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公开(公告)号：JPS58215849A
公开(公告)日：1983-12-15
申请号：JP9955782
申请日：1982-06-10
CPC分类号： H04M1/74
摘要： PURPOSE:To prevent the effect of induced noise and surge voltage, by inserting a magnetic field generator to a main trunk, a telephone terminal and a channel of the telephone terminal, generating a magnetic field by a DC current of the main trunk, and detecting the magnetic field for turning on/off the main trunk loop, and obtaining the direction of the current. CONSTITUTION:The magnetic field generator comprising a Hall element 8 detecting the intensity or change of a magnetic field in a coil 6 and a core 7 is connected in series to the main trunk and the channel of the telephone terminal. The intensity of the magnetic field generated from the element 8 is converted into an electric quantity, which is applied to a control circuit 21 of the telephone set terminal device via comparators 10, 11 provided with comparison voltage setting power supplies 12, 13 and a logical circuit comprising an AND circuit 16, an NOR circuit 17, and an OR circuit 18.
摘要翻译： 目的：为了防止感应噪声和浪涌电压的影响，通过将磁场发生器插入主干线，电话终端和电话终端的通道，通过主干线的直流电流产生磁场，并检测 用于打开/关闭主干环的磁场，并获得电流的方向。 构成：包括检测线圈6和磁芯7中的磁场的强度或变化的霍尔元件8的磁场发生器与电话终端的主干线和通道串联连接。 从元件8产生的磁场的强度被转换成电量，其经由比较器10,11提供电话机端子装置的控制电路21，该比较器10,11设置有比较电压设定电源12,13和逻辑 包括AND电路16，NOR电路17和OR电路18的电路。
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公开(公告)号：JPS5781756A
公开(公告)日：1982-05-21
申请号：JP15802380
申请日：1980-11-10
申请人： Nec Corp
发明人： SENZAI MAMORU
CPC分类号： H04M1/74
摘要： PURPOSE:To reduce a fault caused by the thunder current immersed in a telephone circuit, by providing a relay contact through which the telephone circuit is connected to each key telephone during the telephone circuit is busy. CONSTITUTION:A telephone circuit is usually connected only to an incoming detecting circuit 3. A control circuit 8 receives the originating or answer signal given from a telephone for each telephone, and the telephone circuit is connected only when a relay 9 is recovered. In such way, each telephone is separated from the telephone circuit for 23 hours in a day since the telephone circuit is usually used for an hour per day. As a result, the telephone is protected from the thunder current by a contact 10 of the relay 9.
摘要翻译： 目的：为了减少因浸入电话线路的雷电引起的故障，通过提供一个继电器触点，电话线路在电话线路正忙时将电话线连接到每个钥匙电话。 构成：电话电路通常仅连接到输入检测电路3.控制电路8接收每个电话从电话发出的起始或应答信号，并且电话电路仅在继电器9恢复时连接。 这样，每天电话通常每天使用一个小时，每天电话与电话电路分开一天23小时。 结果，通过继电器9的触点10来保护电话免受雷电的影响。
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公开(公告)号：JPS5737966A
公开(公告)日：1982-03-02
申请号：JP11243480
申请日：1980-08-15
申请人： Nec Corp
发明人： YOSHIDA TOSHIHISA
CPC分类号： H04M1/74
摘要： PURPOSE:To automatically remove unbalance component to earth, by detecting and amplifying AC potential differences and controlling a talking current controlling element at a talking current supplying circuit of an electronic exchange. CONSTITUTION:The center point of resistance 100 and 101 inserted in series with a talking current supplying power source 107 is connected with the ground, and the potential difference across both ends of the resistances 101 and 101 is detected and amplified, and then, differences in the characteristics of transistors 108 and 111 are compensated by controlling the current value of the transistor for controlling the constant-current. Therefore, the unbalance to earth can be reduced.
