公开(公告)号：US09819384B2

公开(公告)日：2017-11-14

申请号：US14522169

申请日：2014-10-23

申请人： Avago Technologies General IP (Singapore) Pte. Ltd.

发明人： Hongya Xu ,  Andriy Yatsenko ,  Lueder Elbrecht ,  Martin Handtmann

IPC分类号： H04B1/46 ,  H04B1/48 ,  H04L25/02 ,  H04B1/10 ,  H04B1/18

CPC分类号： H04B1/48 ,  H04B1/1036 ,  H04B1/109 ,  H04B1/18 ,  H04B2001/1063 ,  H04B2001/485 ,  H04L25/0278

摘要： A multiplexer device includes an antenna node connected to an antenna for at least one of receiving and transmitting signals; multiple band pass filters connected to the antenna node, each band pass filter having a different passband; and multiple notch filters connected in to the antenna node and the multiple band pass filters, each notch filter having a different stopband corresponding to one of the passbands of the band pass filters. The notch filters are connected in parallel with one another in order to reduce insertion loss.

公开(公告)号：US09571145B2

公开(公告)日：2017-02-14

申请号：US14485857

申请日：2014-09-15

申请人： Murata Manufacturing Co., Ltd.

发明人： Shoji Nagumo ,  Tetsuro Harada ,  Minoru Iwanaga ,  Tomohiro Nagai

IPC分类号： H04B1/46 ,  H04B1/04 ,  H04B1/18

CPC分类号： H04B1/18 ,  H04B1/0458

摘要： A high frequency circuit module includes a variable inductance circuit portion and a reactance circuit portion. The variable inductance circuit portion is connected between an antenna port and ground. The variable reactance circuit is connected between the antenna port and a front-end port. The variable inductance circuit portion includes a first inductor, a second inductor, and a switch. The first inductor is connected between the antenna port and the ground. The second inductor and the switch are connected in series, and this series circuit is connected in parallel to the first inductor.

摘要翻译： 高频电路模块包括可变电感电路部分和电抗电路部分。 可变电感电路部分连接在天线端口和地之间。 可变电抗电路连接在天线端口和前端口之间。 可变电感电路部分包括第一电感器，第二电感器和开关。 第一个电感连接在天线端口和地之间。 第二电感和开关串联连接，该串联电路与第一电感并联。

公开(公告)号：US09337880B2

公开(公告)日：2016-05-10

申请号：US14424896

申请日：2012-08-30

申请人： Mohd Faisal Abdullah ,  Yusasmadi Yusof

发明人： Mohd Faisal Abdullah ,  Yusasmadi Yusof

IPC分类号： H04B1/38 ,  H04B1/3827 ,  H04B1/46 ,  H04M1/60 ,  H04R3/00 ,  H04W4/10

CPC分类号： H04B1/3827 ,  H04B1/385 ,  H04B1/46 ,  H04M1/6041 ,  H04R3/00 ,  H04R2499/11 ,  H04W4/10

摘要： A method and apparatus for operating a bypass switch (124, 202) for bypassing a PTT switch (120) when a two-way radio device system (100) is to be operated in a hands-free mode responsive to a voltage applied to a microphone input line (114) in a pre-selected range.

摘要翻译： 一种方法和装置，用于在双向无线电设备系统（100）将以免提模式操作时，操作用于旁路PTT开关（120）的旁路开关（124,202），以响应于施加到 麦克风输入线（114）处于预选范围内。

公开(公告)号：US09313621B2

公开(公告)日：2016-04-12

申请号：US14253521

申请日：2014-04-15

申请人： MOTOROLA SOLUTIONS, INC

发明人： Mun Yew Tham ,  Bing Yee Hong ,  Ting Fook Tang ,  Chia Chuan Wu

IPC分类号： H04B7/00 ,  H04W4/10 ,  H04B1/46 ,  H04W88/06 ,  H04W76/00 ,  H04W84/08

CPC分类号： H04W4/10 ,  H04B1/46 ,  H04W76/45 ,  H04W84/08 ,  H04W88/06

摘要： A method for automatically switching to a channel for transmission on a portable radio is provided. In operation, a first microphone is assigned to respond to communications received on a primary channel and a second microphone is assigned to respond to communications received on a non-primary channel. The portable radio receives independent audio communications simultaneously on the primary channel and the non-primary channel when operating in a multi-watch mode. The portable radio determines a signal gain corresponding to a voice command received at the first and second microphones. When the signal gain for the first microphone is larger than the signal gain for the second microphone, the portable radio switches to a first talk-back channel to respond to communications received on the primary channel. Otherwise, the portable radio switches to a second talk-back channel to respond to communications received on the at least one non-primary channel.

