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31. 发明申请

US20170055107A1 WIRELESS COMMUNICATION METHOD WITHOUT PAIRING IDENTITIES IN ADVANCE AND DEVICE THEREOF 有权
标题翻译：无线通信方法，无前提下的配对标识及其设备
公开(公告)号：US20170055107A1
公开(公告)日：2017-02-23
申请号：US14848361
申请日：2015-09-09
申请人： Beken Corporation
发明人： Lizhen Zhu , Ronghui Kong , Bo Jia
IPC分类号： H04W4/00 , H04L1/16
CPC分类号： H04W4/80 , H04L1/16
摘要： A wireless communication method without pairing IDs in advance, comprises: transmitting, at a first power, a first ID within a first pipe; searching for a second ID on at least one frequency point, wherein the second ID matches the first ID; if the second ID is not found within the first pipe, respectively transmitting, at least at a second power and a third power, at least two matching-code requests within a public pipe on public frequency points; receiving ACKs responding to each of the matching-code requests from different devices; summing numbers of the received ACKs from each device; comparing the summed numbers of the received ACKs from the different devices to get a maximum number; switching from a public pipe to a third pipe of a device that sent the maximum number of ACKs; transmitting a matching-code package to the device that sent the maximum number of ACKs.
摘要翻译：预先不配对ID的无线通信方法包括：以第一功率发送第一管道内的第一ID; 在至少一个频点上搜索第二ID，其中所述第二ID与所述第一ID匹配; 如果在第一管道内没有发现第二ID，则至少在第二功率和第三功率下分别在公共频点上的公共管道内发送至少两个匹配码请求; 接收响应于来自不同设备的每个匹配码请求的ACK; 从每个设备求和接收的ACK数; 比较来自不同设备的接收到的ACK的总和数以获得最大数量; 从公共管道切换到发送最大数量的ACK的设备的第三个管道; 向发送最大数量的ACK的设备发送匹配码包。

32. 发明授权

US09401690B2 Calibration circuit and method 有权
标题翻译：校准电路及方法
公开(公告)号：US09401690B2
公开(公告)日：2016-07-26
申请号：US14191440
申请日：2014-02-27
申请人： Beken Corporation
发明人： Dawei Guo , Jianqin Zheng
IPC分类号： H03H11/16 , H03H7/48
CPC分类号： H03H7/48
摘要： A circuit comprises a phase combiner and four output ports. The phase combiner adds an in-phase positive input and a quadrature positive input to obtain an in-phase positive output, adds an in-phase negative input and a quadrature negative input to obtain an in-phase negative output, adds the in-phase negative input and the quadrature positive input to obtain a quadrature positive output, and adds the in-phase positive input and the quadrature negative input to obtain a quadrature negative output. The four output ports, are respectively configured to output the in-phase positive output, the in-phase negative output, the quadrature positive output, and the quadrature negative output.
摘要翻译：电路包括相位合成器和四个输出端口。相位合成器加上同相正输入和正交正输入以获得同相正输出，相加负输入和正交负输入以获得同相负输出，将同相相加负输入和正交正输入以获得正交正输出，并且将同相正输入和正交负输入相加以获得正交负输出。四个输出端口分别配置为输出同相正输出，同相负输出，正交正输出和正交负输出。

33. 发明授权

US09195298B2 Sleep mode circuit and a method for placing a circuit into sleep mode 有权
标题翻译：睡眠模式电路和将电路置于睡眠模式的方法
公开(公告)号：US09195298B2
公开(公告)日：2015-11-24
申请号：US13911087
申请日：2013-06-06
申请人： Beken Corporation
发明人： Lizhen Zhu , Ronghui Kong
IPC分类号： G06F1/32 , H03K3/01 , H03K3/012 , H03K19/00
CPC分类号： G06F1/3287 , G06F1/3206 , H03K3/012 , H03K19/0016
摘要： A first circuit is configured to communicatively couple to a second circuit including an analog circuit and a digital circuit. The first circuit comprises a lock unit and a sleep unit. The lock unit is configured to receive a lock enable signal and to lock a configuration signal of the digital circuit in response to the lock enable signal. The sleep unit is configured to receive a sleep triggering signal indicating to switch into sleep mode and to generate an off signal to switch off the digital circuit in response to the sleep triggering signal, while the analog circuit remains on.
摘要翻译：第一电路被配置为通信地耦合到包括模拟电路和数字电路的第二电路。第一电路包括锁定单元和睡眠单元。锁定单元被配置为接收锁定使能信号并且响应于锁定使能信号来锁定数字电路的配置信号。休眠单元被配置为在模拟电路保持接通的同时接收指示切换到睡眠模式的睡眠触发信号并产生关闭信号以响应于休眠触发信号而关闭数字电路。

