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1. 发明专利

JP2014195368A Electric apparatus and electric system 审中-公开
标题翻译：电气设备和电气系统
公开(公告)号：JP2014195368A
公开(公告)日：2014-10-09
申请号：JP2013070765
申请日：2013-03-29
申请人： Tdk Corp , Tdk株式会社
发明人： ISHIDA TOMOHIKO , KAIDA YOSHIO
IPC分类号： H02J17/00 , H02J7/00 , H04B1/18
摘要： PROBLEM TO BE SOLVED: To provide an electric apparatus that outputs an electromagnetic wave to an external apparatus using electromagnetic waves and uses electromagnetic waves as electric power.SOLUTION: The electric apparatus includes: a rectification section that has a third output terminal for rectifying input electromagnetic waves and outputting them as electric power; a switching section that has a second output terminal for outputting electromagnetic waves to an input terminal for inputting electromagnetic waves and the rectification section and a first output terminal for outputting electromagnetic waves to an external apparatus utilizing electromagnetic waves; and a control section for controlling switching of the switching section. The electric system uses the external apparatus and an electric apparatus utilizing electromagnetic waves.
摘要翻译：要解决的问题：提供一种使用电磁波向外部设备输出电磁波并使用电磁波作为电力的电气设备。解决方案：电气设备包括：整流部分，具有第三输出端子，用于整流输入电磁将其作为电力输出; 切换部，其具有用于向输入端子输出电磁波的第二输出端子和整流部，以及利用电磁波向外部装置输出电磁波的第一输出端子; 以及用于控制切换部的切换的控制部。电气系统使用外部设备和利用电磁波的电气设备。

