机20提供的常规操作方法和免提操作之间进行选择。
图3更完整地示出作为便携设备2的头戴机20。它包括容纳转换器40和处理电路的主体23。扬声器22与主体23中的电路相连。与扬声器22相邻的收话器21贴在使用者的耳朵上以固定该单元并使使用者听到扬声器的声音。传声器托杆24从主体23伸出几英寸，以把传声器25固定在托杆24的末端紧靠使用者嘴部的位置。或者，转换器40可以装在托杆24内。可充电电池51也装在头戴机20的主体23内以给头戴机提供电力。头戴机20的其它一些可选特征包括诸如用于人工启动不同模式的开关和按钮，例如可使用电容开关或按钮使头戴机20发送控制信号给便携电话10，以使传声器关闭。便携电话10可包括用于容置头戴机20的支座19。将头戴机放置在该支座内除使头戴机20和便携电话10合为一体以外，还具有许多功能。在该支座内可放置一开关来在头戴机20插入时终止无线通信或在头戴机20拔出时启动无线通信。该支座还可包括连接件以给头戴机20中的电池51充电。
虽然可以利用其它调制方法如频率或相位调制，但母机单元1和便携设备2利用对感应场的幅度调制进行通信。在使用过程中，在便携设备2和母机单元1之间的距离常常很短。由于距离很短，仅需感应场，很少或没有辐射出现。这节省了工作电源，可以减小充电电池51的尺寸和重量，从而可以减小便携电话2的尺寸和重量。此外，它还抑制了在小范围工作的系统之间的干扰。因此，可降低对便携设备2中干扰抑制电路的要求或不在便携设备2中设置干扰抑制电路。
图4示出便携设备2中的转换器系统。转换器40最好包括具有被线圈42围绕的铁氧体磁棒41的铁氧体磁棒转换器。转换器40的电线连接到具有发射元件28和接收元件29的转发器27。转发器27连接到便携设备26，它的特性取决于便携设备2的功能。在作为便携设备例子的头戴机20中，便携设备元件与扬声器22和传声器25相连。发送和接收是在不同频率下进行的，这容许全双工操作。或者，可使用单独的发送和接收转换器。
图5示出母机单元1的结构。转换器系统包括三个相互正交放置的铁氧体磁棒转换器，每个转换器包括铁氧体磁棒31、32、33和对应的线圈34、35、36。利用正交放置的转换器避免了在所产生的感应场中出现互感盲区。这三个转换器连接到多工元件60，以选择一个或更多的转换器，来发送和接收信号。可使用一电路来选择具有最强发送和接收信号的单个或多个转发器来降低设备的总电能消耗。发射元件61和接收元件62用于处理来自母机单元元件70和便携设备2的通信信号。如上所述，对于便携电话10来说，可排除常规的电话扬声器71和受话器72，以使便携电话10单独使用头戴机20来通过转换器系统和使用者通信。还可包括来选择扬声器71和传声器72与头戴机20之一的开关电路(未示出)。该开关电路可置于支座19中使得在拔出头戴机20时扬声器71和传声器72断开。
图6示出母机单元1的转换器系统的第二实施例。在图6的转换器30中，一个铁氧体磁棒转换器被置换为环路线圈转换器37。环路线圈转换器可置换任何或全部铁氧体磁棒转换器。环路线圈转换器37放置在剩余铁氧体磁棒转换器所处的平面上。这形成了一个厚度被减小的转换器系统。如图2所示，三个正交的转换器可放置在沿便携电话10侧面的角落中。或者，环路线圈可沿便携电话10的背面放置，以使把便携电话作得更薄。
此外，可采用发送系统给便携设备2的电池51充电。母机单元1包括与发送器61连接的电池充电信号产生器51。此产生器52产生经母机单元1的一个铁氧体磁棒转换器发往便携设备2的铁氧体磁棒转换器40的充电信号。由于在图2的电话实施例中，在支座19中的头戴机20和转换器40具有特定的取向，所以在便携电话10中只有一个转换器需要被激活来感应地发送充电信号。如图3所示，便携设备2中转发器40的电线连接到用于给电池51充电的电池充电器50上。
虽然在上面结合作为母机单元的外耳形头戴机20或蜂窝或无绳电话头戴机10，说明了本发明的通信系统，但它也易适合于其它类型的头戴机和一些应用。头戴机可以是跨头型、跨耳型或双耳型的。该系统可用作与常用桌面电话的无线连接。这样的系统可以上述方式与无绳手持机一起操作。由于在小范围内可使用几个这样的单元，所以相互间的干扰会成为较严重的问题。因此，可将该系统设计成在不同的频率下工作，并选择不易有明显干扰的发送和接收频率。同样地，用于语音数据输入、声音发送和电话功能的该系统也可与台式计算机或便携计算机一起工作。该系统还可以与其它类型的通信系统一起使用，如个人数字助理(PDA)、无绳电话、PCS和SMR蜂窝电话、双路(视频游戏)、双路半双工器(步话机，CB)或双路全双工器(电话)等。当母机单元是固定的，且使用者可能在相对于母机单元的某一位置上时，在母机单元内可使用很少的转换器而不会有互感盲区。也可使用其它的转换器系统来产生感应场。具体说，采用多个单独的转换器而不是采用一个转换器来在不同频率下发送和接收。
