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    • 13. 发明授权
    • Method and apparatus for determining time-varying limitations of a power source
    • 用于确定电源的时变限制的方法和装置
    • US09075086B2
    • 2015-07-07
    • US13901838
    • 2013-05-24
    • Sierra Wireless, Inc.
    • Christophe SeveauLik King Au-Yeung
    • H03K5/22G01R19/00G06F1/26
    • G01R19/0038B60L11/1861B60R16/03G06F1/26Y02T10/7044Y02T10/705Y02T10/92
    • A low-power method and apparatus is provided for adapting to time-varying limitations of a power source, such as a vehicle power source which is in a more-limited state when the engine is off. The supply voltage is monitored for changes using an unclocked, low-power first stage having an analog section, a voltage comparator. Upon detecting voltage changes reflective of a potential power source state change, the first stage generates an interrupt. In response, a second stage transitions from a low-power standby mode to a higher-power active mode. The second stage may include a microprocessor and is configured to confirm or disconfirm the state change. Upon confirmation, further operations are triggered. Upon disconfirmation, the second stage returns to standby mode. The first stage may include an operational amplifier whose two inputs are indicative of the supply voltage, one input having a different response rate to voltage variations than the other.
    • 提供了一种低功率方法和装置,用于适应电源的时变限制,例如当发动机关闭时处于更受限状态的车辆电源。 使用具有模拟部分,电压比较器的未锁定,低功率第一级来监视电源电压的变化。 当检测到反映潜在电源状态改变的电压变化时,第一级产生中断。 作为响应,第二阶段从低功率待机模式转换到较高功率的活动模式。 第二级可以包括微处理器并且被配置为确认或不确认状态改变。 确认后,会触发进一步的操作。 不确定时,第二阶段返回待机模式。 第一级可以包括运算放大器,其两个输入指示电源电压,一个输入具有与另一个的电压变化不同的响应速率。
    • 15. 发明申请
    • METHOD AND APPARATUS FOR COMMUNICATION OF SYSTEM INFORMATION IN A WIRELESS SYSTEM
    • 无线系统中系统信息通信的方法和装置
    • US20140334372A1
    • 2014-11-13
    • US14262433
    • 2014-04-25
    • SIERRA WIRELESS, INC.
    • Gustav Gerald Vos
    • H04W72/00
    • H04W48/10H04W72/042
    • A method and apparatus for communicating system information, such as SIBs, from a base station to a terminal in a wireless network such as an LTE network. The base station is configured to broadcast the system information in accordance with a standard which defines a range of allowable values for characteristics of the broadcast. A restricted range of values for the characteristics is defined as a strict subset of the range of allowable values, and repeated broadcasts of the system information are configured in accordance with the restricted range of values. The terminal uses knowledge of the restricted range of values to facilitate reception of multiple repetitions of the broadcast. The terminal then combines the multiple repetitions to facilitate recovery of the system information.
    • 一种用于在诸如LTE网络的无线网络中从基站向终端传送诸如SIB的系统信息的方法和装置。 基站被配置为根据定义广播特性的允许值的范围的标准广播系统信息。 将特征值的有限范围定义为允许值的范围的严格子集,并且根据值的限制范围配置系统信息的重复广播。 终端使用有限范围的知识来促进广播的多次重复的接收。 然后,终端组合多个重复以便于恢复系统信息。
    • 17. 发明申请
    • ANTENNA HAVING SPLIT DIRECTORS AND ANTENNA ARRAY COMPRISING SAME
    • 具有分割主任的天线和包含相同的天线阵列
    • US20140266953A1
    • 2014-09-18
    • US13836558
    • 2013-03-15
    • Chih-Chuan YEN
    • Chih-Chuan YEN
    • H01Q9/20H01Q5/00
    • H01Q9/065H01Q9/285H01Q19/30H01Q25/005
    • An antenna is provided comprising a pair of driven elements and a pair of passive elements. The driven elements are disposed on opposite sides of a reference plane, and the passive elements are also disposed on opposite sides of the reference plane. One or both passive elements may be provided in a different plane than the driven elements. By varying placement of the passive elements the antenna radiation pattern can be altered. An antenna array is also provided, comprising two or more oppositely directed directional antennas at least one of which is as described above. The passive elements of the antennas can be adjusted for a desired coverage pattern of the array, such as an azimuthal omnidirectional pattern, for example through simulation. The antenna or array may be embodied on a printed circuit board.
