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1. 发明专利

JP2011199746A Portable field communication device with stray capacitance sensor, and field communication method 有权
标题翻译：具有电容传感器的便携式现场通信设备和现场通信方法
公开(公告)号：JP2011199746A
公开(公告)日：2011-10-06
申请号：JP2010066430
申请日：2010-03-23
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KAWANO RYUSUKE , MORISAWA FUMIHARU , OCHIAI KATSUYUKI , KANMURI MIEKO , SHINAGAWA MITSURU
IPC分类号： H04B13/00
摘要： PROBLEM TO BE SOLVED: To prevent spatial propagation to an approaching object.SOLUTION: A storage section 11 stores a predetermined reference capacitance value Th. A transmission section 15 transmits information (data), such as identification information ID by an electric field from a first communication electrode 16a and a second communication electrode 16b. A detection electrode 12 detects stray capacitance C generated between the communication device and the approaching object and having a value changing depending on the magnitude of a distance from the object; a measurement section 13 measures the value of the detected stray capacitance C; and if the measured value of the stray capacitance C exceeds a reference value, a control section 14 stops transmission of the information (data).
摘要翻译：要解决的问题：防止对接近物体的空间传播。存储部分11存储预定的参考电容值Th。发送部分15通过来自第一通信电极16a和第二通信电极16b的电场来发送诸如识别信息ID的信息（数据）。检测电极12检测在通信装置和接近物体之间产生的杂散电容C，并且其值取决于距物体的距离的大小而变化; 测量部分13测量检测到的杂散电容C的值; 并且如果杂散电容C的测量值超过参考值，则控制部14停止信息（数据）的发送。

2. 发明专利

JP2011199742A Comparator for electric field communication device, electric field communication device and comparison method 有权
标题翻译：电场通信装置的比较器，电场通信装置和比较方法
公开(公告)号：JP2011199742A
公开(公告)日：2011-10-06
申请号：JP2010066303
申请日：2010-03-23
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KAWANO RYUSUKE , OCHIAI KATSUYUKI , MIZOTA TSUTOMU , KANMURI MIEKO , SHINAGAWA MITSURU
IPC分类号： H04B13/00
摘要： PROBLEM TO BE SOLVED: To efficiently suppress spatial propagation, when an object approaches.SOLUTION: A value of an input signal received by an electrode 3 is powered (V→V) and is compared with a reference value Vth by using the value Vof the input signal after conversion. Thus, a set margin of the reference value Vth to be stored in a storage circuit 11 can be increased; and thereby, since the reference value can be adjusted finely; as a result, a signal transmitted by spatial propagation can be unfailingly removed as a noise; and the spatial propagation, when a possessing person A approaches another person B can be suppressed efficiently.
摘要翻译：要解决的问题：当物体接近时，有效地抑制空间传播。解决方案：由电极3接收的输入信号的值被供电（V→V），并且通过使用值Vof与参考值Vth进行比较输入信号转换后。因此，可以增加要存储在存储电路11中的参考值Vth的设定余量; 从而可以精细地调整基准值; 结果，通过空间传播发送的信号可以作为噪声被可靠地去除; 并且当拥有人A接近另一个人B时的空间传播可被有效地抑制。

3. 发明专利

JP2011205319A Electric field communication system 有权
标题翻译：电场通信系统
公开(公告)号：JP2011205319A
公开(公告)日：2011-10-13
申请号：JP2010069717
申请日：2010-03-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MORISAWA FUMIHARU , KANMURI MIEKO , SHIBATA SHINTARO , OCHIAI KATSUYUKI , SHINAGAWA MITSURU
IPC分类号： H04B13/00 , H04B5/02
摘要： PROBLEM TO BE SOLVED: To prevent unintended communication between an installation terminal using electric field communication and a portable terminal.SOLUTION: A plate electrode 11a connected to the installation terminal 11 installed near a door 5 is slightly inclined to the front face of the door 5 to be arranged. Thus, since an electric field to be emitted by the plate electrode 11a does not progress to the front face of the door 5 but progresses to the inclined direction, and further goes to metal parts of the door 5, a building etc., arrival distance of a polling signal to be transmitted by the installation terminal 11 is suppressed to prevent communication which is not intended by a user 100. In addition, since the electric field to be emitted by the plate electrode 11a is absorbed by a metal plate 13 by providing the metal plate 13 in the electric field emitting direction, the arrival distance of the polling signal is suppressed.
摘要翻译：要解决的问题：为了防止使用电场通信的安装终端与便携式终端之间的意外通信。解决方案：连接到安装在门5附近的安装端子11的板状电极11a稍微倾斜到门5的前面被安排。因此，由于板状电极11a发射的电场不会进入门5的前表面而是向倾斜方向前进，而且进一步进入门5的金属部分，建筑物等的到达距离抑制由安装终端11发送的轮询信号，以防止用户100不想要的通信。此外，由于板电极11a发射的电场被金属板13吸收，通过提供金属板13在电场发射方向上，轮询信号的到达距离被抑制。

4. 发明专利

JP2011193188A Electric field communication system 有权
标题翻译：电场通信系统
公开(公告)号：JP2011193188A
公开(公告)日：2011-09-29
申请号：JP2010056989
申请日：2010-03-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KANMURI MIEKO , SASAKI AIICHIRO , ISHIHARA TAKAKO , MIZOTA TSUTOMU , SHINAGAWA MITSURU
IPC分类号： H04B13/00
摘要： PROBLEM TO BE SOLVED: To prevent inconvenience that communication is started by an emitted electric field. SOLUTION: A terminal 1 transmits a starting signal W with a frequency lower than that of a communication signal D. An attainment range WA of the starting signal is restricted to an extremely narrow range around a user of the terminal 1. For example, even when other user who wears a terminal 2 approaches the terminal 1, the possibility that the terminal 2 receives the starting signal W is low. Consequently, the possibility that the terminal 2 starts communication with the terminal 1 is reduced. COPYRIGHT: (C)2011,JPO&INPIT

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