由于上面已经对本发明的一个实施例进行了说明，所以本领域技术人员容易对之进行各种替换、修改和改进。然而，这种替换、修改和改进应在本发明的精神和范围之内。因此，前述说明是示范性的而不是限制性的。本发明仅受限于所附权利要求和其等效物中的规定。
Claims (68)
1、一种通信系统，包括：
母机单元，包括：
母机单元输入装置，用于输入第一信号；
母机单元输出装置，用于输出第二信号；
母机单元转换器系统，它具有至少三个正交的转换器，与所述输入装置和正交转换器连接的选择装置，用于根据所述第一信号有选择性地激活至少一个所述正交转换器，以产生第一感应场，以及与所述输出装置和正交转换器连接的接收装置，用于接收至少一个所述正交转换器的第二感应场并将第二感应场转换为所述第二信号；
便携单元，它可与所述母机单元分开放置且处在所述第一感应场中，包括：
便携单元输入装置，用于输入第三信号；
便携单元输出装置，用于输出第四信号；
便携单元转换器系统，它与所述便携单元输入装置相连，用于根据所述第三信号产生所述第二感应场，以使所述母机单元处在第二感应场内，它又与所述便携单元输出装置连接，用于将所述第一感应场转换为所述第四信号；
其中，所述母机单元转换器系统和便携单元转换器系统的工作可以同时产生和转换所述第一感应场和所述第二感应场；以及
其中，所述母机单元转换器系统的选择装置的工作与所述便携单元转换器系统相联系，以选择至少一个正交转换器，使所述第一感应场和第二感应场的接收与所述便携单元和母机单元的相对位置和取向无关。
2、如权利要求1所述的通信系统，其中，所述母机单元与一通信网络连接，用于从所述通信网络输入所述第一信号和将所述第二信号输出给所述通信网络。
3、如权利要求1所述的通信系统，其中，所述便携单元是头戴受话器，所述便携单元输入装置是传声器，并且所述便携单元输出装置是扬声器。
4、如权利要求1所述的通信系统，其中，所述第一感应场包括第一载波频率，所述第二感应场包括频率与所述第一载波频率不同的第二载波频率。
5、如权利要求1所述的通信系统，其中，所述便携单元转换器系统包括用于产生所述第二感应场的发射器转换器和用于将所述第一感应场转换为所述第四信号的接收器转换器。
6、一种与通信网络通信的方法，该方法包括以下步骤：
从一通信网络输入第一信号；
有选择性地将第一信号提供给具有至少三个正交转换器的转换器系统中的至少一个转换器，以根据所述第一信号产生第一感应场；
将所述第一感应场转换成第二信号；
接收第三信号；
根据所述第三信号产生第二感应场；
有选择性地接收在所述转换器系统的正交转换器中至少一个转换器的第二感应场，以将所述第二感应场转换成第四信号；
向所述通信网络输出所述第四信号。
7、如权利要求6所述的方法，其中所述第二信号是声音。
8、如权利要求6所述的方法，其中所述第三信号是声音。
9、如权利要求6所述的方法，其中所述通信网络是电话系统。
10、如权利要求6所述的方法，其中所述通信网络是蜂窝电话系统。
11、一种通信系统，包括：
母机单元，包括：
母机单元输入装置，用于输入第一信号；
母机单元输出装置，用于输出第二信号；
母机单元转换器系统，它与所述输入装置相连，用于根据所述第一信号产生第一感应场，并且和所述输出装置相连，用于将第二感应场转换为所述第二信号；
便携单元，它与所述母机单元分开放置且处在所述第一感应场中，包括：
便携单元输入装置，用于输入第三信号；
便携单元输出装置，用于输出第四信号；
便携单元转换器系统，它具有至少三个正交的转换器，与所述便携单元输入装置和正交转换器连接的选择装置，用于有选择性地激活至少一个所述正交转换器以根据所述第三信号产生第二感应场，以及与所述便携单元输出装置和正交转换器连接的接收装置，用于接收至少一个所述正交转换器的第一感应场并将第一感应场转换为所述第四信号；
其中，所述母机单元转换器系统和便携单元转换器系统的工作可以同时产生和转换所述第一感应场和所述第二感应场；以及
其中，所述便携单元转换器系统的选择装置的工作与所述母机单元转换器系统相联系，以选择至少一个正交转换器，使所述第一感应场和第二感应场的接收与所述便携单元和母机单元的相对位置和取向无关。
12、一种通信系统，包括：
与一通信网络通信的母机单元，包括：
母机单元输入装置，用于从该通信网络输入第一信号；
母机单元转换器系统，它具有至少三个正交的转换器，用于根据所述第一信号产生第一感应场；以及
便携单元，它与所述母机分开设置并处在所述第一感应场中，包括：
便携单元转换器系统，用于与所述便携单元和所述母机单元之间的相对位置无关地将所述第一感应场转换为所述第四信号；
