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1. 发明申请

US20130166227A1 SYSTEM AND METHOD FOR AN ACOUSTIC MONITOR SELF-TEST 审中-公开
标题翻译：声学监测自检系统和方法
公开(公告)号：US20130166227A1
公开(公告)日：2013-06-27
申请号：US13337536
申请日：2011-12-27
申请人： Theodore M. Hermann , James V. Radomski
发明人： Theodore M. Hermann , James V. Radomski
IPC分类号： G01F23/296 , G06F19/00
CPC分类号： G01N29/14 , G01N29/30
摘要： A system for self-testing an acoustic monitor includes a memory that stores a reference acoustic power of a reference acoustic signal; a digital signal processor (DSP) that computes a real-time acoustic power spectrum of background noise in a frequency range of about 20 Hz to about 80 kHz; a microphone including analog signal conditioning circuitry that receives an acoustic test signal at a test frequency and sound pressure level (SPL), the SPL including an attenuation level; and a processor that compares a measured acoustic power at the test frequency with a calculated acoustic power of the acoustic test signal, the calculated acoustic power including the reference acoustic power and the attenuation level; where the acoustic monitor includes the DSP in signal communication with the microphone.
摘要翻译：用于对声学监测器进行自检的系统包括存储参考声信号的参考声功率的存储器; 数字信号处理器（DSP），其在约20Hz至约80kHz的频率范围内计算背景噪声的实时声功率谱; 包括模拟信号调理电路的麦克风，所述模拟信号调节电路以测试频率和声压级（SPL）接收声学测试信号，所述SPL包括衰减水平; 以及处理器，其将测试频率处的测量声功率与声学测试信号的计算声功率，所计算的声功率包括参考声功率和衰减水平进行比较; 其中声学监测器包括与麦克风进行信号通信的DSP。

2. 发明授权

US5831426A Magnetic current sensor 失效
标题翻译：磁流传感器
公开(公告)号：US5831426A
公开(公告)日：1998-11-03
申请号：US698903
申请日：1996-08-16
申请人： William C. Black, Jr. , Theodore M. Hermann
发明人： William C. Black, Jr. , Theodore M. Hermann
IPC分类号： G01R33/02 , G01R15/20 , G01R19/00 , G01R33/09 , H01L43/08 , G01R33/00
CPC分类号： G01R15/205 , G01R33/09
摘要： A current determiner having an output at which representations of input currents are provided having an input conductor for the input current and a current sensor supported on a substrate electrically isolated from one another but with the sensor positioned in the magnetic fields arising about the input conductor due to any input currents. The sensor extends along the substrate in a direction primarily perpendicular to the extent of the input conductor and is formed of at least a pair of thin-film ferromagnetic layers separated by a non-magnetic conductive layer. The sensor can be electrically connected to a electronic circuitry formed in the substrate including a nonlinearity adaptation circuit to provide representations of the input currents of increased accuracy despite nonlinearities in the current sensor, and can include further current sensors in bridge circuits.
摘要翻译：具有输出的电流确定器具有输入电流的表示，其具有用于输入电流的输入导体和支撑在彼此电隔离的基板上的电流传感器，但是传感器位于围绕输入导体的磁场中到任何输入电流。传感器沿着主要垂直于输入导体的范围的方向沿着衬底延伸，并且由至少一对被非磁性导电层隔开的薄膜铁磁层形成。传感器可以电连接到形成在衬底中的电子电路，其包括非线性适应电路，以提供尽管电流传感器中的非线性的增加的精度的输入电流的表示，并且可以在桥式电路中包括进一步的电流传感器。

3. 发明授权

US5729137A Magnetic field sensors individualized field reducers 失效
标题翻译：磁场传感器个性化场减速器
公开(公告)号：US5729137A
公开(公告)日：1998-03-17
申请号：US735218
申请日：1996-10-22
申请人： James M. Daughton , Theodore M. Hermann
发明人： James M. Daughton , Theodore M. Hermann
IPC分类号： G01R33/09 , H01L43/00
CPC分类号： G01R33/09
摘要： A magnetic field sensor having a plurality of interconnected magnetoresistive magnetic field sensing structures with at least one thereof having a permeable material mass adjacent thereto to shield it from externally applied magnetic fields. Another has a shunting structure adjacent a side thereof to remove a fraction of externally applied magnetic fields from affecting same.
摘要翻译：一种磁场传感器，具有多个互连的磁阻磁场感测结构，其中至少一个具有与其相邻的可渗透材料块，以将其与外部施加的磁场进行屏蔽。另一个具有邻近其侧面的分流结构以去除一部分外部施加的磁场而不影响其。

