关于可视电话的专利分析  

Patent Analysis for Video Telephone

作　　者：吴翔晖[1] 冯楠[1] 于峰[1] 刘红阳[1] 

机构地区：[1]国家知识产权局专利局专利审查协作北京中心,北京100096

出　　处：《电视技术》2013年第S2期25-27,共3页Video Engineering

摘　　要：随着芯片技术、传输技术、数字通信、视频编码技术和集成电路技术不断发展并日趋成熟,适合商用和民用的可视电话浮出水面,走上人们的视野。在中国,关于可视电话的专利申请从20世纪90年代初开始出现,到21世纪开始数量上升较快,很明显,各大企业和机构已经纷纷展开了对该技术的专利部署。从可视电话技术的发展现状、专利申请年度分布情况、专利申请的IPC分布、申请人排名、专利申请区域分布等,进行了多视角的专利分析。With the continuous development and maturation of the technology in chip,transmission,digital communication,video coding and integrated circuit,video telephone for business and civil is coming into the people's vision.In China,patent applications about video telephone have been appeared from the beginning of ninety's of the last century,and the number is increasing quickly in this century.Obviously,enterprise and research organizations have launched patents in this area.In this paper,patent analysis for video telephone technology is made in multi-angle of view from developing status,annual distribution of the amount of patent application,IPC layout,primary applicant sort and area distributing,et al..

关 键 词：可视电话 视频电话 多媒体电话 专利分析 

分 类 号：TN949.28[电子电信—信号与信息处理]