便携单元输出装置，它与所述便携单元转换器系统连接，用于输出所述第四信号；
其中，所述三个正交转换器消除了互感应盲区。
13、如权利要求12所述的通信系统，其中所述通信网络是电话系统。
14、如权利要求12所述的通信系统，其中所述通信网络是蜂窝电话系统。
15、如权利要求12所述的通信系统，其中所述母机转换器系统包括至少一个铁氧体磁棒转换器。
16、如权利要求12所述的通信系统，其中所述母机转换器系统包括至少一个环路转换器。
17、如权利要求12所述的通信系统，其中所述便携单元包括一个具有至少一个铁氧体磁棒转换器的头戴受话器转换器系统。
18、如权利要求12所述的通信系统，其中所述母机单元还包括一个用于将所述便携单元附着在所述母机单元上的支座。
19、如权利要求18所述的通信系统，其中所述支座包括在所述便携单元附着在所述母机单元上时将所述母机单元与所述通信网络断开的装置。
20、如权利要求12所述的通信系统，还包括：充电装置，用于在所述便携单元附着在所述母机单元上时给所述便携单元中的电池充电。
21、一种支持双向通信的感应通信系统，包括：
母机单元转换器系统，包括：(1)至少三个正交的转换器，(2)一个与所述正交的转换器耦合的选择器，用于有选择性地激活至少一个所述正交转换器，以产生第一感应场，和(3)与所述正交转换器连接的接收器电路，用于接收和解码至少一个所述正交转换器上的第二感应场；和
便携单元，它与所述母机单元转换器系统分开放置且处在所述第一感应场中，该便携单元包括：包括用于产生第二感应场的单个感应转换器的便携单元转换器系统，
所述母机单元转换器系统，根据从便携单元的所述单个感应转换器接收的场，选择所述母机单元转换器系统的至少三个正交转换器的一个或多个，用于向所述便携单元发射一个场。
22、如权利要求21所述的通信系统，其中，所述母机单元与一个通信网络连接。
23、如权利要求21所述的通信系统，其中，所述便携单元是一个包括传声器和扬声器的头戴受话器。
24、如权利要求21所述的通信系统，其中，所述第一感应场和第二感应场是基于不同的载波频率的。
25、如权利要求21所述的通信系统，其中，所述选择器根据接收到信号的强度选择至少一个正交转换器。
26、如权利要求21所述的通信系统，其中，所述便携单元转换器系统包括用于产生所述第二感应场的发射器转换器和用于转换所述第一感应场的接收器转换器。
27、一种用于感应通信的方法，所述方法包括：
在第一设备接收第一组信号；
根据从第二设备的单个感应转换器接收的场而有选择性地将所述第一组信号提供给具有至少三个正交转换器的转换器系统中的至少一个转换器，以根据所述第一组信号产生第一感应场；
在所述第二设备的所述单个感应转换器接收所述第一感应场；在所述第二设备，根据第二组信号产生第二感应场；并且
在所述第一设备的所述转换器系统的至少一个所述正交转换器上有选择性地接收所述第二感应场。
28、如权利要求27所述的方法，其中使所述第二组信号是基于声音的。
29、如权利要求27所述的方法，其中使所述第一组信号是基于声音的。
30、如权利要求27所述的方法，其中使所述通信网络包括电话系统。
31、如权利要求27所述的方法，其中使所述通信网络包括蜂窝电话系统。
32、一种适合于与网络通信的感应通信系统，包括：
母机单元，支持与所述网络的双向通信，所述母机单元包括母机单元转换器系统，所述母机单元转换器系统包括一组三个正交转换器；
便携单元，包括单个转换器，所述便携单元支持通过由所述母机单元转换器系统和所述单个转换器分别产生的第一和第二感应场来与母机单元进行双向通信，
所述一组三个正交转换器之一产生第一感应场，所述母机单元根据从所述便携单元的所述单个感应转换器接收的场来选择所述母机单元的三个正交转换器的一个或多个，用于向所述便携单元发射一个场。
33、一种用于通过无线链路通信信息的系统，所述系统包括：
第一站，包括三个感应转换器，每个的方向与其他的正交；和
第二站，包括单个感应转换器，所述第一和第二站彼此相对可以移动，在彼此相对在一个距离范围内的各个所述站的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送，所述第一站根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的三个感应转换器中的一个或多个，用于向所述第二站发送一个场。
34、按照权利要求33的系统，其中所述第一站通过产生磁编码的信号的一个场而向所述第二站发送信息，所述磁编码的信号被在第二站的转换器检测到。
35、按照权利要求33的系统，其中，根据在所述第一站的多个感应转换器中的哪个接收最强的信号，所述第一站的一个感应转换器被选择用于发送磁编码的信号。
