专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

41. 发明授权

US07518469B2 Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same 有权
标题翻译：多频段高频电路，多频段高频电路组件和使用该多频段电路的多频段通信装置
公开(公告)号：US07518469B2
公开(公告)日：2009-04-14
申请号：US10596372
申请日：2004-12-13
申请人： Shigeru Kemmochi , Keisuke Fukamachi , Kazuhiro Hagiwara , Masayuki Uchida
发明人： Shigeru Kemmochi , Keisuke Fukamachi , Kazuhiro Hagiwara , Masayuki Uchida
IPC分类号： H01P5/12 , H03H7/46
CPC分类号： H04B1/0057
摘要： A multi-band high-frequency circuit for performing wireless communications among pluralities of communication systems having different communication frequencies, comprising a high-frequency switch circuit comprising switching elements for switching the connection of pluralities of multi-band antennas to transmitting circuits and receiving circuits; a first diplexer circuit disposed between the high-frequency switch circuit and transmitting circuits for branching a high-frequency signal into frequency bands of the communication systems; a second diplexer circuit disposed between the high-frequency switch circuit and receiving circuits for branching a high-frequency signal into frequency bands of the communication systems; the first and second diplexer circuits each comprising a lower-frequency filter circuit and a higher-frequency filter circuit, a bandpass filter circuit being used as the lower-frequency filter circuit in the second diplexer circuit, or disposed between the lower-frequency filter circuit in the second diplexer circuit and the receiving circuit; the high-frequency switch circuit comprising first to fourth ports, the first port being connected to a first multi-band antenna, the second port being connected to a second multi-band antenna, the third port being connected to the first diplexer circuit, and the fourth port being connected to the second diplexer circuit; and the switching elements being controlled in an ON or OFF state to select a multi-band antenna for performing wireless communications and to switch the connection of the selected multi-band antenna to the transmitting circuit or the receiving circuit.
摘要翻译：一种用于在具有不同通信频率的多个通信系统之间执行无线通信的多频段高频电路，包括：高频开关电路，包括用于将多个多频带天线的连接切换到发送电路和接收电路的开关元件; 设置在高频开关电路和发送电路之间的第一双工器电路，用于将高频信号分支成通信系统的频带; 设置在高频开关电路和接收电路之间的第二双工器电路，用于将高频信号分支成通信系统的频带; 第一和第二双工器电路各自包括低频滤波器电路和较高频率滤波器电路，带通滤波器电路被用作第二双工器电路中的低频滤波器电路，或者设置在低频滤波器电路在第二双工器电路和接收电路中; 所述高频开关电路包括第一至第四端口，所述第一端口连接到第一多频带天线，所述第二端口连接到第二多频带天线，所述第三端口连接到所述第一双工器电路，以及所述第四端口连接到所述第二双工器电路; 并且开关元件被控制在ON或OFF状态，以选择用于执行无线通信的多频带天线，并且将所选择的多频带天线的连接切换到发射电路或接收电路。

