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    • 3. 发明授权
    • System and method for two-way remote activation with adaptive protocol
    • 用自适应协议进行双向远程激活的系统和方法
    • US09047716B1
    • 2015-06-02
    • US11536209
    • 2006-09-28
    • Riad GhabraRonald O. KingJohn S. NantzTom Q. TangYi Luo
    • Riad GhabraRonald O. KingJohn S. NantzTom Q. TangYi Luo
    • G05B23/00G07C9/00
    • G07C9/00309B60R25/24G07C2009/00793G07C2209/10
    • In one embodiment of a system and method for remote activation of a device includes, a transceiver is provided for transmitting a command signal according to a first transmission protocol having a first data rate, receiving an acknowledgment signal indicating that the command signal transmitted according to the first transmission protocol has been received, and transmitting the command signal according a second transmission protocol, the second transmission protocol having a second data rate less than the first data rate and including partition of the command signal. A controller is provided for selecting the first transmission protocol for use in transmitting the command signal in response to a user input, and selecting the second transmission protocol for use in transmitting the command signal when the transceiver fails to receive the acknowledgment signal.
    • 在用于远程激活设备的系统和方法的一个实施例中,包括:收发器,用于根据具有第一数据速率的第一传输协议发送命令信号;接收指示根据所述命令信号发送的命令信号的确认信号 已经接收到第一传输协议,并且根据第二传输协议发送命令信号,第二传输协议具有小于第一数据速率的第二数据速率并且包括命令信号的分区。 提供控制器,用于响应于用户输入选择用于发送命令信号的第一传输协议,并且当收发器未能接收到确认信号时,选择用于发送命令信号的第二传输协议。
    • 6. 发明授权
    • Remote keyless entry system with two-way long range communication
    • 遥控无钥匙进入系统,双向远程通讯
    • US08026793B2
    • 2011-09-27
    • US10960657
    • 2004-10-07
    • Yi LuoRiad GhabraQingfeng Tang
    • Yi LuoRiad GhabraQingfeng Tang
    • H04Q1/00
    • B60R25/24G07C9/00309G07C2009/00793G07C2209/62H04B1/04
    • Vehicle information (e.g., status information, calibratable parameters, or diagnostic data) is transmitted from a base station mounted in a vehicle to a portable RKE fob via a radio-frequency signal within a specified average field strength limit. A multi-byte vehicle message is formed and then coded into a multi-bit coded message. The multi-bit coded message is framed into a plurality of packets. The radio-frequency signal is wirelessly transmitted from the base station with a plurality of spaced packet windows having a predetermined duty cycle, each packet window including a respective one of the plurality of packets. The radio-frequency signal within each of the packet windows has a predetermined field strength greater than the average field strength limit and a substantially zero field strength between the packet windows. The predetermined duty cycle results in an actual average field strength for transmitting all of the packets not exceeding the average field strength limit.
    • 车辆信息(例如,状态信息,可校准参数或诊断数据)经由指定平均场强限度内的射频信号从安装在车辆中的基站发送到便携式RKE FOB。 形成多字节车辆消息,然后编码成多位编码消息。 多比特编码消息被构成多个分组。 射频信号是从具有预定占空比的多个间隔分组窗口从基站无线发送的,每个分组窗口包括多个分组中的相应一个分组。 每个分组窗口内的射频信号具有大于平均场强限度的预定场强和分组窗口之间基本为零的场强。 预定的占空比导致实际的平均场强,用于传送不超过平均场强极限的所有分组。
    • 8. 发明申请
    • Self-Aligning Vehicular Transmitter System
    • 自对准车载发射机系统
    • US20090309753A1
    • 2009-12-17
    • US12545568
    • 2009-08-21
    • Riad GhabraYi LuoQingfeng Tang
    • Riad GhabraYi LuoQingfeng Tang
    • G08C19/00
    • H04B17/318
    • A method is provided for self-aligning a transmitting frequency between a portable transceiving device and a base station transceiving device. A test signal is transmitted from one of a portable or base station transceiving devices to the other of the portable or base station transceiving devices. The test signal has a frequency that varies during the transmission. The varying of the frequency of the test signal generates a plurality of discrete signals. The other of the portable or base station transceiving devices measures a RSSI value of each discrete signal. The other of the portable or base station transceiving devices determines a discrete signal having a maximum RSSI value. At least a portion of a subsequent message from the other of the portable transceiving device or the base station transceiving device is transmitted at an optimum frequency used for the test signal identified by the test result signal.
