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81. 发明授权

US10043505B2 Wireless device and method in the wireless device 有权
公开(公告)号：US10043505B2
公开(公告)日：2018-08-07
申请号：US14746851
申请日：2015-06-23
申请人： Beken Corporation
发明人： Weifeng Wang , Yiming Huang
IPC分类号： G10H1/36 , G10L19/16 , G10L21/055
摘要： A transmitter comprises an analog-to-digital converter, an audio signal compressor, a framer, a scrambler, a modulator, and a transmitting unit. The analog-to-digital converter translates an analog audio signal into a digital Pulse-Code Modulation (PCM) format audio signal. The audio signal compressor compresses the PCM format audio signal into a coded bit stream with a modified Adaptive differential Pulse-code Modulation (ADPCM) algorithm. The framer packetizes the coded bit stream into a 1.125 ms frame data by adding a preamble, a signaling field, a data field, and a cyclic redundancy check field to the coded bit stream. The scrambler scrambles the frame data with an ID number. The modulator generates a modulated signal by modulating the scrambled frame data with a predetermined modulation scheme. The transmitting unit transmits the modulated signal.

82. 发明授权

US09977444B1 Power management system and method of the same 有权
公开(公告)号：US09977444B1
公开(公告)日：2018-05-22
申请号：US15437095
申请日：2017-02-20
申请人： Beken Corporation
发明人： Ronghui Kong , Jiazhou Liu
IPC分类号： G05F1/563 , G05F1/46 , G05F1/575
CPC分类号： G05F1/563 , G05F1/461 , G05F1/468 , G05F1/575
摘要： A power management system comprises an input power detector configured to generate a first enablement signal by detecting whether a first voltage is supplied; a first output stage connected to the input power detector and configured to receive and regulate the first voltage upon receiving the first enablement signal; an error operational amplifier is connected to the first output stage, a first input port of the error operational amplifier is configured to receive a first reference voltage, a second input port of the error operational amplifier is connected to a connection point of a first resistor and a second resistor, the first resistor is connected to the first output stage, the second resistor is connected to ground, and a system output port is located at the connection of the output port of the first output stage and the first resistor, to drive a load.

83. 发明申请

US20180139311A1 WIRELESS TRANSMITTER, WIRELESS REMOTE RECEIVER AND METHODS THEREOF 审中-公开
公开(公告)号：US20180139311A1
公开(公告)日：2018-05-17
申请号：US15361410
申请日：2016-11-26
申请人： Beken Corporation
发明人： Yiming HUANG , Weifeng WANG
IPC分类号： H04L29/06 , H04L27/00
CPC分类号： H04L27/0002 , H04L1/00 , H04L1/0061 , H04L1/1896 , H04L7/033 , H04L27/12 , H04L27/2017
摘要： A wireless transmitter, comprises a frame generator configured to generate a frame by including an auxiliary preamble, an auxiliary syncword, a guard, a preamble, an address, a packet control, a payload and a CRC; a modulator communicatively coupled to the frame generator and configured to modulate the frame according to a variable transmission rate and include the transmission rate in the auxiliary syncword; and a RF front end communicatively coupled to the modulator and configured to transmit the modulated signal to a receiver.

84. 发明授权

US09853607B1 Low-noise amplifier, receiver and method in a low-noise amplifier 有权
公开(公告)号：US09853607B1
公开(公告)日：2017-12-26
申请号：US15619553
申请日：2017-06-12
申请人： Beken Corporation
发明人： Jiazhou Liu , Dawei Guo
IPC分类号： H03F3/45 , H03F1/26 , H03F3/193 , H04B1/10
CPC分类号： H03F1/26 , H03F3/193 , H03F3/45179 , H03F2200/294 , H03F2200/451 , H03F2203/45306 , H03F2203/45318 , H03F2203/45704 , H04B1/10
摘要： A low-noise amplifier comprises first and second input ports respectively configured to receive a positive and negative input voltages; first and second resonance circuit, first and second transistor; wherein a first voltage output port of the first resonance circuit is connected to the second transistor, and a second voltage output port of the second resonance circuit is connected to the first transistor, the first and second voltage output ports are crossed coupled to a second node of both the first transistor and the second transistor via a first and second capacitor respectively; the second node of the second transistor is connected to both the second input port via a third capacitor and a third node of the first transistor, and the second node of the first transistor is connected to both the first input port via a fourth capacitor and a third node of the second transistor.

