专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20060222132A1 Receive timing manager 有权
公开(公告)号：US20060222132A1
公开(公告)日：2006-10-05
申请号：US11098130
申请日：2005-04-04
申请人： Denis Beaudoin , Ritesh Sojitra , Gregory Christison
发明人： Denis Beaudoin , Ritesh Sojitra , Gregory Christison
IPC分类号： H04L7/02
CPC分类号： H04L7/0338
摘要： A novel receive timing manager is presented. The preferred embodiment of the present invention comprises an edge detection logic to detect the data transition points, a plurality of data flip-flops for storing data at different sample points, and a multiplexer to select the ideal sample point based on the transition points found. A sample window is made with multiple samples. The sample window size can be designed smaller or greater than the system clock period based on the data transfer speed and accuracy requirement.

2. 发明申请

US20060153291A1 Digital video line-by-line dynamic rate adaptation 有权
公开(公告)号：US20060153291A1
公开(公告)日：2006-07-13
申请号：US11328204
申请日：2006-01-09
申请人： Gregory Christison
发明人： Gregory Christison
IPC分类号： H04N11/04 , H04N11/02 , H04N7/12 , H04B1/66
CPC分类号： H04N19/164 , H04N19/124 , H04N19/63
摘要： The present invention provides a method and apparatus for compressing video data for wireless transmission. The invention continually monitors the output of a video data encoder and maintains a running average for the data output rate over multiple lines of video data. The encoder compresses video data on a line-by-line basis. The invention also monitors the occupancy of the data buffer and as well as the performance of the wireless subsystem to determine real time available channel capacity. If the average data rate exceeds the available channel capacity, the invention increases data compression on subsequent lines of video data until the average data rate falls within the channel capacity. If the average data output rate is less than the channel capacity, the invention reduces data compression on subsequent lines of video data until the average data rate increases to match the channel capacity.

3. 发明申请

US20070189399A1 Wireless video link synchronization 有权
标题翻译：无线视频链路同步
公开(公告)号：US20070189399A1
公开(公告)日：2007-08-16
申请号：US11353291
申请日：2006-02-10
申请人： Gregory Christison , Fred Stivers , Felix Fernandes
发明人： Gregory Christison , Fred Stivers , Felix Fernandes
IPC分类号： H04B1/66
CPC分类号： H04N21/4305 , H04N21/4307 , H04N21/43637
摘要： The present invention provides a method and apparatus for synchronizing wireless video data. The method involves first synchronizing the pixel clock of a video output device with the pixel clock of a video input device. This is accomplished by latching video counters in the input and output devices (creating a transmit and receive timestamp) for each wireless video data packet and adjusting the pixel clock frequency of the output device according to differences between these timestamps. Once the pixel clocks are synchronized, video frames from the video output device are synchronized with video frames from video input device such that only a fraction of a video frame is buffered at any time. The video frames are synchronized by offsetting the data stream from the video input device N lines ahead of the data stream from the video output device, wherein N is less than the total number of lines in a single video frame.
摘要翻译：本发明提供一种用于同步无线视频数据的方法和装置。该方法包括首先使视频输出设备的像素时钟与视频输入设备的像素时钟同步。这通过将输入和输出设备中的视频计数器锁定（为每个无线视频数据包创建发送和接收时间戳）并根据这些时间戳之间的差异来调整输出设备的像素时钟频率来实现。一旦像素时钟被同步，来自视频输出设备的视频帧与来自视频输入设备的视频帧同步，使得只有一部分视频帧在任何时间被缓冲。通过从视频输出设备的数据流之前的N行偏移视频输入设备的数据流来同步视频帧，其中N小于单个视频帧中的总行数。

4. 发明申请

US20070188481A1 Wireless monitor proxy 有权
标题翻译：无线监控代理
公开(公告)号：US20070188481A1
公开(公告)日：2007-08-16
申请号：US11351747
申请日：2006-02-10
申请人： Gregory Christison , Brian Doherty , John Sarallo , Sidney Schrum
发明人： Gregory Christison , Brian Doherty , John Sarallo , Sidney Schrum
IPC分类号： G09G5/00
CPC分类号： G09G5/006 , G09G2370/042 , G09G2370/16
摘要： The present invention provides a method and apparatus for optimizing the transmission of video configuration data in a system comprising a host computer and a display monitor. The invention comprises a wireless video source adapter connected to the host computer and a wireless video sink adapter connected to the monitor. Upon system startup, the video sink adapter acquires EDID information from the monitor and transmits it to the video source adapter, which does not activate its connection and indicate its presence to the host computer until after receiving the EDID information. The video source adapter then supplies the EDID information to the host computer in response to EDID requests from the computer. In this manner, the video source adapter acts as a virtual proxy for the display monitor from the point of the view of the host computer. The host computer then uses the EDID information to configure its video signal to match the parameters of the display monitor.
摘要翻译：本发明提供一种用于在包括主计算机和显示监视器的系统中优化视频配置数据的传输的方法和装置。本发明包括连接到主计算机的无线视频源适配器和连接到监视器的无线视频宿适配器。在系统启动时，视频接收器适配器从监视器获取EDID信息，并将其发送到视频源适配器，视频源适配器在接收到EDID信息之前不会激活其连接并将其显示给主机。然后视频源适配器响应于来自计算机的EDID请求将EDID信息提供给主计算机。以这种方式，从主机视图的角度来看，视频源适配器充当显示监视器的虚拟代理。然后，主计算机使用EDID信息来配置其视频信号以匹配显示监视器的参数。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式