2. 发明专利

JP2012042353A Rotation angle and torque sensor 有权
标题翻译：旋转角度和扭矩传感器
公开(公告)号：JP2012042353A
公开(公告)日：2012-03-01
申请号：JP2010184284
申请日：2010-08-19
申请人： Tdk Corp , Tdk株式会社
发明人： KAIDA YOSHIO , IMAI TAKAHIRO , MIYAMOTO HIROKAZU
IPC分类号： G01D5/244 , G01B7/30 , G01D5/245 , G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a rotation angle and torque sensor capable of cancelling an axial runout and performing functions of a torque sensor as well as a rotation angle sensor.SOLUTION: A rotation angle and torque sensor 100 comprises: a first to a fourth magnetic sensors 10 to 13 fixed with respect to respective rotation axes: a magnetic rotor 1 which generates a cyclic first magnetic field with a first frequency at positions of the first and the third magnetic sensors 10 and 12 in accordance with a rotation of a first shaft 4; another magnetic rotor 2 which generates the cyclic first magnetic field with a second frequency at the positions of the second and the fourth magnetic sensors 11 and 13 in accordance with a rotation of a second shaft 5; an arithmetic circuit 30 which calculates a steering angle of a steering and a torque based on a calculation result obtained by performing a first calculation using outputs of the first and the third magnetic sensors 10 and 12 as well as the calculation result obtained by performing a second calculation using the outputs of the second and the fourth magnetic sensors 11 and 13. The first frequency and the second frequency are different from each other.
摘要翻译：要解决的问题：提供能够消除轴向跳动并执行扭矩传感器以及旋转角度传感器的功能的旋转角度和扭矩传感器。解决方案：旋转角度和扭矩传感器100包括：相对于相应旋转轴固定的第一至第四磁性传感器10至13：磁性转子1，其产生具有第一频率的循环第一磁场，位于第一和第三磁传感器10和12根据第一轴4的旋转; 另一个磁转子2，其根据第二轴5的旋转在第二和第四磁传感器11和13的位置处产生具有第二频率的循环第一磁场; 运算电路30，其基于通过使用第一和第三磁传感器10和12的输出执行第一次计算而获得的计算结果以及通过执行第二磁性传感器10和12获得的计算结果来计算转向的转向角和转矩。使用第二和第四磁传感器11和13的输出进行计算。第一频率和第二频率彼此不同。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011038917A Torque sensor and torque detection method 有权
标题翻译：扭矩传感器和扭矩检测方法
公开(公告)号：JP2011038917A
公开(公告)日：2011-02-24
申请号：JP2009187154
申请日：2009-08-12
申请人： Tdk Corp , Tdk株式会社
发明人： IMAI TAKAHIRO , MIYAMOTO HIROKAZU , KAIDA YOSHIO
IPC分类号： G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a torque sensor for detecting steering torque at a resolution higher than a detection resolution of a steering angle of a steering shaft. SOLUTION: The torque sensor 10 comprises: a magnetic sensor 300A for outputting a first detection signal including information on a rotation angle of the input shaft 61 of the steering shaft 60; a magnetic sensor 300C for outputting a second detection signal including information on a rotation angle of the output shaft 62 of the steering shaft 60; a differential amplifier 601 for outputting a differential output signal obtained by differentially amplifying the first and second detection signals at a gain G; an A-D converter 610 for converting the differential output signal to digital data; and a signal processing circuit 650 for calculating the steering torque based on a difference between the first and second detection signals obtained by dividing the digital data by the gain G, and calculating the steering angle of the input shaft 61 based on the first detection signal. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于以比转向轴的转向角的检测分辨率高的分辨率检测转向转矩的扭矩传感器。扭矩传感器10包括：磁传感器300A，用于输出包括关于转向轴60的输入轴61的旋转角度的信息的第一检测信号; 用于输出包括关于转向轴60的输出轴62的旋转角度的信息的第二检测信号的磁传感器300C; 差分放大器601，用于输出通过以增益G差分放大第一和第二检测信号而获得的差分输出信号; 用于将差分输出信号转换为数字数据的A-D转换器610; 以及信号处理电路650，用于基于通过将数字数据除以增益G获得的第一和第二检测信号之间的差计算转向转矩，并且基于第一检测信号计算输入轴61的转向角。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010261739A Torque detection device 有权
标题翻译：扭矩检测装置
公开(公告)号：JP2010261739A
公开(公告)日：2010-11-18
申请号：JP2009110660
申请日：2009-04-30
申请人： Tdk Corp , Tdk株式会社
发明人： KAIDA YOSHIO , MIYAMOTO HIROKAZU
IPC分类号： G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a steering sensor capable of detecting axial torque of a steering shaft with a simple structure.
SOLUTION: The steering shaft 60 includes an input shaft 61 and an output shaft 62 connected to each other via a torsion bar 63. The steering sensor 10 includes magnetic sensors 21A, 21B for detecting the absolute angle a rotor 71 fixed to the input shaft 61; magnetic sensors 41A, 41B for detecting the absolute angle of a rotor 72 fixed to the output shaft 62; and an arithmetic circuit for performing an operation on the axial torque on the steering shaft 60 on the basis of the difference between the absolute angle of the input shaft 61 and the absolute angle of the output shaft 62.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以简单结构检测转向轴的轴向扭矩的转向传感器。解决方案：转向轴60包括通过扭杆63彼此连接的输入轴61和输出轴62.转向传感器10包括磁传感器21A，21B，用于检测固定到输入轴61; 磁传感器41A，41B，用于检测固定在输出轴62上的转子72的绝对角度; 基于输入轴61的绝对角度与输出轴62的绝对角度之差，对转向轴60上的轴向转矩进行动作的运算电路。（C） 2011年，JPO＆INPIT

