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1. 发明申请

US20060238395A1 COMPLEX TYPE SIGMA-DELTA ANALOG TO DIGITAL CONVERSION UNIT AND RECEIVER 有权
标题翻译：复杂类型SIGMA-DELTA模拟到数字转换单元和接收器
公开(公告)号：US20060238395A1
公开(公告)日：2006-10-26
申请号：US11235338
申请日：2005-09-27
申请人： Toshiaki Nagai , Hiroshi Yamazaki
发明人： Toshiaki Nagai , Hiroshi Yamazaki
IPC分类号： H03M3/00
CPC分类号： H03M3/34 , H03M3/40
摘要： There is provided a complex type sigma-delta analog to digital conversion unit that includes: a first subtractor; a first filter; a first analog to digital converter; a first digital to analog converter; a first sign controller; a second subtractor; a second filter; a second analog to digital converter; a second digital to analog converter; and a second sign controller, wherein the first sign controller inverts a positive/negative sign of an output signal of the first filter in response to a control signal and outputs it to the second filter, and the second sign controller inverts a positive/negative sign of an output signal of the second filter in response to the control signal and outputs it to the first filter.
摘要翻译：提供了一种复杂类型的Σ-Δ模数转换单元，包括：第一减法器; 第一个过滤器; 第一个模数转换器; 第一个数模转换器; 第一个标志控制器; 第二个减法器第二个过滤器第二个模数转换器; 第二个数模转换器; 以及第二符号控制器，其中所述第一符号控制器响应于控制信号反转所述第一滤波器的输出信号的正/负符号，并将其输出到所述第二滤波器，并且所述第二符号控制器反转正/负号响应于控制信号的第二滤波器的输出信号，并将其输出到第一滤波器。

2. 发明授权

US07116254B1 Complex type sigma-delta analog to digital conversion unit and receiver 有权
标题翻译：复合型Σ-Δ模数转换单元和接收器
公开(公告)号：US07116254B1
公开(公告)日：2006-10-03
申请号：US11235338
申请日：2005-09-27
申请人： Toshiaki Nagai , Hiroshi Yamazaki
发明人： Toshiaki Nagai , Hiroshi Yamazaki
IPC分类号： H03M3/00
CPC分类号： H03M3/34 , H03M3/40
摘要： There is provided a complex type sigma-delta analog to digital conversion unit that includes: a first subtractor; a first filter; a first analog to digital converter; a first digital to analog converter; a first sign controller; a second subtractor; a second filter; a second analog to digital converter; a second digital to analog converter; and a second sign controller, wherein the first sign controller inverts a positive/negative sign of an output signal of the first filter in response to a control signal and outputs it to the second filter, and the second sign controller inverts a positive/negative sign of an output signal of the second filter in response to the control signal and outputs it to the first filter.
摘要翻译：提供了一种复杂类型的Σ-Δ模数转换单元，包括：第一减法器; 第一个过滤器; 第一个模数转换器; 第一个数模转换器; 第一个标志控制器; 第二个减法器第二个过滤器第二个模数转换器; 第二个数模转换器; 以及第二符号控制器，其中所述第一符号控制器响应于控制信号反转所述第一滤波器的输出信号的正/负符号，并将其输出到所述第二滤波器，并且所述第二符号控制器反转正/负号响应于控制信号的第二滤波器的输出信号，并将其输出到第一滤波器。

3. 发明授权

US5064363A Non-lubricated screw machine with a rotor having a taper and varied helical angle 失效
标题翻译：带润滑剂和变形螺旋角的转子非润滑螺丝机
公开(公告)号：US5064363A
公开(公告)日：1991-11-12
申请号：US493482
申请日：1990-03-14
申请人： Toshiaki Nagai
发明人： Toshiaki Nagai
IPC分类号： F04C18/16 , F01C1/08
CPC分类号： F04C18/084 , F04C18/16
摘要： A nonlubricated screw fluid machine comprising a pair of rotors including a male and a female screw rotors provided with a dual lead tooth profile on the basis of the difference in the temperature between the outlet side and the inlet side when forming a tapered rotors considering the temperature distribution within the rotors in which each of the shape of the male and female rotors after the thermal expansion is employed as a basic tooth profile.

