会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • SEMICONDUCTOR INTEGRATED CIRCUIT
    • 半导体集成电路
    • US20100052795A1
    • 2010-03-04
    • US12540248
    • 2009-08-12
    • Takahiro NakamuraTomomitsu KitamuraTaizo YamawakiTakayasu NorimatsuToshiya Uozumi
    • Takahiro NakamuraTomomitsu KitamuraTaizo YamawakiTakayasu NorimatsuToshiya Uozumi
    • H03L7/099
    • H03J3/20H03B5/1215H03B5/1228H03B5/1243H03B5/1265H03B5/1293H03J2200/10
    • The present invention provides a semiconductor integrated circuit capable of reducing a chip occupied area and reducing variations in control gain of a digitally controlled oscillator. The semiconductor integrated circuit is equipped with the digitally controlled oscillator. The digitally controlled oscillator comprises oscillation transistors and a resonant circuit. The resonant circuit comprises inductances, a frequency coarse-tuning variable capacitor array and a frequency fine-tuning variable capacitor array. The frequency coarse-tuning variable capacitor array comprises a plurality of coarse-tuning capacitor unit cells. The frequency fine-tuning variable capacitor array comprises a plurality of fine-tuning capacitor unit cells. The capacitance values of the coarse-tuning capacitor unit cells of the frequency coarse-tuning variable capacitor array are set in accordance with a binary weight 2M−1. The capacitance values of the fine-tuning capacitor unit cells of the frequency fine-tuning variable capacitor array are also set in accordance with a binary weight 2N−1.
    • 本发明提供一种能够减少芯片占用面积并减少数字控制振荡器的控制增益的变化的半导体集成电路。 半导体集成电路配有数字控制振荡器。 数字控制振荡器包括振荡晶体管和谐振电路。 谐振电路包括电感,频率粗调可变电容器阵列和频率微调可变电容器阵列。 频率粗调可变电容器阵列包括多个粗调谐电容器单元。 频率微调可变电容器阵列包括多个微调电容器单元。 频率粗调可变电容器阵列的粗​​调电容器单元的电容值根据二进制权重2M-1来设定。 频率微调可变电容器阵列的微调电容器单元的电容值也根据二进制权重2N-1设定。
    • 2. 发明授权
    • Quadrature modulator and semiconductor integrated circuit with it built-in
    • 正交调制器和半导体集成电路内置
    • US08299865B2
    • 2012-10-30
    • US12942533
    • 2010-11-09
    • Takahiro NakamuraTaizo YamawakiTakayasu NorimatsuTakao Kihara
    • Takahiro NakamuraTaizo YamawakiTakayasu NorimatsuTakao Kihara
    • H04L27/20H03C3/40
    • H04L27/36
    • A quadrature modulator has first to fourth transistors, a first node, a second node, and a first output node. A non-inversion in-phase analog signal, an inversion in-phase analog signal, a non-inversion quadrature analog signal, and an inversion quadrature analog signal are supplied to input electrodes of the first to fourth transistors, respectively. Control electrodes of the first to fourth transistors respond to a non-inversion in-phase RF signal, an inversion in-phase RF signal, a non-inversion quadrature RF signal, and an inversion quadrature RF signal, respectively. Output electrodes of the first and second transistors are coupled to the first node, and output electrodes of the third and fourth transistors are coupled to the second node. A first high-pass filter is coupled between the first node and the first output node, and a second high-pass filter is coupled between the second node and the first output node.
