公开(公告)号：US09172420B2

公开(公告)日：2015-10-27

申请号：US14123218

申请日：2012-05-16

申请人： Jian Bai

发明人： Jian Bai

IPC分类号： H04B1/38 ,  H04B1/40 ,  H04B1/00

CPC分类号： H04B1/40 ,  H04B1/006

摘要： The present disclosure discloses a mobile communication terminal comprising: a first antenna, being configured to receive a radio frequency (RF) signal from the outside; a wireless transceiver, being configured to obtain the RF signal and amplifies a down-converted signal in the RF signal into a baseband signal; a baseband processor, being configured to obtain the baseband signal from the wireless transceiver and demodulate the baseband signal to generate a to-be-transmitted signal; the wireless transceiver is further configured to convert the to-be-transmitted signal into an RF signal and output the RF signal from the signal transmitting port; and a second antenna, being configured to obtain the to-be-transmitted RF signal and transmit the to-be-transmitted RF signal. With the above technical solution, the present disclosure solves the problem of insertion loss caused by using a duplexer, thereby lowering the noise level in the transmitting path within the receiving frequency band.

摘要翻译： 本公开公开了一种移动通信终端，包括：第一天线，被配置为从外部接收射频（RF）信号; 无线收发器，被配置为获得RF信号并将RF信号中的下变频信号放大为基带信号; 基带处理器，被配置为从所述无线收发器获得所述基带信号，并且解调所述基带信号以生成待发送信号; 无线收发器还被配置为将待发射信号转换成RF信号并从信号发送端口输出RF信号; 以及第二天线，被配置为获得要发送的RF信号并发送待传输的RF信号。 利用上述技术方案，本发明解决了使用双工器引起的插入损耗的问题，从而降低了接收频带内的发送路径中的噪声电平。

公开(公告)号：US20140133372A1

公开(公告)日：2014-05-15

申请号：US14125880

申请日：2012-05-28

申请人： Jian Bai

发明人： Jian Bai

IPC分类号： H04L5/14 ,  H04B1/38

CPC分类号： H04W88/00 ,  H04B1/006 ,  H04B1/0067 ,  H04B1/04 ,  H04B1/16 ,  H04B1/18 ,  H04B1/525

摘要： A wireless communication transmitting and receiving system may comprise a wireless transmitting and receiving unit, a receiving processing circuit, a transmitting processing circuit, and a receiving aerial and a transmitting aerial. Both the receiving processing circuit and the transmitting processing circuit may be connected to the wireless transmitting and receiving unit, and the receiving aerial and the transmitting aerial may be connected to the receiving processing circuit and the transmitting processing circuit. The present invention also may use a dual-aerial structure in which a transmitting channel is separated from a receiving channel and the two channels use respective aerials for communication; the separate aerials may provide an isolation of approximately 10 dB, thus lowering the in-band noise receiving requirement for the transmitting channel.

摘要翻译： 无线通信发送和接收系统可以包括无线发送和接收单元，接收处理电路，发送处理电路，以及接收天线和发送天线。 接收处理电路和发送处理电路都可以连接到无线发送和接收单元，并且接收天线和发送天线可以连接到接收处理电路和发送处理电路。 本发明还可以使用双天线结构，其中发射信道与接收信道分离，并且两个信道使用相应的天线进行通信; 单独的天线可以提供大约10dB的隔离，因此降低了发射信道的带内噪声接收要求。

公开(公告)号：US20140087670A1

公开(公告)日：2014-03-27

申请号：US14123218

申请日：2012-05-16

申请人： Jian Bai

发明人： Jian Bai

IPC分类号： H04B1/40

CPC分类号： H04B1/40 ,  H04B1/006

摘要： The present disclosure discloses a mobile communication terminal comprising: a first antenna, being configured to receive a radio frequency (RF) signal from the outside; a wireless transceiver, being configured to obtain the RF signal and amplifies a down-converted signal in the RF signal into a baseband signal; a baseband processor, being configured to obtain the baseband signal from the wireless transceiver and demodulate the baseband signal to generate a to-be-transmitted signal; the wireless transceiver is further configured to convert the to-be-transmitted signal into an RF signal and output the RF signal from the signal transmitting port; and a second antenna, being configured to obtain the to-be-transmitted RF signal and transmit the to-be-transmitted RF signal. With the above technical solution, the present disclosure solves the problem of insertion loss caused by using a duplexer, thereby lowering the noise level in the transmitting path within the receiving frequency band.

