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    • 14. 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)。
    • 16. 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。
    • 18. 发明申请
    • 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感光体
    • US20100047704A1
    • 2010-02-25
    • US12309682
    • 2007-07-25
    • Jun TajimaTakahiro Adachi
    • Jun TajimaTakahiro Adachi
    • G03G5/047C08L69/00C08L75/04G03G5/05
    • 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。)
    • 20. 发明申请
    • Demodulator and phase compensation method thereof
    • 解调器及其相位补偿方法
    • US20060189295A1
    • 2006-08-24
    • US11355265
    • 2006-02-15
    • Takahiro Adachi
    • Takahiro Adachi
    • H04B1/16
    • H04L27/0014H04L2027/003H04L2027/0046H04L2027/0057
    • The exemplary demodulator of the present invention can eliminate effectively a phase fluctuation which cannot be fully eliminated by a carrier recovery loop (feedback loop), with subsequent feed-forward phase compensation loop which shares a phase detector of the carrier recovery loop. A carrier recovery loop receives a digital signal after a semi-synchronous detection, detects a phase shift of the digital signal to a predefined phase position in rectangular coordinate, and compensates for the phase of the received digital signal by a first compensation value on the basis of the detected phase shift to generate an output signal. A feed-forward phase compensation loop generates an average value of the phase shift, and compensates for the phase of the output signal by a second compensation value on the basis of the averaged phase shift value.
    • 本发明的示例性解调器可以有效地消除载波恢复环路(反馈环路)不能完全消除的相位波动,其中共享载波恢复环路的相位检测器的后续前馈相位补偿环路。 载波恢复回路在半同步检测后接收数字信号,检测数字信号的相移到矩形坐标中的预定义相位位置,并且基于第一补偿值补偿接收到的数字信号的相位 检测相移以产生输出信号。 前馈相位补偿回路产生相移的平均值,并且基于平均相移值补偿输出信号的相位第二补偿值。