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1. 发明授权

US06362615B1 Electro-optic voltage sensor for sensing voltage in an E-field 有权
标题翻译：用于在电场中感测电压的电光电压传感器
公开(公告)号：US06362615B1
公开(公告)日：2002-03-26
申请号：US09386937
申请日：1999-08-31
申请人： James R. Davidson , Thomas M. Crawford , Gary D. Seifert
发明人： James R. Davidson , Thomas M. Crawford , Gary D. Seifert
IPC分类号： G01R1524
CPC分类号： G01R15/242 , G01R1/071
摘要： A miniature electro-optic voltage sensor and system capable of accurate operation at high voltages has a sensor body disposed in an E-field. The body receives a source beam of electromagnetic radiation. A polarization beam displacer separates the source light beam into two beams with orthogonal linear polarizations. A wave plate rotates the linear polarization to rotated polarization. A transducer utilizes Pockels electro-optic effect and induces a differential phase shift on the major and minor axes of the rotated polarization in response to the E-field. A prism redirects the beam back through the transducer, wave plate, and polarization beam displacer. The prism also converts the rotated polarization to circular or elliptical polarization. The wave plate rotates the major and minor axes of the circular or elliptical polarization to linear polarization. The polarization beam displacer separates the beam into two beams of orthogonal linear polarization representing the major and minor axes. The system may have a transmitter for producing the beam of electro-magnetic radiation; a detector for converting the two beams into electrical signals; and a signal processor for determining the voltage.
摘要翻译：能够在高电压下精确操作的微型电光电压传感器和系统具有设置在电场中的传感器体。身体接收电磁辐射源束。偏振光束置换器将源光束分离成具有正交线性偏振的两个光束。波片将线性偏振旋转为旋转极化。传感器利用普克尔斯电光效应，并响应于电场在旋转极化的主轴和短轴上引起微分相移。棱镜通过传感器，波片和偏振光束置换器将光束重定向。棱镜还将旋转的偏振转换为圆形或椭圆偏振。波片将圆形或椭圆形极化的主轴和短轴旋转为线偏振。偏振光束置换器将光束分成两个表示主轴和短轴的正交线偏振光束。该系统可以具有用于产生电磁辐射束的发射器; 用于将两个光束转换成电信号的检测器; 以及用于确定电压的信号处理器。

2. 发明授权

US06621258B2 Electro-optic high voltage sensor 有权
标题翻译：电光高压传感器
公开(公告)号：US06621258B2
公开(公告)日：2003-09-16
申请号：US10100391
申请日：2002-03-15
申请人： James R. Davidson , Gary D. Seifert
发明人： James R. Davidson , Gary D. Seifert
IPC分类号： G01R3100
CPC分类号： G01R15/24
摘要： A small sized electro-optic voltage sensor capable of accurate measurement of high voltages without contact with a conductor or voltage source is provided. When placed in the presence of an electric field, the sensor receives an input beam of electromagnetic radiation. A polarization beam displacer separates the input beam into two beams with orthogonal linear polarizations and causes one linearly polarized beam to impinge a crystal at a desired angle independent of temperature. The Pockels effect elliptically polarizes the beam as it travels through the crystal. A reflector redirects the beam back through the crystal and the beam displacer. On the return path, the polarization beam displacer separates the elliptically polarized beam into two output beams of orthogonal linear polarization. The system may include a detector for converting the output beams into electrical signals and a signal processor for determining the voltage based on an analysis of the output beams.
摘要翻译：提供了能够精确测量高电压而不与导体或电压源接触的小尺寸电光电压传感器。当放置在电场的情况下，传感器接收输入的电磁辐射束。偏振光束置换器将输入光束分离成具有正交线性偏振的两个光束，并且使得一个线性偏振光束以独立于温度的期望角度撞击晶体。波克尔效应在波束穿过晶体时椭圆偏振。反射器通过晶体和光束置换器重新引导光束。在返回路径上，偏振光束置换器将椭圆偏振光束分离为两个正交线性偏振的输出光束。该系统可以包括用于将输出光束转换成电信号的检测器和用于基于输出光束的分析来确定电压的信号处理器。