5. 发明专利

JP2006033421A Balancing circuit for communication line 审中-公开
标题翻译：通信线平衡电路
公开(公告)号：JP2006033421A
公开(公告)日：2006-02-02
申请号：JP2004209461
申请日：2004-07-16
申请人： Tdk Corp , Tdk株式会社
发明人： KAIDA YOSHIO , SAITO YOSHIHIRO
IPC分类号： H03H7/09 , H04B3/30 , H04B3/54
摘要： PROBLEM TO BE SOLVED: To suppress radiation noise generated by a communication line over the whole communication band by improving the balance of the communication line while preventing a normal mode signal in the communication band from attenuating as much as possible.
SOLUTION: A transformer T3 for balance improvement is united with a common mode noise suppressing circuit to combines advantages of the common mode noise suppressing circuit and balance improving circuit together, and then the normal mode signal in the communication band is hardly attenuated to greatly improve the balance of the communication line and also suppress radiation noise over the whole communication band.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过改善通信线路的平衡同时防止通信频带中的正常模式信号尽可能衰减，来抑制通信线路在整个通信频带上产生的辐射噪声。解决方案：用于平衡改进的变压器T3与共模噪声抑制电路相结合，将共模噪声抑制电路和平衡改善电路的优点结合在一起，然后通信频带中的正常模式信号几乎不衰减到大大提高通信线路的平衡，并抑制整个通信频段的辐射噪声。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2012042352A Rotation angle and torque sensor 有权
标题翻译：旋转角度和扭矩传感器
公开(公告)号：JP2012042352A
公开(公告)日：2012-03-01
申请号：JP2010184283
申请日：2010-08-19
申请人： Tdk Corp , Tdk株式会社
发明人： IMAI TAKAHIRO , KAIDA YOSHIO , MIYAMOTO HIROKAZU
IPC分类号： G01D5/245 , G01B7/30 , G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a rotation angle and torque sensor capable of achieving a space saving of a vehicle with reduced number of necessary components.SOLUTION: A rotation angle and torque sensor 100 comprises: a first and a second magnetic sensors 10 and 11 fixed with respect to respective rotation axes; a magnetic rotor 1 which generates a cyclic first magnetic field with a first periodicity at a position of the first magnetic sensor 10 in accordance with a rotation of a first shaft 4; another magnetic rotor 2 which generates the cyclic first magnetic field with a second periodicity at the position of the second magnetic sensor 11 in accordance with the rotation of a second shaft 5; and an arithmetic circuit 30 which calculates mechanical angles of the first and the second shafts 4 and 5 based on outputs of the first and the second magnetic sensors 10 and 11 as well as calculates a torque acting on the first shaft 5 based on the calculated mechanical angles of the first and the second shafts. The first periodicity and the second periodicity are different from each other.
摘要翻译：要解决的问题：提供能够实现具有减少的必需部件数量的车辆的节省空间的旋转角度和扭矩传感器。解决方案：旋转角度和扭矩传感器100包括：相对于各个旋转轴线固定的第一和第二磁性传感器10和11; 磁转子1，其根据第一轴4的旋转在第一磁传感器10的位置处产生具有第一周期性的循环第一磁场; 另一个磁转子2，其根据第二轴5的旋转在第二磁传感器11的位置处产生具有第二周期性的循环第一磁场; 以及算术电路30，其基于第一和第二磁传感器10和11的输出来计算第一和第二轴4和5的机械角度，并且基于所计算的机械学习计算作用在第一轴5上的扭矩第一和第二轴的角度。第一次周期性和第二次周期性彼此不同。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2010054495A Angle detecting apparatus and angle detecting method 有权
标题翻译：角度检测装置和角度检测方法
公开(公告)号：JP2010054495A
公开(公告)日：2010-03-11
申请号：JP2009030093
申请日：2009-02-12
申请人： Tdk Corp , Tdk株式会社
发明人： KAIDA YOSHIO , MIYAMOTO HIROKAZU , KIDO TOSHINAO , FUKUDA JUNYA
IPC分类号： G01D5/245 , G01D5/18
CPC分类号： G01B7/30
摘要： PROBLEM TO BE SOLVED: To provide an angle detecting apparatus having no limitation in the angle to be detected and an angle detecting method.
SOLUTION: The angle detecting apparatus 10 includes: a rotor 20 fixed to a rotating shaft 60; a pair of magnetic sensors 30A, 30B arranged close to the outer periphery of the rotor 20 so as to have a difference in angle (π/2) with respect to the center of rotation P of the rotor 20; a differential operational circuit 41 performing differential operation on detection signals output by the magnetic sensors 30A, 30B to output a differential signal, and the angle calculating circuit 50 calculating the angle of rotation of the rotating shaft 20 based on the differential signal. The planar shape of the rotor 20 is such that the sum (L1 + L2) of the distances (L1, L2) between the center of rotation P and the respective two points (Q1, Q2) where two straight lines crossing at the center of rotation P at a crossing angle of (π/2) cross the outer periphery of the rotor 20 is constant, and the planar shape is symmetric with respect to a straight line 94 passing through the center of rotation P.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种角度检测装置，其不影响检测角度和角度检测方法。角度检测装置10包括：固定到旋转轴60的转子20; 一对靠近转子20的外周配置的磁传感器30A，30B，以相对于转子20的旋转中心P的角度（π/ 2）为差; 差分运算电路41对由磁传感器30A，30B输出的检测信号执行差分运算以输出差分信号，角度计算电路50基于差分信号计算旋转轴20的旋转角度。转子20的平面形状使得在旋转中心P和两点（Q1，Q2）之间的距离（L1，L2）的和（L1，L2）与两个中心点与转子20的外周交叉的交角（π/ 2）的旋转P是恒定的，并且平面形状相对于通过旋转中心的直线94对称。版权所有（ C）2010，JPO＆INPIT

