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    • 33. 发明授权
    • Wireless network system
    • 无线网络系统
    • US08160492B2
    • 2012-04-17
    • US12295434
    • 2007-03-30
    • Toshiaki MatsuiHitoshi Utagawa
    • Toshiaki MatsuiHitoshi Utagawa
    • H04B7/165
    • H01Q3/46H01Q13/08H01Q21/06H04B1/408
    • A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless network system comprises a plurality of wireless communication devices (101) each comprising a radiating oscillator (1) configured to integrate a transistor into a microwave oscillating resonator to generate a negative resistance and to commonly use a function of an antenna (11), an intermediate frequency signal generating section (4) and a receiving signal detecting section (7). In the wireless network system, the wireless communication devices are arranged to face at a position, at least one of the wireless communication devices has an intermediate frequency signal generating section having a frequency band signal generating function different from that of others, the receiving signal detection section having a function that can discriminate and receive a frequency band different from that of others, a signal transmitted from the one wireless communication device is transmitted to the other facing wireless communication device, and the other facing wireless communication device receives and extracts the signal by the receiving signal detecting section.
    • 使用具有非常简单的结构的无线通信设备,并且提供具有高质量信号的低成本和低功耗无线网络系统。 无线网络系统包括多个无线通信设备(101),每个无线通信设备包括辐射振荡器(1),其被配置为将晶体管集成到微波振荡谐振器中以产生负电阻并且通常使用天线(11)的功能, 中频信号产生部分(4)和接收信号检测部分(7)。 在无线网络系统中,无线通信装置被配置为面对一个位置,至少一个无线通信装置具有中频信号生成部,其具有不同于其他的频带信号生成功能的接收信号检测 具有能够识别和接收与其他频带不同的频带的功能的部分,从一个无线通信设备发送的信号被发送到另一个面向无线通信设备,另一个面向无线通信设备的接收和提取信号由 接收信号检测部分。
    • 34. 发明申请
    • MICROWAVE/MILLIMETER WAVE COMMUNICATION APPARATUS
    • 微波/毫米波通信设备
    • US20110244801A1
    • 2011-10-06
    • US13121063
    • 2008-09-26
    • Hitoshi UtagawaToshiaki Matsui
    • Hitoshi UtagawaToshiaki Matsui
    • H04B7/00
    • H03C3/227H03C2200/0033H03D3/24
    • A baseband signal processing unit changes the collector current of a transistor (20) formed by a bias control circuit (7) in accordance with a baseband transmission signal input from a baseband signal input terminal (18), changing the drain bias of a high-frequency transistor (1) to realize frequency modulation by changing the oscillation frequency, and the radiation wave thereof forms a transmit RF signal, whereby the transmission operation is performed. On the other hand, the oscillation signal is synchronized with a frequency modulated RF signal that arrives from outside, the change in frequency caused by the frequency modulation is generated as a change in the drain bias of the high-frequency transistor (1), and reception operation is performed by taking out that change as a voltage amplitude change from the baseband signal output terminal (14). As a result, it is possible to provide a microwave/millimeter wave communication apparatus that is simple in structure, low cost, and low power consumption.