36、按照权利要求34的系统，其中在所述第一站和所述第二站之间的无线链路支持双向全双工通信。
37、按照权利要求33的系统，其中所述第一站通过所述三个感应转换器之一来发送信息。
38、按照权利要求33的系统，其中所述第二站被设置在一个头戴受话器上，并且所述第一站是一个蜂窝设备。
39、按照权利要求33的系统，其中所述第一站从另一个设备接收信息，并且通过变化的磁场将其转送到所述第二站。
40、按照权利要求33的系统，其中所述第一站是与网络系统通信的便携设备。
41、按照权利要求33的系统，还包括：
多工器电路，用于选择在所述第一站的所述三个感应转换器中的哪个产生所述变化的磁场。
42、按照权利要求33的系统，其中信息的发送是基于调幅的。
43、按照权利要求33的系统，其中信息的发送是基于调频的。
44、按照权利要求33的系统，其中从所述第一站向所述第二站信息的发送是基于第一频率的，从所述第二站向所述第一站信息的发送是基于第二频率的。
45、按照权利要求33的系统，其中干扰是通过选择用于通过无线链路发送信息的频率来得到避免的。
46、按照权利要求33的系统，其中对在所述第一和第二站之间的全双工操作是通过使用分离的发送和接收转换器来得到支持的。
47、一种用于通过无线链路通信信息的方法，所述方法包括：
在第一站将三个感应转换器彼此正交地定向：
在第二站提供单个感应转换器，所述第一和第二站彼此可以相对移动；
在彼此相对在一个距离范围内的任何角定向，将信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中来发送；并且
根据从所述第二站的所述单个感应转换器接收的一个场来选择所述第一站的所述三个感应转换器中的一个或多个，用于向所述第二站发送一个场。
48、按照权利要求47的方法，还包括：
根据在所述第一站的所述三个感应转换器中的哪个接收最强的信号，选择一个感应转换器来在所述第一站产生一个变化的磁场。
在所述第一站，通过在各个所述站之间的变化的磁场将所述信息从所述设备转送到所述第二站。
51、按照权利要求47的方法，还包括：
选择在所述第一站的所述多个感应转换器中的哪个将用于产生所述变化的磁场，并且将来自所述第一站的对应信号多路复用到所选择的感应转换器。
52、按照权利要求47的方法，还包括：
基于调幅来发送信息。
53、按照权利要求47的方法，还包括：
基于调频来发送信息。
54、按照权利要求47的方法，其中发送信号包括：基于第一频率从所述第一站向所述第二站发送信息，基于第二频率从所述第二站向所述第一站发送信息。
55、按照权利要求47的方法，还包括：
将所述第二站设置在一个头戴受话器上。
56、按照权利要求47的方法，还包括：
选择用于通过无线链路发送信息的载波频率来避免干扰。
57、按照权利要求47的方法，其中使用分离的发送和接收转换器来支持在所述第一和第二站之间的全双工操作。
58、一种用于通过无线链路通信信息的系统，所述系统包括：
第一站，包括一个感应转换器系统，用于在三个正交方向的每个中产生感应场；和
第二站，包括单个感应转换器，所述第一和第二站彼此相对可以移动，在彼此相对在一个距离范围内的各个所述站的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送，所述第一站根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的三个正交方向中的一个或多个，用于向所述第二站发送一个场。
59、按照权利要求58的系统，其中，根据在所述第二站的所述感应转换器的方向，选择从所述第一站发送的感应场的方向以发送磁编码的信号。
60、按照权利要求58的系统，其中所述第二站被设置在一个头戴受话器上，并且所述第一站是一个蜂窝设备。
61、按照权利要求58的系统，其中所述第一站从另一个设备接收信息，并且通过变化的磁场将其转送到所述第二站。
62、按照权利要求58的系统，其中从所述第一站向所述第二站的信息发送是基于第一频率的，从所述第二站向所述第一站的信息发送是基于第二频率。
63、按照权利要求58的系统，其中所述第二站被设置在一个头戴受话器上。
64、按照权利要求58的系统，其中干扰是通过选择用于通过无线链路发送信息的频率来得到避免的。
65、一种用于通过无线链路通信信息的方法，所述方法包括：
在第一站提供一个感应转换器系统，用于在三个正交方向的一个中产生感应场；和
在第二站提供单个感应转换器，所述第一和第二站彼此相对可以移动；
在彼此相对在一个距离范围内的任何角定向，信号作为变化的磁场通过所述转换器的感应耦合在各个所述站之间的双向通信中被发送；并且
根据从所述第二站的所述单个感应转换器接收的场来选择所述第一站的感应场的三个正交方向中的一个，用于向所述第二站发送一个场。
