从专利角度分析无缝室内外定位技术的发展态势

姜珍,陈伟航,张馥楠,余京宪,闫舒,张茹

Development Situation of Seamless Indoor and Outdoor Positioning from Patent Perspective

Zhen Jiang,Weihang Chen,Funan Zhang,Jingxian Yu,Shu Yan,Ru Zhang

图2 无缝室内外定位领域专利的在华申请趋势