4. 发明授权

US06300617B1 Magnetic digital signal coupler having selected/reversal directions of magnetization 有权
标题翻译：具有选择/反转磁化方向的磁数字信号耦合器
公开(公告)号：US06300617B1
公开(公告)日：2001-10-09
申请号：US09261899
申请日：1999-03-03
申请人： James M. Daughton , Robert T. Fayfield , Theodore M. Hermann , John F. Stokes
发明人： James M. Daughton , Robert T. Fayfield , Theodore M. Hermann , John F. Stokes
IPC分类号： H01L3100
CPC分类号： G01R15/205 , H01L2224/48137 , H01L2924/0102 , H01L2924/01025 , H01L2924/01077 , H01L2924/01078 , H01L2924/13091 , H01L2924/14 , H01L2924/19041 , H01L2924/30107 , H01L2924/3011 , H01L2924/3025 , H04B5/00 , H04B5/0043 , H04B5/005
摘要： A current determiner having an output at which representations of input currents are provided comprising an input conductor for the input current and a current sensor supported on a substrate electrically isolated from one another but with the sensor positioned in the magnetic fields arising about the input conductor due to any input currents. The sensor extends along the substrate in a direction at an angle to the extent of the input conductor and is formed of at least a pair of thin-film ferromagnetic layers separated by a nonmagnetic layer with one of these two ferromagnetic thin-film layers having a magnetization that is substantially maintained in a selected direction despite the magnetic fields arising from the input currents causing reversals of direction of magnetization of that remaining one of these two ferromagnetic thin-film layers. This first current sensor is spaced apart from the input conductor at least in part by a polymeric electrical insulating material, and the input conductor can be provided on a mechanically stiff base supported on such material and provided with an electric field interrupter supporting such material between the first current sensor and the input conductor. The sensor can be electrically connected to a electronic circuitry formed in the substrate as a monolithic integrated circuit sharing a common reference, and two such monolithic integrated chips in a housing can provide duplex information signal transmission.
摘要翻译：具有输出的电流确定器包括输入电流的表示，其包括用于输入电流的输入导体和支撑在彼此电隔离的基板上的电流传感器，但是传感器位于围绕输入导体的磁场中到任何输入电流。传感器沿着与输入导体的程度成一定角度的方向沿着衬底延伸，并且由至少一对由非磁性层分离的薄膜铁磁层形成，其中这两个铁磁性薄膜层中的一个具有尽管从输入电流产生的磁场导致这两个铁磁性薄膜层中的剩余的一个的磁化方向的反转，但是基本保持在所选方向上的磁化。该第一电流传感器至少部分地由聚合物电绝缘材料与输入导体间隔开，并且输入导体可以设置在支撑在这种材料上的机械刚性基底上，并且设置有电场断续器，第一电流传感器和输入导体。传感器可以电连接到形成在衬底中的电子电路，作为共享共同参考的单片集成电路，并且外壳中的两个这样的单片集成芯片可以提供双工信息信号传输。

5. 发明授权

US06252390B1 Magnetically coupled signal isolator 有权
标题翻译：磁耦合信号隔离器
公开(公告)号：US06252390B1
公开(公告)日：2001-06-26
申请号：US09153665
申请日：1998-09-15
申请人： William C. Black, Jr. , Theodore M. Hermann
发明人： William C. Black, Jr. , Theodore M. Hermann
IPC分类号： G01R3300
CPC分类号： G01R15/205 , G01R33/09
摘要： A current determiner having an output at which representations of input currents are provided having an input conductor for the input current and a current sensor supported on a substrate electrically isolated from one another but with the sensor positioned in the magnetic fields arising about the input conductor due to any input currents. The sensor extends along the substrate in a direction primarily perpendicular to the extent of the input conductor and is formed of at least a pair of thin-film ferromagnetic layers separated by a non-magnetic conductive layer. The sensor can be electrically connected to electronic circuitry formed in the substrate including a nonlinearity adaptation circuit to provide representations of the input currents of increased accuracy despite nonlinearities in the current sensor, and can include further current sensors in bridge circuits.
摘要翻译：具有输出的电流确定器具有输入电流的表示，其具有用于输入电流的输入导体和支撑在彼此电隔离的基板上的电流传感器，但是传感器位于围绕输入导体的磁场中到任何输入电流。传感器沿着主要垂直于输入导体的范围的方向沿着衬底延伸，并且由至少一对被非磁性导电层隔开的薄膜铁磁层形成。传感器可以电连接到形成在衬底中的电子电路，包括非线性适应电路，以提供尽管电流传感器中的非线性的增加的精度的输入电流的表示，并且可以在桥式电路中包括进一步的电流传感器。

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