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    • 41. 发明授权
    • Receiver circuit for a communication system
    • 用于通信系统的接收机电路
    • US06782055B1
    • 2004-08-24
    • US09618230
    • 2000-07-18
    • Yuji NagataniKazuya IwamotoHiroshi Hashimoto
    • Yuji NagataniKazuya IwamotoHiroshi Hashimoto
    • H04B300
    • H04B3/50
    • A receiver circuit that can obtain a reception signal with accuracy in high-speed communications using two-wire transmission lines. The receiver circuit receives information signals in a communication system with two-wire transmission lines for transmitting the information signals in opposite phases to each other. The receiver circuit includes an alternating-current coupling arrangement provided for each of the two-wire transmission lines and for extracting alternating-current components of the information signals inputted through the transmission lines. The receiver circuit also includes a reception signal generating arrangement for obtaining a reception signal corresponding to the information signals in accordance with output signals from each of the alternating-current coupling arrangements. Each of the alternating-current coupling arrangements include two time constant circuits having time constants different from each other and connected in parallel to each other between an input and output thereof.
    • 一种可以使用双线传输线在高速通信中准确获得接收信号的接收机电路。 接收机电路在具有双线传输线的通信系统中接收信息信号,用于彼此相反地发送信息信号。 接收器电路包括为两线传输线中的每一条提供的交流耦合装置,并用于提取通过传输线输入的信息信号的交流分量。 接收机电路还包括接收信号产生装置,用于根据来自每个交流耦合装置的输出信号来获得对应于信息信号的接收信号。 每个交流耦合装置包括两个时间常数电路,时间常数彼此不同,并在其输入和输出之间彼此并联连接。
    • 46. 发明授权
    • Negative electrode active material and negative electrode using the same and lithium ion secondary battery
    • 负极活性物质和负极使用相同的锂离子二次电池
    • US08071237B2
    • 2011-12-06
    • US12095879
    • 2006-11-24
    • Kazuya IwamotoShuji Ito
    • Kazuya IwamotoShuji Ito
    • H01M4/13H01M4/48H01M10/02C01B33/113B05D5/12C23C16/00
    • H01M4/131H01M4/0423H01M4/1391H01M4/485H01M10/0525
    • In a negative electrode active material for a lithium ion secondary battery including a silicon oxide capable of absorbing and desorbing lithium ions, a silicon oxide having structural units each in the form of a tetrahedron in which a silicon atom is located at its center and silicon or oxygen atoms are located at its four vertices is used. The structural units are arranged randomly to form an amorphous structure. In the case that the number of oxygen atoms located at the four vertices in the structural units is represented by n (n=0, 1, 2, 3 or 4) and the structural units are represented by Si(n), the number of the structural units NSi(n) in the silicon oxide satisfies the following relations (1) to (3). [ Formula ⁢ ⁢ 1 ] NSi ⁡ ( 0 ) ∑ NSi ⁡ ( n ) ≥ 0.1 ( 1 ) Nsi ⁡ ( 4 ) ∑ NSi ⁡ ( n ) ≤ 0.1 ( 2 ) Nsi ⁡ ( 1 ) + NSi ⁡ ( 2 ) + Nsi ⁡ ( 3 ) ≠ 0 ( 3 )
    • 在包含能够吸收和解吸锂离子的氧化硅的锂离子二次电池用负极活性物质中,具有硅原子位于其中心的四面体形状的结构单元的氧化硅和硅 氧原子位于其四个顶点。 结构单元随机排列以形成非晶结构。 在结构单元中位于四个顶点的氧原子数由n(n = 0,1,2,3或4)表示,结构单元由Si(n)表示的情况下, 氧化硅中的结构单元NSi(n)满足关系式(1)〜(3)。 [公式1] NSi⁡(0)ΣNSi⁡(n)≥0.1(1)Nsi⁡(4)ΣNSi⁡(n)≤0.1(2)Nsi⁡(1)+ NSi⁡(2)+ Nsi⁡(3)≠0(3)