    • 基带信号处理单元根据从基带信号输入端子(18)输入的基带发送信号,改变由偏置控制电路(7)形成的晶体管(20)的集电极电流, 频率晶体管(1)通过改变振荡频率来实现频率调制,并且其辐射波形成发射RF信号,从而进行发射操作。 另一方面,振荡信号与从外部到达的频率调制RF信号同步,由频率调制引起的频率变化作为高频晶体管(1)的漏极偏置的变化产生, 通过从基带信号输出端子(14)取出作为电压振幅变化的变化来进行接收动作。 结果,可以提供结构简单,成本低,功耗低的微波/毫米波通信装置。
    • 35. 发明申请
    • WIRELESS NETWORK SYSTEM
    • 无线网络系统
    • US20090253370A1
    • 2009-10-08
    • US12295434
    • 2007-03-30
    • Toshiaki MatsuiHitoshi Utagawa
    • Toshiaki MatsuiHitoshi Utagawa
    • H04B7/14
    • H01Q3/46H01Q13/08H01Q21/06H04B1/408
    • A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless network system comprises a plurality of wireless communication devices (101) each comprising a radiating oscillator (1) configured to integrate a transistor into a microwave oscillating resonator to generate a negative resistance and to commonly use a function of an antenna (11), an intermediate frequency signal generating section (4) and a receiving signal detecting section (7). In the wireless network system, the wireless communication devices are arranged to face at a position, at least one of the wireless communication devices has an intermediate frequency signal generating section having a frequency band signal generating function different from that of others, the receiving signal detection section having a function that can discriminate and receive a frequency band different from that of others, a signal transmitted from the one wireless communication device is transmitted to the other facing wireless communication device, and the other facing wireless communication device receives and extracts the signal by the receiving signal detecting section.
    • 使用具有非常简单的结构的无线通信设备,并且提供具有高质量信号的低成本和低功耗无线网络系统。 无线网络系统包括多个无线通信设备(101),每个无线通信设备包括辐射振荡器(1),其被配置为将晶体管集成到微波振荡谐振器中以产生负电阻并且通常使用天线(11)的功能, 中频信号产生部分(4)和接收信号检测部分(7)。 在无线网络系统中,无线通信装置被配置为面对一个位置,至少一个无线通信装置具有中频信号生成部,其具有不同于其他的频带信号生成功能的接收信号检测 具有能够识别和接收与其他频带不同的频带的功能的部分,从一个无线通信设备发送的信号被发送到另一个面向无线通信设备,另一个面向无线通信设备的接收和提取信号由 接收信号检测部分。
    • 38. 发明授权
    • Gaussian-beam oscillator for microwave and millimeter waves
    • 用于微波和毫米波的高斯束振荡器
    • US5450040A
    • 1995-09-12
    • US290076
    • 1994-08-12
    • Toshiaki MatsuiMasahiro Kiyokawa
    • Toshiaki MatsuiMasahiro Kiyokawa
    • G02B7/198H01P5/08H01Q3/46H01S1/00H01S3/08H03B5/18H03B7/12H03B7/14H03B9/14
    • H03B7/146H01Q3/46H03B5/1876
    • A Gaussian-beam oscillator for microwave and millimeter wave comprising a negative resistance amplifier circuit which produces and amplifies a high-frequency signal, a resonator consisting of a pair of reflecting mirrors, which consist of a spherical mirror and a planar mirror or two spherical mirrors, and a wave path which transmits the high-frequency signal between said resonator and said negative resistance amplifier circuit, one reflecting mirror of said resonator having an electromagnetic wave coupling region constituted as a circular partially transparent mirror surface region having its center on the optical axis, the other reflecting mirror having a strip element provided at the center of the optical axis and on the rear surface of said strip element having a coupling region for coupling with said wave path, said one reflecting mirror constituting said resonator and having the electromagnetic wave coupling region having a higher reflectance than the reflectance of the other reflecting mirror.
    • 一种用于微波和毫米波的高斯光束振荡器,包括产生和放大高频信号的负电阻放大器电路,由一对反射镜组成的谐振器,该反射镜由球面镜和平面镜或两个球面镜组成 以及在所述谐振器和所述负电阻放大器电路之间传输所述高频信号的波道,所述谐振器的一个反射镜具有电磁波耦合区域,所述电磁波耦合区域构成其在光轴上的中心的圆形部分透明的镜面区域 所述另一反射镜具有设置在所述光轴中心处的带状元件,并且所述带状元件的后表面具有用于与所述波道耦合的耦合区域,所述一个反射镜构成所述谐振器并具有电磁波耦合 区域的反射率比另一个反射率的反射率高 选镜。