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    • 10. 发明授权
    • Compact polarized antenna and methods
    • 紧凑型极化天线及方法
    • US08988296B2
    • 2015-03-24
    • US13439576
    • 2012-04-04
    • Kimmo KoskiniemiPertti Nissinen
    • Kimmo KoskiniemiPertti Nissinen
    • H01Q1/12H01Q1/24G01S19/14H01Q1/27H01Q9/42
    • H01Q9/045G01S19/14H01Q1/273H01Q9/0428H01Q9/42Y10T29/49016
    • A right-hand circular polarized antenna and associated methods. In one embodiment, a quarter-wave antenna configuration is used within a small form factor portable device (e.g. wristwatch). The antenna comprises a radiator element which operates in as a linear polarized antenna while the device is operating in free space. However, when the device is attached to a user (e.g. at a user's wrist), the antenna utilizes the loading of the user's body tissue in order to suppress unwanted signals (e.g. left hand polarized signals) to permit operation in circular polarized mode (e.g. right hand polarized mode), thereby allowing for increased sensitivity to received circularly polarized signals such as those emanated from global positioning satellites.
    • 右旋圆极化天线及相关方法。 在一个实施例中,在小型便携式设备(例如手表)中使用四分之一波长的天线配置。 该天线包括在器件在自由空间中操作时作为线性极化天线工作的散热器元件。 然而,当该装置附接到用户(例如,在用户的手腕上)时,天线利用用户身体组织的加载,以便抑制不需要的信号(例如左手偏振信号)以允许以圆偏振模式操作(例如, 右手偏振模式),从而允许对接收到的圆偏振信号(例如从全球定位卫星发出的那些)的灵敏度增加。