摘要翻译： 提供了一种用于自动切换到便携式无线电台上用于传输的信道的方法。 在操作中，分配第一麦克风以响应在主信道上接收的通信，并且分配第二麦克风以响应在非主信道上接收的通信。 便携式无线电在多监视模式下操作时，在主信道和非主信道上同时接收独立音频通信。 便携式无线电装置确定与在第一和第二麦克风接收的语音命令相对应的信号增益。 当第一麦克风的信号增益大于第二麦克风的信号增益时，便携式无线电设备切换到第一对讲信道以响应在主信道上接收到的通信。 否则，便携式无线电装置切换到第二对讲信道以响应在至少一个非主信道上接收的通信。

公开(公告)号：US09214829B2

公开(公告)日：2015-12-15

申请号：US14177144

申请日：2014-02-10

申请人： QUALCOMM Incorporated

发明人： Ernest T Ozaki ,  Stanley S Toncich

IPC分类号： H04B1/46 ,  H02J7/02 ,  H02J5/00 ,  H04B1/00 ,  H04B5/00

摘要： Exemplary embodiments include an antenna for receiving electromagnetic radiation in a broadcast radiation band and a near-field radiation band to generate a Radio Frequency (RF) signal. A coupling element couples the RF signal to a first port and at least one additional port, which may be a second port and a third port. A wireless power receiver on the first port includes a rectifier for converting the RF signal to a DC signal when the antenna couples to radiation in the near-field radiation band in a coupling-mode region of the antenna. A near-field communication transceiver includes circuitry for communicating information on the antenna in the near-field radiation band when the coupling element couples the second port to the RF signal. A broadcast receiver on the third port includes circuitry for receiving and tuning the broadcast radiation band when the coupling element couples the third port to the RF signal.

公开(公告)号：US20150296351A1

公开(公告)日：2015-10-15

申请号：US14253521

申请日：2014-04-15

申请人： MOTOROLA SOLUTIONS, INC.

发明人： MUN YEW THAM ,  BING YEE HONG ,  TING FOOK TANG ,  CHIA CHUAN WU

IPC分类号： H04W4/10 ,  H04B1/46

CPC分类号： H04W4/10 ,  H04B1/46 ,  H04W76/45 ,  H04W84/08 ,  H04W88/06

摘要： A method for automatically switching to a channel for transmission on a portable radio is provided. In operation, a first microphone is assigned to respond to communications received on a primary channel and a second microphone is assigned to respond to communications received on a non-primary channel. The portable radio receives independent audio communications simultaneously on the primary channel and the non-primary channel when operating in a multi-watch mode. The portable radio determines a signal gain corresponding to a voice command received at the first and second microphones. When the signal gain for the first microphone is larger than the signal gain for the second microphone, the portable radio switches to a first talk-back channel to respond to communications received on the primary channel. Otherwise, the portable radio switches to a second talk-back channel to respond to communications received on the at least one non-primary channel.

摘要翻译： 提供了一种用于自动切换到便携式无线电台上用于传输的信道的方法。 在操作中，分配第一麦克风以响应在主信道上接收的通信，并且分配第二麦克风以响应在非主信道上接收的通信。 便携式无线电在多监视模式下操作时，在主信道和非主信道上同时接收独立音频通信。 便携式无线电装置确定与在第一和第二麦克风接收的语音命令相对应的信号增益。 当第一麦克风的信号增益大于第二麦克风的信号增益时，便携式无线电设备切换到第一对讲信道以响应在主信道上接收到的通信。 否则，便携式无线电装置切换到第二对讲信道以响应在至少一个非主信道上接收的通信。

公开(公告)号：US09136838B2

公开(公告)日：2015-09-15

申请号：US13823367

申请日：2010-09-21

申请人： Yaron Hasson ,  Alex Mostov

发明人： Yaron Hasson ,  Alex Mostov

IPC分类号： H04B1/46 ,  H03K17/687 ,  H03K17/693 ,  H04B1/525 ,  H04B1/44

CPC分类号： H03K17/6872 ,  H03K17/693 ,  H04B1/44 ,  H04B1/525

摘要： A dual pole dual through switch for switching between at least four states. The switch comprises four transistors such as N-channel Metal Oxide Semiconductor transistors, such that at each state at most one transistor is in “on” state, and the others are in “off” state. Each transistor has its own control circuit, which provides zero or negative voltage to the drain of the transistor, positive voltage to the source of the transistor, and control alternating voltage to the gate of the transistor. The switch can be used on-chip for devices. Such devices may include a base station or a handset of a cordless phone.

