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1. 发明专利

JP2014066654A Electromagnetic acoustic transducer and electromagnetic acoustic flaw detector 审中-公开
标题翻译：电磁声学传感器和电磁声波检波器
公开(公告)号：JP2014066654A
公开(公告)日：2014-04-17
申请号：JP2012213333
申请日：2012-09-27
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IHATA KOUJI , KIMURA TOMONORI , MIYASHITA HIROAKI
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an electromagnetic acoustic transducer and an electromagnetic acoustic flaw detector which suppress mutual interference of static magnetic fields generated by adjacent magnetic field generators of the electromagnetic acoustic transducer so as to prevent the deterioration in inspection accuracy due to the mutual interference of the static magnetic fields.SOLUTION: An electromagnetic acoustic transducer includes: a coil 1 generating an eddy current in a test object 4; a plurality of electromagnets 2 applying a static magnetic field to the test object 4; and an electromagnet excitation part 3, which is connected to the plurality of electromagnets 2, for selecting and switching to one of the plurality of electromagnets 2, which is to be excited. An electromagnetic acoustic flaw detector including the electromagnetic acoustic transducer is also provided.
摘要翻译：要解决的问题：提供一种电磁声学换能器和电磁声波探伤仪，其抑制由电磁换能器的相邻磁场发生器产生的静磁场的相互干扰，以防止由于相互干扰导致的检查精度的劣化静电磁场。解决方案：电磁声换能器包括：在测试对象4中产生涡流的线圈1; 多个电磁体2将静磁场施加到测试对象4; 以及连接到多个电磁体2的电磁激励部3，用于选择并切换到要被激励的多个电磁体2中的一个。还提供了包括电磁声换能器的电磁声波探伤仪。

2. 发明专利

JP2014025781A Device, system, and method for ultrasonic measurement 有权
标题翻译：用于超声波测量的装置，系统和方法
公开(公告)号：JP2014025781A
公开(公告)日：2014-02-06
申请号：JP2012165602
申请日：2012-07-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KIMURA TOMONORI , OKAMOTO MINORU , WADAKA SHUZO , OCHI HIROYUKI
IPC分类号： G01N29/00 , G01N29/04 , G01N29/44
摘要： PROBLEM TO BE SOLVED: To solve a problem that conventional ultrasonic measurement devices, which provide improved propagation delay time measurement accuracy by using a zero-crossing frequency computed from zero-crossing points, do not provide operators with convenience of easily grasping propagation delay time just by looking at a display screen.SOLUTION: An ultrasonic wave propagates through an object 1 under measurement and is received by a receiver probe 3 to be converted to an electrical signal which is received by a receiver unit 12 of an ultrasonic measurement device 100. A waveform generator unit 13 generates a waveform with a spike formed in the vicinity of every zero-crossing point of the electrical signal to emphasize the zero-crossing points, which is displayed by a display unit 14.
摘要翻译：要解决的问题：为了解决通过使用从过零点计算的过零频率提供改善的传播延迟时间测量精度的常规超声测量装置不能为操作者提供方便地轻松掌握传播延迟时间的问题通过观察显示屏幕。解决方案：超声波通过测量对象1传播并被接收器探头3接收，以被转换成由超声波测量装置100的接收器单元12接收的电信号。波形发生器单元13产生具有在电信号的每个过零点附近形成的尖峰的波形，以强调由显示单元14显示的过零点。