85. 发明授权

US09825790B1 Electronic toll collection receiver and method for improving receiving performance 有权
公开(公告)号：US09825790B1
公开(公告)日：2017-11-21
申请号：US15378499
申请日：2016-12-14
申请人： Beken Corporation
发明人： Weifeng Wang , Guodong Wang
IPC分类号： H04L27/06 , G07B15/06
CPC分类号： H04L27/06 , G07B15/063
摘要： An electronic toll collection receiver, comprising: an enveloping module configured to envelope an amplitude modulation (AM) signal; an averaging module connected to the enveloping module, configured to obtain an average value of the enveloped AM signal; a direct current blocking module connected to the enveloping module and the averaging module, configured to eliminate the average value from the enveloped AM signal; a comparing module connected to the direct current blocking module, configured to compare the average value and each of amplitude values of the enveloped AM signal; a correcting module connected to the comparing module and the directing current blocking module, configured to correct output values from the comparing module; and a decoder module connected to the correcting module, configured to decode the corrected output values from the correcting module.

86. 发明授权

US09801008B2 Wireless communication method without pairing identities in advance and device thereof 有权
公开(公告)号：US09801008B2
公开(公告)日：2017-10-24
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.

87. 发明授权

US09680435B1 Method and device for improving acoustics of an AM demodulation output signal 有权
公开(公告)号：US09680435B1
公开(公告)日：2017-06-13
申请号：US15257418
申请日：2016-09-06
申请人： Beken Corporation
发明人： Yiming Huang , Weifeng Wang
IPC分类号： H04H20/49 , H03G3/30 , H03M1/12
CPC分类号： H03G3/3005 , H03G3/3052 , H03G3/3068 , H03M1/124 , H04L27/08
摘要： A method for improving acoustics of amplitude modulation (AM) audio signal, comprising: amplifying and mixing, with an amplitude modulation (AM) front-end module, an analog AM signal and an automatic gain control (AGC) signal from an AGC module; converting and sampling, with an analog-digital converter and down-sampling module, the amplified and mixed signal to generate a digital AM signal; digitally mixing, with a digital mixer module, the digital AM signal to generate a first digital AM envelope signal; compensating, with an AM compensator module, the first digital AM envelope signal by an AM compensating AGC signal from the AM compensator module to generate a second digital AM envelope signal; demodulating, with a demodulation module, the second digital AM envelope signal; and outputting, with an output module, a demodulated AM audio signal.

88. 发明授权

US09491017B1 Circuit and method for improving phase detection 有权
标题翻译：用于改善相位检测的电路和方法
公开(公告)号：US09491017B1
公开(公告)日：2016-11-08
申请号：US14848354
申请日：2015-09-09
申请人： Beken Corporation
发明人： Weifeng Wang , Yiming Huang
IPC分类号： H04L27/22 , H04L27/18 , H04B10/556
CPC分类号： H04L27/22 , H04B10/556 , H04L25/06 , H04L27/18 , H04L27/2331
摘要： A circuit comprises a decision unit configured to obtain a plurality of decision errors based on a demodulated signal and an original symbol; a calculator configured to calculate an instant direct current error based on the plurality of the decision errors, and first and second variance error signals based on the instant direct current error; an error detector configured to obtain a first result by determining whether an absolute value of both the first variance error signal and an the second variance error signal are larger than a first threshold; obtain a second result by determining whether an absolute value of a first decision error of the plurality of the decision error is larger than a second threshold; and output a second closest constellation point as a corrected symbol corresponding to the first decision error at least based on the first result and the second result.
摘要翻译：电路包括：判定单元，被配置为基于解调信号和原始符号获得多个判定误差; 计算器，其被配置为基于所述多个判定误差来计算即时直流电流误差，以及基于所述即时直流电流误差的第一和第二方差误差信号; 误差检测器，被配置为通过确定所述第一方差误差信号和所述第二方差误差信号的绝对值是否大于第一阈值来获得第一结果; 通过确定多个判定误差的第一判定误差的绝对值是否大于第二阈值来获得第二结果; 并且至少基于第一结果和第二结果，输出与第一判定错误对应的校正符号的第二最近星座点。