摘要翻译： 本公开公开了一种移动通信终端，包括：第一天线，被配置为从外部接收射频（RF）信号; 无线收发器，被配置为获得RF信号并将RF信号中的下变频信号放大为基带信号; 基带处理器，被配置为从所述无线收发器获得所述基带信号，并且解调所述基带信号以生成待发送信号; 无线收发器还被配置为将待发射信号转换成RF信号并从信号发送端口输出RF信号; 以及第二天线，被配置为获得要发送的RF信号并发送待传输的RF信号。 利用上述技术方案，本发明解决了使用双工器引起的插入损耗的问题，从而降低了接收频带内的发送路径中的噪声电平。

公开(公告)号：US07372043B2

公开(公告)日：2008-05-13

申请号：US11155070

申请日：2005-06-16

申请人： Timothy H. Joyce ,  Jean-Luc Truche ,  Jian Bai

发明人： Timothy H. Joyce ,  Jean-Luc Truche ,  Jian Bai

IPC分类号： H01J27/00

CPC分类号： H01J49/164 ,  H01J49/0422 ,  H01J49/0477 ,  H01J49/0486

摘要： The invention described herein provides a matrix-based ion source including a gas heating device for providing heated gas at a defined temperature to the ionization region of the ion source. The ion source may also include a temperature sensor. The heating device and temperature sensor may be operably connected to work as a closed feedback loop to provide gas at a constant, pre-determined, temperature to the ionization region. Also disclosed is a mass spectrometer system having the matrix-based ion source. A method of producing ions employing gas that is heated to a pre-determined temperature is also provided.

摘要翻译： 本文描述的本发明提供了一种基于矩阵的离子源，其包括用于在限定的温度下向离子源的电离区域提供加热气体的气体加热装置。 离子源还可以包括温度传感器。 加热装置和温度传感器可以可操作地连接以作为闭合反馈回路工作，以将恒定的预定温度的气体提供给电离区域。 还公开了具有基于基质的离子源的质谱仪系统。 还提供了使用被加热到预定温度的气体产生离子的方法。

公开(公告)号：US20080083882A1

公开(公告)日：2008-04-10

申请号：US11539280

申请日：2006-10-06

申请人： Jian Bai

发明人： Jian Bai

IPC分类号： H01J27/24

CPC分类号： H01J49/164 ,  H01J49/168

摘要： The invention provides a mass spectrometry system, including an ion source for ionizing a sample. The ion source includes a surface for holding and ionizing the sample, an ion collection device adjacent to the surface for receiving ions that are ionized from the surface, a voltage source in electrical connection with the surface and the ion collection device for defining a field ionization field between the surface and the ion collection device, and a light source adjacent to the surface for producing a light source for irradiating and ionizing the sample on the surface, wherein the voltage source produces a field ionization field for ionizing the sample and the light source produces a light for irradiating and ionizing the sample and the same sample on the surface is ionized; and a detector downstream from the ion source for detecting the ions.The invention also provides an ion source for ionizing a sample. The ion source includes a surface for holding and ionizing a sample, an ion collection device adjacent to the surface for receiving ions that are ionized from the surface, a voltage source in electrical connection with the surface and the ion collection device for defining a field ionization field between the surface and the collection device, and a light source adjacent to the surface for producing a light for irradiating and ionizing the sample on the surface, wherein the voltage source produces a field ionization field for ionizing the sample and the laser produces a light source for irradiating and ionizing the sample and the sample on the surface is ionized.The invention also provides a method for ionizing a sample. The method includes the steps of applying a field ionization field to the sample and irradiating the sample with a light source to ionize the sample.