4. 发明授权

US07173485B2 Phase-compensated filter circuit with reduced power consumption 有权
标题翻译：相位补偿滤波电路，功耗降低
公开(公告)号：US07173485B2
公开(公告)日：2007-02-06
申请号：US11058194
申请日：2005-02-16
申请人： Toshiaki Nagai
发明人： Toshiaki Nagai
IPC分类号： H03F1/36
CPC分类号： H03F3/45197 , H03F2203/45072 , H03F2203/45482 , H03H11/0455 , H03H11/0472 , H03M3/37 , H03M3/424 , H03M3/452
摘要： A filter circuit includes a plurality of integrator stages, each stage including a voltage-to-current converter to convert an input voltage into a current supplied to an output thereof and a capacitor coupled to the output of the voltage-to-current converter, a voltage charged in the capacitor being supplied to a next stage as an output of each stage, and a capacitor serving as a feed-forward coupling that couples the output of at least one stage of the plurality of integrator stages to a last output node.
摘要翻译：滤波器电路包括多个积分器级，每个级包括电压 - 电流转换器，用于将输入电压转换成提供给其输出的电流和耦合到电压 - 电流转换器的输出的电容器; 被提供给下一级的电容器中的电压作为每个级的输出，以及用作将多个积分器级的至少一级的输出耦合到最后输出节点的前馈耦合的电容器。

5. 发明授权

US07061416B2 Adaptive-type sigma-delta A/D converter 失效
标题翻译：自适应型Σ-ΔA / D转换器
公开(公告)号：US07061416B2
公开(公告)日：2006-06-13
申请号：US11049955
申请日：2005-02-04
申请人： Toshiaki Nagai
发明人： Toshiaki Nagai
IPC分类号： H03M3/00
CPC分类号： H03M3/48 , H03M3/49
摘要： A sigma-delta A/D converter includes an A/D converter configured to output a digital signal, a signal-magnitude detecting circuit coupled to the output of the A/D converter to output a control signal responsive to a magnitude indicated by the digital signal, a D/A converter coupled to the output of the A/D converter and the output of the signal-magnitude detecting circuit to output an analog signal having a signal level responsive to the digital signal and the control signal, a differential circuit coupled to an external analog input and the output of the D/A converter to output a differential between the external analog input and the analog signal, and a filter circuit to couple between the output of the differential circuit and an input of the A/D converter, wherein the D/A converter is configured to control, in response to the control signal, a capacitance of a capacitor that discharges following charging of electric charge to supply an electric current of the analog signal.
摘要翻译： Σ-ΔA/ D转换器包括被配置为输出数字信号的A / D转换器，耦合到A / D转换器的输出端的信号幅度检测电路，以响应于由数字信号信号，耦合到A / D转换器的输出的D / A转换器和信号幅度检测电路的输出，以输出响应于数字信号和控制信号的具有信号电平的模拟信号，差分电路耦合外部模拟输入和D / A转换器的输出端输出外部模拟输入和模拟信号之间的差分，以及滤波电路，用于耦合差分电路的输出和A / D转换器的输入，其中所述D / A转换器被配置为响应于所述控制信号来控制放电后续充电电荷以提供所述模拟信号的电流的电容器的电容。

