Self-Aligning Vehicular Transmitter System
    61.
    发明申请
    Self-Aligning Vehicular Transmitter System 有权
    自对准车载发射机系统

    公开(公告)号:US20090309753A1

    公开(公告)日:2009-12-17

    申请号:US12545568

    申请日:2009-08-21

    IPC分类号: G08C19/00

    CPC分类号: H04B17/318

    摘要: 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.

    摘要翻译: 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。

    Compass Based Car Locator
    62.
    发明申请
    Compass Based Car Locator 失效
    指南针汽车定位器

    公开(公告)号:US20090224946A1

    公开(公告)日:2009-09-10

    申请号:US12044863

    申请日:2008-03-07

    IPC分类号: G08G1/123 G05B19/00

    CPC分类号: B60R25/24

    摘要: A remote keyless entry system is provided comprising a handheld remote keyless entry transmitter in selectable wireless communication with a car based entry system. The handheld remote keyless entry transmitter comprises an integrated electronic compass element and logic adapted to store a first compass direction when activated and directed towards a destination. The logic further is adapted to display a return compass direction and a return distance from the car based entry system when activated leaving the destination.

    摘要翻译: 提供远程无钥匙进入系统,其包括与基于汽车的入口系统可选择无线通信的手持遥控无钥匙进入发射器。 手持远程无钥匙进入发射机包括集成的电子罗盘元件和逻辑,适于在被激活并被引向目的地时存储第一罗盘方向。 该逻辑进一步适于在激活离开目的地时显示从基于汽车的入口系统返回罗盘方向和返回距离。

    INVERSE-VECTOR METHOD FOR SMOOTHING DIPS AND AZIMUTHS
    64.
    发明申请
    INVERSE-VECTOR METHOD FOR SMOOTHING DIPS AND AZIMUTHS 有权
    用于吸收DIPS和AZIMUTHS的反向矢量方法

    公开(公告)号:US20080255761A1

    公开(公告)日:2008-10-16

    申请号:US11787246

    申请日:2007-04-13

    IPC分类号: G06F17/50 G06F19/00

    CPC分类号: G01V1/28

    摘要: A system and method using inverse-vector processing to iterate through a loop of three steps: set a guide direction, invert opposite vectors, and average vectors to update the guide direction, for smoothing seismic amplitude data. The inverse-vector method can overcome instabilities where the traditional structure-tensor approach fails. The inverse-vector smoothing is simple to implement and more computational efficient. The resultant dips and azimuths are spatially consistent and thus more interpretable and suitable for calculation of curvature and other dip based attributes.

    摘要翻译: 一种使用逆向量处理来迭代三个步骤的循环的系统和方法:设置引导方向,反向向量反转和平均向量以更新引导方向,以平滑地震幅度数据。 逆向量法可以克服传统结构张量方法失效的不稳定性。 逆矢量平滑实现简单,计算效率更高。 所得到的倾斜和方位角在空间上是一致的,因此更可解释并且适合于计算曲率和其他基于倾斜的属性。

    Remote keyless entry system with two-way long range communication
    67.
    发明申请
    Remote keyless entry system with two-way long range communication 有权
    遥控无钥匙进入系统,双向远程通讯

    公开(公告)号:US20060077037A1

    公开(公告)日:2006-04-13

    申请号:US10960657

    申请日:2004-10-07

    IPC分类号: H04B1/00 G05B19/00

    摘要: 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.

    摘要翻译: 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。

    Shared program memory for use in multicore DSP devices
    70.
    发明授权
    Shared program memory for use in multicore DSP devices 有权
    用于多核DSP设备的共享程序存储器

    公开(公告)号:US06691216B2

    公开(公告)日:2004-02-10

    申请号:US10004492

    申请日:2001-10-24

    IPC分类号: G06F1578

    摘要: A multi-core DSP device includes a shared program memory to eliminate redundancy and thereby reduce the size and power consumption of the DSP device. Because each of the program cores typically executes the same software program, memory requirements may be reduced by having multiple processor cores share only a single copy of the software. Accordingly, a program memory couples to each of the processor cores by a corresponding instruction bus. Preferably the program memory services two or more instruction requests in each clock cycle. Data is preferably stored in separate memory arrays local to the processor core subsystems and accessible by the processor cores via a dedicated data bus. In one specific implementation, the program memory includes a wrapper that can perform one memory access in the first half of each clock cycle and a second memory access in the second half of each clock cycle. A designated set of instruction buses is allowed to arbitrate for only the first access, and the remaining instruction buses are allowed to arbitrate for only the second access. In this manner, a reduction in on-board memory requirements and associated power consumption may be advantageously reduced.

    摘要翻译: 多核DSP设备包括共享程序存储器以消除冗余,从而减小DSP设备的尺寸和功耗。 由于每个程序内核通常执行相同的软件程序,因此可以通过使多个处理器核心共享该软件的单个副本来减少内存需求。 因此,程序存储器通过相应的指令总线耦合到每个处理器核心。 优选地,程序存储器在每个时钟周期中服务两个或更多个指令请求。 数据优选地存储在处理器核心子系统本地的分开的存储器阵列中,并且可经由专用数据总线由处理器核心访问。 在一个具体实现中,程序存储器包括一个包装器,其可以在每个时钟周期的前半部分中执行一个存储器访问,并且在每个时钟周期的后半部分中执行第二存储器访问。 允许指定的一组指令总线仅对第一次访问进行仲裁,并且允许剩余的指令总线仅对第二次访问进行仲裁。 以这种方式,可以有利地减少车载存储器要求的降低和相关联的功率消耗。