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    • 2. 发明授权
    • Antenna device and door handle device
    • 天线装置和门把手装置
    • US07679571B2
    • 2010-03-16
    • US11661595
    • 2005-09-16
    • Hisashi InabaKiyokazu IedaRikuo Hatano
    • Hisashi InabaKiyokazu IedaRikuo Hatano
    • H01Q1/32
    • H01Q1/3283B60R25/246E05B81/77E05B81/78G07C9/00309G07C2209/65H01Q1/44H01Q7/08
    • A transmission/reception antenna (21) comprises a core (31) and a coil (32) wound around the core (31). One of a plurality of core sheets (31a) constituting the core (31) is utilized as a sensor electrode (23). Conductors (33, 34) extending from the two ends of the coil (32) are connected to a transmission/reception drive circuit (22). The conductor (35) extending from a capacitance detector (24) is connected to one of the conductors (33, 34) extending between the coil (32) and the transmission/reception drive circuit (22). Consequently, the capacitance detector (24) is alternately connected to the sensor electrode (23) through a parasitic capacitance C1 generated between the coil (32) and the sensor electrode (23) (core sheet (31a)).
    • 发送/接收天线(21)包括芯(31)和缠绕在芯(31)上的线圈(32)。 构成芯(31)的多个芯片(31a)中的一个被用作传感器电极(23)。 从线圈(32)的两端延伸的导体(33,34)连接到发送/接收驱动电路(22)。 从电容检测器(24)延伸的导体(35)连接到在线圈(32)和发送/接收驱动电路(22)之间延伸的导体(33,34)之一。 因此,通过在线圈(32)和传感器电极(23)(芯片(31a))之间产生的寄生电容C1,电容检测器(24)交替地与传感器电极(23)连接。
    • 3. 发明授权
    • Door approach communication apparatus and door lock control apparatus
    • 门通信设备和门锁控制装置
    • US06304168B1
    • 2001-10-16
    • US09063408
    • 1998-04-21
    • Takayuki OhtaToshimitsu OkaYuichi MurakamiRikuo HatanoKiyokazu Ieda
    • Takayuki OhtaToshimitsu OkaYuichi MurakamiRikuo HatanoKiyokazu Ieda
    • G06F700
    • B60R25/246E05B81/78E05B85/01E05B85/10G07C9/00309G07C2009/00793G07C2209/65H01Q1/3241H01Q1/3283H01Q13/10
    • A door approach transmission apparatus comprises an outside door handle 20 having a conductor with a slit 23 disposed in the door handle surface. A slot antenna 21, 23, 24, 25 is disposed at the slit 23, and includes feeding points 24, 25 installed on the conductor. The apparatus also includes a transmitter 26 for applying voltage for radio wave oscillation to the feeding points 24, 25. The above-described door approach transmission and reception apparatus can be used in a door lock control apparatus where a search radio wave is emitted from a vehicle, a portable wireless device 10 receives the search radio wave, and returns an ID signal. An electrically driven door lock apparatus 40 is driven to unlock the door when the returned ID signal coincides with a registered ID signal. The search radio wave is irradiated from the slot antenna. Either of a transmitter 26 and a receiver 33 is selectively connected to the feeding points 24, 25. By virtue of the above-described features, the emission and reception of radio waves is realized, and in the case of a door handle made of a metal, the number of parts for emission and reception of the radio waves are reduced.
    • 门进近传动装置包括外门把手20,其具有设置在门把手表面中的具有狭缝23的导体。 槽缝天线21,23,24,25设置在狭缝23处,并且包括安装在导体上的馈送点24,25。 该装置还包括用于向馈电点24,25施加用于无线电波振荡的电压的发射器26.上述门接收传输和接收装置可以用在门锁控制装置中,其中搜索电波从 便携式无线设备10接收搜索无线电波,并返回ID信号。 当返回的ID信号与注册的ID信号一致时,驱动电驱动的门锁装置40来解锁门。 从缝隙天线照射搜索电波。 发射器26和接收器33中的任一个选择性地连接到馈电点24,25。通过上述特征,实现无线电波的发射和接收,并且在门把手由 金属,用于发射和接收无线电波的部件的数量减少。
    • 4. 发明授权
    • Loop antenna device
    • 环形天线装置
    • US06583764B2
    • 2003-06-24
    • US10080546
    • 2002-02-25
    • Kiyokazu IedaYuichi MurakamiRikuo HatanoEiji Mushiaki
    • Kiyokazu IedaYuichi MurakamiRikuo HatanoEiji Mushiaki
    • H01Q1112
    • H01Q7/08H01Q1/3283H01Q21/29
    • To provide a loop antenna device which inhibits the unnecessary radiation of the electric wave and which can increase the sending speed of data placed on the electric wave. The first loop antenna 14 includes the coil L11 and the resonant capacitor C1 and constitutes a series resonant circuit in which the oscillator is connected in series to the coil L11 and the resonant capacitor C1. The second loop antenna 15 includes the coil L2 and the resonant capacitor C2 which are connected each other in parallel and constitutes a parallel resonant circuit. The second loop antenna 15 is magnetically connected to the first loop antenna 14 via the link coil L12. The switching elements 14, 15 are connected to the first and second loop antennas 14, 15 and the damping is performed to the resonant circuits of the antennas 14, 15 when the switching elements 18, 19 become OFF condition by the control signal from the controller 9.
    • 提供抑制电波的不必要辐射并且可以增加放置在电波上的数据的发送速度的环形天线装置。 第一环形天线14包括线圈L11和谐振电容器C1,并且构成串联谐振电路,其中振荡器与线圈L11和谐振电容器C1串联连接。 第二环形天线15包括并联连接并构成并联谐振电路的线圈L2和谐振电容器C2。 第二环形天线15经由链路线圈L12与第一环形天线14磁性连接。 开关元件14,15连接到第一和第二环形天线14,15,并且当开关元件18,19通过来自控制器的控制信号变为OFF状态时,对天线14,15的谐振电路进行阻尼 9。
    • 5. 发明授权
    • Human body detector
    • 人体检测仪
    • US06774789B2
    • 2004-08-10
    • US09925308
    • 2001-08-10
    • Hisashi InabaYuichi MurakamiKiyokazu IedaEiji MushiakeHiroki Okada
    • Hisashi InabaYuichi MurakamiKiyokazu IedaEiji MushiakeHiroki Okada
    • G08B1300
    • B60R25/246G07C2209/64
    • In a human body detector, a wave-detection circuit for detecting waves of a resonance voltage is connected to a sensor resonance circuit that varies a constant frequency voltage in accordance with a change in the capacitance of a sensor electrode. The wave-detection circuit is connected to a differentiator that acquires a changing rate by differentiating the wave-detection voltage with respect to time, and allows a voltage to pass if the changing rate of the voltage is greater than or equal to a predetermined value. The differentiator is connected to a high-pass filter that allows passage of a voltage whose changing rate is greater than or equal to a second predetermined value. The high-pass filter is connected to a comparator whose non-inversion input terminal is connected to a power source that applies thereto a reference voltage.
    • 在人体检测器中,用于检测谐振电压波的波检测电路被连接到根据传感器电极的电容变化而改变恒定频率电压的传感器谐振电路。 波检测电路通过将波检测电压相对于时间进行微分而获得变化率的微分器连接,如果电压的变化率大于或等于预定值,则允许电压通过。 微分器连接到允许通过变化率大于或等于第二预定值的电压的高通滤波器。 高通滤波器连接到比较器,其非反相输入端连接到施加到基准电压的电源。