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1. 发明公开

EP1921458A2 Electric field sensor and adjustment method thereof 审中-公开
标题翻译： Elektrofeldsensor und Einstellverfahrendafür
公开(公告)号：EP1921458A2
公开(公告)日：2008-05-14
申请号：EP08003680.9
申请日：2004-07-28
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Sasaki, Aiichirou , Shinagawa, Mitsuru , Shibata, Nobutarou , Minotani, Tadashi , Fujiura, Kazuo , Sasaura, Masahiro , Toyoda, Seiji
IPC分类号： G01R29/12
CPC分类号： G01R15/241 , G01R29/12
摘要： The present invention relates to an electric field sensor including: a light source (1); an electro optic crystal (7) which is applied with an electric field based on a signal under test, in which a birefringent index changes according to the electric field, and which changes a polarization state of light incident from the light source according to the birefringent index and emits the light; and a detector (9, 17, 19, 21) that detects an electric signal according to the change of the polarization state of the light emitted from the electro optic crystal (7). Further, the electric field sensor includes: a signal electrode (11) for applying the electric field based on the signal under test to the electro optic crystal (7); a counter electrode (12) that forms a pair with the signal electrode (11); and an auxiliary electrode that is electrically connected to the counter electrode (12), and that forms a capacitance with ground.
摘要翻译：电场传感器技术领域本发明涉及一种电场传感器，包括：光源（1）; 基于被测信号施加电场的电光晶体（7），其中双折射率根据电场而变化，并且根据双折射改变从光源入射的光的偏振状态指数并发光; 以及根据从电光晶体（7）发射的光的偏振状态的变化来检测电信号的检测器（9,17,19,21）。此外，电场传感器包括：信号电极（11），用于将基于被测信号的电场施加到电光晶体（7）; 与信号电极（11）形成一对的对电极（12）; 和与电极（12）电连接的辅助电极，并形成与地电容。

2. 发明公开

EP1804382A2 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method 有权
标题翻译：用于发射器/在通信系统中与人体接收机作为信号传输介质的信号处理电路
公开(公告)号：EP1804382A2
公开(公告)日：2007-07-04
申请号：EP07008257.3
申请日：2004-12-01
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Minotani, Tadashi , Shibata, Nobutarou , Shinagawa, Mitsuru
IPC分类号： H03K4/00 , G06G7/184 , H04B13/00
CPC分类号： H04B13/005
摘要： The present invention relates to an integrator comprising a first switching means, one end of which is connected to a voltage source (Vdd) outputting a predetermined voltage. Also, the integrator comprises a second switching means (SW2), which is connected at one end to the first switching means (SW1) and the other end with a negative electrode of the voltage source (Vdd). A first comparison means (211) compares a predetermined first threshold voltage (V1) and an input voltage for output of a signal to turn on the first switching means (SW1), when the input voltage is lower than the first threshold voltage (V1). A second comparison means (212), compares an input voltage and a second threshold voltage (V1), higher than the first threshold voltage (V1) for output of a signal to turn on the second switching means (SW2) when the input voltage is higher than the second threshold voltage (V2). A capacitor (213) of the integrator has one end connected to the other end of the first switching means (SW1). A signal appearing on the other end of the first switching means (SW1) is output as an output signal of the integrator. Thereby, when neither the first switching means (SW1) nor the second switching means (SW2) is turned on, no large current flows from the voltage source (Vdd) to earth ground, thereby preventing a power consumption from increasing.
摘要翻译：本发明涉及到在积分器包括第一开关装置，所有被连接到电压源（VDD）的输出廷预定电压一端。因此，积分器包括在一端连接到第一开关装置（SW1），其另一端与电压源（VDD）的负电极的第二开关装置（SW2），全部。第一比较装置（211）比较的预定第一阈值电压（V1）和输入电压的一个信号的输出，以接通第一开关装置（SW1）当输入电压高于第一阈值电压低（V1），第二比较装置（212）比较输入电压和第二阈值电压（V1）比的信号的输出，以接通第二开关装置（SW2）当输入电压是所述第一阈值电压（V1）高大于第二阈值电压（V2）更高。积分器的电容器（213）的一端连接到第一开关装置（SW1）的另一端。出现在第一开关装置（SW1）的另一端的信号是作为对所述积分器的输出信号而输出。由此，当既不是第一开关装置（SW1），也不是第二开关装置（SW2）被接通时，来自电压源（VDD）至大地，从而防止消耗电力的增大没有大的电流流过。

