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利用“ProQuest Dialog”专利数据库,对电子证件专用芯片的世界范围内专利分布情况、公司研发水平、专利热点以及核心专利等进行检索及挖掘分析,结果显示,电子机读证件专用芯片中,中国的专利数量最多,芯片模块为该领域的热点方向。通过数据挖掘找出了该领域核心专利集中的国家与机构,分析该领域的中国专利,以全面了解该技术领域的创新状况,为公安电子护照专用芯片产业发展战略提供信息参考。
Utilizing the “ProQuest Dialog” patent database, we searched and analyzed the world-wide distribution of patents, the research and development level, the patent hot spots and core patents of the special electronic chips. The results showed that in the special chips for electronic machine readable certificates, China has the largest number of patents and the chip module is the hot spot in the field. Through data mining, it finds out the countries and agencies concentrated in the core patents in this field, analyzes the Chinese patents in this field, and fully understands the innovation status in this field of technology, which provides reference for the development strategy of special chip industry of public security electronic passport.