3. 发明授权

US06388434B1 Electro-optic high voltage sensor 有权
标题翻译：电光高压传感器
公开(公告)号：US06388434B1
公开(公告)日：2002-05-14
申请号：US09483838
申请日：2000-01-17
申请人： James R. Davidson , Gary D. Seifert
发明人： James R. Davidson , Gary D. Seifert
IPC分类号： G01R3100
CPC分类号： G01R15/24
摘要： A small sized electro-optic voltage sensor capable of accurate measurement of high levels of voltages without contact with a conductor or voltage source is provided. When placed in the presence of an electric field, the sensor receives an input beam of electromagnetic radiation into the sensor. A polarization beam displacer serves as a filter to separate the input beam into two beams with orthogonal linear polarizations. The beam displacer is oriented in such a way as to rotate the linearly polarized beams such that they enter a Pockels crystal having at a preferred angle of 45 degrees. The beam displacer is therefore capable of causing a linearly polarized beam to impinge a crystal at a desired angle independent of temperature. The Pockels electro-optic effect induces a differential phase shift on the major and minor axes of the input beam as it travels through the Pockels crystal, which causes the input beam to be elliptically polarized. A reflecting prism redirects the beam back through the crystal and the beam displacer. On the return path, the polarization beam displacer separates the elliptically polarized beam into two output beams of orthogonal linear polarization representing the major and minor axes. The system may include a detector for converting the output beams into electrical signals, and a signal processor for determining the voltage based on an analysis of the output beams. The output beams are amplitude modulated by the frequency of the electric field and the amplitude of the output beams is proportional to the magnitude of the electric field, which is related to the voltage being measured.
摘要翻译：提供了一种能够精确测量高电平而不与导体或电压源接触的小尺寸电光电压传感器。当存在电场时，传感器将电磁辐射的输入光束接收到传感器中。偏振光束置换器用作滤光器，以将输入光束分成具有正交线性偏振的两个光束。光束置换器被定向成使线性偏振光束旋转，使得它们进入具有45度的优选角度的普克尔斯晶体。因此，光束置换器能够使线性偏振光束以独立于温度的期望角度撞击晶体。 Pockels电光效应在输入光束穿过普克尔斯晶体时，在输入光束的主轴和短轴上产生差分相移，这导致输入光束被椭圆偏振。反射棱镜通过晶体和光束置换器将光束重定向。在返回路径上，偏振光束置换器将椭圆偏振光束分成两个表示主轴和短轴的正交线性偏振的输出光束。该系统可以包括用于将输出光束转换成电信号的检测器，以及用于基于输出光束的分析来确定电压的信号处理器。输出光束由电场的频率进行幅度调制，并且输出光束的幅度与电场的幅度成正比，这与被测电压有关。

4. 发明授权

US5593509A Portable thermo-photovoltaic power source 失效
标题翻译：便携式热电光伏电源
公开(公告)号：US5593509A
公开(公告)日：1997-01-14
申请号：US406236
申请日：1995-03-17
申请人： Anthony C. Zuppero , Barton Krawetz , C. Rodger Barklund , Gary D. Seifert
发明人： Anthony C. Zuppero , Barton Krawetz , C. Rodger Barklund , Gary D. Seifert
IPC分类号： H01L31/04 , H01L31/058
CPC分类号： H02S10/30
摘要： A miniature thermo-photovoltaic (TPV) device for generation of electrical power for use in portable electronic devices. A TPV power source is constructed to provide a heat source chemical reactor capable of using various fuels, such as liquid hydrocarbons, including but not limited to propane, LPG, butane, alcohols, oils and diesel fuels to generate a source of photons. A reflector dish guides misdirected photon energy from the photon source toward a photovoltaic array. A thin transparent protector sheet is disposed between the photon source and the array to reflect back thermal energy that cannot be converted to electricity, and protect the array from thermal damage. A microlens disposed between the protector sheet and the array further focuses the tailored band of photon energy from the photon source onto an array of photovoltaic cells, whereby the photon energy is converted to electrical power. A heat recuperator removes thermal energy from reactor chamber exhaust gases, preferably using mini- or micro-bellows to force air and fuel past the exhaust gases, and uses the energy to preheat the fuel and oxidant before it reaches the reactor, increasing system efficiency. Mini- or micro-bellows force ambient air through the system both to supply oxidant and to provide cooling. Finally, an insulator, which is preferably a super insulator, is disposed around the TPV power source to reduce fuel consumption, and to keep the TPV power source cool to the touch so it can be used in hand-held devices.
摘要翻译：用于产生用于便携式电子设备的电力的微型热电光伏（TPV）装置。 TPV电源被构造成提供能够使用各种燃料的热源化学反应器，例如液体烃，包括但不限于丙烷，LPG，丁烷，醇，油和柴油燃料，以产生光子源。反射器盘将从光子源的误导光子能量引向光伏阵列。在光子源和阵列之间设置一个薄的透明保护片以反射不能转换成电的热能，并保护阵列免受热损伤。设置在保护片和阵列之间的微透镜进一步将来自光子源的定制的光子能量带聚焦到光伏电池阵列上，由此将光子能量转换成电功率。热回收器从反应器室排气中去除热能，优选使用微型或微波纹管来迫使空气和燃料通过废气，并且在燃料和氧化剂到达反应器之前使用能量预热燃料和氧化剂，从而提高系统效率。微型或微波纹管强制环境空气通过系统供应氧化剂并提供冷却。最后，优选为超级绝缘体的绝缘体设置在TPV电源周围以减少燃料消耗，并且使TPV电源保持冷却以使其可以用于手持式装置。

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