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    • 21. 发明申请
    • Micro Power Generating Device
    • 微型发电机
    • US20080136190A1
    • 2008-06-12
    • US11666052
    • 2004-11-25
    • Yong Bok LeeSeung-Jong KimChang Ho KimKeun Ryu
    • Yong Bok LeeSeung-Jong KimChang Ho KimKeun Ryu
    • F02C3/00H02K7/18
    • H02K7/1823F01D25/22F02C3/05F05D2240/52F05D2250/82
    • There is provided a micro power generating device. A compressor impeller and a turbine wheel are coupled to the ends of a rotating shaft. A cooler is provided for lowering a temperature of the compressed air from the compressor impeller. The compressed air is mixed with the fuel and combusted in a combustion chamber. An air foil thrust bearing for supporting the rotating shaft has a thrust collar coupled to the rotating shaft, as well as a pair of thrust discs located apart from the thrust collar and fixed to the housing. Impeller type seals are formed at both surfaces of the thrust collar and impulse turbine blades are formed at the periphery of the thrust collar. A generator is positioned between the air foil thrust bearing and the compressor impeller. A portion of the cool air is bypassed toward the generator and the impulse turbine blades from the cooler.
    • 提供了微型发电装置。 压缩机叶轮和涡轮机叶轮联接到旋转轴的端部。 提供了一种用于降低来自压缩机叶轮的压缩空气的温度的冷却器。 压缩空气与燃料混合并在燃烧室中燃烧。 用于支撑旋转轴的气翼止推轴承具有联接到旋转轴的止推环,以及与止推环相隔离并固定到壳体的一对推力盘。 叶片型密封件形成在推力环的两个表面处,并且冲击式涡轮叶片形成在推力套环的周边。 发电机位于气翼推力轴承和压缩机叶轮之间。 冷空气的一部分从冷却器旁路向发生器和脉冲涡轮机叶片。
    • 30. 发明授权
    • Circuit and method for providing simultaneous transmission of page data in a paging system
    • 用于在寻呼系统中同时发送寻呼数据的电路和方法
    • US06239720B1
    • 2001-05-29
    • US09046916
    • 1998-03-24
    • Sung Hak KimChang Ho Kim
    • Sung Hak KimChang Ho Kim
    • H04Q100
    • H04W84/022
    • A circuit and method which provides the simultaneous transmission of page data in a paging system by delaying a reference clock signal from a global positioning system. The method for the simultaneous transmission of page data in a paging system comprises the steps of: inputting the reference clock signal from the Global Positioning System (GPS) receiver into a plurality of transmitter controllers of the paging system; delaying, by a value of 1−X seconds, the reference clock signal which is input into each of the transmitter controllers, the value of X being a delay time associated with the transmitter associated with each of the transmitter controllers; sending the page data from the plurality of transmitter controllers to each of the associated transmitters in accordance with the delayed clock signal; and transmitting the page data from the plurality of transmitters simultaneously, whereby the simultaneous transmission of page data is synchronized with the reference clock signal from the GPS receiver, notwithstanding the delay time associated with each of the transmitters.
    • 一种电路和方法,其通过延迟来自全球定位系统的参考时钟信号来提供在寻呼系统中同时传送寻呼数据。 用于在寻呼系统中同时发送寻呼数据的方法包括以下步骤:将来自全球定位系统(GPS)接收机的参考时钟信号输入到寻呼系统的多个发射机控制器中; 以1-X秒的值延迟输入到每个发射机控制器中的参考时钟信号,X的值是与与每个发射机控制器相关联的发射机相关联的延迟时间; 根据延迟的时钟信号将页数据从多个发射机控制器发送到每个相关的发射机; 并且同时从多个发射机发送页面数据,由此即使与每个发射机相关联的延迟时间,页面数据的同时传输与来自GPS接收机的参考时钟信号同步。