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    • 14. 发明授权
    • Transmit antenna multiplexing for vehicular passive entry systems
    • 用于车辆被动进入系统的发射天线复用
    • US07433647B2
    • 2008-10-07
    • US11127560
    • 2005-05-12
    • Thomas J. LeMenseRiad GhabraQingfeng Tang
    • Thomas J. LeMenseRiad GhabraQingfeng Tang
    • H04B5/00
    • H01Q1/3241H01Q1/3266H01Q1/3291H01Q21/28
    • An antenna coupler for a wireless communication system in a vehicle couples a transmit signal source to a plurality of antennas arranged within the vehicle. A first saturable reactor has a first load winding and a first control winding wound on a first saturable core, the first load winding coupling the signal source to a first antenna. A first current source is coupled to the first control winding for providing a selected current to the first control winding. A second saturable reactor has a second load winding and a second control winding wound on a second saturable core, the second load winding coupling the signal source to a second antenna. A second current source is coupled to the second control winding for providing a selected current to the second control winding. A controller is coupled to the first and second current sources for commanding the first and second selected currents to selectably attenuate or non-attenuate a transmit signal from the transmit signal source to each respective antenna.
    • 用于车辆中的无线通信系统的天线耦合器将发送信号源耦合到布置在车辆内的多个天线。 第一饱和电抗器具有卷绕在第一可饱和磁芯上的第一负载绕组和第一控制绕组,第一负载绕组将信号源耦合到第一天线。 第一电流源耦合到第一控制绕组,用于向第一控制绕组提供所选择的电流。 第二饱和电抗器具有缠绕在第二饱和磁芯上的第二负载绕组和第二控制绕组,所述第二负载线圈将信号源耦合到第二天线。 第二电流源耦合到第二控制绕组,用于向第二控制绕组提供所选择的电流。 控制器耦合到第一和第二电流源,用于命令第一和第二选定电流可选地衰减或非衰减从发射信号源到每个相应天线的发射信号。
    • 16. 发明授权
    • Vehicle independent passive entry system
    • 车辆独立被动进入系统
    • US07046119B2
    • 2006-05-16
    • US10848813
    • 2004-05-19
    • Riad GhabraQingfeng Tang
    • Riad GhabraQingfeng Tang
    • H04Q9/00G08B13/14H04B1/04H01Q1/32
    • B60R25/245G07C9/00309G07C2009/00793G07C2209/63
    • A passive entry system for a vehicle of a particular model communicates with a portable fob that may be located in either an interior and an exterior of the vehicle. An internal antenna is disposed in the interior and an external antenna is disposed in the exterior. At least one amplifier drives at least one of the antennas and has a configurable gain. A controller is coupled to the amplifier for transferring at least one of internal and external software-configured gain values to the amplifier for controlling a transmission power of interrogation signals broadcast by the internal and external antennas, respectively. The software-configured gain values are obtained in an advance calibration procedure with respect to the particular model of the vehicle.
    • 用于特定模型的车辆的被动进入系统与​​可位于车辆的内部和外部的便携式货架通信。 内部天线设置在内部,外部天线设置在外部。 至少一个放大器驱动至少一个天线并具有可配置的增益。 控制器耦合到放大器,用于将内部和外部软件配置的增益值中的至少一个传送到放大器,用于分别控制由内部和外部天线广播的询问信号的发送功率。 软件配置的增益值是以相对于车辆的特定模型的提前校准程序获得的。
    • 17. 发明申请
    • Apparatus for inductively recharging batteries
    • 用于对电池进行电感充电的装置
    • US20060061325A1
    • 2006-03-23
    • US10946137
    • 2004-09-21
    • Qingfeng TangRiad Ghabra
    • Qingfeng TangRiad Ghabra
    • H02J7/00
    • H01F38/14H02J7/025H02J50/10H02J50/40
    • A rechargeable apparatus is provided for being recharged by an power source. The rechargeable apparatus include a rechargeable battery and a secondary inductive coil excited by the power source. The secondary inductive coil includes a first inductor having a first axis, a second inductor having a second axis, and a third inductor having a third axis. The first, second, and third axes are mutually orthogonal. The first, second, and third inductors produce a power output in response to said power source. The secondary inductive coil is electrically connected to the rechargeable battery whereby charging energy is coupled from the power source to the rechargeable battery regardless of an orientation of the secondary inductive coil to the power source.
    • 提供一种用于由电源再充电的可充电装置。 可充电装置包括可再充电电池和由电源激励的次级感应线圈。 次级感应线圈包括具有第一轴的第一电感器,具有第二轴的第二电感器和具有第三轴线的第三电感器。 第一轴,第二轴和第三轴相互正交。 第一,第二和第三电感器响应于所述电源产生功率输出。 次级感应线圈电连接到可再充电电池,由此将充电能量从电源耦合到可再充电电池,而不管次级感应线圈到电源的方向如何。