66、按照权利要求65的方法，还包括：
选择所述第第一站的所述感应转换器系统发送的感应场的方向，以便向所述站通信信息。
67、按照权利要求65的方法，其中所述第二站被设置在一个头戴受话器上，并且所述第一站是一个蜂窝设备。
68、按照权利要求65的方法，还包括：
在所述第一站从一个设备接收信息，并且
在所述第一站，通过在各个所述站之间的变化的磁场将所述信息从所述设备转送到所述第二站。
69、按照权利要求65的方法，其中发送所述信号包括：基于第一频率从所述第一站向所述第二站发送信息，基于第二频率从所述第二站向所述第一站发送信息。
70、按照权利要求65的方法，还包括：
选择用于通过无线链路发送信息的一个载波频率来避免干扰。
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-
1996
- 1996-05-17 DE DE69630894T patent/DE69630894T2/de not_active Expired - Lifetime
- 1996-05-17 AT AT96920268T patent/ATE255300T1/de not_active IP Right Cessation
- 1996-05-17 CN CNB961953578A patent/CN1178406C/zh not_active Expired - Fee Related
- 1996-05-17 CA CA002221364A patent/CA2221364A1/en not_active Abandoned
- 1996-05-17 WO PCT/US1996/007144 patent/WO1996037052A1/en active IP Right Grant
- 1996-05-17 EP EP96920268A patent/EP0872032B1/en not_active Expired - Lifetime
- 1996-05-17 JP JP8535083A patent/JPH11505395A/ja not_active Ceased
- 1996-05-17 KR KR1019970708242A patent/KR19990014897A/ko not_active Application Discontinuation
-
1997
- 1997-03-26 US US08/824,260 patent/US5771438A/en not_active Expired - Lifetime
-
1998
- 1998-04-01 US US09/053,107 patent/US6459882B1/en not_active Expired - Lifetime
-
2002
- 2002-08-19 US US10/224,621 patent/US20030050011A1/en not_active Abandoned
-
2005
- 2005-03-18 US US11/083,894 patent/US7254366B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5771438A (en) | 1998-06-23 |
| US7254366B2 (en) | 2007-08-07 |
| ATE255300T1 (de) | 2003-12-15 |
| US6459882B1 (en) | 2002-10-01 |
| CA2221364A1 (en) | 1996-11-21 |
| US20030050011A1 (en) | 2003-03-13 |
| US20050164636A1 (en) | 2005-07-28 |
| MX9708893A (es) | 1998-03-31 |
| WO1996037052A1 (en) | 1996-11-21 |
| DE69630894T2 (de) | 2004-09-02 |
| KR19990014897A (ko) | 1999-02-25 |
| JPH11505395A (ja) | 1999-05-18 |
| EP0872032B1 (en) | 2003-11-26 |
| DE69630894D1 (de) | 2004-01-08 |
| CN1190506A (zh) | 1998-08-12 |
| EP0872032A1 (en) | 1998-10-21 |
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