公开(公告)号：US08625246B2

公开(公告)日：2014-01-07

申请号：US13435821

申请日：2012-03-30

申请人： Pingfang Yu ,  Yuesheng Zhu

发明人： Pingfang Yu ,  Yuesheng Zhu

IPC分类号： H02H9/02

CPC分类号： H04M3/18 ,  H04M3/007 ,  H04M11/062

摘要： The embodiments of the present application provide a DSL protection circuit, including: a DSL and POTS broadband and narrowband mixed signal port, a narrowband POTS port, and a splitter, where the DSL and POTS broadband and narrowband mixed signal port is connected to the narrowband POTS port through the splitter, and a line on which an input end or output end of the splitter is cascaded with a restorable current-limited component for limiting abnormal current; a line on which the splitter and the restorable current-limited component are cascaded is connected in parallel with a voltage-limited component for bypass conduction of the splitter; a line on which the DSL and POTS broadband and narrowband mixed signal port is or a line on which the narrowband POTS port is cascaded with an overcurrent fuse component.

摘要翻译： 本申请的实施例提供一种DSL保护电路，其包括：DSL和POTS宽带和窄带混合信号端口，窄带POTS端口和分离器，其中DSL和POTS宽带和窄带混合信号端口连接到窄带 通过分路器的POTS端口，以及分路器的输入端或输出端与限制异常电流的可恢复电流限制部件级联的线; 分路器和可恢复电流限制部件级联的线路与用于旁路导通的电压限制部件并联连接; DSL和POTS宽带和窄带混合信号端口或窄带POTS端口与过流保险丝组件级联的线路。

公开(公告)号：US20110026178A1

公开(公告)日：2011-02-03

申请号：US12853720

申请日：2010-08-10

申请人： Hongting Luo ,  YangLi Dai ,  Pingfang Yu ,  Qinghai Wang

发明人： Hongting Luo ,  YangLi Dai ,  Pingfang Yu ,  Qinghai Wang

IPC分类号： H02H3/20

CPC分类号： H04L25/0266 ,  H04M3/18 ,  H04Q2213/13302 ,  H04Q2213/13305 ,  H04Q2213/1332 ,  H04Q2213/13322 ,  H04Q2213/13389

摘要： An interface circuit and a communication device are provided. The interface circuit includes a transformer unit, a protection unit, and an interface unit. A secondary side of the transformer unit is connected with a chip. A first terminal of the protection unit is electrically connected with a center tap of a primary side of the transformer unit, and a second terminal of the protection unit is grounded. A first access terminal of the interface unit is connected with a first port of the primary side of the transformer unit, a second access terminal of the interface unit is connected with a second port of the primary side of the transformer unit, and a third access terminal and a fourth access terminal of the interface unit are electrically connected with the first terminal of the protection unit respectively.

摘要翻译： 提供了一种接口电路和通信设备。 接口电路包括变压器单元，保护单元和接口单元。 变压器单元的次级侧与芯片连接。 保护单元的第一端子与变压器单元的初级侧的中心抽头电连接，并且保护单元的第二端子接地。 接口单元的第一接入终端与变压器单元的初级侧的第一端口连接，接口单元的第二接入端与变压器单元的初级侧的第二端口连接，第三接入 接口单元的第四接入端分别与保护单元的第一端子电连接。

公开(公告)号：US08077441B2

公开(公告)日：2011-12-13

申请号：US12853720

申请日：2010-08-10

申请人： Hongting Luo ,  Yangli Dai ,  Pingfang Yu ,  Qinghai Wang

发明人： Hongting Luo ,  Yangli Dai ,  Pingfang Yu ,  Qinghai Wang

IPC分类号： H02H3/20

CPC分类号： H04L25/0266 ,  H04M3/18 ,  H04Q2213/13302 ,  H04Q2213/13305 ,  H04Q2213/1332 ,  H04Q2213/13322 ,  H04Q2213/13389

摘要： An interface circuit and a communication device are provided. The interface circuit includes a transformer unit, a protection unit, and an interface unit. A secondary side of the transformer unit is connected with a chip. A first terminal of the protection unit is electrically connected with a center tap of a primary side of the transformer unit, and a second terminal of the protection unit is grounded. A first access terminal of the interface unit is connected with a first port of the primary side of the transformer unit, a second access terminal of the interface unit is connected with a second port of the primary side of the transformer unit, and a third access terminal and a fourth access terminal of the interface unit are electrically connected with the first terminal of the protection unit respectively.

摘要翻译： 提供了一种接口电路和通信设备。 接口电路包括变压器单元，保护单元和接口单元。 变压器单元的次级侧与芯片连接。 保护单元的第一端子与变压器单元的初级侧的中心抽头电连接，并且保护单元的第二端子接地。 接口单元的第一接入终端与变压器单元的初级侧的第一端口连接，接口单元的第二接入端与变压器单元的初级侧的第二端口连接，第三接入 接口单元的第四接入端分别与保护单元的第一端子电连接。