摘要翻译： 目的：通过检测和放大交流电位差并在电子交换机的通话电流提供电路上控制通话电流控制元件，自动去除不平衡元件。 构成：与通话电流供给电源107串联插入的电阻100和101的中心点与地连接，电阻101和101的两端的电位差被检测和放大，然后， 通过控制用于控制恒流的晶体管的电流值来补偿晶体管108和111的特性。 因此，可以减少对地球的不平衡。
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公开(公告)号：JPS59153366A
公开(公告)日：1984-09-01
申请号：JP2833783
申请日：1983-02-22
申请人： Nec Corp
发明人： KAJI KATSUHIKO
CPC分类号： H04M1/74
摘要： PURPOSE:To stabilize the line by making the telephone set input impedance equal at hook-on and hook-off of a handset to prevent generation of singing. CONSTITUTION:A two-wire line 2W is connected to a hybrid H via normally closed contacts of switches S1, S2 and an output of a transmission amplifier A1 and an input of a receiving amplifier A2 are connected to the hybrid H. Further, a transmitter S is connected to the input of the amplifier A1 via a hook switch SH1 and a receiver R is connected to the output of the amplifier A2 via a hook switch SH2 respectively. When the switches SH1, SH2 are opened and a call signal is incoming at on-hook state, a bell circuit BL is activated. When the handset is lifted up and hooked on, the switches SH1, SH2 are closed so as to be calling state. Since the switches SH1, SH2 are located at the handset side of the amplifier A1, A2, even if the switches SH1, SH2 are switched, no effect given to the hybrid H. That is, the impedance of the 2W is unchanged.
摘要翻译： 目的：通过使手机的挂机和挂机使电话机的输入阻抗相等，以防止歌唱的产生，来稳定线路。 构成：双线线路2W通过开关S1，S2的常闭触点和发送放大器A1的输出端连接到混合器H，并且接收放大器A2的输入端连接到混合器H.另外，发送器 S通过钩开关SH1连接到放大器A1的输入，接收器R分别经由钩形开关SH2连接到放大器A2的输出端。 当开关SH1，SH2打开并且呼叫信号在挂机状态进入时，振铃电路BL被激活。 当手机被提起并挂接时，开关SH1，SH2关闭，以便处于呼叫状态。 由于开关SH1，SH2位于放大器A1，A2的手机侧，所以即使切换开关SH1，SH2，也不会对混合动力H施加影响。即，2W的阻抗不变。
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公开(公告)号：JPS5781755A
公开(公告)日：1982-05-21
申请号：JP15802280
申请日：1980-11-10
申请人： Nec Corp
发明人： SENZAI MAMORU
CPC分类号： H04M1/74
摘要： PURPOSE:To reduce the probability for the fault caused by the thunder, by connecting a telephone circuit to a key telephone only when it is used and separating the telephone circuit from the key telephone in case the circuit is not busy. CONSTITUTION:A relay 10 works when the telephone circuit is not busy and is recovered during the reception of signals by the incoming, busy and holding signals sent from an incoming detecting circuit 12 or a key telephone. The circuit 12 detects this recovery during the incoming and recovers the relay 10, and a relay contact 11 connects a telephone circuit 4 to the key telephone. Accordingly, the key telephone recovers the relay 10 through a signal line 8. When an incoming call responds, the line 8 transmits a busy signal. And the relay 10 continues its recovery. When the call is held, the line 8 transmits a holding signal to recover the continuously the relay 10. Then the signal of the line 8 is recovered by a ring-off, and the relay 10 works again to connect the telephone circuit to the circuit 12.
摘要翻译： 目的：为了降低雷电故障的可能性，只有在电话线路不忙时才将电话线路连接到钥匙电话机，并将电话线路与钥匙电话分离。 构成：当电话线路不忙时，继电器10工作，并且在通过从进入的检测电路12或钥匙电话发送的进入，占线和保持信号接收信号期间被恢复。 电路12在进入和检测继电器10期间检测该恢复，并且继电器触点11将电话电路4连接到钥匙电话。 因此，钥匙电话通过信号线8恢复继电器10.当来电响应时，线路8发送忙信号。 继电器10继续恢复。 当呼叫被保持时，线路8发送保持信号以连续地恢复继电器10.然后线路8的信号通过环路断开恢复，并且继电器10再次工作以将电话电路连接到电路 12。
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公开(公告)号：JP2010022026A
公开(公告)日：2010-01-28
申请号：JP2009214695
申请日：2009-09-16
申请人： Aware Inc , アウェア, インコーポレイテッド
CPC分类号： H04M11/062 , H04M1/24 , H04M1/74 , H04M3/2209 , H04M3/30 , H04M2203/057
摘要： PROBLEM TO BE SOLVED: To provide a method of detecting one or more devices not equipped with a filter that interfere a communication signal due to nonlinear characteristics.
