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    • 11. 发明授权
    • Sigma delta (ΣΔ) transmitter circuits and transceiver using the same
    • Sigma delta(SigmaDelta)发射机电路和收发器使用相同
    • US07426377B2
    • 2008-09-16
    • US11207003
    • 2005-08-19
    • Satoshi TanakaKazuyuki HoriManabu KawabeYukinori AkamineMasumi KasaharaKazuo Watanabe
    • Satoshi TanakaKazuyuki HoriManabu KawabeYukinori AkamineMasumi KasaharaKazuo Watanabe
    • H04B1/06
    • H04B1/406H04B1/0003
    • A ΣΔ transmitter that permits setting of a loop filter LF, a charge pump current and other factors to the same conditions even if it is operated in a plurality of frequency bands, therefore allows the number of components to be reduced and at the same time enables the angle between the phases of local signals for reception use to be close to exactly 90°, which is a feature ensuring robustness against inter-element variations and accordingly suitable for large scale integration, is to be provided. The oscillation frequency of a VCO is set to an even-number multiple of the transmit frequency, and generates transmit signals via a divider. A device that varies the gain according to the amplitude component of modulating signals is added to an amplifier whose input is signals from the VCO, and the transmission of modulating signals involving amplitude modulation, such as EDGE, is thereby made possible.
    • 即使在多个频带中工作的情况下,也可以将环路滤波器LF,电荷泵电流和其他因素设定为相同条件的SigmaDelta发送器,因此允许减少部件的数量,并且同时启用 要提供用于接收的本地信号的相位之间的角度接近正好90°,这是确保对元件间变化的鲁棒性并因此适合于大规模集成的特征。 将VCO的振荡频率设定为发送频率的偶数倍,经由分频器生成发送信号。 根据调制信号的幅度分量来改变增益的装置被添加到其输入是来自VCO的信号的放大器,并且由此使得涉及幅度调制(例如EDGE)的调制信号的传输成为可能。
    • 19. 发明授权
    • Heat-sensitive recording body
    • 热敏记录体
    • US07846870B2
    • 2010-12-07
    • US11578790
    • 2005-04-21
    • Kazuo WatanabeKeiichi Inubushi
    • Kazuo WatanabeKeiichi Inubushi
    • B41M5/337
    • B41M5/3372B41M2205/04
    • A heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer, the heat-sensitive recording layer containing a leuco dye, a developer, and a copolymer resin emulsion, the copolymer resin emulsion comprising a copolymer resin, the copolymer resin (1) containing (i) (meth)acrylonitrile, and (ii) one or more vinyl monomers copolymerizable with (meth)acrylonitrile, and (2) having a solubility parameter of 12.0 or higher, above mentioned vinyl monomers (ii) include at least a carboxyl group-containing vinyl monomer, and said at least a carboxyl group-containing vinyl monomer is 1 to 10 mass % of the total mass of the copolymer resin.
    • 一种热敏记录材料,包括基材和热敏记录层,所述热敏记录层含有无色染料,显色剂和共聚物树脂乳液,所述共聚物树脂乳液包含共聚物树脂,共聚物树脂 1)含(i)(甲基)丙烯腈,和(ii)可与(甲基)丙烯腈共聚的一种或多种乙烯基单体和(2)溶解度参数为12.0以上的上述乙烯基单体(ii) 含羧基的乙烯基单体,所述至少含羧基的乙烯基单体为共聚物树脂总质量的1〜10质量%。
    • 20. 发明申请
    • METHOD FOR PRODUCING LAMINATED DIELECTRIC MATERIAL
    • 生产层压电介质材料的方法
    • US20100038014A1
    • 2010-02-18
    • US12582003
    • 2009-10-20
    • Satoru TOMENOYasuko OsakiKazuo WatanabeKatsuyoshi Nakayama
    • Satoru TOMENOYasuko OsakiKazuo WatanabeKatsuyoshi Nakayama
    • C03B29/00
    • H01G4/105C03C3/085C03C10/0036C03C10/0045C03C14/004C03C27/06H01B3/087H01G4/1218H05K1/0306H05K3/4611H05K3/4629
    • To provide a method for producing a laminated dielectric material using a stabilized glass.A method for producing a laminated dielectric material wherein the absolute value of the difference in the average linear expansion coefficient at from 50 to 350° C. between any adjacent dielectric layers is at most 15×10−7/° C.; at least one raw material layer before firing, comprises, as represented by mass %, from 50 to 80% of glass powder and from 20 to 50% of alumina powder; said glass powder comprises, as represented by mol %, from 45 to 60% of SiO2, from 2 to 10% of Al2O3, from 10 to 30% of BaO, from 10 to 20% of ZnO, etc.; and each of glass powders contained in two raw material layers adjacent to said raw material layer, comprises, as represented by mol %, from 45 to 55% of SiO2, from 2 to 20% of Al2O3, from 20 to 45% of MgO, etc.; and the glass transition temperature of the latter glass powder is higher by at least 50° C. than that of the former.
    • 提供一种使用稳定化玻璃制造叠层电介质材料的方法。 一种叠层电介质材料的制造方法,其中任何相邻电介质层之间的平均线性膨胀系数在50〜350℃之间的绝对值为15×10 -7 /℃以下。 烧成前的至少一个原料层,以质量%表示50〜80%的玻璃粉末和20〜50%的氧化铝粉末, 所述玻璃粉末以摩尔%表示,含有45〜60%的SiO 2,2〜10%的Al 2 O 3,10〜30%的BaO,10〜20%的ZnO等。 并且与所述原料层相邻的两个原料层中含有的玻璃粉末,以摩尔%表示,含有45〜55%的SiO 2,2〜20%的Al 2 O 3,20〜45%的MgO, 等等。; 并且后者玻璃粉末的玻璃化转变温度比前者高至少50℃。