3. 发明专利

JP2011214891A Array ultrasonic flaw detector 有权
标题翻译：阵列超声波检测器
公开(公告)号：JP2011214891A
公开(公告)日：2011-10-27
申请号：JP2010081113
申请日：2010-03-31
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KIMURA TOMONORI , IHATA KOUJI , HOSOYA AKIRA
IPC分类号： G01N29/26
摘要： PROBLEM TO BE SOLVED: To provide an array ultrasonic flaw detector capable of improving the SN ratio by reducing the surface echoes relative to flaw echoes, when performing automatic flaw detection which uses array probe.SOLUTION: The array ultrasonic flaw detector includes the array probe (10), having a plurality of excitation elements driven by receiving an excitation signal for having a test body irradiated with an ultrasonic beam via a contact medium, receiving an ultrasonic wave reflected by the test body surface and an acoustic discontinuous part inside the test body through the contact medium, and converting the ultrasonic waves into an electrical signal; and a transceiver (20) for driving the array probe, by transmitting the excitation signal and performing flaw detection of the test body by receiving the electric signal. When an excitation signal is transmitted or an electrical signal is received, the transceiver does not excite several elements or a single element on the center among the excitation elements in a covering range required for flaw detection of the test body, but will transmit the excitation signal to partially excited elements corresponding to several elements or a single element on both ends, and receives an electrical signal that is converted by the partially excited elements.
摘要翻译：要解决的问题：提供一种阵列超声波探伤仪，能够通过减少使用阵列探头的自动探伤来减少相对于缺陷回波的表面回波而提高SN比。解决方案：阵列超声波探伤仪包括阵列探针（ 10），具有多个激励元件，其通过接收激励信号而被驱动，所述激励信号具有经由接触介质照射超声波束的测试体，接收由所述测试体表反射的超声波和所述测试体内部的声学不连续部分接触介质，并将超声波转换成电信号; 以及用于通过发送激励信号并通过接收电信号执行测试体的探伤来驱动阵列探针的收发器（20）。当发送激励信号或接收到电信号时，收发器不会在测试体的缺陷检测所需的覆盖范围内激发激励元件中心的多个元件或单个元件，而是将激发信号对应于几个元件的部分激励元件或两端的单个元件，并且接收由部分激发的元件转换的电信号。

