公开(公告)号：US20210323065A1

公开(公告)日：2021-10-21

申请号：US17365024

申请日：2021-07-01

Applicant: Zhi Zhao ,  Chao Wang ,  Yu Yao

Inventor： Zhi Zhao ,  Chao Wang ,  Yu Yao

IPC: B22F10/10 ,  B33Y70/00 ,  B33Y10/00 ,  H05K1/09 ,  B29C64/00 ,  B22F1/00

Abstract: An additive manufacturing process for forming a metallic layer on the surface of the substrate includes fabricating a substrate from a polymerizable composition by a stereolithographic process, and contacting the reactive surface with an aqueous solution including a metal precursor. The metal precursor includes a metal, and the polymerizable composition includes a multiplicity of multifunctional components. Each multifunctional component includes a reactive moiety extending from a surface of the substrate to form a reactive surface. An interface between the reactive surface and the aqueous solution is selectively irradiated to form nanoparticles including the metal in a desired pattern. The nanoparticles are chemically coupled to the reactive surface by reactive moieties, thereby forming a metallic layer on the surface of the substrate.

公开(公告)号：US10298297B2

公开(公告)日：2019-05-21

申请号：US13878581

申请日：2011-10-21

Applicant: Qimei Cui ,  Shiyuan Li ,  Xiaofeng Tao ,  Chao Wang

Inventor： Qimei Cui ,  Shiyuan Li ,  Xiaofeng Tao ,  Chao Wang

IPC: H04B7/0417 ,  H04B7/0452 ,  H04B7/06 ,  H04L1/00 ,  H04L1/20

Abstract: A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.

公开(公告)号：US10295629B2

公开(公告)日：2019-05-21

申请号：US14551888

申请日：2014-11-24

Applicant: Wei Ping Peng ,  Stefan Stocker ,  Chao Wang

Inventor： Wei Ping Peng ,  Stefan Stocker ,  Chao Wang

IPC: G01V3/00 ,  G01R33/385

Abstract: The present embodiments provide a gradient coil assembly. The gradient coil assembly includes an aluminum wire body, and a copper wire end connected by cold pressure welding to two ends of the aluminum wire body. Using the gradient coil according to a particular embodiment, it is possible to reduce gradient coil weight as well as reduce the thickness of an outer vacuum chamber used for a magnet, thereby reducing the cost of the magnet and gradient coil, and making it less difficult to install and maintain the magnet and gradient coil. There is no problem of oxidation associated with the cold pressure welding of the aluminum wire body to the copper wire ends, so quality defects arising from such oxidation are avoided.

公开(公告)号：US10230162B2

公开(公告)日：2019-03-12

申请号：US15417199

申请日：2017-01-26

Applicant: Chao Wang ,  Yongli Chen ,  Ya Wang

Inventor： Chao Wang ,  Yongli Chen ,  Ya Wang

IPC: H01Q1/48 ,  H01Q1/22 ,  H01Q1/24 ,  H01Q9/42

Abstract: Provided is an antenna system, including a system ground unit, a metal back cover, a frame as antenna radiator, and a grounding circuit, a feeding circuit and a tuning switch, the antenna radiator includes a main radiator and an auxiliary radiator; the main radiator includes a first main radiator which forms, together with the metal back cover, a first main gap, a second main radiator extending from the first main radiator and forms, together with the metal back cover, a second main gap, and a first fracture separating the first main radiator into two parts; the auxiliary radiator includes a first auxiliary radiator which forms, together with the metal back cover, a first auxiliary gap, a second auxiliary radiator extending from the first auxiliary radiator and forms, together with the metal back cover, a second auxiliary gap, and a second fracture separating the first auxiliary radiator into two parts.

公开(公告)号：US20170012341A1

公开(公告)日：2017-01-12

申请号：US15011458

申请日：2016-01-29

Applicant: Jianchun Mai ,  Chao Wang

Inventor： Jianchun Mai ,  Chao Wang

IPC: H01Q1/24 ,  H01Q5/50

CPC classification number: H01Q1/243 ,  H01Q13/10 ,  H01Q13/16 ,  H01Q21/28

Abstract: An antenna system applicable to a mobile communication device is provided in the present disclosure. The antenna system includes a metal shell with a metal frame and a metal back cover, a printed circuit board (PCB) housed in the metal shell, and an antenna part with a first feed point and a second feed point. A first break point and a second break point are formed at two opposite sides of the metal frame; a first gap and a second gap are respectively formed at two opposite sides of the metal back cover for defining a first clearance area and a second clearance area. The first feed point is located in the first clearance area and contacts a left frame portion of the metal frame; the second feed point is located in the second clearance area and contacts a right frame portion of the metal frame.

