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    • 7. 发明授权
    • Method and system for providing spatial-based context-aware service
    • 提供基于空间的上下文感知服务的方法和系统
    • US08571581B2
    • 2013-10-29
    • US13295976
    • 2011-11-14
    • Moonsoo LeeMin Soo KimInhak JooChung-ho LeeIn Sung JangSung Woong Shin
    • Moonsoo LeeMin Soo KimInhak JooChung-ho LeeIn Sung JangSung Woong Shin
    • H04W24/00
    • H04W4/02
    • A system for providing spatial-based context-aware service includes a database configured to store a geocontext including spatial information, one or more contexts, and sensor data; a sensor/context catalog server configured to manage meta data of the contexts and the sensor data; a context processing server configured to generate a list of contexts applicable to the mobile device based on the sensor data and the meta data upon a receipt of the sensor data from the mobile device; a geocontext search server configured to search the database for candidate geocontexts appropriate for the user of the mobile device by using the location information of the mobile device and the list of contexts; and a context-aware management server configured to generate a list of recommended services by executing the searched candidate geocontexts.
    • 用于提供基于空间的上下文感知服务的系统包括被配置为存储包括空间信息,一个或多个上下文和传感器数据的地理信息的数据库; 配置为管理所述上下文的元数据和所述传感器数据的传感器/上下文目录服务器; 上下文处理服务器,被配置为在从所述移动设备接收到所述传感器数据时,基于所述传感器数据和所述元数据来生成适用于所述移动设备的上下文列表; 地理候
      译搜索服务器,其被配置为通过使用所述移动设备的位置信息和所述上下文列表来搜索适合于所述移动设备的用户的候选地理信号; 以及上下文感知管理服务器,被配置为通过执行所搜索的候选地理信号来生成推荐服务的列表。
    • 10. 发明申请
    • Air conditioner and reverse phase detection method thereof
    • 空调及其反相检测方法
    • US20100176959A1
    • 2010-07-15
    • US12310548
    • 2007-11-07
    • Min Soo Kim
    • Min Soo Kim
    • G08B21/00G01R25/00
    • G01R29/18F24F11/30F25B2700/15
    • An air conditioner and a reverse-phase detection method thereof are provided. According to the air conditioner and the reverse-phase detection method thereof, it is possible to perform reverse-phase detection in real time by subtracting the voltage of one of two phases arbitrarily selected from the phases of an input three-phase alternating voltage from the voltage of the other phase and determining whether the input three-phase alternating voltage is reversed based on sign information of a voltage obtained by the subtraction. Thus, it is possible to prevent an air conditioner from malfunctioning due to a reversed input three-phase alternating voltage and to facilitate the management of an air conditioner.
    • 提供一种空调及其反相检测方法。 根据空调机及其反相检测方法,可以通过从三相交流电压的相位任意选择的两相中的一方的电压减去实时地进行反相检测 电压,并且基于通过减法获得的电压的符号信息来确定输入的三相交流电压是否反转。 因此,可以防止空调由于输入三相交流电压的反转而发生故障,并且便于管理空调。