本文以美国专利与商标局(USPTO)专利数据库收录的1995--2004年的有关专利数据为基础,利用关键词检索与专利引文检索相结合的方法构建DVD激光头相关主题的专利数据集,运用专利文献耦合的文献计量学方法分析、确定和可视化表达DVD激光头技术发展中的主要竞争对手及其技术优势,为企业技术竞争情报分析提供有效的方法和示范。
Based on the data of USPTO from 1995 to 2004, a patent data set of DVD optical pickup is constructed by retrieving the patents through key words access and by searching the patent citations. The main competitors of technological sub - topics of DVD optical pickup are analyzed by citing patents coupling, and then the effective method and demonstration of Competitive Technical Intelligence(CTI) for enterprises are obtained.