Abstract translation: 在本公开中提供了适用于移动通信设备的天线系统。 天线系统包括具有金属框架和金属后盖的金属外壳，容纳在金属外壳中的印刷电路板（PCB）和具有第一馈电点和第二馈电点的天线部分。 第一断点和第二断点形成在金属框架的两个相对的两侧; 第一间隙和第二间隙分别形成在金属后盖的两个相对侧上，用于限定第一间隙区域和第二间隙区域。 第一馈电点位于第一间隙区域中，并接触金属框架的左框架部分; 第二馈电点位于第二间隙区域中并接触金属框架的右框架部分。

公开(公告)号：US20150333411A1

公开(公告)日：2015-11-19

申请号：US13879300

申请日：2013-02-08

Applicant: Nan Wang ,  Orville Nyhus ,  Chao Wang

Inventor： Nan Wang ,  Orville Nyhus ,  Chao Wang

IPC: H01Q21/00 ,  H01Q21/08 ,  H01Q1/12

CPC classification number: H01Q21/0075 ,  H01Q1/12 ,  H01Q1/246 ,  H01Q3/26 ,  H01Q21/08 ,  H01Q21/205

Abstract: An embodiment of an integrated stripline feed network for a linear antenna array comprises a power distribution network coupled to the linear antenna array; a feed signal input/output component coupled to the power distribution network; wherein the input/output component receives a feed signal and splits the feed signal for distributing to a plurality of antenna elements of the linear antenna array through the power distribution network. The integrated stripline feed network is configured to be integrated into a support body of the linear antenna array, wherein, the support body structurally supports the linear antenna array.

Abstract translation: 用于线性天线阵列的集成带状线馈电网络的实施例包括耦合到线性天线阵列的配电网络; 耦合到配电网络的馈送信号输入/输出组件; 其中所述输入/输出部件接收馈送信号并且分割所述馈送信号以通过所述配电网络分配到所述线性天线阵列的多个天线元件。 集成带状线馈电网络被配置为集成到线性天线阵列的支撑体中，其中，支撑体在结构上支撑线性天线阵列。

公开(公告)号：US09041728B2

公开(公告)日：2015-05-26

申请号：US13448402

申请日：2012-04-17

Applicant: Jian-Chao Wang

Inventor： Jian-Chao Wang

IPC: G09G3/20 ,  G09G5/02 ,  G09G3/36

CPC classification number: G09G3/2048 ,  G09G3/3614 ,  G09G5/026 ,  G09G2320/0242 ,  G09G2320/0247 ,  G09G2340/10

Abstract: An image dithering module is provided. The image dithering module includes a plurality of data processing channels. The data processing channels respectively process image data of each pixel or sub-pixel in an image frame. Each of the data processing channels includes a bit processing unit and a bit truncator unit. The bit processing unit mixes first pixel data with random data to generate second pixel data. The bit truncator unit truncates partial bits of the second pixel data to generate third pixel data.

Abstract translation: 提供图像抖动模块。 图像抖动模块包括多个数据处理通道。 数据处理通道分别处理图像帧中的每个像素或子像素的图像数据。 每个数据处理通道包括位处理单元和位截断器单元。 位处理单元将第一像素数据与随机数据混合以产生第二像素数据。 位截断器单元截断第二像素数据的部分位以产生第三像素数据。

公开(公告)号：US09007995B2

公开(公告)日：2015-04-14

申请号：US13522374

申请日：2011-01-30

Applicant: Qimei Cui ,  Shiyuan Li ,  Xiaofeng Tao ,  Chao Wang ,  Xianjun Yang

Inventor： Qimei Cui ,  Shiyuan Li ,  Xiaofeng Tao ,  Chao Wang ,  Xianjun Yang

IPC: H04W4/00 ,  H04B7/06 ,  H04L1/00 ,  H04B7/04

CPC classification number: H04B7/0639 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04L1/0026 ,  H04W72/042 ,  H04W76/15

Abstract: A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.