摘要翻译： 用于在至少四个状态之间切换的双极双通开关。 开关包括诸如N沟道金属氧化物半导体晶体管的四个晶体管，使得在每个状态下至多一个晶体管处于“导通”状态，而其它晶体管处于“截止”状态。 每个晶体管都有自己的控制电路，它向晶体管的漏极提供零电压或负电压，对晶体管的源极提供正电压，并控制到晶体管栅极的交流电压。 该开关可用于芯片上的器件。 这样的设备可以包括无绳电话的基站或手机。

公开(公告)号：US09065506B2

公开(公告)日：2015-06-23

申请号：US13951616

申请日：2013-07-26

申请人： Murata Manufacturing Co., Ltd.

发明人： Takanori Uejima

IPC分类号： H04B1/44 ,  H04B1/46 ,  H04B1/04 ,  H04B1/00 ,  H04B1/525 ,  H04B1/18

CPC分类号： H04B1/0475 ,  H04B1/006 ,  H04B1/0458 ,  H04B1/18 ,  H04B1/525

摘要： A low pass filter connected between an individual port of a switch device and a high-frequency switch module attenuates the second harmonic and the third harmonic of a transmission signal input to a first transmission signal input terminal. Further, the inductances/capacitances of inductors and capacitors defining the low pass filter are set such that the phase of a harmonic signal generated by a power amplifier is different by 180° from the phase of a harmonic signal produced as a result of the low pass filter shifting the phase of a harmonic signal generated due to distortion in a switch device, in an end portion on the first transmission signal input terminal side.

摘要翻译： 连接在开关装置的各个端口和高频开关模块之间的低通滤波器衰减输入到第一传输信号输入端的传输信号的二次谐波和三次谐波。 此外，限定低通滤波器的电感器和电容器的电感/电容被设置为使得由功率放大器产生的谐波信号的相位与由低通滤波器产生的谐波信号的相位相差180° 在第一传输信号输入端侧的端部，对由于开关装置中的失真而产生的谐波信号的相位进行滤波。

公开(公告)号：US09054901B2

公开(公告)日：2015-06-09

申请号：US13413805

申请日：2012-03-07

申请人： Clifford Hessel

发明人： Clifford Hessel

IPC分类号： H04B15/00 ,  H04B1/38 ,  H04B1/40 ,  H04B1/46 ,  H04L27/00 ,  H04W16/14

CPC分类号： H04L27/0006 ,  H04L27/0012 ,  H04W16/14

摘要： A method for detecting a presence of an RF signal begins by forming with at least one computer processor a sample correlation matrix A from a sample of a radio frequency channel. Thereafter, the at least one computer processor determines a trace tr(A) of the sample correlation matrix and a determinant det(A) of the sample correlation matrix. The at least one processor then selectively determines a presence or absence of a signal on the radio frequency channel based exclusively on the trace, the determinant and a threshold value T. The invention also includes a cognitive radio which includes a radio receiver configured to detect an RF signal and at least one computer processing device for performing the above-described method.

摘要翻译： 用于检测RF信号的存在的方法开始于与至少一个计算机处理器一起形成来自射频信道的样本的样本相关矩阵A. 此后，至少一个计算机处理器确定采样相关矩阵的迹线tr（A）和样本相关矩阵的行列式det（A）。 然后至少一个处理器选择性地基于迹线，行列式和阈值T来确定射频信道上的信号的存在或不存在。本发明还包括认知无线电设备，其包括被配置为检测 RF信号和用于执行上述方法的至少一个计算机处理装置。

公开(公告)号：US09002296B2

公开(公告)日：2015-04-07

申请号：US13809075

申请日：2011-08-01

申请人： Hyun Su Yoon

发明人： Hyun Su Yoon

IPC分类号： H04B1/46 ,  H04B1/44 ,  H04B1/56

CPC分类号： H04B1/44 ,  H04B1/56

摘要： A communication terminal and a driving method thereof are provided. The driving method of a communication terminal includes: forming a transmitting path and an absorption path by controlling a time division duplex (TDD) switch in a transmitting mode to isolate the transmitting path and the receiving path from an absorption path, the transmitting path transmitting a transmitting signal in a wireless scheme, and the absorption path diverged from the transmitting path through a circulator of the TDD switch to block a reflecting signal in the transmitting signal reversely transferred to the transmitting path; processing the transmitting signal through the transmitting path. Because a TDD switch has an isolation function, insertion loss in a transmitting path may be suppressed.

摘要翻译： 提供通信终端及其驱动方法。 通信终端的驱动方法包括：通过以发送模式控制时分双工（TDD）交换来形成发送路径和吸收路径，以将发送路径和接收路径与吸收路径隔离，发送路径发送 以及通过TDD开关的循环器从发送路径发散的吸收路径，以阻止反向传送到发送路径的发送信号中的反射信号; 通过发送路径处理发送信号。 因为TDD交换机具有隔离功能，所以可以抑制发送路径中的插入损耗。