6. 发明申请

US20060065820A1 MEASURING DEVICE 失效
标题翻译：测量工具
公开(公告)号：US20060065820A1
公开(公告)日：2006-03-30
申请号：US10648483
申请日：2003-08-27
申请人： Toshiaki Nagai
发明人： Toshiaki Nagai
IPC分类号： G02F1/01
CPC分类号： G01R33/032
摘要： Provided is a measuring device which has a focusing unit for focusing light flux from a light source and irradiating it to a magnetic substance to be measured, a half-turn asymmetric element acting only on the light flux reflected by the magnetic substance to be measured and acting in such a manner that its action on polarization distribution in a cross section of the light flux has asymmetry nature about half-turn around an optical axis in order to obtain sensitivity to in-plane magnetization vector components of the magnetic substance to be measured, and a polarization split detector for detecting a light amount of a polarization component in one direction or separated each component of polarization components orthogonal to each other of the light which receives action of the half-turn asymmetric element so that the in-plane magnetization vector component in one direction can be measured separately from other components.
摘要翻译：提供一种测量装置，其具有聚焦单元，用于聚焦来自光源的光束并将其照射到待测量的磁性物质，半对称不对称元件仅作用于被测量的磁性物质反射的光通量;以及为了获得对被测磁性物质的平面内磁化矢量分量的灵敏度，光束的横截面中的偏振分布的作用对于光轴围绕半角具有不对称性，以及偏振分割检测器，用于检测一个方向上的偏振分量的光量，或者分离出接收半匝不对称元件的作用的彼此正交的偏振分量的每个分量，使得面内磁化矢量分量在一个方向上可以与其他部件分开测量。

7. 发明授权

US6057677A Electrooptic voltage waveform measuring method and apparatus 失效
标题翻译：电光电压波形测量装置，具有电光效应的电光元件
公开(公告)号：US6057677A
公开(公告)日：2000-05-02
申请号：US844995
申请日：1997-04-23
申请人： Shin-ichi Wakana , Akinori Miyamoto , Soichi Hama , Kazuyuki Ozaki , Toshiaki Nagai
发明人： Shin-ichi Wakana , Akinori Miyamoto , Soichi Hama , Kazuyuki Ozaki , Toshiaki Nagai
IPC分类号： G01R13/34 , G01R31/308
CPC分类号： G01R31/308 , G01R13/347
摘要： An electrooptic voltage waveform measuring apparatus, which includes an electrooptic element having an electrooptic effect; a first electrode mounted on the electrooptic element and electrically coupled to an object to be measured; and a first light source irradiating a light on the electrooptic element. The electrooptic voltage waveform measuring apparatus further includes a polarization analyzer for analyzing a polarization state of the light passed through the electrooptic element and detecting a voltage waveform of the object; a second electrode mounted on the electrooptic element and separated from the first electrode; and an amplifier having an input terminal coupled to the second electrode and outputting a low-frequency component of the voltage waveform of the object. The electrooptic voltage waveform measuring apparatus further includes a voltage waveform combining processor obtaining a measured voltage waveform of the object by combining a high-frequency component of the voltage waveform of the object obtained from an output of the polarization analyzer and the low-frequency component of the voltage waveform of the object output from the amplifier.
摘要翻译：一种电光电压波形测量装置，其包括具有电光效应的电光元件; 安装在电光元件上并电耦合到待测量物体的第一电极; 以及将光照射在电光元件上的第一光源。电波电压波形测量装置还包括：偏振分析器，用于分析通过电光元件的光的偏振态，并检测物体的电压波形; 安装在电光元件上并与第一电极分离的第二电极; 以及放大器，其具有耦合到所述第二电极的输入端子并输出所述对象的电压波形的低频分量。电波电压波形测量装置还包括电压波形组合处理器，通过将从偏振分析器的输出获得的对象的电压波形的高频分量与低频分量的低频分量相组合，获得对象的测量电压波形从放大器输出的物体的电压波形。