42. 发明申请

US20090017772A1 MULTIBAND HIGH-FREQUENCY CIRCUIT, MULTIBAND HIGH-FREQUENCY CIRCUIT DEVICE AND MULTIBAND COMMUNICATIONS APPARATUS COMPRISING SAME 有权
标题翻译：多频高频电路，多频高频电路装置及包含其的多通道通信装置
公开(公告)号：US20090017772A1
公开(公告)日：2009-01-15
申请号：US11911349
申请日：2006-04-11
申请人： Shigeru Kemmochi , Kazuhiro Hagiwara , Keisuke Fukamachi , Mitsuhiro Watanabe
发明人： Shigeru Kemmochi , Kazuhiro Hagiwara , Keisuke Fukamachi , Mitsuhiro Watanabe
IPC分类号： H04B1/38
CPC分类号： H04B1/006
摘要： A multiband high-frequency circuit comprising a first switch SPDT1 for switching the connections of a multiband antenna to transmitting circuits 11bg-T, 11a-T and receiving circuits 11bg-R, 11a-R of first and second communications systems, and a transmitting/receiving circuit BLT-TR of a third communications system, a diplexer circuit Dip1 for branching a high-frequency signal to 11a-R and 11bg-R or BLT-TR and a diplexer circuit Dip2 for branching a high-frequency signal to 11bg-T and 11a-T, both of which are disposed downstream of SPDT1, each diplexer circuit Dip1, Dip2 comprising a lower-frequency-side filter and a high-frequency-side filter, a bandpass filter BPF1 being disposed downstream of the lower-frequency-side filter of the diplexer circuit Dip1, and a second switch SPDT2 being disposed downstream of the bandpass filter BPF1.
摘要翻译：一种多频段高频电路，包括用于切换多频带天线到第一和第二通信系统的发送电路11bg-T，11a-T和接收电路11bg-R，11a-R的连接的第一开关SPDT1，以及发送/ 第三通信系统的接收电路BLT-TR，用于将高频信号分支到11a-R和11b-R或BLT-TR的双工器电路Dip1和用于将高频信号分支到11bg-T的双工器电路Dip2 和11a-T，两者都设置在SPDT1的下游，每个双工器电路Dip1，Dip2包括低频侧滤波器和高频侧滤波器，带通滤波器BPF1设置在低频侧滤波器的下游，双工器电路Dip1的侧面滤波器，以及设置在带通滤波器BPF1的下游的第二开关SPDT2。

43. 发明申请

US20080212552A1 Multi-Band High Frequency Circuit, Multi-Band High-Frequency Component and Multi-Band Communications Apparatus 有权
标题翻译：多频段高频电路，多频段高频分量和多频带通信设备
公开(公告)号：US20080212552A1
公开(公告)日：2008-09-04
申请号：US11571416
申请日：2005-06-29
申请人： Keisuke Fukamachi , Shigeru Kemmochi , Kazuhiro Hagiwara , Takahiro Yamashita , Masayuki Uchida
发明人： Keisuke Fukamachi , Shigeru Kemmochi , Kazuhiro Hagiwara , Takahiro Yamashita , Masayuki Uchida
IPC分类号： H04J1/00
CPC分类号： H04B1/406 , H04B1/0057 , H04B1/006
摘要： A high-frequency circuit comprising a switch circuit for properly switching the connection of an antenna terminal and four input/output terminals; a first received-signal output terminal being connected to a receiving circuit of a first communications system via a filter circuit; a second received-signal output terminal being connected to a receiving circuit of a second communications system via a filter circuit; a first transmitting-signal input terminal being connected to a transmitting circuit of a first communications system; and a second transmitting-signal input terminal being connected to a transmitting circuit of a second communications system via a power amplifier circuit, the high-frequency circuit further comprising a bandpass filter circuit disposed in any one or more paths between the antennas and the transmitting-signal input or received-signal output; and a detection circuit having a voltage detection terminal for monitoring the output power of the power amplifier circuits.
摘要翻译：一种高频电路，包括用于适当地切换天线端子和四个输入/输出端子的连接的开关电路; 第一接收信号输出端子经由滤波器电路连接到第一通信系统的接收电路; 第二接收信号输出端子经由滤波器电路连接到第二通信系统的接收电路; 第一发送信号输入端子，连接到第一通信系统的发送电路; 以及经由功率放大电路与第二通信系统的发送电路连接的第二发送信号输入端子，所述高频电路还包括设置在所述天线与所述发送信号之间的任意一个或多个路径中的带通滤波器电路，信号输入或接收信号输出; 以及检测电路，具有用于监视功率放大器电路的输出功率的电压检测端子。

