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21. 发明授权

US07185011B1 Method and system for directory balancing 有权
标题翻译：用于目录平衡的方法和系统
公开(公告)号：US07185011B1
公开(公告)日：2007-02-27
申请号：US09703381
申请日：2000-10-31
申请人： Rajeev Dujari
发明人： Rajeev Dujari
IPC分类号： G06F17/30
CPC分类号： G06F21/51 , Y10S707/99937 , Y10S707/99953
摘要： A system and method for virtually eliminating a potential security risk inherent with the caching of network content. Random subdirectory names are generated for cache directories, while continuing to generate user-friendly file names. Security is achieved since malicious sites cannot guess the cache location, which if guessed along with the filename, could cause a user connected to the site to inadvertently execute malicious content downloaded by the site to the cache. In addition to generating random subdirectory names, the system and method provide enhanced performance by balancing the number of files among the cache directories, and by limiting the number of files in any cache directory by creating additional cache directories as needed.
摘要翻译：一种用于实际消除网络内容缓存所固有的潜在安全风险的系统和方法。为缓存目录生成随机子目录名称，同时继续生成用户友好的文件名。实现安全性是因为恶意站点无法猜测缓存位置，如果与文件名一起被猜测，则可能导致连接到站点的用户无意中将该站点下载的恶意内容执行到缓存。除了生成随机子目录名称之外，系统和方法通过平衡缓存目录中的文件数量以及通过根据需要创建其他缓存目录来限制任何缓存目录中的文件数量来提供增强的性能。

22. 发明授权

US06199107B1 Partial file caching and read range resume system and method 失效
标题翻译：部分文件缓存和读取范围恢复系统和方法
公开(公告)号：US06199107B1
公开(公告)日：2001-03-06
申请号：US09120982
申请日：1998-07-22
申请人： Rajeev Dujari
发明人： Rajeev Dujari
IPC分类号： G06F1314
CPC分类号： G06F17/30902
摘要： A method and system for caching partial downloads of network content and using that cached partial content to satisfy requests for content from client applications, in a manner that is invisible to the application. A network interface receives a request for content corresponding to cached partial content, determines what portion is cached and what portion is missing, and requests from the server only the missing range of content. When the missing content is received in a partial range response, it is merged with the cached content to provide the full content requested. The interface further transforms the range response to a response that the application is expecting and is capable of handling. Benefits include reduced client latency, reduced server load and improved network utilization. In an alternate enhancement, the interface uses pointers to track client requests for content with the amount of content received and cached for that content, to give the application the illusion of having random access to the content.
摘要翻译：一种方法和系统，用于缓存网络内容的部分下载并使用该缓存的部分内容以对应用程序不可见的方式满足来自客户端应用程序的内容的请求。网络接口接收对与缓存的部分内容相对应的内容的请求，确定高速缓存的部分和丢失的部分以及来自服务器的请求仅丢失内容的范围。当在部分范围响应中收到丢失的内容时，它将与缓存的内容合并，以提供所请求的完整内容。该界面进一步将范围响应转换为应用程序期望并能够处理的响应。优点包括减少客户端延迟，减少服务器负载和提高网络利用率。在另一个增强功能中，该接口使用指针来跟踪客户端对内容的请求，并为该内容接收和缓存的内容量，为应用程序提供对内容的随机访问的幻觉。