8. 发明授权

US4915604A Rotors for a screw fluid machine 失效
标题翻译：螺杆流体机转子
公开(公告)号：US4915604A
公开(公告)日：1990-04-10
申请号：US228422
申请日：1988-08-05
申请人： Toshiaki Nagai
发明人： Toshiaki Nagai
IPC分类号： F04C18/16 , F04C18/08
CPC分类号： F04C18/084 , Y10T74/19972
摘要： A screw fluid machine comprising female and male rotors each including foward and backward flanks each having a reference profile, respectively, wherein on at least one of the forward and backward flanks of the female and male rotors a modified profile is obtained by appropriately angularly shifting the reference profile around a center of the associated rotor to provide proper backlash between the engaged rotors.
摘要翻译：一种螺旋流体机械，包括分别包括胎面和后侧面的雌性和雄性转子，每个转子分别具有参考轮廓，其中在雌性和雄性转子的前侧和后侧的至少一个侧面上，通过适当地角度地移动参考轮廓围绕相关联的转子的中心，以在接合的转子之间提供适当的间隙。

9. 发明授权

US4266023A Glycerol oxidase and process for the production thereof and method for the quantitative determination of glycerol by glycerol oxidase 失效
标题翻译：甘油氧化酶及其制备方法以及甘油氧化酶定量测定甘油的方法
公开(公告)号：US4266023A
公开(公告)日：1981-05-05
申请号：US95517
申请日：1979-11-19
申请人： Osamu Terada , Takayuki Uwajima , Akira Mihara , Kazuo Aisaka , Hiroko Akita , Toshiaki Nagai , Yoshiaki Shimizu
发明人： Osamu Terada , Takayuki Uwajima , Akira Mihara , Kazuo Aisaka , Hiroko Akita , Toshiaki Nagai , Yoshiaki Shimizu
IPC分类号： G01N33/92 , C12N9/04 , C12Q1/26 , C12Q1/44 , C12R1/645 , C12R1/66 , C12Q1/28
CPC分类号： C12N9/0006 , C12Q1/26 , Y10S435/817
摘要： Glycerol oxidase is an oxidizing enzyme of glycerol characterized by its ability to oxidize glycerol in the presence of oxygen to form hydrogen peroxide and glyceraldehyde. This enzyme is produced by cultivation of a microorganism belonging to the genus Aspergillus or the genus Neurospora in a nutrient medium.
摘要翻译：甘油氧化酶是甘油的氧化酶，其特征在于其在氧气存在下氧化甘油以形成过氧化氢和甘油醛的能力。该酶通过在营养培养基中培养属于曲霉属或神经孢子属的微生物而产生。

10. 发明授权

US4202941A Glycerol oxidase and process for the production thereof and method for the quantitative determination of glycerol by glycerol oxidase 失效
标题翻译：甘油氧化酶及其制备方法以及甘油氧化酶定量测定甘油的方法
公开(公告)号：US4202941A
公开(公告)日：1980-05-13
申请号：US897695
申请日：1978-04-19
申请人： Osamu Terada , Takayuki Uwajima , Akira Mihara , Kazuo Aisaka , Hiroko Akita , Toshiaki Nagai , Yoshiaki Shimizu
发明人： Osamu Terada , Takayuki Uwajima , Akira Mihara , Kazuo Aisaka , Hiroko Akita , Toshiaki Nagai , Yoshiaki Shimizu
IPC分类号： G01N33/92 , C12N9/04 , C12Q1/26 , C12Q1/44 , C12R1/645 , C12R1/66 , C07G7/028 , G01N31/14
CPC分类号： C12N9/0006 , C12Q1/26 , Y10S435/817
摘要： Glycerol oxidase is an oxidizing enzyme of glycerol characterized by its ability to oxidize glycerol in the presence of oxygen to form hydrogen peroxide and glyceraldehyde. This enzyme is produced by cultivation of a microorganism belonging to the genus Aspergillus or the genus Neurospora in a nutrient medium.
摘要翻译：甘油氧化酶是甘油的氧化酶，其特征在于其在氧气存在下氧化甘油以形成过氧化氢和甘油醛的能力。该酶通过在营养培养基中培养属于曲霉属或神经孢子属的微生物而产生。

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