摘要翻译： 本发明提供一种质谱系统，其包括用于离子化样品的离子源。 离子源包括用于保持和离子化样品的表面，与表面相邻的用于接收从表面离子化的离子的离子收集装置，与表面电连接的电压源和用于限定场电离的离子收集装置 表面和离子收集装置之间的光场和与表面相邻的光源，用于产生用于在表面上照射和电离样品的光源，其中电压源产生用于电离样品和光源的场电离场 产生用于照射和电离样品的光，并且表面上的相同样品被电离; 以及用于检测离子的离子源下游的检测器。 本发明还提供了用于离子化样品的离子源。 离子源包括用于保持和离子化样品的表面，邻近表面的用于接收从表面离子化的离子的离子收集装置，与表面电连接的电压源和用于限定场电离的离子收集装置 表面和收集装置之间的光，以及与表面相邻的光源，用于产生用于在表面上照射和电离样品的光，其中电压源产生用于电离样品的场电离场，并且激光产生光 将样品和表面上的样品照射和电离的源被离子化。 本发明还提供了一种用于离子化样品的方法。 该方法包括以下步骤：将场电离场施加到样品并用光源照射样品以使样品电离。

公开(公告)号：US07193206B2

公开(公告)日：2007-03-20

申请号：US10806907

申请日：2004-03-22

申请人： Jian Bai ,  Steven M. Fischer ,  J. Michael Flanagan

发明人： Jian Bai ,  Steven M. Fischer ,  J. Michael Flanagan

IPC分类号： B01D59/44 ,  H01J49/00

CPC分类号： H01J49/164

摘要： A mass spectrometer having a matrix-assisted laser desorption ionization (MALDI) source which operates at ambient pressure is disclosed. The apparatus and method are disclosed to analyze at least one sample which contains at least one analyte using matrix-assisted laser desorption ionization (MALDI), which apparatus comprises: The present invention relates to an apparatus and a method for ionizing at least one analyte in a sample for delivery to a mass analysis device, comprising: (a) an ionization enclosure including a passageway configured for delivery of ions to the mass analysis device; (b) means to maintain said ionization enclosure at an ambient pressure of greater than 100 mTorr; (c) a holder configured for maintaining a matrix containing said sample in the ionization enclosure at said ambient pressure; (d) a source of laser energy including means associated with the ionization enclosure for directing the laser energy onto said matrix maintained by the holder at the ambient pressure to desorb and ionize at least a portion of the analyte in the sample, and (e) means for directing at least a portion of the at least one ionized analyte into the passageway. The ambient pressure (AP-MALDI) source is compatible with various mass analyzers, particularly with mass spectrometers and solves many problems associated with conventional MALDI sources operating under vacuum. Atmospheric pressure MALDI is described. The analysis of organic molecules or fragments thereof, particularly biomolecules, e.g., biopolymers and organisms, is described.

摘要翻译： 公开了具有在环境压力下操作的基质辅助激光解吸电离（MALDI）源的质谱仪。 公开了该装置和方法以使用矩阵辅助激光解吸电离（MALDI）分析至少一个含有至少一种分析物的样品，该装置包括：本发明涉及用于将至少一种分析物离子化的装置和方法 用于传送到质量分析装置的样品，包括：（a）电离外壳，其包括经配置以将离子输送到质量分析装置的通道; （b）将所述电离外壳保持在大于100mTorr的环境压力下的装置; （c）构造成用于在所述环境压力下将包含所述样品的基质保持在所述电离外壳中的保持器; （d）激光能量源，其包括与电离外壳相关联的装置，用于将激光能量引导到由保持器在环境压力下维持的所述基体上以解吸并离子化样品中的至少一部分分析物，以及（e） 用于将所述至少一种离子化分析物的至少一部分引导到所述通道中的装置。 环境压力（AP-MALDI）源与各种质量分析仪兼容，特别是与质谱仪兼容，解决了与在真空下运行的常规MALDI源有关的许多问题。 描述了大气压力MALDI。 描述了有机分子或其片段，特别是生物分子，例如生物聚合物和生物体的分析。

公开(公告)号：US07135689B2

公开(公告)日：2006-11-14

申请号：US11041118

申请日：2005-01-21

申请人： Jean-Luc Truche ,  Jian Bai ,  Timothy Joyce

发明人： Jean-Luc Truche ,  Jian Bai ,  Timothy Joyce

IPC分类号： H01J27/00

CPC分类号： H01J49/164 ,  H01J49/0477

摘要： The present invention relates to an apparatus and method for use with a mass spectrometer. The ion enhancement system of the present invention is used to direct a heated gas toward ions produced by a matrix based ion source and detected by a detector. The ion enhancement system is interposed between the ion source and the detector. The analyte ions that contact the heated gas are enhanced and an increased number of ions are more easily detected by a detector. The method of the invention comprises producing analyte ions from a matrix based ion source, enhancing the analyte ions with an ion enhancement system and detecting the enhanced analyte ions with a detector.

