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    • 15. 发明申请
    • Efficient Implementation of Raster Operations Flow
    • 高效实施光栅操作流程
    • US20060285144A1
    • 2006-12-21
    • US11467709
    • 2006-08-28
    • Santhosh Kumar
    • Santhosh Kumar
    • G06F3/12
    • G06K15/00G06K15/1806G06K15/1822
    • According to one aspect, a printer supports transparency operations by generating mask data at interpretation stage which indicates whether each bit of a page content would be determined by the result of a raster operation or a prior destination value. The mask data can be used to complete quickly rendering of a page image once the rendering starts. Another aspect enables color fills of objects to be performed efficiently. A raster operations engine may determine whether all the points (pixels) of the object would have the same value if the raster operation is performed. If all pixels would have the same value, the value for only one pixel is computed and used for multiple pixels of the object. According to another aspect, when a pattern is to be tiled on an entire image portion, the pattern data is stored in a memory and provided as an input to rendering operation multiple times.
    • 根据一个方面,打印机通过在解释阶段产生掩模数据来支持透明度操作,其指示页面内容的每个位是否将由光栅操作的结果或先前的目的地值确定。 渲染开始后,掩模数据可用于完成页面图像的快速渲染。 另一方面使得能够有效地执行对象的颜色填充。 如果执行光栅操作,则光栅操作引擎可以确定对象的所有点(像素)是否具有相同的值。 如果所有像素都具有相同的值,则仅计算一个像素的值并将其用于对象的多个像素。 根据另一方面,当在整个图像部分上平铺图案时,图案数据被存储在存储器中并被提供作为多次渲染操作的输入。
    • 17. 发明授权
    • WiFi and GSM landmarks and neighborhoods for location based services
    • WiFi和GSM地标和社区,用于基于位置的服务
    • US08185135B2
    • 2012-05-22
    • US13172706
    • 2011-06-29
    • Mohit GuptaPrashanth MohanLenin Ravindranath SivalingamSanthosh Kumar
    • Mohit GuptaPrashanth MohanLenin Ravindranath SivalingamSanthosh Kumar
    • H04W24/00
    • H04W4/02H04W64/00
    • A system for capturing and delivering location-based information and services captures wireless landmark information sent by mobile devices to build a map of locations based on the relationship between wireless landmarks that are visible to the mobile device at the same time. A wireless landmark may be a cellular telephone base site or local network (WiFi/Bluetooth) access point. The mobile device may capture a location signature using identifiers for all wireless local area networks in range as well as one or more cellular telephone transmitters. A location service resolves the location signature into a relative location that an application service may use to record incoming information or to send location-specific information such as traveler comments, reviews, or advertisements. The distance between two mobile devices may be calculated using weighted edge values, representing a number of ‘hops’ between location signatures.
    • 用于捕获和传送基于位置的信息和服务的系统捕获移动设备发送的无线地标信息,以基于移动设备同时可见的无线地标之间的关系构建位置图。 无线地标可以是蜂窝电话基站或本地网(WiFi /蓝牙)接入点。 移动设备可以使用范围内的所有无线局域网以及一个或多个蜂窝电话发射机的标识符来捕获位置签名。 位置服务将位置签名解析为应用服务可用于记录传入信息或发送位置特定信息(例如旅行者评论,评论或广告)的相对位置。 可以使用加权边缘值计算两个移动设备之间的距离,表示位置签名之间的“跳”数。