8. 发明专利

JP2010044046A Angle detecting apparatus and angle detecting method 有权
标题翻译：角度检测装置和角度检测方法
公开(公告)号：JP2010044046A
公开(公告)日：2010-02-25
申请号：JP2009030015
申请日：2009-02-12
申请人： Tdk Corp , Tdk株式会社
发明人： KAIDA YOSHIO , MIYAMOTO HIROKAZU , KIDO TOSHINAO
IPC分类号： G01D5/245 , G01D5/18
CPC分类号： G01D5/2448 , G01D5/145 , G01D5/24452 , G01D5/24476 , G01D5/2449
摘要： PROBLEM TO BE SOLVED: To propose an angle detecting apparatus and angle detecting method, free from any restrictions on detecting angles.
SOLUTION: The angle detecting apparatus 10 includes a rotor 20 fixed to a rotating shaft 60, a pair of magnetic sensors 30A and 30B diagonally disposed so as to output first and second detection signals, containing rotating angle information of the rotor 20, a differential computation circuit 41 differentially computing the first and second detection signals, and an angle calculation circuit 50 calculating a rotating angle of the rotating shaft 60 based on a result of differential computation by the differential computation circuit 41. A distance between two points where a straight line passing through a center of rotation P of the rotor 20 crosses a periphery of the rotor 20 is constant.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提出一种角度检测装置和角度检测方法，对检测角度没有任何限制。解决方案：角度检测装置10包括固定到旋转轴60的转子20，对角地布置成输出包含转子20的旋转角度信息的第一和第二检测信号的一对磁性传感器30A和30B，差分计算电路41差分地计算第一和第二检测信号;以及角度计算电路50，基于微分计算电路41的差分计算结果计算旋转轴60的旋转角度。通过转子20的旋转中心P的直线与转子20的周边交叉是恒定的。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2006238370A Balanced circuit in communication line and communication device 有权
标题翻译：通信线路和通信设备中的平衡电路
公开(公告)号：JP2006238370A
公开(公告)日：2006-09-07
申请号：JP2005053873
申请日：2005-02-28
申请人： Tdk Corp , Tdk株式会社
发明人： FURUKAWA HIROTADA , KAIDA YOSHIO
IPC分类号： H04B3/30 , H04B3/56
摘要： PROBLEM TO BE SOLVED: To provide a balanced circuit in a communication line capable of superimposing an ideal normal signal on a communication line by improving degree of balance of the communication line, thereby preventing the occurrence of a radiation noise on the communication line, and to provide a communication device.
SOLUTION: A plurality of connection points 24 are provided in the middle of a secondary winding 22 of a balun transformer T1, and the connection points 24 are switched and controlled so that a common mode current is reduced, thereby adjusting impedance between each of conductive wires 3, 4 of a balanced circuit 20 and a ground. In this way, the degree of balance between the conductive wires is improved and the ideal normal mode signal is superimposed on a power line communication line 1 to prevent the occurrence of the radiation noise.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了在通信线路中提供平衡电路，能够通过提高通信线路的平衡度而在通信线路上叠加理想的正常信号，从而防止在通信线路上发生辐射噪声，并提供通信设备。解决方案：在平衡不平衡变压器T1的次级绕组22的中间设置多个连接点24，并且连接点24被切换和控制，使得共模电流减小，由此调节每个的平衡电路20的导线3,4和接地。以这种方式，提高了导线之间的平衡度，并且将理想的正常模式信号叠加在电力线通信线路1上以防止辐射噪声的发生。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2011153916A Look-up table generation method, angle sensor, and scale 有权
标题翻译：查看表生成方法，角度传感器和尺度
公开(公告)号：JP2011153916A
公开(公告)日：2011-08-11
申请号：JP2010015577
申请日：2010-01-27
申请人： Tdk Corp , Tdk株式会社
发明人： IMAI TAKAHIRO , KAIDA YOSHIO , KITAGAWA HIROYA
IPC分类号： G01D5/244
摘要： PROBLEM TO BE SOLVED: To reduce a time for referring to a look-up table. SOLUTION: A method for generating the look-up table comprising array elements for holding a correspondence relationship between input values and output values is provided with: a step (101) for defining a correspondence relationship between addresses of the array elements and the input values; and a step (102) for storing the output values in the array elements having the addresses mapped to the input values. COPYRIGHT: (C)2011,JPO&INPIT

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