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    • 23. 发明申请
    • COMMUNICATION DEVICE, A COMMUNICATION SYSTEM AND A COMMUNICATION CONTROL METHOD
    • 通信设备,通信系统和通信控制方法
    • US20130003806A1
    • 2013-01-03
    • US13576901
    • 2011-03-15
    • Takahiro Adachi
    • Takahiro Adachi
    • H04B17/00
    • H04W52/262H04L1/0003H04L1/0021H04L27/0008H04L27/0012H04W24/00
    • Provided is a communication device which can handle variation in transmission power accompanying switching of a modulation system.Included are: a receiving unit which receives a signal for which modulation according to a modulation system including a first modulation system and a second modulation system is performed based on modulation system designation information by an external transmission device, demodulates the received signal based on modulation system control information, and outputs the received data; a reception level measurement unit which measures a signal level of the signal, and outputs a reception level; an information extracting unit which outputs the modulation system control information based on the received data; a designation information output unit which outputs the modulation system designation information according to a modulation system switching threshold which was set based on a transmission power variation width which is a variation width when transmission power at a time when the signal is transmitted by the transmission device varies before and after switching of the modulation system between the first modulation system and the second modulation system by the transmission device; and a transmission unit which transmits the modulation system designation information to the transmission device.
    • 提供了一种能够处理伴随调制系统切换的传输功率变化的通信设备。 包括:接收单元,接收根据外部传输设备的调制系统指定信息执行根据包括第一调制系统和第二调制系统的调制系统的调制的信号的信号,基于调制系统对接收信号进行解调 控制信息,并输出接收到的数据; 接收电平测量单元,其测量信号的信号电平,并输出接收电平; 信息提取单元,其基于所接收的数据输出调制系统控制信息; 指定信息输出单元,其根据当发送装置的信号发送时的发送功率发生变化时的发送功率变化宽度为发送功率变化宽度而设定的调制方式切换阈值输出调制方式指定信息 在所述第一调制系统和所述第二调制系统之间通过所述传输装置切换所述调制系统之前和之后; 以及将调制系统指定信息发送到发送装置的发送单元。
    • 24. 发明授权
    • Polycarbonate resin composition and electrophotographic photosensitive body using the same
    • 聚碳酸酯树脂组合物和使用其的电子照相感光体
    • US08338064B2
    • 2012-12-25
    • US12309682
    • 2007-07-25
    • Jun TajimaTakahiro Adachi
    • Jun TajimaTakahiro Adachi
    • G03G5/04
    • G03G5/0564C08G18/61C08G18/6511C08G18/664C08G18/758C08G77/38C08G77/388C08G77/458C08L69/00C08L75/04G03G5/0575G03G5/0578G03G5/0596C08L2666/20
    • A long-life electrophotographic photosensitive body having excellent wear resistance and crack resistance can be obtained by using a polycarbonate resin composition, which is obtained by blending 0.01-5 parts by weight of a silicone-modified polyurethane per 100 parts by weight of a polycarbonate resin, as a binder for photosensitive layer (or in case when the photosensitive layer is of multilayer type, for at least an electron transport layer) of the electrophotographic photosensitive body. The silicone-modified polyurethane is obtained by reacting a diol component (a) represented by the general formula (I) below, an active hydrogen-containing polysiloxane compound (b), a polyisocyanate component (c) and, if necessary, a chain extender (d). (In the formula (I), R1 and R2 independently represent a hydrogen atom or an alkyl group; R3 represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom or an alkoxycarbonyl group; M represents a single bond, a substituted or unsubstituted alkylene group or an oxyalkylene group; and n represents an integer of 0-4.
    • 通过使用聚碳酸酯树脂组合物,可以获得具有优异的耐磨性和抗裂性的长寿命的电子照相感光体,该聚碳酸酯树脂组合物是通过将0.01-5重量份的硅氧烷改性的聚氨酯与100重量份的聚碳酸酯树脂 ,作为电子照相感光体的感光层的粘合剂(或者在感光层为多层型的情况下,至少为电子传输层)。 硅氧烷改性聚氨酯通过使下述通式(I)表示的二醇成分(a),含活性氢的聚硅氧烷化合物(b),多异氰酸酯成分(c)和必要时的扩链剂 (d)。 (式(I)中,R 1和R 2分别表示氢原子或烷基,R 3表示氢原子,烷基,烷氧基,卤素原子或烷氧基羰基,M表示单键, 取代或未取代的亚烷基或氧化烯基; n表示0-4的整数。
    • 26. 发明申请
    • Resin composition for electrophotographic photoconductor and electrophotographic photoconductor using the same
    • 用于电子照相感光体的树脂组合物和使用其的电子照相感光体
    • US20090087761A1
    • 2009-04-02
    • US12232804
    • 2008-09-24
    • Noriyuki FukushimaTakahiro Adachi
    • Noriyuki FukushimaTakahiro Adachi
    • G03G5/06G03G5/047
    • G03G5/0578G03G5/0546G03G5/0564G03G5/0589G03G5/0592
    • The present invention provides a resin composition for an electrophotographic photoconductor having excellent image stability and abrasion resistance which comprises a polycarbonate resin and a polysiloxane group-containing A-B type block copolymer consisting of a polysiloxane group-containing copolymer segment-A formed by a vinyl monomer represented by the general formula (1) and a polysiloxane group-containing monomer and a polymer segment-B formed by a vinyl monomer represented by the general formula (1), wherein the content of said polysiloxane group-containing monomer is 10 to 85% by weight based upon said polysiloxane group-containing A-B type block copolymer, and the content of said polysiloxane group-containing A-B type block copolymer is 0.03 to 3 parts by weight based upon 100 parts by weight of said polycarbonate resin. (In the formula (1), R1 represents a hydrogen atom or a methyl group. R2 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, or a hydroxyalkyl group having 2 or 3 carbon atoms.)
    • 本发明提供了具有优异的图像稳定性和耐磨性的电​​子照相感光体用树脂组合物,其包含聚碳酸酯树脂和含有聚硅氧烷基团的AB型嵌段共聚物,所述共聚物嵌段共聚物是由乙烯基单体形成的聚硅氧烷基共聚物链段-A 由通式(1)和含聚硅氧烷基团的单体和由通式(1)表示的乙烯基单体形成的聚合物链段-B,其中所述含聚硅氧烷基团的单体的含量为10〜85% 基于所述含聚硅氧烷基的AB型嵌段共聚物的重量,所述含聚硅氧烷基的AB型嵌段共聚物的含量相对于所述聚碳酸酯树脂为100重量份为0.03〜3重量份。 (式(1)中,R 1表示氢原子或甲基,R 2表示氢原子,碳原子数1〜18的烷基或碳原子数2〜3的羟烷基)
    • 28. 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。