公开(公告)号：USD970704S1

公开(公告)日：2022-11-22

申请号：US29849575

申请日：2022-08-12

申请人： Cheng Zhang

设计人： Cheng Zhang

公开(公告)号：US11148201B2

公开(公告)日：2021-10-19

申请号：US15182042

申请日：2016-06-14

申请人： Arvind Agarwal ,  Benjamin Boesl ,  Pranjal Nautiyal ,  Chris Rudolf ,  Cheng Zhang

发明人： Arvind Agarwal ,  Benjamin Boesl ,  Pranjal Nautiyal ,  Chris Rudolf ,  Cheng Zhang

IPC分类号： B22F7/02 ,  B22F3/105 ,  B22F3/18 ,  C23C14/18 ,  C23C14/58 ,  C22C47/06 ,  C22C21/00 ,  C22C47/04 ,  C22C47/02 ,  B22F1/02 ,  B82Y30/00 ,  B82Y40/00

摘要： Aluminum-boron nitride nanotube composites and methods of making thereof are disclosed herein. In at least one specific embodiment, the method can include: at least partially coating boron nitride nanotubes with aluminum to make an aluminum-boron nitride nanotube layered structure, where the at least partially coating is performed by sputter deposition, and where the boron nitride nanotubes have a length of about 100 μm to about 300 μm; sintering the aluminum-boron nitride nanotube layered structure to make an aluminum-boron nitride nanotube pellet, where the sintering is performed by spark plasma sintering; and rolling the aluminum-boron nitride nanotube pellet to make the aluminum-boron nitride nanotube composite.

公开(公告)号：US10941464B1

公开(公告)日：2021-03-09

申请号：US16916190

申请日：2020-06-30

申请人： Arvind Agarwal ,  Tanaji Paul ,  Cheng Zhang ,  Pranjal Nautiyal

发明人： Arvind Agarwal ,  Tanaji Paul ,  Cheng Zhang ,  Pranjal Nautiyal

IPC分类号： C22C1/02 ,  C22C1/10 ,  C22C29/16 ,  B22D27/00

摘要： Metal-nanoparticle composites, such as metal-boron nitride nanoparticle composites, and methods of manufacturing the same are provided. Ultrasonic casting techniques can be used to achieve uniform dispersion of nanoparticles, such as boron nitride nanotubes (BNNTs) in a metal matrix, such as aluminum. The BNNTs can be incorporated into the melt of the metal, and ultrasonic treatment can then be applied.

公开(公告)号：US09531257B2

公开(公告)日：2016-12-27

申请号：US13513992

申请日：2010-12-28

申请人： Cheng Zhang ,  Hans Halberstadt

发明人： Cheng Zhang ,  Hans Halberstadt

IPC分类号： H02M1/42 ,  G05F5/00 ,  H02M3/156 ,  H02M1/00

CPC分类号： H02M1/4225 ,  G05F5/00 ,  H02M3/156 ,  H02M2001/0025 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16

摘要： A power factor corrector raises power factor at low loads or high mains voltages by modifying the switch timing or the current received by the power converter. It achieves this by increasing the switch-on time of a control switch during the falling time so that the majority of the switch-on time during a mains period occurs during the falling time, to thereby control the current received by the converter to compensate for current received by the intermediate filter. Some embodiments may employ a feedback system to produce one or more error signals that modify the control signal used to control the operation of the converter. Various embodiments may also include additional stages that limit the compensation range of the error signal.

摘要翻译： 功率因数校正器通过修改开关时序或电源转换器接收到的电流来提高低负载或高电源电压下的功率因数。 它通过在下降时间内增加控制开关的接通时间来实现这一点，使得在电源时段期间的大部分接通时间在下降时间期间发生，从而控制由转换器接收的电流来补偿 电流由中间滤波器接收。 一些实施例可以采用反馈系统来产生修改用于控制转换器的操作的控制信号的一个或多个误差信号。 各种实施例还可以包括限制误差信号的补偿范围的附加级。

公开(公告)号：US09049366B2

公开(公告)日：2015-06-02

申请号：US14063840

申请日：2013-10-25

申请人： Hong Zhang ,  Qing Yang ,  Hong Ru Xu ,  Cheng Zhang

发明人： Hong Zhang ,  Qing Yang ,  Hong Ru Xu ,  Cheng Zhang

IPC分类号： H04N5/225 ,  G03B15/03 ,  G02B7/02 ,  H04N5/232

CPC分类号： H04N5/23212

摘要： The present invention relates to a device and method for driving an under damped voice coil motor (VCM) actuator of a camera lens. In one embodiment, the device for driving an under damped VCM actuator comprises a first generator operable to read a first manufacture data from an image signal processor (ISP) and to generate a half natural period, ½ Td, of the VCM actuator by selecting a value approximate to the first data in a first table of the device, a second generator operable to read a second manufacture data from the ISP and to generate the maximum overshoot, K, of the VCM actuator by selecting a value approximate to the second data in a second table of the device, an input shaping signal generator operable to read an input signal corresponding to a desired camera lens moving distance from the ISP and to generate a shaping signal according to the value of the half natural period and the maximum overshoot. The input shaping signal may be produced from second order, third order and fourth order input shaping function. The present invention also provides a simple implementation of a driver configuration to achieve a fast camera lens focus speed, yet robust to tolerate actual system deviation from a manufacture design.

