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    • 3. 发明申请
    • WIRELESS COMMUNICATION APPARATUS
    • 无线通信设备
    • US20110026509A1
    • 2011-02-03
    • US12920919
    • 2009-04-17
    • Akio Tanaka
    • Akio Tanaka
    • H04W88/02
    • H04B1/713H04B1/7163H04L5/0007H04L5/0012H04L27/2647
    • A wireless communication apparatus includes: a first local generator that generates a first local frequency arranged around a center frequency of a band group; a first down converter that receives a supply of a local signal from the first local generator; and a complex filter that quickly changes filter wave characteristics according to frequency hopping. A control to set the hopping complex filter to all-pass characteristics in wireless communication in a band crossing a local frequency among the bands for hopping and in wireless communication for simultaneously using the bands and to set the hopping complex filter to one side frequency suppression characteristics in other wireless communications is performed.
    • 无线通信装置包括:第一本地发生器,其生成围绕带组的中心频率布置的第一本地频率; 第一下变频器,其接收来自所述第一本地发生器的本地信号的供应; 以及根据跳频快速改变滤波器特性的复杂滤波器。 一种用于在跳频和无线通信中与本地频率相交的频带中的无线通信中将跳频复数滤波器设置为全通特性的控制,用于同时使用频带并将跳频复数滤波器设置为一侧频率抑制特性 执行其他无线通信。
    • 4. 发明申请
    • RECEIVER AND WIRELESS COMMUNICATION SYSTEM EQUIPPED WITH THE SAME
    • 接收和无线通信系统
    • US20100226450A1
    • 2010-09-09
    • US12681190
    • 2008-09-19
    • Akio Tanaka
    • Akio Tanaka
    • H04K1/10H04L25/06
    • H04L25/06H04B1/71637
    • A receiver includes: an amplifier that amplifies a received broadband signal up to a predetermined level; a first switch that switches an output signal from the amplifier; a signal generator that generates a signal for controlling a switching operation of the first switch; an integration capacitor that integrates an output signal from the first switch; a comparator that compares an output voltage from the integration capacitor with a predetermined voltage; and a reset circuit that discharges electrical charges accumulated in the integration capacitor based on a comparison result from the comparator.
    • 接收机包括:放大器,其将接收到的宽带信号放大到预定电平; 第一开关,其从放大器切换输出信号; 信号发生器,其产生用于控制所述第一开关的切换操作的信号; 积分电容器,其对来自第一开关的输出信号进行积分; 将来自积分电容器的输出电压与预定电压进行比较的比较器; 以及复位电路,其基于来自比较器的比较结果,对累积在积分电容器中的电荷进行放电。
    • 7. 发明申请
    • Gas sensor element
    • 气体传感器元件
    • US20070151851A1
    • 2007-07-05
    • US11646246
    • 2006-12-28
    • Akio TanakaNobuyuki Tsuji
    • Akio TanakaNobuyuki Tsuji
    • G01N27/26
    • G01N27/4071
    • A gas sensor element is disclosed having a solid electrolyte body having oxygen ion conductivity, a measuring gas detecting electrode and a reference gas detecting electrode formed on both surfaces of the solid electrolyte body, respectively, a diffusion resistance layer formed on the one surface of the solid electrolyte body so as to surround the measuring gas detecting electrode and available to permeate measuring gas to the measuring gas detecting electrode, and a catalyst-supported trap layer formed on an outer side surface of the diffusion resistance layer. The catalyst-supported trap layer has an average film thickness of a value ranging from 20 to 200μm, and an amount of the supported catalyst with respect to a gross weight of the catalyst-supported trap layer lies in a value ranging from 0.1 to 2 wt %.
    • 公开了一种具有氧离子传导性的固体电解质体,形成在固体电解质体两面上的测量气体检测电极和参考气体检测电极的气体传感器元件,所述扩散电阻层形成在所述固体电解质体的一个表面上 固体电解质体,以包围测量气体检测电极并且可以将测量气体渗透到测量气体检测电极;以及催化剂负载的捕获层,形成在扩散电阻层的外侧表面上。 催化剂负载的捕集层的平均膜厚度为20〜200μm的范围,负载催化剂的量相对于催化剂负载的捕集层的总重量为0.1〜2重量% %。
    • 10. 发明申请
    • High-frequency amplification circuit
    • 高频放大电路
    • US20050009485A1
    • 2005-01-13
    • US10885096
    • 2004-07-07
    • Akio Tanaka
    • Akio Tanaka
    • H03F3/193H03F1/02H03F1/26H03F1/42H03F3/195H04B1/18
    • H03F1/26H03F1/02H03F1/42H03F3/195
    • A resonance circuit comprising, for example, an inductor and a plurality of capacitors is provided as a load of a transistor. The capacitors are changed over by a switch. As the capacitors are changed over by the switch, a resonance frequency is changed according to the invention the frequency hopping of an input signal. To cancel ringing that occurs at the time of the switching action, a transistor which cancels gate feed through is added to the switch. An inductor is provided at the gate in order to suppress a gain reduction and an increase in noise factor in a high-frequency range. This provides a compact, wide-band amplifier which has low noise, a wide gain and low power consumption.
    • 提供包括例如电感器和多个电容器的谐振电路作为晶体管的负载。 电容由开关切换。 当电容器被开关切换时,谐振频率根据本发明改变为输入信号的跳频。 为了取消在切换动作时发生的振铃,将一个取消栅极馈通的晶体管加到开关上。 在栅极处设置电感器,以便抑制在高频范围内的增益减小和噪声因子的增加。 这提供了一种紧凑的宽带放大器,具有低噪声,宽增益和低功耗。