4. 发明专利

JP2007065760A Simulation device and simulation method 审中-公开
标题翻译：模拟装置和模拟方法
公开(公告)号：JP2007065760A
公开(公告)日：2007-03-15
申请号：JP2005247807
申请日：2005-08-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KIMURA TOMONORI , MISU KOICHIRO , KOIKE MITSUHIRO
IPC分类号： G06F19/00 , G06F17/50
摘要： PROBLEM TO BE SOLVED: To provide a simulation device which reduces a time required for simulation by limiting a calculation area to the portion where a user wishes to know a state of wave propagation to perform the simulation, and using a simple method substituting for Rayleigh integration when finding a signal received by a sensor. SOLUTION: This simulation device is provided with: a transmission acoustic field file storing an already calculated transmission acoustic field in an area of the portion inside a material, where a user wishes to know the state of the wave propagation; and an arithmetic device 1 for calculating an inner product between the already calculated transmission acoustic field stored in the transmission acoustic field file and a scattered acoustic field found in each calculation step, adding the inner products to find an amplitude, and for performing the simulation with the amplitude as an amplitude value of the reception signal about each coordinates inside the area over a prescribed time range. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种模拟装置，其通过将计算区域限制到用户希望知道波传播的状态以执行模拟的部分来减少模拟所需的时间，并且使用简单的方法代替用于在发现传感器接收到的信号时进行瑞利积分。解决方案：该模拟装置具有：传输声场文件，其存储在材料内部的区域中已经计算的传播声场，其中用户希望知道波传播的状态; 以及运算装置1，用于计算已经计算的在发送声场文件中存储的传输声场与在每个计算步骤中发现的散射声场之间的内积，将内积相加以找到振幅，并且用于执行用幅度作为接收信号的振幅值，关于区域内的每个坐标在规定的时间范围内。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006253929A Ebg material 审中-公开
标题翻译： EBG材料
公开(公告)号：JP2006253929A
公开(公告)日：2006-09-21
申请号：JP2005065871
申请日：2005-03-09
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IHATA KOUJI , MISU KOICHIRO , KIMURA TOMONORI
IPC分类号： H01Q15/14
摘要： PROBLEM TO BE SOLVED: To obtain an EBG material widening the band of a band gap while being miniaturized.
SOLUTION: The EBG material has a first substrate 1, in which a plurality of inductance elements 4 are formed on a surface, a second substrate 2 with a dielectric arranged on the rear side of the first substrate 1 and a conductor plate arranged on the reverse side to the first substrate 1 while holding the dielectric and a plurality of metallic small plates 3 having the same shapes disposed to upper sections of the plurality of inductance elements 4 so that each adjacent end is formed at regular intervals. The EBG material further has a plurality of connectors 5 electrically connecting the plurality of inductance elements 4 and the plurality of metallic small plates 3 to the conductor plate at every pair, respectively.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得在小型化的同时加宽带隙带的EBG材料。解决方案：EBG材料具有第一基板1，其中在表面上形成有多个电感元件4，第二基板2具有布置在第一基板1的后侧上的电介质和布置在该第一基板1上的导体板在保持电介质的同时与多个电感元件4的上部设置具有相同形状的多个金属小板3，使得每个相邻的端部以规则的间隔形成。 EBG材料还具有多个将多个电感元件4和多个金属小板3分别电连接到导电板的连接器5。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005321358A Adhesive state inspecting apparatus and method 有权
标题翻译：粘合状态检查装置和方法
公开(公告)号：JP2005321358A
公开(公告)日：2005-11-17
申请号：JP2004141340
申请日：2004-05-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KIMURA TOMONORI , MISU KOICHIRO , WADAKA SHUZO , TSUTSUMI SEISUKE , KOIKE MITSUHIRO
IPC分类号： G01N29/12 , G01H9/00 , G01H11/08 , G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an adhesive state inspecting apparatus and a method for inspecting an adhesive state, even if the adhesive state between two solids into which ultrasonic waves cannot enter, and when a product is large and abnormal section is small.
SOLUTION: When the adhesive state between a magnet 1 and a base material 2 is inspected, a coil 3 is provided in the vicinity of the magnet 1; a magnetic field is generated by applying an AC signal from a transceiver 5 to the coil 3; the magnet 1 is vibrated by electromagnetic induction action between a current created by the magnetic field and a magnetic field generated by the magnet 1; fluctuations due to the vibration of the magnet 1 are detected by a laser displacement gauge 4; and the adhesive state, between the magnet 1 and the base material 2, is inspected based on a detection signal.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供粘合状态检查装置和用于检查粘合状态的方法，即使超声波不能进入的两个固体之间的粘合状态，以及当产品大且异常部分小时。解决方案：当检查磁体1和基材2之间的粘合状态时，在磁体1附近设置线圈3; 通过从收发器5向线圈3施加AC信号来产生磁场; 磁体1通过由磁场产生的电流和由磁体1产生的磁场之间的电磁感应作用振动; 通过激光位移计4检测由磁体1的振动引起的波动; 并且基于检测信号检查磁体1和基材2之间的粘合状态。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2004301801A Ultrasonic flaw detection method and apparatus 有权
公开(公告)号：JP2004301801A
公开(公告)日：2004-10-28
申请号：JP2003097998
申请日：2003-04-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KIMURA TOMONORI , MISU KOICHIRO , WADAKA SHUZO , NAITO SATORU , BABA TOSHIYASU
IPC分类号： G01N29/04 , G01N29/11 , G01N29/22 , G01N29/38 , G01N29/10
CPC分类号： G01N29/11 , G01N2291/044
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detection method capable of evaluating a joint member of which the joint state of part of the joint part is defective and the other parts are satisfactory.
SOLUTION: The ultrasonic flaw detection method comprises a step for arranging a joint material having an area smaller than that of each opposed surface of a base material and a material to be joined in a gap between the base material and the material to be joined; a step for detecting a depletion region in the opposed surfaces to which the joining material is not opposed; a step for joining the base material and the material to be joined between which the joint material is arranged; a step for irradiating the material to be joined included in the depletion region with an ultrasonic beam; and a step for receiving echoes reflected at the interface between the material to be joined included in the depletion region and the material to be joined. When the intensity of the echoes is larger than a previously set threshold value, joint failure is determined.
COPYRIGHT: (C)2005,JPO&NCIPI