34. 发明授权

US08903023B1 Adaptive bluetooth receiver and method 有权
标题翻译：自适应蓝牙接收机和方法
公开(公告)号：US08903023B1
公开(公告)日：2014-12-02
申请号：US13913379
申请日：2013-06-07
申请人： Beken Corporation
发明人： Weifeng Wang , Yiming Huang , Mingsheng Ao
IPC分类号： H03D3/00 , H04L27/14 , H04B1/16
CPC分类号： H04L27/142 , H04B1/16 , H04B1/30
摘要： A Bluetooth receiver comprises a RF front end configured to receive a Bluetooth signal including a preamble and 34-bit pseudo-number (PN); a DC estimator communicatively coupled to the RF front end; and a frame synchronizer communicatively coupled to the DC estimator. The DC estimator is configured to perform DC offset estimation by determining an average value of samples of the preamble and the frame synchronizer is configured to use the 34-bit PN for frame synchronization.
摘要翻译：蓝牙接收机包括被配置为接收包括前同步码和34位伪号（PN）的蓝牙信号的RF前端; 通信地耦合到RF前端的DC估计器; 以及通信地耦合到DC估计器的帧同步器。 DC估计器被配置为通过确定前导码的采样的平均值来执行DC偏移估计，并且帧同步器被配置为使用用于帧同步的34位PN。

35. 发明授权

US08766685B1 Phase locked loop circuit and a method in the phase locked loop circuit 有权
标题翻译：锁相环电路和锁相环电路中的一种方法
公开(公告)号：US08766685B1
公开(公告)日：2014-07-01
申请号：US13911099
申请日：2013-06-06
申请人： Beken Corporation
发明人： Yunfeng Zhao , Ronghui Kong , Dawei Guo
IPC分类号： H03L7/06 , H03L7/08
CPC分类号： H03L7/104
摘要： A PLL circuit comprises a phase frequency detector (PFD), a charge pump (CP), a low pass filter (LPF), a voltage controlled oscillator (VCO), a frequency divider (FD) and a reset module. The PFD receives a first and a second input signals, and outputs a first and a second adjustment parameters according to phase and frequency difference between the first and the second input signal. The CP is coupled to the PFD, generates a current according to the first and the second adjustment parameters. The LPF is coupled to the CP, and generates a voltage according to the current. The VCO is coupled to the LPF, and generates an oscillation frequency according to the voltage. The FD receives and divides the oscillation frequency, and generates the second input signal. The reset module generates a reset signal to feed to the FD, wherein the reset module receives the first signal.
摘要翻译： PLL电路包括相位频率检测器（PFD），电荷泵（CP），低通滤波器（LPF），压控振荡器（VCO），分频器（FD）和复位模块。 PFD接收第一和第二输入信号，并根据第一和第二输入信号之间的相位和频率差输出第一和第二调整参数。 CP耦合到PFD，根据第一和第二调整参数产生电流。 LPF耦合到CP，并根据电流产生电压。 VCO耦合到LPF，并根据电压产生振荡频率。 FD接收并分频振荡频率，并产生第二输入信号。复位模块产生复位信号以馈送到FD，其中复位模块接收第一信号。