Abstract translation: 本发明提供了基于码本的信道信息反馈方法，装置和系统。 基于码本的信道信息反馈方法包括：通信系统中的终端测量终端与通信系统的基站之间的下行链路信道的参数; 通过使用下行链路信道的参数从预编码码本中选择多个预编码矩阵，其中多个预编码矩阵可以由单用户多输入多输出（MIMO）传输模式和多用户 MIMO传输模式，预编码码本是预编码矩阵的聚合; 并向基站反馈用于指示多个预编码矩阵的第一信息。

公开(公告)号：US20140347229A1

公开(公告)日：2014-11-27

申请号：US14280838

申请日：2014-05-19

Applicant: Yongli Chen ,  Chao Wang

Inventor： Yongli Chen ,  Chao Wang

IPC: H01Q1/24 ,  H01Q1/50

CPC classification number: H01Q1/243 ,  H01Q5/371 ,  H01Q9/42

Abstract: An antenna assembly is disclosed. The antenna assembly includes a radiation body, an antenna feed portion, a RF feed portion, a first branch having one end electrically connecting to the antenna feed portion, and another end electrically connects to a first feed point of the radiation body, the first feed point dividing the radiation body into a first radiation portion and a second radiation portion. The antenna assembly further includes a second branch electrically connecting to a second feed point of the second radiation portion, an impedance matching circuit coupled between the antenna feed portion and the RF feed portion. The impedance matching circuit receives the low frequency signals and matches the impedance, then feeds to the antenna feed portion.

Abstract translation: 公开了一种天线组件。 天线组件包括辐射体，天线馈电部分，RF馈送部分，第一分支，其一端电连接到天线馈电部分，另一端电连接到辐射体的第一馈电点，第一馈电 将辐射体分成第一辐射部分和第二辐射部分。 天线组件还包括电连接到第二辐射部分的第二馈电点的第二支路，耦合在天线馈电部分和RF馈电部分之间的阻抗匹配电路。 阻抗匹配电路接收低频信号并匹配阻抗，然后馈送到天线馈电部分。

公开(公告)号：US08723130B2

公开(公告)日：2014-05-13

申请号：US14000421

申请日：2012-04-23

Applicant: Guangjie Zhai ,  Keming Du ,  Chao Wang ,  Wenkai Yu

Inventor： Guangjie Zhai ,  Keming Du ,  Chao Wang ,  Wenkai Yu

IPC: G01T1/00

CPC classification number: G01J1/44 ,  G01J1/0414 ,  G01J1/42 ,  G01J2001/442

Abstract: A single-photon counting imaging system and method includes an optical filter, first and second lenses, a digital micro-mirror device (DMD) control system, a single-photon counter and a data processing unit. The DMD and first and second lenses convert two-dimensional image data into a one-dimensional sequence. The ultra-weak light is filtered by the optical filter, after which the ultra-weak light image onto the DMD through the first lens. The DMD controls the probability of the photons reflected to the second lens and the second lens controls focusing of the photons. The data processing unit and single-photon counter complete sparse reconstruction. The data processing unit converts the number of photons counted by the single-photon counter within a certain period of time into the probability of detected photon counts. A photon density image is reconstructed by adopting an optimization algorithm based on the measurement matrix on the DMD and the measured value.

Abstract translation: 单光子计数成像系统和方法包括滤光器，第一和第二透镜，数字微镜器件（DMD）控制系统，单光子计数器和数据处理单元。 DMD和第一和第二透镜将二维图像数据转换为一维序列。 超弱光被滤光器滤光，此后超弱光图像通过第一透镜到DMD上。 DMD控制反射到第二透镜的光子的概率，而第二透镜控制光子的聚焦。 数据处理单元和单光子计数器完成稀疏重建。 数据处理单元将在一定时间段内由单光子计数器计数的光子数转换成检测到的光子计数的概率。 通过采用基于DMD测量矩阵和测量值的优化算法重构光子密度图像。