89. 发明申请

US20160036396A1 Power Amplifier, and Method of the Same 审中-公开
标题翻译：功率放大器及其方法
公开(公告)号：US20160036396A1
公开(公告)日：2016-02-04
申请号：US14460363
申请日：2014-08-15
申请人： Beken Corporation
发明人： Yunfeng Chen , Dawei Guo , Peng Han
IPC分类号： H03F1/56 , H03F3/21
CPC分类号： H03F3/211 , H03F1/0277 , H03F3/193 , H03F3/45183 , H03F2203/45466 , H03F2203/45631 , H03F2203/45638 , H03F2203/45704
摘要： A power amplifier comprises a first inductor, a second inductor, a capacitor, a first MOS transistor, a second MOS transistor and a current source. The first and the second inductors are both connected to a first power supply. The first inductor and the second inductor form a differential inductor. The capacitor is connected to the first inductor at a first terminal of and to the second inductor at a second terminal. A drain of the first MOS transistor is connected to the first terminal of the capacitor. A drain of the second MOS transistor is connected to the second terminal of the capacitor. A first terminal of the current source is connected to sources of both the first and the second MOS transistors. A second terminal of the current source is connected to a second power supply. The current source outputs a variable current based on a bias voltage input.
摘要翻译：功率放大器包括第一电感器，第二电感器，电容器，第一MOS晶体管，第二MOS晶体管和电流源。第一和第二电感器都连接到第一电源。第一电感器和第二电感器形成差分电感器。电容器在第二端子处的第一端子处连接到第一电感器并连接到第二电感器。第一MOS晶体管的漏极连接到电容器的第一端子。第二MOS晶体管的漏极连接到电容器的第二端子。电流源的第一端子连接到第一和第二MOS晶体管的源极。电流源的第二端子连接到第二电源。电流源基于偏置电压输入输出可变电流。

90. 发明授权

US09118398B1 Switch configured to control a transceiver and a radio frequency system comprising the switch 有权
标题翻译：开关被配置为控制收发器和包括开关的射频系统
公开(公告)号：US09118398B1
公开(公告)日：2015-08-25
申请号：US14271446
申请日：2014-05-06
申请人： Beken Corporation
发明人： Peng Han , Dawei Guo , Yunfeng Chen
IPC分类号： H04B1/48 , H03K17/687 , H03K3/012
CPC分类号： H04B1/48 , H03K3/012 , H03K17/687
摘要： A circuit comprises a transmitter port; a receiver port; an antenna port configured to transmit a signal from the transmitter port to antenna port and receive a signal at antenna port and pass to the receiver port; and a switch configured to switch whether the transmitter port or the receiver port is communicatively coupled to the antenna port. The switch comprises a plurality of NMOS FETs configured to switch between the transmitter port and the receiver port.
摘要翻译：电路包括发射器端口; 接收端口; 天线端口，被配置为将信号从所述发射机端口传输到天线端口，并且在天线端口处接收信号并传递到所述接收器端口; 以及被配置为切换发送器端口或接收器端口是否通信地耦合到天线端口的开关。开关包括多个NMOS FET，其被配置为在发射器端口和接收器端口之间切换。

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