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    • 2. 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。
    • 5. 发明申请
    • WIRELESS POWER TRANSMISSION SYSTEM
    • 无线电力传输系统
    • US20120001497A1
    • 2012-01-05
    • US13170355
    • 2011-06-28
    • Tomokazu SADAHiroshi KANNO
    • Tomokazu SADAHiroshi KANNO
    • H02J17/00
    • H02J50/50H02J5/005H02J7/025H02J50/12Y10T307/707Y10T307/729Y10T307/944
    • A wireless power transmission unit according to the present invention transmits power wirelessly from a power transmitting section 100 to a power receiving section 200 through a resonant magnetic field. The unit includes: the power transmitting section 100, which resonates at a resonant frequency f0; at least one relay section 300, which can resonate at a frequency that is selected from multiple frequencies including the resonant frequency f0; and a resonance control section 600 that outputs information that specifies a resonance condition to be imposed on the relay section 300 according to the arrangement of the power receiving section 200 and that makes the relay section 300 resonate on the resonance condition that has been specified in accordance with that information.
    • 根据本发明的无线电力传输单元通过谐振磁场从电力发送部分100无线地发送到电力接收部分200。 该单元包括:以共振频率f0谐振的功率发送部分100; 至少一个中继部分300,其可以以从包括谐振频率f0的多个频率中选择的频率谐振; 以及谐振控制部600,其根据电力接收部200的配置输出规定要施加在中继部300上的谐振条件的信息,并使继电器部300根据已经规定的谐振条件进行谐振 与该信息。
    • 8. 发明申请
    • WIRELESS POWER TRANSMISSION UNIT AND POWER GENERATOR AND POWER GENERATION SYSTEM WITH THE WIRELESS POWER UNIT
    • 无线电力传输单元和无线电源发电机和发电系统
    • US20110037322A1
    • 2011-02-17
    • US12853351
    • 2010-08-10
    • Hiroshi KANNO
    • Hiroshi KANNO
    • H01F38/14
    • H02J50/12H02J7/025H02J17/00H02J50/20
    • A wireless power transmission unit that can increase the low output voltage of a power generating section effectively is provided. The wireless power transmission unit includes: an oscillator for converting DC energy into RF energy having a frequency f0; a first antenna to transmit the RF energy; and a second antenna to receive at least a part of the RF energy transmitted by the first antenna. The first antenna is a series resonant circuit in which a first inductor and a first capacitor are connected together in series. The second antenna is a parallel resonant circuit in which a second inductor and a second capacitor are connected in parallel with each other. The resonant frequencies fT and fR of the first and second antennas and are set to be equal to the frequency f0 of the RF energy. If the oscillator has a voltage step-up ratio Voc, the first and second inductors and have inductances L1 and L2, respectively, and the first and second antennas have a coupling coefficient k, (L2/L1)≧4(k/Voc)2 is satisfied.
    • 提供了能够有效地提高发电部的低输出电压的无线电力传输单元。 无线电力传输单元包括:用于将DC能量转换成具有频率f0的RF能量的振荡器; 用于发送RF能量的第一天线; 以及第二天线,用于接收由第一天线发射的RF能量的至少一部分。 第一天线是串联谐振电路,其中第一电感器和第一电容器串联在一起。 第二天线是并联谐振电路,其中第二电感器和第二电容器彼此并联连接。 第一和第二天线的谐振频率fT和fR被设置为等于RF能量的频率f0。 如果振荡器具有升压比Voc,则第一和第二电感器分别具有电感L1和L2,并且第一和第二天线具有耦合系数k(L2 / L1)≥4(k / Voc) 2满足。
    • 10. 发明申请
    • WIRELESS POWER TRANSMISSION UNIT AND POWER GENERATOR WITH THE WIRELESS POWER TRANSMISSION UNIT
    • 无线电力传输单元和发电机无线电力传输单元
    • US20120086281A1
    • 2012-04-12
    • US13267033
    • 2011-10-06
    • Hiroshi KANNO
    • Hiroshi KANNO
    • H01F38/14H02J1/00
    • H02J50/12H01Q1/248H01Q3/26H01Q7/00H02J5/005H02J7/35H02J17/00H02J50/40H02J50/70Y10T307/305Y10T307/313Y10T307/707Y10T307/718
    • A wireless power transmission unit includes oscillators that convert DC energy into RF energy with a frequency f0, power transmitting antennas, and power receiving antennas. Each power transmitting antenna is a series resonant circuit in which a power transmitting inductor and a first capacitor are connected in series. Each power receiving antenna is a parallel resonant circuit in which a power receiving inductor and a second capacitor are connected in parallel. If the oscillator has a voltage step-up ratio Voc, the power transmitting inductor has an inductance L1, the power receiving inductor has an inductance L2, and the power transmitting and power receiving antennas and have a coupling coefficient k, (L2/L1)≧4(k/Voc)2 is satisfied. The absolute value of the phase difference θres between the respective resonant magnetic fields of first and second pairs of resonant antennas is set to fall within the range of 90 to 180 degrees.
    • 无线电力传输单元包括将DC能量转换成具有频率f0的RF能量,功率发射天线和功率接收天线的振荡器。 每个发射天线是其中电力传输电感器和第一电容器串联连接的串联谐振电路。 每个受电天线是并联谐振电路,其中功率接收电感器和第二电容器并联连接。 如果振荡器具有升压比Voc,则电力传输电感器具有电感L1,受电电感器具有电感L2,功率发射和功率接收天线具有耦合系数k(L2 / L1) ≥4(k / Voc)2。 将第一和第二对共振天线的相应谐振磁场之间的相位差和总和的绝对值设定在90至180度的范围内。