    • 正交调制器具有第一至第四晶体管,第一节点,第二节点和第一输出节点。 分别向第一至第四晶体管的输入电极提供非反相同相模拟信号,反相同相模拟信号,非反相正交模拟信号和反相正交模拟信号。 第一至第四晶体管的控制电极分别响应非反相同相RF信号,反相同相RF信号,非反相正交RF信号和反相正交RF信号。 第一和第二晶体管的输出电极耦合到第一节点,并且第三和第四晶体管的输出电极耦合到第二节点。 第一高通滤波器耦合在第一节点和第一输出节点之间,并且第二高通滤波器耦合在第二节点和第一输出节点之间。
    • 8. 发明授权
    • Process for production of modified conjugated diene rubber, modified conjugated diene rubber, and rubber composition
    • 改性共轭二烯橡胶,改性共轭二烯橡胶,橡胶组合物的制造方法
    • US09550840B2
    • 2017-01-24
    • US13638767
    • 2011-03-30
    • Takahiro NakamuraRyouji Tanaka
    • Takahiro NakamuraRyouji Tanaka
    • C08C19/44B60C1/00C08K3/04C08K3/36C08L15/00C08K5/544
    • C08C19/44B60C1/00C08K3/04C08K3/36C08K5/544C08L15/00
    • To provide a producing method of conjugated diene rubber which can be used as a starting material of cross-linked rubber which is used for such as tire tread and can enhance low fuel consumption performance.The method of producing modified conjugated diene rubber, comprising: a process step (a) wherein a conjugated diene polymer with an alkali metal or alkaline-earth metal active terminal, which polymer is obtained from polymerization of a conjugated diene compound or polymerization of a conjugated diene compound with an aromatic vinyl compound, is allowed to react with a hydrocarbyloxysilane compound having in its molecule at least one or more of each of the following functional groups (I): a hydrocarbyloxysilyl group and (II): a nitrogen-containing group formed by substituting one protective group for one hydrogen atom of a secondary amine, a tertiary amino group, an imino group, a pyridyl group to obtain a modified conjugated diene polymer with the functional group (II), and a process step (b) wherein the modified conjugated diene polymer produced in the process step (a) is mixed with an onium-forming agent.
    • 制备改性共轭二烯橡胶的方法包括:其中具有碱金属或碱土金属活性末端的共轭二烯聚合物的该方法步骤(a),该共聚物由共轭二烯化合物的聚合或共轭二烯化合物的聚合获得, 使具有芳族乙烯基化合物的二烯化合物与其分子中具有以下官能团(I)中的至少一种以上的烃氧基硅烷化合物反应:烃氧基甲硅烷基和(II):形成的含氮基团 通过用一个保护基团取代仲胺,叔氨基,亚氨基,吡啶基的一个氢原子,得到具有官能团(II)的改性共轭二烯聚合物,以及工艺步骤(b),其中 在工艺步骤(a)中制备的改性共轭二烯聚合物与成鎓剂混合。
    • 9. 发明申请
    • TIME-DOMAIN SPECTROSCOPY AND TIME-DOMAIN SPECTROSCOPIC ANALYSIS SYSTEM
    • 时域光谱和时域光谱分析系统
    • US20150028211A1
    • 2015-01-29
    • US14382802
    • 2012-03-30
    • Takahiro NakamuraNobuhiro Shiramizu
    • Takahiro NakamuraNobuhiro Shiramizu
    • G01N21/35
    • G01N21/3586G01N2201/06113
    • The time-domain spectroscopy analysis system includes a splitter for splitting pulsed light entered, a variable delayer for delaying timing of a first part of the pulsed light split by the splitter, an electromagnetic wave generator for converting a second part of the pulsed light split by the splitter into an electromagnetic wave, a detector for detecting measurement data from a pulse having passed through a measurement object subjected to the electromagnetic wave emitted from the electromagnetic wave generator, and the pulse outputted from the variable delayer, and a comparator for detecting a phase difference between the pulsed light before being entered into the electromagnetic wave generator and the pulsed light outputted from the variable delayer, wherein a result obtained by the comparator is fed back to the variable delayer.
    • 时域光谱分析系统包括用于分离入射的脉冲光的分光器,用于延迟由分光器分离的脉冲光的第一部分的定时的可变延迟器,电磁波发生器,用于将分裂的脉冲光的第二部分转换成 分离器成为电磁波,检测器,用于检测来自经受从电磁波发生器发射的电磁波的测量对象的脉冲的测量数据和从可变延迟器输出的脉冲;以及比较器,用于检测相位 在进入电磁波发生器之前的脉冲光与从可变延迟器输出的脉冲光之间的差异,其中由比较器获得的结果被反馈给可变延迟器。