公开(公告)号：US07102128B2

公开(公告)日：2006-09-05

申请号：US10806808

申请日：2004-03-22

申请人： Jian Bai ,  Steven M. Fischer ,  J. Michael Flanagan

发明人： Jian Bai ,  Steven M. Fischer ,  J. Michael Flanagan

IPC分类号： B01D59/44 ,  H01J49/00

CPC分类号： H01J49/164

摘要： A mass spectrometer having a matrix-assisted laser desorption ionization (MALDI) source which operates at ambient pressure is disclosed. The apparatus and method are disclosed to analyze at least one sample which contains at least one analyte using matrix-assisted laser desorption ionization (MALDI), which apparatus comprises:The present invention relates to an apparatus and a method for ionizing at least one analyte in a sample for delivery to a mass analysis device, comprising: (a) an ionization enclosure including a passageway configured for delivery of ions to the mass analysis device; (b) means to maintain said ionization enclosure at an ambient pressure of greater than 100 mTorr; (c) a holder configured for maintaining a matrix containing said sample in the ionization enclosure at said ambient pressure; (d) a source of laser energy including means associated with the ionization enclosure for directing the laser energy onto said matrix maintained by the holder at the ambient pressure to desorb and ionize at least a portion of the analyte in the sample, and (e) means for directing at least a portion of the at least one ionized analyte into the passageway. The ambient pressure (AP-MALDI) source is compatible with various mass analyzers, particularly with mass spectrometers and solves many problems associated with conventional MALDI sources operating under vacuum. Atmospheric pressure MALDI is described. The analysis of organic molecules or fragments thereof, particularly biomolecules, e.g., biopolymers and organisms, is described.

公开(公告)号：US20050161613A1

公开(公告)日：2005-07-28

申请号：US11041118

申请日：2005-01-21

申请人： Jean-Luc Truche ,  Jian Bai ,  Timothy Joyce

发明人： Jean-Luc Truche ,  Jian Bai ,  Timothy Joyce

IPC分类号： H01J49/04 ,  H01J49/16 ,  H01J27/00

CPC分类号： H01J49/164 ,  H01J49/0477

摘要： The present invention relates to an apparatus and method for use with a mass spectrometer. The ion enhancement system of the present invention is used to direct a heated gas toward ions produced by a matrix based ion source and detected by a detector. The ion enhancement system is interposed between the ion source and the detector. The analyte ions that contact the heated gas are enhanced and an increased number of ions are more easily detected by a detector. The method of the invention comprises producing analyte ions from a matrix based ion source, enhancing the analyte ions with an ion enhancement system and detecting the enhanced analyte ions with a detector.

公开(公告)号：US20050077464A1

公开(公告)日：2005-04-14

申请号：US10966454

申请日：2004-10-15

申请人： Jean-Luc Truche ,  Jian Bai

发明人： Jean-Luc Truche ,  Jian Bai

IPC分类号： H01J49/04 ,  H01J49/16 ,  H01J49/00

CPC分类号： H01J49/164 ,  H01J49/0477

摘要： The present invention relates to an apparatus and method for use with a mass spectrometer. The ion enhancement system of the present invention is used to direct a heated gas toward ions produced by a matrix based ion source and detected by a detector. The ion enhancement system is interposed between the ion source and the detector. The analyte ions that contact the heated gas are enhanced and an increased number of ions are more easily detected by a detector. The method of the invention comprises producing analyte ions from a matrix based ion source, enhancing the analyte ions with an ion enhancement system and detecting the enhanced analyte ions with a detector.