SOLUTION: Data are collected and interpreted in response to one or more transmitted signals to determine whether an interfering device is present. If an interfering device is present, a message is generated and a display etc. is produced to a user to the effect that the installation of a micro-filter is required. Next, the system can determine whether the micro-filter is installed properly and, for example, initiate communication, or if the micro-filter cannot solve the problem, inform of that or contact a technician.
COPYRIGHT: (C)2010,JPO&INPIT摘要翻译： 要解决的问题：提供一种检测一个或多个未配备有由于非线性特性而干扰通信信号的滤波器的装置的方法。 解决方案：响应于一个或多个发射信号收集和解释数据，以确定是否存在干扰装置。 如果存在干扰装置，则产生消息并向用户产生显示等，以使得需要安装微型滤波器。 接下来，系统可以确定微滤器是否正确安装，例如启动通信，或者微滤器是否不能解决问题，通知或联系技术人员。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JPWO2003103253A1
公开(公告)日：2005-10-06
申请号：JP2004510208
申请日：2002-05-31
申请人： 三菱電機株式会社
摘要： 雑音抑圧器(8)は、A/D変換器(2)によってデジタル信号に変換された送話音声に含まれる雑音を抑圧する。側音レベル制御器(9)は、雑音抑圧器(8)によって雑音が抑圧された後の送話信号のレベルを制御し、側音として出力する。そして、D/A変換器(15)は、側音が加算された後の受話信号をデジタル信号からアナログ信号に変換する。したがって、送話者の背景に存在する雑音のレベルによって側音のレベルが変更されるのを防止することが可能となり、送話者が適正な音量で発話を行なえるように側音を制御することが可能となる。
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公开(公告)号：JPS59103440A
公开(公告)日：1984-06-14
申请号：JP21361082
申请日：1982-12-06
申请人： Fujitsu Ltd
发明人： ITOU MASABUMI
CPC分类号： H04M1/74
摘要： PURPOSE:To eliminate low-frequency induced noises and to reduce attenuation at a transmission frequency band by reducing a series impedance inserted to the transmission line without losing a magentic flux canceling operation in a common mode preventing choke. CONSTITUTION:Primary winding A and secondary winding B are provided respectively between terminals 1 and 2 and between terminals 3 and 4, and they are coupled densely. A terminal winding C is coupled densely with the primary winding A and the secondary winding B, and both terminals 5 and 6 are short- circuited. Since the series impedance between the terminals 1 and 2 and terminals 3 and 4 is only that based on the leakage inductance between the terminals and small sufficiently, when the windings are inserted to both the lines, the common mode induced noise is suppressed sufficiently without attenuating the transmission signal.
摘要翻译： 目的：通过减少插入传输线的串联阻抗，消除低频感应噪声并减少传输频带的衰减，而不会在防止扼流圈的共模防止磁通消除操作中丧失。 构成：初级绕组A和次级绕组B分别设置在端子1和端子2之间以及端子3和端子4之间，并且它们紧密耦合。 端子绕组C与初级绕组A和次级绕组B紧密耦合，并且两个端子5和6都短路。 由于端子1和端子3和端子4之间的串联阻抗仅仅是基于端子之间的漏电感并且充分小的电阻，当绕组被插入两条线时，共模抑制感应噪声被充分抑制而不衰减 传输信号。
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公开(公告)号：KR102229286B1
公开(公告)日：2021-03-19
申请号：KR1020140193216A
申请日：2014-12-30
申请人： 인포뱅크 주식회사
CPC分类号： H04M1/6008 , H04M1/74 , H04R3/00
摘要： 본 발명의 실시 예에 따른 차량정보 제공단말기로 차량 인터페이스를 제공하는 단말기는, 기지국에서 송신된 호신호를 수신하는 무선 통신부; 상기 호신호가 수신되면 통화인터페이스를 생성하고, 상기 차량 인터페이스를 통해 상기 통화인터페이스를 제공하는 통화인터페이스 생성부; 및 상기 통화인터페이스에 대한 입력에 따라 상기 차량정보 제공단말기와 연결된 마이크에서 수신되는 음성신호로부터, 상기 차량정보 제공단말기에서 출력되는 정보제공 음성신호를 제거 처리하는 필터링부를 포함하고, 상기 무선 통신부는 상기 필터링부에서 제거 처리된 음성신호를 상기 기지국으로 전송한다.
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