8. 发明专利

JP2003057212A Ultrasonic flaw-detection apparatus 有权
标题翻译：超声波检测装置
公开(公告)号：JP2003057212A
公开(公告)日：2003-02-26
申请号：JP2001248164
申请日：2001-08-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAMEYAMA SHUNPEI , KIMURA TOMONORI , MISU KOICHIRO , WADAKA SHUZO
IPC分类号： G01N29/04 , G01N29/08
CPC分类号： G01N2291/044 , G01N2291/048
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flaw-detection apparatus that has a check function for checking the contact state of a plurality of transmission elements to a test piece, corrects a reception signal based on the check result, and by combining the data after correction to achieve a state that is equivalent to the transmission of a single-mode Lamb wave.
SOLUTION: The ultrasonic flaw-detection apparatus comprises a plurality of groups of transmission/reception elements 4, comprising at least one transmission/reception element 3 for transmitting Lamb waves, consisting of a plurality modes into a test piece 1 and receiving the reflected signals, a transmission/reception section 5 for transmitting signals to the groups of transmission/reception elements, and a signal-processing section 6 for processing a signal, that is received by the transmission/reception section. A plurality of transmission/reception elements are arranged in a direction of orthogonally crossing the transmission direction of the Lamb waves. The signal-processing section has a check function for checking the contact state of the groups of transmission/reception elements to the test piece, and a mode identification function for identifying a desired mode in reception from a plurality of Lamb wave modes.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种具有用于检查多个发送元件与测试件的接触状态的检查功能的超声波探伤装置，基于检查结果校正接收信号，并且通过将接收信号校正以达到相当于单模兰姆波的传输的状态。解决方案：超声波探伤装置包括多组发送/接收元件4，包括至少一个发送/接收元件3，用于将由多个模式组成的兰姆波发射到测试片1中并接收反射信号，用于将信号发送到发送/接收元件组的发送/接收部分5以及由发送/接收部分接收的用于处理信号的信号处理部分6。多个发送/接收元件布置在与兰姆波的发送方向正交的方向上。信号处理部分具有用于检查发送/接收元件组到测试片的接触状态的检查功能，以及用于从多个兰姆波模式中识别接收期望的模式的模式识别功能。

9. 发明专利

JP2012191429A Aerial ultrasonic sensor 有权
标题翻译：空气超声波传感器
公开(公告)号：JP2012191429A
公开(公告)日：2012-10-04
申请号：JP2011053054
申请日：2011-03-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IHATA KOUJI , KIMURA TOMONORI , MIYASHITA HIROAKI , INOUE SATORU
IPC分类号： H04R13/00 , B06B1/04 , G01S7/521 , H04R23/00
摘要： PROBLEM TO BE SOLVED: To properly transmit/receive ultrasonic waves while preventing a deterioration in designability of an appearance of a mounting object by a simple constitution.SOLUTION: An aerial ultrasonic sensor 1 comprises: a diaphragm that is constituted by fixing flat plates 12 and 13 together; a magnetic field generating section 11 that makes the diaphragm generate a magnetic field; and a coil 14 that makes the diaphragm generate an eddy current by making an electric current flow through a magnetic field area generated by the magnetic field generating section 11. Ultrasonic waves are generated by vibrating the diaphragm by interaction between the magnetic field and the eddy current.

10. 发明专利

JP2008190984A Noncontact flaw detecting apparatus 审中-公开
标题翻译：非接触式检测装置
公开(公告)号：JP2008190984A
公开(公告)日：2008-08-21
申请号：JP2007025305
申请日：2007-02-05
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IHATA KOUJI , KIMURA TOMONORI , MISU KOICHIRO
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To acquire a noncontact flaw detecting apparatus for detecting a flaw existing in a specimen at high accuracy, without having to move an electromagnetic ultrasonic probe.
SOLUTION: The noncontact flaw detecting apparatus comprises the electromagnetic ultrasonic probe 1, having a coil 2 for generating an eddy current in the specimen 7 and magnets 3a, 3b for applying a static magnetic field to a region in which the eddy current is generated, disposed on a surface of the specimen 7; internally transmitting ultrasonic waves to the specimen by using the Lorentz force generated by an interaction between the eddy current and the static magnetic field; and receiving the ultrasonic waves, reflected from an acoustically-discontinuous section 9 within the specimen; and a driving/controlling/receiving/processing section 100 for operating the electromagnetic ultrasonic probe 1 at a plurality of drive frequencies, comparing waveforms of a plurality of the ultrasonic waves corresponding to a plurality of the drive frequencies received by the electromagnetic ultrasonic probe 1, and detecting a position of the acoustically-discontinuous section 9.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获取用于高精度地检测样本中存在的缺陷的非接触缺陷检测装置，而不必移动电磁超声波探头。解决方案：非接触式探伤装置包括具有用于在试样7中产生涡流的线圈2的电磁超声波探头1和将静磁场施加到涡电流为产生，设置在样品7的表面上; 通过使用由涡电流和静磁场之间的相互作用产生的洛伦兹力将超声波内部传输到样品; 并接收从样本内的声学不连续部分9反射的超声波; 以及用于以多个驱动频率操作电磁超声波探头1的驱动/控制/接收/处理部分100，比较与由电磁超声波探头1接收的多个驱动频率对应的多个超声波的波形，并检测声学不连续部分9的位置。版权所有：（C）2008，JPO＆INPIT

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