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    • 3. 发明申请
    • Air Purification System
    • US20210100924A1
    • 2021-04-08
    • US16592775
    • 2019-10-04
    • Dong LiGe Yi
    • Dong LiGe Yi
    • A61L9/20B01D53/00B01D53/88A61L9/014
    • A portable or handhold air purification system, whose air flow pipeline made of highly reflective and low absorptive material for UVC or UVB light acts also as a UV light waveguide, is invented. The system is based on the design concept of maximizing UV light exposure dosage to deactivate all the pollutants in the air flow going through to allow the system to use UVC and/or UVB LED. The system also has some features around the middle point of the air flow path to either further increase light exposure, or clean the air flow through the interaction between the specially designed nano particles and incoming UV light. Moreover, an ozone filter and an air heating devices, with energy either from the heat sink of LED's TEC or a device based on plasmonic resonance induced photothermal effects, are placed near the air outlet of the system for further enhancement. The system is very useful for travelers in the closed environment such as in a airplane, or on a train. It can also use in office during flu season as well as provide cleaned air supply to its users against the hay-fever.
    • 8. 发明授权
    • Boom system, engineering machinery, and a method for acquiring boom system distal end position parameter
    • 动臂系统,工程机械,以及获取臂架远端位置参数的方法
    • US09187916B2
    • 2015-11-17
    • US14376748
    • 2012-04-17
    • Xiaogang YiZuoliang ZhangDong Li
    • Xiaogang YiZuoliang ZhangDong Li
    • E04G21/04G01B21/22B66C23/90G01B21/16
    • E04G21/0463B66C23/905E04G21/0445G01B21/16G01B21/22
    • The present invention provides a boom system, comprising a plurality of joint arms sequentially hinged through a horizontal hinge shaft, and further comprising: mounting two length sensors on each joint arm, wherein one length sensor measures the length of a corresponding joint arm after deformation, and the other length sensor measures the length between it and the distal end of the corresponding joint arm, and there is a preset distance between the two length sensors; mounting a dip angle sensor on each joint arm, and obtaining the angle between the connection line between the two length sensors and a reference plane; a processor which obtains boom system distal end position parameters according to the detection results of the dip angle sensor and the length sensors. The boom system according to the present invention, for a single joint arm, uses a single dip angle sensor and double draw line coders to obtain the distal end position parameters of the joint arm, and can more accurately obtain the boom system distal end position parameters. The present invention also provides an engineering machinery and a boom system distal end position parameter obtaining method.
    • 本发明提供了一种悬臂系统,其包括顺序地铰接在水平铰链轴上的多个关节臂,并且还包括:在每个关节臂上安装两个长度传感器,其中一个长度传感器测量变形后对应的关节臂的长度, 并且另一长度传感器测量其与相应联合臂的远端之间的长度,并且两个长度传感器之间存在预设距离; 在每个关节臂上安装倾角传感器,并获得两个长度传感器之间的连接线与参考平面之间的角度; 根据倾角传感器和长度传感器的检测结果获得吊杆系统远端位置参数的处理器。 根据本发明的悬臂系统,对于单个联合臂,使用单个倾角传感器和双牵引线编码器来获得关节臂的远端位置参数,并且可以更准确地获得悬臂系统的远端位置参数 。 本发明还提供一种工程机械和动臂系统远端位置参数获取方法。
    • 9. 发明授权
    • Video coding and decoding devices and methods and systems thereof
    • 视频编码和解码装置及其方法和系统
    • US09106915B2
    • 2015-08-11
    • US11754035
    • 2007-05-25
    • Dong Li
    • Dong Li
    • H04N7/12H04N19/174H04N19/176H04N19/102H04N19/61H04N19/137
    • H04N19/174H04N19/102H04N19/137H04N19/176H04N19/61
    • Disclosed are Video coding and decoding devices, methods and system thereof, in which the video coding device comprises a video coder for performing video coding on a frame including a plurality of macroblocks by a predefined coding technique so as to output a normal coded stream and for outputting a prediction error value for each of the macroblocks obtained through inter-frame movement prediction, a grading means for grading the macroblocks based on the prediction error values and allocating redundant bit to macroblocks at respective grades, a redundant coder for generating redundant information indicated by corresponding redundant bit for each of the graded macroblock, and a merger means for merging said normal coded stream and said redundant information to generate a final coded stream. With the configuration of the present invention, bit rate will not be increased significantly with content transmission quality being guaranteed.
    • 公开了视频编码和解码装置,方法和系统,其中视频编码装置包括用于通过预定义的编码技术对包括多个宏块的帧执行视频编码的视频编码器,以便输出正常编码流,并且 输出通过帧间移动预测获得的每个宏块的预测误差值,用于基于预测误差值对宏块进行分级并将冗余比特分配给各个等级的宏块的分级装置,用于产生冗余信息的冗余编码器,用于产生由 用于分级宏块中的每一个的对应冗余位,以及用于合并所述正常编码流和所述冗余信息以产生最终编码流的合并装置。 利用本发明的配置,在保证内容传输质量的同时,比特率将不会显着增加。