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    • 92. 发明申请
    • BEAD TYPE NOISE FILTER
    • 珠型噪声滤波器
    • US20060055487A1
    • 2006-03-16
    • US10515494
    • 2003-09-22
    • Osamu KobayashiOsamu YamadaYukio SuzukiKiyoshi ItoMayuka Shirai
    • Osamu KobayashiOsamu YamadaYukio SuzukiKiyoshi ItoMayuka Shirai
    • H03H7/01
    • H01F17/06H01F1/344H01F3/08H01F2017/065H01F2017/067H03H2001/0092
    • A bead type noise filter according to the present invention is constituted by a magnetic core 1 formed of Mn—Zn ferrite having its resistivity increased so as to improve a high frequency characteristic, and having its permittivity lowered, and thereby can successfully suppress radiation noises without distorting the waveform of transmission signals. The magnetic core 1 constituting the bead type noise filter is formed of a high resistivity soft magnetic material, is shaped cylindrical, and has at least one through-hole 1a so as to form a closed magnetic path, and the bead type noise filter is attached on a signal line 2 such that the signal line 2 is inserted through the through-hole 1a. The soft magnetic material has a real part of complex relative permittivity ranging from 1,000 up to 20,000 at 1 kHz and 50 or lower at 1 MHz, and has a resistivity of 150 Ωm or higher.
    • 根据本发明的珠型噪声滤波器由其电阻率增加的Mn-Zn铁氧体形成的磁芯1构成,以提高高频特性,并且其介电常数降低,从而可以成功地抑制放射线噪声而没有 扭曲传输信号的波形。 构成胎圈型噪声滤波器的磁芯1由高电阻率软磁性材料形成,成形为圆柱形,并且具有至少一个通孔1a以形成闭合磁路,并且胎圈型噪声滤波器为 附着在信号线2上,使得信号线2穿过通孔1a插入。 该软磁性材料具有在1kHz下为1,000至20,000的复相对介电常数的实部,1MHz为50或更低,并且具有150Ωm或更高的电阻率。
    • 94. 发明授权
    • Inductor
    • 电感器
    • US06798329B2
    • 2004-09-28
    • US10420881
    • 2003-04-23
    • Osamu KobayashiOsamu YamadaYukio SuzukiKiyoshi ItoMayuka Shirai
    • Osamu KobayashiOsamu YamadaYukio SuzukiKiyoshi ItoMayuka Shirai
    • H01F2724
    • H01F17/04H01F1/344
    • In an inductor comprising an open magnetic path formed by a soft magnetic material and a winding provided around the open magnetic path, the soft magnetic material has its relative complex dielectric constant varying according to a frequency. In the soft magnetic material, the imaginary part of the relative complex dielectric constant is greater than the real part thereof in a high-frequency band equal higher than the frequency of the electric signal flowing in the winding. Specifically, the soft magnetic material has a resistivity of 150 &OHgr;m, has a real part of the relative complex dielectric constant, ranging from 1,000 to 20,000 at 1 kHz and 50 or less at 1 MHz, and the imaginary part is greater than the real part at 1 MHz.
    • 在包括由软磁材料形成的开放磁路和围绕开放磁路设置的绕组的电感器中,软磁材料具有根据频率而变化的其相对复合介电常数。 在软磁性材料中,相对复合介电常数的虚部比在绕组中流动的电信号的频率高的高频带大于其实部。 具体地说,软磁材料的电阻率为150欧姆,具有相对复介电常数的实部,1kHz为1,000〜20,000,1MHz为50以下,虚部大于实部 在1MHz。
    • 98. 发明授权
    • AM radio receiver
    • AM无线电接收机
    • US6021322A
    • 2000-02-01
    • US976432
    • 1997-11-21
    • Shigeru HatadaYukio Suzuki
    • Shigeru HatadaYukio Suzuki
    • H04B1/26H03J3/24H03J3/32H04B1/18H03B5/08
    • H03J3/24
    • In an AM radio receiver, a radio-frequency tuning circuit comprises a tuning coil, and variable capacitance diode elements connected to the tuning coil; a local oscillator circuit comprises an oscillator coil, a variable capacitance diode element connected in parallel with the oscillator coil, and a capacitance element connected in series with the oscillator coil; and tuning voltage is applied from a variable voltage source to the variable capacitance diode elements of the high-frequency tuning circuit, and to the variable capacitance diode element of the local oscillator circuit through a voltage adjustment circuit connected to the variable voltage source and a reference voltage source.
    • 在AM无线电接收机中,射频调谐电路包括调谐线圈和连接到调谐线圈的可变电容二极管元件; 本地振荡电路包括振荡器线圈,与振荡器线圈并联连接的可变电容二极管元件和与振荡器线圈串联连接的电容元件; 并且调谐电压从可变电压源施加到高频调谐电路的可变电容二极管元件,并通过连接到可变电压源的电压调节电路和参考电压施加到本地振荡器电路的可变电容二极管元件 电压源。
    • 99. 发明授权
    • Integrated logic circuit and EEPROM
    • 集成逻辑电路和EEPROM
    • US5808934A
    • 1998-09-15
    • US504116
    • 1995-07-19
    • Kazuaki KuboYukio SuzukiMasanori Miyagi
    • Kazuaki KuboYukio SuzukiMasanori Miyagi
    • G11C17/00G11C5/14G11C7/06G11C11/407G11C16/06H01L21/8238H01L21/8247H01L27/092H01L27/115G11C11/34
    • G11C5/14G11C7/062
    • An EEPROM operable at a reduced power source voltage comprises a decoder circuit for decoding input signals, a memory array for storing the decoded, a reading circuit for operating the decoder circuit and the memory array, and for reading out data stored in the memory array, and a writing circuit for operating the decoder circuit and the memory array, and for writing data to the memory array. The EEPROM is divided into a first circuit area comprising a plurality of first transistors driven by a first power source voltage, an absolute value of a threshold voltage of the first transistors in the first circuit area being within the range of approximately 0.3 V to 0.7 V, the first circuit area including at least the reading circuit, and a second circuit area comprising a plurality of second transistors driven by a second power source voltage, an absolute value of a threshold voltage of the second transistors in the second circuit area being within the range of approximately 0.7 V to 0.9 V, the second circuit area including at least the writing circuit.
    • 可以以降低的电源电压操作的EEPROM包括用于解码输入信号的解码器电路,用于存储解码的存储器阵列,用于操作解码器电路和存储器阵列的读取电路,以及用于读出存储在存储器阵列中的数据, 以及用于操作解码器电路和存储器阵列并用于将数据写入存储器阵列的写入电路。 EEPROM被分成包括由第一电源电压驱动的多个第一晶体管的第一电路区域,第一电路区域中的第一晶体管的阈值电压的绝对值在大约0.3V至0.7V的范围内 所述第一电路区域至少包括所述读取电路,以及包括由第二电源电压驱动的多个第二晶体管的第二电路区域,所述第二电路区域中的所述第二晶体管的阈值电压的绝对值在 大约0.7V至0.9V的范围,第二电路区域至少包括写入电路。