44. 发明授权

US07253702B2 High-frequency switch module 有权
标题翻译：高频开关模块
公开(公告)号：US07253702B2
公开(公告)日：2007-08-07
申请号：US10415595
申请日：2001-11-01
申请人： Shigeru Kemmochi , Mitsuhiro Watanabe , Hiroyuki Tai , Keisuke Fukamachi , Satoru Yokouchi
发明人： Shigeru Kemmochi , Mitsuhiro Watanabe , Hiroyuki Tai , Keisuke Fukamachi , Satoru Yokouchi
IPC分类号： H03H9/72
CPC分类号： H03H7/465 , H04B1/406 , H04B1/48 , H05K1/0237 , H05K1/0243 , H05K1/0298 , H05K1/0306 , H05K1/162 , H05K1/181 , H05K2201/1003 , H05K2201/10083 , Y02P70/611
摘要： A high-frequency switch module, including a laminate constituted of dielectric layers having electrode patterns, the high-frequency switch module also including a high-frequency switch circuit for switching a transmitting circuit and a receiving circuit of transmitting/receiving systems, and a filter circuit connected to a receiving side of the high-frequency switch circuit.
摘要翻译：一种高频开关模块，包括由具有电极图案的电介质层构成的层叠体，高频开关模块还包括用于切换发送电路的高频开关电路和发送/接收系统的接收电路，以及滤波器电路连接到高频开关电路的接收侧。

45. 发明授权

US07057472B2 Bypass filter, multi-band antenna switch circuit, and layered module composite part and communication device using them 有权
标题翻译：旁路滤波器，多频天线开关电路，分层模块复合零件和使用它们的通信装置
公开(公告)号：US07057472B2
公开(公告)日：2006-06-06
申请号：US10486326
申请日：2002-08-12
申请人： Keisuke Fukamachi , Shigeru Kemmochi , Mitsuhiro Watanabe , Tsuyoshi Taketa , Hiroyuki Tai , Satoru Yokouchi
发明人： Keisuke Fukamachi , Shigeru Kemmochi , Mitsuhiro Watanabe , Tsuyoshi Taketa , Hiroyuki Tai , Satoru Yokouchi
IPC分类号： H01P1/10 , H03H7/46
CPC分类号： H03H7/465 , H03H7/0115 , H03H7/0153 , H03H7/1758 , H03H7/1766 , H03H7/1783 , H03H2001/0085 , H04B1/0057 , H04B1/006 , H04B1/406 , H04B1/44 , H04B1/48 , H04B1/52
摘要： A multi-band antenna switch circuit including a diplexer connected to an antenna terminal for demultiplexing signals of different passing bands, a first and a second switch circuit for switching a high frequency signal and a low frequency signal demultiplexed by the diplexer to a plurality of transmission/reception terminals, a first and a second low pass filter connected to a transmission path between the diplexer and the transmission terminal or between the first and the second switch circuit and the transmission terminal, and a notch filter provided between the diplexer and the first switch circuit or between the diplexer and the second switch circuit. The multi-band antenna switch circuit includes a high pass filter having an input terminal and an output terminal and provided at least between die diplexer and the antenna terminal and including a first inductor connected between the input terminal and the ground, a first capacitor connected between the input terminal and the output terminal, a second inductor connected to the output terminal, and a second capacitor connected between the second inductor and the ground.
摘要翻译：一种多频带天线切换电路，包括连接到天线端子的双工器，用于对不同通带的信号进行解复用;第一和第二开关电路，用于将高频信号和由双工器解复用的低频信号切换到多个传输连接到双工器和传输终端之间或第一和第二开关电路和传输终端之间的传输路径的第一和第二低通滤波器，以及设置在双工器和第一开关之间的陷波滤波器电路或双工器与第二开关电路之间。多频带天线切换电路包括具有输入端子和输出端子的高通滤波器，并且至少在芯片双工器和天线端子之间提供，并且包括连接在输入端子和地之间的第一电感器，第一电容器连接在输入端子和输出端子，连接到输出端子的第二电感器，以及连接在第二电感器和地之间的第二电容器。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式