23. 发明授权

US6119153A Accessing content via installable data sources 失效
标题翻译：通过可安装的数据源访问内容
公开(公告)号：US6119153A
公开(公告)日：2000-09-12
申请号：US67342
申请日：1998-04-27
申请人： Rajeev Dujari , Adriaan Canter
发明人： Rajeev Dujari , Adriaan Canter
IPC分类号： G06F17/30 , H04L29/06 , H04L29/08 , G06F15/16 , G06F15/173
CPC分类号： G06F17/30902 , H04L67/02 , H04L67/28 , H04L67/2847 , H04L67/289 , H04L69/329
摘要： A method and system for increasing perceived Internet browser performance by using a relatively high-bandwidth data source such as a CD-ROM and/or a hard drive directory as a local cache of Internet content. The content is provided by content providers via some high-bandwidth data source such as a CD-ROM media for a CD-ROM drive. An install program provided with the content registers with the system one or more URL patterns such as prefixes corresponding to the content, in association with one or more file system patterns (e.g., prefixes) corresponding to a cache container (file system directory). When subsequently browsing to a URL having a matching pattern, the URL pattern is resolved to the cache container, which is then used with the rest of the URL to construct a local file reference. The local file is accessed from the high-bandwidth data source. If the local file is not found, the original http URL is instead used, whereby the content is downloaded in the normal manner. The installable cache may reside on a CD-ROM or other removable media, whereby an autorun program or script that executes each time the media is inserted into a drive updates the registered drive letter.
摘要翻译：一种用于通过使用诸如CD-ROM和/或硬盘驱动器目录之类的相对高带宽数据源作为因特网内容的本地缓存来增加感知到的因特网浏览器性能的方法和系统。内容由内容提供商通过诸如CD-ROM驱动器的CD-ROM介质之类的高带宽数据源来提供。与内容一起提供的安装程序与系统对应于与缓存容器（文件系统目录）对应的一个或多个文件系统模式（例如，前缀）相关联的一个或多个URL模式，例如与内容相对应的前缀。当随后浏览具有匹配模式的URL时，将URL模式解析为高速缓存容器，然后将其与URL的其余部分一起构建本地文件引用。从高带宽数据源访问本地文件。如果找不到本地文件，则使用原始的http URL，从而以正常方式下载内容。可安装的缓存可以驻留在CD-ROM或其他可移动介质上，由此每当介质被插入到驱动器中时执行的自动运行程序或脚本更新注册的驱动器号。

24. 发明授权

US5504591A System and method for compressing graphic images 失效
标题翻译：用于压缩图形图像的系统和方法
公开(公告)号：US5504591A
公开(公告)日：1996-04-02
申请号：US232624
申请日：1994-04-25
申请人： Rajeev Dujari
发明人： Rajeev Dujari
IPC分类号： H04N1/411 , G06T9/00 , H03M7/30 , H04N1/415 , G06K9/34 , G06K9/38
CPC分类号： G06T9/005
摘要： A system and method for compressing raster graphic or bit-map data reduces the storage requirements for the bit-map data. The system divides the bit-map data into one or more chaingons, which are a series of pixels that are contiguous in either the horizontal direction, the vertical direction, or diagonally. Each chaingon is defined by its starting location in the bit-map, and its length. Each chaingon is encoded separately using delta encoding with respect to the starting location of the chaingon. The delta encoding uses variable length data codes where the most common delta values are assigned the fewer data bits and the less common delta values are assigned more data bits. The delta encoded chaingons may be compressed to save additional storage space. The system may be readily used in any computer system where bit-map data files are stored or transmitted to a second computer. The invention is particularly useful in printers or facsimile machines where character fonts are transmitted along with text data. The character fonts may be processed using the present invention prior to transmission.
摘要翻译：用于压缩光栅图形或位图数据的系统和方法减少了位图数据的存储要求。该系统将位图数据分成一个或多个chaingons，它们是在水平方向，垂直方向或对角线上连续的一系列像素。每个chaingon由位图中的起始位置及其长度定义。每个chaingon都使用相对于chaingon起始位置的delta编码单独编码。增量编码使用可变长度数据代码，其中最常见的增量值被分配较少的数据位，较不常见的增量值被分配更多的数据位。可以压缩增量编码的chaingons以节省额外的存储空间。该系统可以容易地用于其中位图数据文件被存储或发送到第二计算机的任何计算机系统中。本发明在其中字符字体与文本数据一起传输的打印机或传真机中特别有用。字符字体可以在传输之前使用本发明进行处理。

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