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    • 21. 发明申请
    • WIRELESS POWER TRANSMISSION SYSTEM
    • 无线电力传输系统
    • US20110241437A1
    • 2011-10-06
    • US13075096
    • 2011-03-29
    • Hiroshi KANNO
    • Hiroshi KANNO
    • H01F38/14
    • H01F38/14H01F21/00H01F21/12H02J5/005H02J17/00H02J50/12H02M2007/4818Y02B70/1441
    • The wireless power transmission system of this invention transmits power over a resonant magnetic field. The system includes a power-transmitting resonator 105 and a power-receiving resonator 107, at least one of which is a series resonant circuit with an inductor including spiral wiring 201 and extended wires 213, 207a, 207b and 207c. The extended wire 213 connects a point 203 of the spiral wiring 201 to a power supplying structure, while the extended wires 207a, 207b and 207c connect other points of the spiral wiring 201 to the power supplying structure. Capacitors 209a, 209b and 209c and switches 211a, 211b and 211c are connected to the extended wires 207a, 207b and 207c, respectively. The series resonant circuit has its inductance varied according to which current path has been chosen by selectively turning ON one of the switches. A wiring portion 201a of the spiral wiring 201 has a low-resistance portion 2010, of which the wiring resistance per unit length at a resonant frequency is set to be lower than in at least a part of the rest of the spiral wiring.
    • 本发明的无线电力传输系统在谐振磁场上传输电能。 该系统包括功率发射谐振器105和电力接收谐振器107,其中至少一个是具有包括螺旋布线201和延伸线213,207a,207b和207c的电感器的串联谐振电路。 延伸线213将螺旋线201的点203连接到供电结构,而延伸线207a,207b和207c将螺旋线201的其它点连接到供电结构。 电容器209a,209b和209c以及开关211a,211b和211c分别连接到延伸线207a,207b和207c。 串联谐振电路的电感根据其选择的电流路径而选择性地接通其中一个开关。 螺旋布线201的布线部分201a具有低电阻部分2010,其中在谐振频率处的每单位长度的布线电阻被设置为低于其余螺旋布线的至少一部分中的布线电阻。
    • 23. 发明申请
    • VARIABLE SLOT ANTENNA AND DRIVING METHOD THEREOF
    • 可变槽天线及其驱动方法
    • US20080272972A1
    • 2008-11-06
    • US12179059
    • 2008-07-24
    • Hiroshi KANNOTomoyasu Fujishima
    • Hiroshi KANNOTomoyasu Fujishima
    • H01Q13/10
    • H01Q13/10H01Q3/247
    • A variable slot antenna includes: ground conductors 101a and 101b, which are divided by a slot region 109 both of whose both ends are open ends 111a and 111b; a feed line 115 for feeding power to the slot region 109; a first selective conduction path 119 connecting between the ground conductors 101a and 101b in a direction of the open end 111a as viewed from a feeding site 113; and a second selective conduction path 121 connecting between the ground conductors 101a and 101b in a direction of the open end 111b as viewed from the feeding site 113. In a first driving state, the first selective conduction path 119 is allowed to conduct and the second selective conduction path 121 is left open, so that a main beam is emitted in a direction 123a of the second selective conduction path 121 as viewed from the feeding site 113. In another driving state, the selective conduction paths are controlled differently so that the main beam direction is switched to a direction 123b.
    • 可变缝隙天线包括:接地导体101a和101b,其被两个端部为开口端111a和111b的槽区域109分隔开; 用于向槽区域109供电的供给管线115; 从供电位置113观察,在接地导体101a和101b之间沿开放端111a的方向连接的第一选择性导电路径119; 以及从馈电位置113观察,在接地导体101a和101b之间沿开放端111b的方向连接的第二选择性传导路径121。 在第一驱动状态下,允许第一选择性导电路径119导通,并且第二选择导电路径121保持断开,从而从第二驱动状态观察第二选择导电路径121的方向123a发射主波束 喂养地点113。 在另一个驱动状态下,不同地控制选择传导路径,使得主波束方向被切换到方向123b。
    • 26. 发明申请
    • VARIABLE SLOT ANTENNA AND DRIVING METHOD THEREOF
    • 可变槽天线及其驱动方法
    • US20090021439A1
    • 2009-01-22
    • US12179096
    • 2008-07-24
    • Hiroshi KANNOUshio Sangawa
    • Hiroshi KANNOUshio Sangawa
    • H01Q13/10H01Q3/00
    • H01Q13/10H01Q3/247
    • A variable directivity slot antenna includes: ground conductors 101a and 101b, which are divided by a slot region 109 both of whose ends are open ends 111a and 111b; a feed line 115 having a loop shape at a feeding site 113 for the slot region 109; a first selective conduction path 119 connecting between the ground conductors 101a and 101b in a direction of the open end 111a as viewed from the feeding site 113; and a second selective conduction path 121 connecting between the ground conductors 101a and 101b in a direction of the open end 111b as viewed from the feeding site 113. Depending on the driving state, the first selective conduction path 119 and the second selective conduction path 121 are controlled into a conducting or open state.
    • 可变方向性时隙天线包括:接地导体101a和101b,其被端口区域109划分,两者的端部都是开口端111a和111b; 在槽区域109的供给位置113具有环形的供给管线115; 从馈电位置113观察,在接地导体101a和101b之间沿开放端111a的方向连接的第一选择性传导路径119; 以及从馈电位置113观察,在接地导体101a和101b之间沿开放端111b的方向连接的第二选择性导电路径121.根据驱动状态,第一选择导电路径119和第二选择性导电路径121 被控制为导通或打开状态。