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    • 23. 发明授权
    • Process for producing polycarbonate resin with high flowability
    • 具有高流动性的聚碳酸酯树脂的制造方法
    • US5969084A
    • 1999-10-19
    • US59412
    • 1998-04-14
    • Takahiro AdachiToshiaki Takata
    • Takahiro AdachiToshiaki Takata
    • C08G64/24C08G64/00
    • C08G64/24
    • A process for producing a polycarbonate resin with high flowability having a viscosity average molecular weight (Mv) of 13,000 to 20,000 according to an interfacial polymerization method which comprises the steps of forming a reaction mixture while injecting phosgene into bisphenol, after the completion of injection of phosgene, adding a tetraammonium salt to the reaction mixture, then, conducting polycondensation reaction, after a viscosity average molecular weight (Mv) of a reaction mixture containing the resultant reaction products has reached to 3,000 or above and less than 6,000, adding a molecular weight modifier to the reaction mixture, further conducting polycondensation reaction, and thereby obtaining the polycarbonate resin.
    • 根据界面聚合方法制备粘度平均分子量(Mv)为13,000〜20,000的高流动性的聚碳酸酯树脂的方法,该方法包括以下步骤:在将光气注入双酚中之后形成反应混合物,注射完成后 光气,向反应混合物中加入四铵盐,然后在含有所得反应产物的反应混合物的粘均分子量(Mv)达到3,000以上且小于6,000之后进行缩聚反应,加入分子量 改性剂进一步进行缩聚反应,得到聚碳酸酯树脂。
    • 26. 发明授权
    • Electrophotographic photoreceptor
    • 电子照相感光体
    • US08574799B2
    • 2013-11-05
    • US12227356
    • 2007-05-16
    • Takahiro Adachi
    • Takahiro Adachi
    • G03G15/04
    • G03G5/0564G03G5/0592G03G5/0596
    • This invention provides an electrophotographic photoreceptor having improved resistance to soiling by a human body-derived substance and a high image stability. The electrophotographic photoreceptor comprises an electroconductie substrate and a photosensitive layer provided on the substrate and is characterized in that the photosensitive layer contains, as a binder resin, a polycarbonate resin comprising constituent units represented by the following formula (A) and the following formula (B), wherein R1 to R4 represent a hydrogen atom, a methyl group or the like; and X represents an alkylene group or the like. 3 to 50% by weight of the total constituent units is accounted for by the constituent units of formula (A) and the intrinsic viscosity is 0.3 to 2 dl/g. [Chemical formula 1] (A)(B).
    • 本发明提供了具有改善的抗人体衍生物质污染性和高图像稳定性的电子照相感光体。 电子照相感光体包括电导基体和设置在基底上的感光层,其特征在于感光层含有作为粘合剂树脂的包含由下式(A)和下式(B)表示的构成单元的聚碳酸酯树脂 ),其中R 1至R 4表示氢原子,甲基等; X表示亚烷基等。 总组成单元的3〜50重量%由式(A)的构成单元计,特性粘度为0.3〜2dl / g。 [化学式1](A)(B)。
    • 28. 发明申请
    • COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD AND A COMPUTER-READABLE STORAGE MEDIUM
    • 通信设备,通信控制方法和计算机可读存储介质
    • US20120170626A1
    • 2012-07-05
    • US13394763
    • 2010-09-14
    • Takahiro Adachi
    • Takahiro Adachi
    • H04B1/38
    • H04W52/12H04L27/0008H04W52/08H04W52/262
    • A communication device includes: a reception element for receiving a signal treated with a setting of a modulation scheme based on a modulation scheme designation information and a controlling of a transmission power based on the transmission power designation information by an external transmitter, demodulating the received signal based on a modulation scheme control information, and outputting a received data; a reception level measurement element for measuring a signal level of the signal and outputting the reception level; a designation information output element for outputting the transmission power designation information correlated to the modulation scheme designation information and the modulation scheme based on the reception level; and a transmission element for transmitting the modulation scheme designation information and the transmission power designation information for the transmitter.
    • 通信装置包括:接收元件,用于基于调制方式指定信息接收基于调制方式的设置的信号,以及基于外部发送机的发送功率指定信息的发送功率的控制,对接收信号进行解调 基于调制方案控制信息,并输出接收到的数据; 接收电平测量元件,用于测量信号的信号电平并输出接收电平; 指定信息输出单元,用于基于接收电平输出与调制方式指定信息和调制方式相关的发送功率指定信息; 以及用于发送用于发射机的调制方式指定信息和发送功率指定信息的发送元件。