    • 提供了一种用于在便携式收发设备和基站收发设备之间自发对准发送频率的方法。 测试信号从便携式或基站收发设备之一发送到便携式或基站收发设备中的另一个。 测试信号具有在传输期间变化的频率。 测试信号的频率变化产生多个离散信号。 便携式或基站收发设备中的另一个测量每个离散信号的RSSI值。 便携式或基站收发设备中的另一个确定具有最大RSSI值的离散信号。 来自便携式收发设备或基站收发设备中的另一个的后续消息的至少一部分以用于由测试结果信号标识的测试信号的最佳频率被发送。
    • 9. 发明申请
    • Remote keyless entry system with two-way long range communication
    • 遥控无钥匙进入系统,双向远程通讯
    • US20060077037A1
    • 2006-04-13
    • US10960657
    • 2004-10-07
    • Yi LuoRiad GhabraQingfeng Tang
    • Yi LuoRiad GhabraQingfeng Tang
    • H04B1/00G05B19/00
    • B60R25/24G07C9/00309G07C2009/00793G07C2209/62H04B1/04
    • Vehicle information (e.g., status information, calibratable parameters, or diagnostic data) is transmitted from a base station mounted in a vehicle to a portable RKE fob via a radio-frequency signal within a specified average field strength limit. A multi-byte vehicle message is formed and then coded into a multi-bit coded message. The multi-bit coded message is framed into a plurality of packets. The radio-frequency signal is wirelessly transmitted from the base station with a plurality of spaced packet windows having a predetermined duty cycle, each packet window including a respective one of the plurality of packets. The radio-frequency signal within each of the packet windows has a predetermined field strength greater than the average field strength limit and a substantially zero field strength between the packet windows. The predetermined duty cycle results in an actual average field strength for transmitting all of the packets not exceeding the average field strength limit.
    • 车辆信息(例如,状态信息,可校准参数或诊断数据)经由指定平均场强限度内的射频信号从安装在车辆中的基站发送到便携式RKE FOB。 形成多字节车辆消息,然后编码成多位编码消息。 多比特编码消息被构成多个分组。 射频信号是从具有预定占空比的多个间隔分组窗口从基站无线发送的,每个分组窗口包括多个分组中的相应一个分组。 每个分组窗口内的射频信号具有大于平均场强限度的预定场强和分组窗口之间基本为零的场强。 预定的占空比导致实际的平均场强,用于传送不超过平均场强极限的所有分组。
    • 10. 发明申请
    • Integrated passive entry and remote keyless entry system
    • 集成被动进入和远程无钥匙进入系统
    • US20060114100A1
    • 2006-06-01
    • US10999503
    • 2004-11-30
    • Riad GhabraQingfeng TangYi Luo
    • Riad GhabraQingfeng TangYi Luo
    • H04B1/00G05B19/00
    • G07C9/00309E05B81/78G07C2009/00357G07C2009/00365G07C2009/00388G07C2009/00555G07C2009/00793G07C2209/62
    • A vehicle communication system mounted in the vehicle and a portable fob for carrying by a user are provided. The vehicle communication system comprises a trigger generator, an LF transmitter for broadcasting an LF wakeup signal, and an RF transmitter for broadcasting a UHF status message including vehicle status data. The vehicle communication system broadcasts a challenge signal after the LF wakeup signal. The portable fob comprises an LF receiver responsive to the LF wakeup signal, a fob controller for determining response data, and an RF transmitter for broadcasting a UHF response signal incorporating the response data. The portable fob further comprises an RF receiver for receiving the vehicle status data, a visual display for visually reproducing the vehicle status data, and a manual input key for activating the fob controller to generate a remote control message. The RF transmitter in the portable fob broadcasts a UHF control signal incorporating the remote control message. The vehicle communication system further comprises an RF receiver responsive to the UHF control signal and a base controller for initiating a corresponding remote control function in response to the UHF control signal.
    • 提供了安装在车辆中的车辆通信系统和用于携带用户的便携式货架。 车辆通信系统包括触发发生器,用于广播LF唤醒信号的LF发射器,以及用于广播包括车辆状态数据的UHF状态消息的RF发射器。 车辆通信系统在LF唤醒信号之后广播挑战信号。 便携式支架包括响应于LF唤醒信号的LF接收器,用于确定响应数据的抽头控制器以及用于广播包含响应数据的UHF响应信号的RF发射器。 便携式货架还包括用于接收车辆状态数据的RF接收器,用于视觉地再现车辆状态数据的视觉显示器,以及用于激活控制器控制器以产生遥控消息的手动输入键。 便携式FOB中的RF发射器广播包含遥控消息的UHF控制信号。 车辆通信系统还包括响应于UHF控制信号的RF接收器和用于响应于UHF控制信号启动相应遥控功能的基地控制器。