摘要翻译： 本发明涉及用于驱动照相机镜头的下阻尼音圈电机（VCM）致动器的装置和方法。 在一个实施例中，用于驱动下阻尼VCM致动器的装置包括第一发生器，其可操作以从图像信号处理器（ISP）读取第一制造数据，并且通过选择一个VCM致动器来产生半自然周期（1/2 Td） 值接近装置的第一表中的第一数据，第二发生器可操作以从ISP读取第二制造数据，并通过选择近似于第二数据的值来产生VCM致动器的最大过冲K 该设备的第二表，输入整形信号发生器，其可操作以读取对应于来自ISP的期望的相机镜头移动距离的输入信号，并根据半自然周期和最大过冲的值生成整形信号。 输入整形信号可以由二阶，三阶和四阶输入整形功能产生。 本发明还提供了驱动器配置的简单实现，以实现快速的相机镜头聚焦速度，而且可以耐受实际的系统与制造设计的偏差。

公开(公告)号：US08351232B2

公开(公告)日：2013-01-08

申请号：US12647958

申请日：2009-12-28

申请人： Cheng Zhang

发明人： Cheng Zhang

IPC分类号： H02M7/217

CPC分类号： H02M1/4225 ,  G05F5/00 ,  H02M3/156 ,  H02M2001/0025 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16

摘要： Various exemplary embodiments relate to a power factor corrector for low loads and a related method. The power factor corrector raises power factor at low loads or high mains voltages by having the a greater amount of current delivered to the load during the falling time of the absolute value of the mains AC voltage than during the applicable rising time. Various embodiments achieve this by increasing the switch-on time of a control switch during the falling time so that the majority of the switch-on time during a mains period occurs during the falling time. This may involve using a timing voltage increasing over a period within each half mains cycle to increase the switch-on time of conversion cycles in the falling time. This may also involve shifting the power conversion in time domain during each half mains cycle so that a majority of the time occurs during the falling time. Various embodiments may employ both methods.

摘要翻译： 各种示例性实施例涉及用于低负载的功率因数校正器和相关方法。 功率因数校正器在低负载或高电源电压下提高功率因数，通过在电源交流电压绝对值的下降时间内比在适用的上升时间内更多的电流传送到负载。 各种实施例通过在下降时间期间增加控制开关的接通时间来实现这一点，使得在电力周期期间的大部分接通时间在下降时间期间发生。 这可能涉及使用在每个半电源周期内的周期上增加的定时电压以在下降时间内增加转换周期的接通时间。 这也可能涉及在每个半电源周期期间在时域中移动功率转换，使得大部分时间在下降时间内发生。 各种实施例可以采用两种方法。

公开(公告)号：US20110307631A1

公开(公告)日：2011-12-15

申请号：US13155717

申请日：2011-06-08

申请人： Sangbong Park ,  Cheng Zhang ,  Hyun Jin Cho ,  Lindsay John Lawrence

发明人： Sangbong Park ,  Cheng Zhang ,  Hyun Jin Cho ,  Lindsay John Lawrence

IPC分类号： G06F15/16

CPC分类号： G06Q30/0201 ,  G06Q10/101 ,  G06Q30/0241 ,  G06Q50/01

摘要： A method and system for providing asynchronous data communication between a plurality of devices in a networked environment is disclosed. A user using a first device views view media content received from a first content provider of a plurality of service providers. At a request of the user, a message including a data link to the media content is generated and asynchronously sent to a second device via a network. The data link contained in the received message on the second device is used to retrieve the media content from a second content provider. Various action commands contained in the message are used to control the operation of the media content on the second device.