3. 发明公开

EP1921458A3 Electric field sensor and adjustment method thereof 审中-公开
标题翻译：电场传感器和设定它
公开(公告)号：EP1921458A3
公开(公告)日：2010-09-01
申请号：EP08003680.9
申请日：2004-07-28
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Sasaki, Aiichirou , Shinagawa, Mitsuru , Shibata, Nobutarou , Minotani, Tadashi , Fujiura, Kazuo , Sasaura, Masahiro , Toyoda, Seiji
IPC分类号： G01R29/12
CPC分类号： G01R15/241 , G01R29/12
摘要： The present invention relates to an electric field sensor including: a light source (1); an electro optic crystal (7) which is applied with an electric field based on a signal under test, in which a birefringent index changes according to the electric field, and which changes a polarization state of light incident from the light source according to the birefringent index and emits the light; and a detector (9, 17, 19, 21) that detects an electric signal according to the change of the polarization state of the light emitted from the electro optic crystal (7). Further, the electric field sensor includes: a signal electrode (11) for applying the electric field based on the signal under test to the electro optic crystal (7); a counter electrode (12) that forms a pair with the signal electrode (11); and an auxiliary electrode that is electrically connected to the counter electrode (12), and that forms a capacitance with ground.

4. 发明公开

EP1804382A3 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method 有权
标题翻译：装置Reaktanzeinstellung，收发器和发送装置，使得对于适当的信号处理电路，Reaktanzeinstellungsverfahren，发送方法和接收方法
公开(公告)号：EP1804382A3
公开(公告)日：2007-09-05
申请号：EP07008257.3
申请日：2004-12-01
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Minotani, Tadashi , Shibata, Nobutarou , Shinagawa, Mitsuru
IPC分类号： H03K4/00 , G06G7/184 , H04B13/00
CPC分类号： H04B13/005
摘要： The present invention relates to an integrator comprising a first switching means, one end of which is connected to a voltage source (Vdd) outputting a predetermined voltage. Also, the integrator comprises a second switching means (SW2), which is connected at one end to the first switching means (SW1) and the other end with a negative electrode of the voltage source (Vdd). A first comparison means (211) compares a predetermined first threshold voltage (V1) and an input voltage for output of a signal to turn on the first switching means (SW1), when the input voltage is lower than the first threshold voltage (V1). A second comparison means (212), compares an input voltage and a second threshold voltage (V1), higher than the first threshold voltage (V1) for output of a signal to turn on the second switching means (SW2) when the input voltage is higher than the second threshold voltage (V2). A capacitor (213) of the integrator has one end connected to the other end of the first switching means (SW1). A signal appearing on the other end of the first switching means (SW1) is output as an output signal of the integrator. Thereby, when neither the first switching means (SW1) nor the second switching means (SW2) is turned on, no large current flows from the voltage source (Vdd) to earth ground, thereby preventing a power consumption from increasing.

5. 发明授权

EP1804382B1 Signal processing circuit suitable for a transceiver in a communication system using the human body as a transmisssion medium 有权
标题翻译：用于发射器/在通信系统中与人体接收机作为信号传输介质的信号处理电路
公开(公告)号：EP1804382B1
公开(公告)日：2008-12-03
申请号：EP07008257.3
申请日：2004-12-01
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Minotani, Tadashi , Shibata, Nobutarou , Shinagawa, Mitsuru
IPC分类号： H03K4/00 , G06G7/184 , H04B13/00
CPC分类号： H04B13/005

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