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    • 4. 发明授权
    • Multiple phase state near-field electromagnetic system and method for communication and location
    • 多相状态近场电磁系统及通讯方法
    • US08253626B2
    • 2012-08-28
    • US12391209
    • 2009-02-23
    • Hans Gregory SchantzAndrew CompstonRobert DePierreJames Matthew Barron
    • Hans Gregory SchantzAndrew CompstonRobert DePierreJames Matthew Barron
    • G01S3/02G01S5/04H04B5/00
    • H04B5/02
    • A multiple phase state near-field electromagnetic location and communication system includes a multiple phase state near-field transmitter, and a near-field locator receiver. The near-field transmitter is capable of operation in at least two states and each of these at least two states generates a state characteristic difference detected at the near-field locator receiver. The state characteristic difference may be employed for location determination, communication or both. The present invention is particularly well-suited for use in conjunction with a near-field electromagnetic ranging system. In further embodiments, a multiple phase state near-field electromagnetic location and communication process includes the steps of determining a transmission state for a near-field quadrature transmitter, transmitting a near-field transmission corresponding to said transmission state, receiving a near-field transmission corresponding to said transmission state, and determining a difference between at least two properties of said near-field transmission where the difference is characteristic of and corresponding to the transmission state.
    • 多相状态近场电磁定位和通信系统包括多相状态近场发射机和近场定位接收机。 近场发射机能够在至少两个状态下操作,并且这些至少两个状态中的每一个产生在近场定位器接收器处检测到的状态特征差。 状态特征差异可以用于位置确定,通信或两者。 本发明特别适用于与近场电磁测距系统结合使用。 在另外的实施例中,多相状态近场电磁位置和通信过程包括以下步骤:确定近场正交发射机的传输状态,发射对应于所述传输状态的近场传输,接收近场传输 对应于所述传输状态,并且确定所述近场传输的至少两个属性之间的差异,其中所述差是所述传输状态的特征并且对应于所述传输状态。
    • 6. 发明申请
    • Multiple Phase State Near-Field Electromagnetic System And Method For Communication And Location
    • 多相状态近场电磁系统及其通信与定位方法
    • US20090280742A1
    • 2009-11-12
    • US12391209
    • 2009-02-23
    • Hans Gregory SchantzAndrew CompstonRobert DePierreJames Matthew Barron
    • Hans Gregory SchantzAndrew CompstonRobert DePierreJames Matthew Barron
    • H04B5/00
    • H04B5/02
    • A multiple phase state near-field electromagnetic location and communication system includes a multiple phase state near-field transmitter, and a near-field locator receiver. The near-field transmitter is capable of operation in at least two states and each of these at least two states generates a state characteristic difference detected at the near-field locator receiver. The state characteristic difference may be employed for location determination, communication or both. The present invention is particularly well-suited for use in conjunction with a near-field electromagnetic ranging system. In further embodiments, a multiple phase state near-field electromagnetic location and communication process includes the steps of determining a transmission state for a near-field quadrature transmitter, transmitting a near-field transmission corresponding to said transmission state, receiving a near-field transmission corresponding to said transmission state, and determining a difference between at least two properties of said near-field transmission where the difference is characteristic of and corresponding to the transmission state.
    • 多相状态近场电磁定位和通信系统包括多相状态近场发射机和近场定位接收机。 近场发射机能够在至少两个状态下操作,并且这些至少两个状态中的每一个产生在近场定位器接收器处检测到的状态特征差。 状态特征差异可以用于位置确定,通信或两者。 本发明特别适用于与近场电磁测距系统结合使用。 在另外的实施例中,多相状态近场电磁位置和通信过程包括以下步骤:确定近场正交发射机的传输状态,发射对应于所述传输状态的近场传输,接收近场传输 对应于所述传输状态,并且确定所述近场传输的至少两个属性之间的差异,其中所述差是所述传输状态的特征并且对应于所述传输状态。