36. 发明授权

US08508293B2 Amplitude shift keying demodulator and method for demodulating an ask signal 有权
标题翻译：幅移键控解调器和解调询问信号的方法
公开(公告)号：US08508293B2
公开(公告)日：2013-08-13
申请号：US13405632
申请日：2012-02-27
申请人： Jiazhou Liu , Dawei Guo , Yangeng Wang
发明人： Jiazhou Liu , Dawei Guo , Yangeng Wang
IPC分类号： H03K9/02
CPC分类号： H04L27/06 , H03D1/2272
摘要： An ASK demodulator comprises a rectification circuit which receives and rectifies an ASK signal to generate a rectified current; an active load circuit is coupled to the rectification circuit and receives the rectified current and present an impedance which is inversely proportional to at least a part of the rectified current when a frequency of a base band signal meets a preset condition; a comparator is coupled to the rectification circuit and the active load circuit and receives a reference voltage and a voltage generated based on, at least in part, the rectified current and the impedance, and compares the reference voltage and the generated voltage to generate a demodulated signal.
摘要翻译： ASK解调器包括整流电路，其接收并整流ASK信号以产生整流电流; 有源负载电路耦合到整流电路，并且当基带信号的频率满足预设条件时，接收整流电流并呈现与至少一部分整流电流成反比的阻抗; 比较器耦合到整流电路和有源负载电路，并且接收基准电压和至少部分地基于整流电流和阻抗产生的电压，并且比较参考电压和产生的电压以产生解调的信号。

37. 发明授权

US08014742B1 Methods and apparatus for calibrating received signal strength indicators 有权
标题翻译：用于校准接收信号强度指示器的方法和装置
公开(公告)号：US08014742B1
公开(公告)日：2011-09-06
申请号：US13092946
申请日：2011-04-24
申请人： Ronghui Kong , Dawei Guo
发明人： Ronghui Kong , Dawei Guo
IPC分类号： H04B17/00
CPC分类号： H04B17/318 , H04B17/21
摘要： This disclosure discloses methods and apparatus for calibrating received signal strength indicators.
摘要翻译：本公开公开了用于校准接收信号强度指示符的方法和装置。

38. 发明授权

US11297421B2 Signal processing bias circuit for microphone 有权
公开(公告)号：US11297421B2
公开(公告)日：2022-04-05
申请号：US16843522
申请日：2020-04-08
申请人： Beken Corporation
发明人： Desheng Hu , Donghui Gao , Jiazhou Liu , Dawei Guo
IPC分类号： H04R3/00 , H03F3/45 , H03M1/66
摘要： A bias circuit includes a digital-to-analog converter configured to receive a digital input and output an analog signal; an integrator coupled to a first node that is coupled to the digital-to-analog converter and an amplifier, and coupled to a second node that is coupled to a positive input port of a first comparator and a negative input port of a second comparator; the digital signal processor coupled to an output port of the first comparator and an output port of the second comparator, and coupled to an input port of the digital-to-analog converter.

39. 发明授权

US11218127B2 Power amplifier and overcurrent protection circuit 有权
公开(公告)号：US11218127B2
公开(公告)日：2022-01-04
申请号：US16946100
申请日：2020-06-05
申请人： Beken Corporation
发明人： Donghui Gao , Desheng Hu , Jiazhou Liu
IPC分类号： H03G7/00 , H03F3/45 , H03M1/66 , H04R3/00
摘要： A power amplifier includes a digital-to-analog converter, a loop filter, a driver circuit, a first adjustable reference resistor and a second adjustable reference resistor. A circuit includes an overcurrent protection circuit and a power amplifier, wherein the overcurrent protection circuit is communicatively coupled to the power amplifier. The digital-to-analog converter is configured to receive a digital signal and to output an analog signal, the driver circuit communicatively coupled to the loop filter and at least one of a first output port and a second output port of the power amplifier.

40. 发明申请

US20210303254A1 WIRELESS SPEAKER SYSTEM 有权
公开(公告)号：US20210303254A1
公开(公告)日：2021-09-30
申请号：US15929516
申请日：2020-05-06
申请人： Beken Corporation
发明人： Weifeng Wang , Lulai Chen
IPC分类号： G06F3/16 , H04R3/12
摘要： A wireless speaker system includes a first transceiver and a second transceiver. The first transceiver acting as a master is configured to establish a first wireless link with a data source for receiving a plurality of data packets, and to establish a second wireless link with a second transceiver acting as a slave for transmitting a set of parameters to the second transceiver to enable the second transceiver to sniff the plurality of data packets from the data source via an enabled wireless link. The first transceiver is further configured to monitor the values of a first communication quality of the first wireless link and a second communication quality of the enabled wireless link, and to switch roles between the first transceiver and the second transceiver when the first communication quality is less than the second communication quality and the first communication quality decreases to a pre-determined threshold value.

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