摘要翻译： 公开了一种用于在网络环境中的多个设备之间提供异步数据通信的方法和系统。 使用第一设备的用户观看从多个服务提供商的第一内容提供商接收的媒体内容。 在用户的请求下，生成包括到媒体内容的数据链接的消息，并通过网络异步地发送到第二设备。 包含在第二设备上的接收到的消息中的数据链接用于从第二内容提供商检索媒体内容。 包含在消息中的各种动作命令用于控制第二设备上的媒体内容的操作。

公开(公告)号：US07617743B2

公开(公告)日：2009-11-17

申请号：US11530387

申请日：2006-09-08

申请人： Yaohui Zhang ,  Cheng Zhang

发明人： Yaohui Zhang ,  Cheng Zhang

IPC分类号： G01N35/10

CPC分类号： G01N35/1004 ,  B01L3/5082 ,  B01L99/00

摘要： Disclosed are a device and a method for distributing measurement sample and cleaning tubes. The device comprises a diluent container for accommodating a diluent therein; an aspirating tube for sucking a measurement sample; a first syringe for quantifying the measurement sample; a second syringe for quantifying the diluent; a first switching unit for switching between a first passage and a second passage; a bath; a sample buffer tube communicated with the first syringe; a dispensing tube for dispensing the measurement sample or the diluent into the bath; a second switching unit for switching between a third passage and a fourth passage. A reagent buffer tube, a reagent container and a third switching unit may be further provided between the sample buffer tube and the first syringe, or between the second switching unit and the input port of the dispensing tube.

摘要翻译： 公开了用于分配测量样品和清洁管的装置和方法。 该装置包括用于在其中容纳稀释剂的稀释剂容器; 用于吸取测量样品的抽吸管; 用于量化测量样品的第一注射器; 用于量化稀释剂的第二注射器; 第一切换单元，用于在第一通道和第二通道之间切换; 洗澡 与第一注射器连通的样品缓冲管; 用于将测量样品或稀释剂分配到浴中的分配管; 用于在第三通道和第四通道之间切换的第二切换单元。 还可以在样品缓冲管和第一注射器之间或第二切换单元和分配管的输入口之间设置试剂缓冲管，试剂容器和第三切换单元。

公开(公告)号：US07607363B2

公开(公告)日：2009-10-27

申请号：US11530388

申请日：2006-09-08

申请人： Yaohui Zhang ,  Cheng Zhang ,  Liangqing Li

发明人： Yaohui Zhang ,  Cheng Zhang ,  Liangqing Li

IPC分类号： G01N1/14 ,  B67D5/16

CPC分类号： G01N35/1095 ,  G01N35/1016 ,  G01N2035/1032

摘要： The present invention discloses a liquid volumetric device comprising a metering tube, a start sensor, an end sensor, a bath for storage of a sample to be metered, a vacuum chamber and a pump for pumping out air inside the vacuum chamber to form a negative pressure inside the vacuum chamber. The start sensor and the end sensor are provided respectively at the bottom and the top of the metering tube, the top of the metering tube is in communication respectively with the vacuum chamber and the outside atmosphere via pipelines, the bottom of the metering tube is in communication respectively with the bath and the vacuum chamber via pipelines, and control parts are provided in each of the pipelines for controlling connection/disconnection thereof. Thus, by forming a negative pressure inside the vacuum chamber, a sample in the bath may be pressed from down to up into the metering tube by means of a pressure difference between the atmosphere and the negative pressure, so as to complete the volume metering, whereby an occurrence of the side flow phenomenon can be completely eliminated.

摘要翻译： 本发明公开了一种液体体积装置，包括计量管，起始传感器，端部传感器，用于储存要计量的样品的浴，真空室和泵，用于抽出真空室内的空气以形成负的 真空室内的压力。 启动传感器和端部传感器分别设置在计量管的底部和顶部，计量管的顶部通过管道与真空室和外部大气分别连通，计量管的底部处于 通过管道分别与浴室和真空室通信，并且在每个管道中设置控制部件，用于控制其连接/断开。 因此，通过在真空室内形成负压，可以通过大气压与负压之间的压力差将浴中的样品从下向上按压到计量管中，从而完成体积计量， 从而可以完全消除侧流现象的发生。

公开(公告)号：US20090228903A1

公开(公告)日：2009-09-10

申请号：US12395259

申请日：2009-02-27

申请人： Yi Che ,  Yan Zhou ,  Cheng Zhang

发明人： Yi Che ,  Yan Zhou ,  Cheng Zhang

IPC分类号： G06F9/46

CPC分类号： G06Q10/10

摘要： The present invention is directed to an apparatus, system, methods, and computer-program product for sending a data event so that a work flow event can be correlated with a data event. According to one embodiment of the invention, a data event sending apparatus can be provided. The apparatus can include a receiver for receiving data revised by a node from which a work flow event is emitted, a formatter for obtaining correlation information on the work flow event according to predefined logic for the revised data, and for formatting the revised data and the correlation information to obtain a data event, and a sender for sending the data event.

摘要翻译： 本发明涉及用于发送数据事件以使工作流事件能够与数据事件相关联的装置，系统，方法和计算机程序产品。 根据本发明的一个实施例，可以提供数据事件发送装置。 该装置可以包括用于接收由工作流事件发出的节点修改的数据的接收器，用于根据修订数据的预定义逻辑获得关于工作流事件的相关信息的格式器，以及格式化修订数据和 相关信息以获得数据事件，以及用于发送数据事件的发送者。