    • 提供了包括一对从动元件和一对无源元件的天线。 被驱动元件设置在参考平面的相对侧上,并且无源元件也设置在参考平面的相对侧上。 一个或两个无源元件可以设置在与被驱动元件不同的平面中。 通过改变无源元件的放置,可以改变天线辐射图。 还提供了一种天线阵列,其包括两个或更多个相反方向的定向天线,其中至少一个如上所述。 天线的无源元件可以针对阵列的期望覆盖图案进行调整,例如方位全向图案,例如通过模拟。 天线或阵列可以实现在印刷电路板上。
    • 18. 发明申请
    • AUTOMATIC TRANSFER OF CREDENTIALS BETWEEN WIRELESS ACCESS POINTS
    • 无线接入点之间的自动传输
    • US20140250513A1
    • 2014-09-04
    • US13782918
    • 2013-03-01
    • SIERRA WIRELESS, INC.
    • James CaoMikio-Yves Matsuo
    • H04L29/06
    • H04L63/08H04W12/06H04W84/12
    • A system and method for transferring configuration information between wireless access points is provided. Configuration information may include SSID and password, but also certain settings such as network and subnetwork settings. A first wireless access point may be a mobile hotspot, and a second wireless access point may be a docking station. The first wireless access point is initially active and operating using certain configuration information. Upon a trigger event such as a docking or undocking event, the configuration information is transferred to the second wireless access point. The first wireless access point ceases using the transferred configuration information, for example by switching off or adjusting its configuration, and the second wireless access point begins using the transferred configuration information. The configuration information may be transferred back upon a second trigger event.
    • 提供了一种用于在无线接入点之间传送配置信息的系统和方法。 配置信息可能包括SSID和密码,还可以包括某些设置,如网络和子网络设置。 第一无线接入点可以是移动热点,而第二无线接入点可以是对接站。 第一个无线接入点最初是活动的,并且使用某些配置信息进行操作。 在诸如对接或解除连接事件的触发事件之后,配置信息被传送到第二无线接入点。 第一无线接入点例如通过关闭或调整其配置来停止使用传送的配置信息,并且第二无线接入点开始使用传送的配置信息。 配置信息可以在第二触发事件时被传回。
    • 20. 发明申请
    • ELECTROMAGNETIC SHIELD CONFIGURED TO INHIBIT DEFORMATION
    • 电磁屏蔽配置禁止变形
    • US20140063774A1
    • 2014-03-06
    • US13600690
    • 2012-08-31
    • Bruce Richard John SamuelsEdwin Sy Liu
    • Bruce Richard John SamuelsEdwin Sy Liu
    • H05K9/00
    • H05K9/0032
    • An electromagnetic shield is provided, for example for a printed circuit board. A shield lid fits onto a base structure having at least two, more typically four, opposing sidewalls. The lid includes a top portion and a lip extending downward from the top portion to cap the base structure. The lid includes at least one deformation inhibiting feature extending downward from the top portion, for placement near or against an interior portion of a sidewall, for example against an edge of a folded-over sidewall. The deformation inhibiting feature may include one or more half-dimples stamped into the lid. In response to an external force, the deformation inhibiting feature presses against its adjacent sidewall in order to brace the shield lid. This inhibits the base structure from deforming the lip due to outward pressure of a sidewall onto a portion of the lip, located opposite the deformation inhibiting feature.
    • 提供电磁屏蔽,例如用于印刷电路板。 屏蔽盖装配到具有至少两个,更典型地四个相对侧壁的基部结构上。 盖子包括顶部和从顶部向下延伸以盖住基部结构的唇缘。 盖子包括从顶部向下延伸的至少一个变形抑制特征,用于放置在侧壁的内部附近或靠近侧壁的内部,例如抵靠折叠侧壁的边缘。 变形抑制特征可以包括冲压到盖中的一个或多个半凹坑。 响应于外力,变形抑制特征压靠其相邻的侧壁以支撑屏蔽盖。 这抑制了基部结构由于侧壁的向外的压力而使唇部变形到位于与变形抑制特征相对的唇部的一部分上。