Digital current equalizing device, analog current equalizing device, current equalizing method and system

    公开(公告)号:US09467041B2

    公开(公告)日:2016-10-11

    申请号:US14404971

    申请日:2013-06-21

    CPC classification number: H02M3/04 H02M3/157 H02M3/1584 H02M2001/0009

    Abstract: Provided are a digital current equalizing device, an analog current equalizing device, a current equalizing method and a system. The digital current equalizing device comprises: an output current sampling amplifying module (102), a digital processing module (104), and a main power frequency conversion module (106). An input terminal of the output current sampling amplifying module (102) connects to an output loop of a power supply, and an output terminal of the output current sampling amplifying module (102) connects to a current equalizing bus through a resistor R0, wherein the digital processing module (104) is configured to adjust an output voltage reference signal Vr according to a difference between an output voltage signal V2 of the output current sampling amplifying module (102) and an voltage signal Vbus of the current equalizing bus, and the main power frequency conversion module (106) is controlled to adjust the voltage according to the adjusted output voltage reference signal Vr′. The technical solution is easy to implement and can improve the reliabilities of each power supply module and the whole power supply system.

    Virtual reality display method, device and apparatus, and computer storage medium

    公开(公告)号:US11474594B2

    公开(公告)日:2022-10-18

    申请号:US17311393

    申请日:2019-12-16

    Abstract: A virtual reality display method, device, apparatus and storage medium are provided. The method includes: acquiring multimedia data to be displayed and a visible region of a viewer on a curved display surface, wherein the visible region is obtained by projecting a visible range of the viewer to the curved display surface, and is not larger than a display area of the curved display surface; determining target curvatures of at least two positions in the visible region of the viewer, wherein in the target curvatures, target curvatures of different positions are related to a distance to a center of the visible region of the viewer; adjusting, based on the target curvatures of the at least two positions in the visible region, a curvature of a corresponding position on the curved display surface; and mapping the multimedia data to be displayed to the curved display surface having the adjusted curvature.

    Method and device for inverse quantization and inverse transformation and non-transitory computer-readable storage medium

    公开(公告)号:US11503297B2

    公开(公告)日:2022-11-15

    申请号:US17295266

    申请日:2019-11-20

    Abstract: Provided are method and device for inverse quantization and inverse transformation and non-transitory computer-readable storage medium. The method includes: performing inverse quantization processing on input data; determining whether secondary inverse transform processing is necessary; performing, in response to determining that the secondary inverse transform processing is necessary, the secondary inverse transform processing on data obtained through the inverse quantization processing, first one-dimensional inverse transform control processing on data obtained through the secondary inverse transform processing, and second one-dimensional inverse transform control processing on data obtained through the first one-dimensional inverse transform control processing; and performing, in response to determining that the secondary inverse transform processing is unnecessary, first one-dimensional inverse transform control processing on the data obtained through the inverse quantization processing, and second one-dimensional inverse transform control processing on the data obtained through the first one-dimensional inverse transform control processing.

    Method, device and system for realizing augmented reality information sharing
    4.
    发明申请
    Method, device and system for realizing augmented reality information sharing 审中-公开
    实现增强现实信息共享的方法,设备和系统

    公开(公告)号:US20150138231A1

    公开(公告)日:2015-05-21

    申请号:US14401244

    申请日:2013-07-09

    CPC classification number: G06K9/00671 G06T11/60 H04L67/38 H04W4/029

    Abstract: A method, device and system for realizing augmented reality information sharing are disclosed. The method includes that an intelligent mobile terminal transmits an obtained current image and determined current position information to a cloud end server; the cloud end server sends the received image to a computer related to the intelligent mobile terminal, obtains attribute information of the image according to the received position information, and sends the attribute information to the intelligent mobile terminal and the computer; and the intelligent mobile terminal and the computer respectively overlap the image and the attribute information to form augmented reality information. The disclosure can realize sharing of augmented reality information.

    Abstract translation: 公开了一种用于实现增强现实信息共享的方法,装置和系统。 该方法包括智能移动终端将获得的当前图像和确定的当前位置信息发送到云端服务器; 云端服务器将接收到的图像发送到与智能移动终端相关的计算机,根据接收到的位置信息获取图像的属性信息,并将属性信息发送到智能移动终端和计算机; 并且智能移动终端和计算机分别与图像和属性信息重叠以形成增强现实信息。 该公开可以实现增强现实信息的共享。

    Digital current equalizing device, analog current equalizing device, current equalizing method and system
    5.
    发明申请
    Digital current equalizing device, analog current equalizing device, current equalizing method and system 有权
    数字电流均衡装置,模拟电流均衡装置,电流均衡方式及系统

    公开(公告)号:US20150130426A1

    公开(公告)日:2015-05-14

    申请号:US14404971

    申请日:2013-06-21

    CPC classification number: H02M3/04 H02M3/157 H02M3/1584 H02M2001/0009

    Abstract: Provided are a digital current equalizing device, an analog current equalizing device, a current equalizing method and a system. The digital current equalizing device comprises: an output current sampling amplifying module (102), a digital processing module (104), and a main power frequency conversion module (106). An input terminal of the output current sampling amplifying module (102) connects to an output loop of a power supply, and an output terminal of the output current sampling amplifying module (102) connects to a current equalizing bus through a resistor R0, wherein the digital processing module (104) is configured to adjust an output voltage reference signal Vr according to a difference between an output voltage signal V2 of the output current sampling amplifying module (102) and an voltage signal Vbus of the current equalizing bus, and the main power frequency conversion module (106) is controlled to adjust the voltage according to the adjusted output voltage reference signal Vr′. The technical solution is easy to implement and can improve the reliabilities of each power supply module and the whole power supply system.

    Abstract translation: 提供数字电流均衡装置,模拟电流均衡装置,电流均衡方法和系统。 数字电流均衡装置包括:输出电流采样放大模块(102),数字处理模块(104)和主电力变频模块(106)。 输出电流采样放大模块(102)的输入端连接到电源的输出回路,输出电流采样放大模块(102)的输出端通过电阻R0连接到电流均衡总线,其中, 数字处理模块(104)被配置为根据输出电流采样放大模块(102)的输出电压信号V2和电流均衡总线的电压信号Vbus之间的差调整输出电压参考信号Vr, 控制电力变频模块(106),根据调整后的输出电压参考信号Vr'来调整电压。 该技术解决方案易于实施,可以提高每个电源模块和整个电源系统的可靠性。

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