超声波液位计专利技术综述  

Overview of Patent Technology of Ultrasonic Liquid Level Gauge

作　　者：黄文[1] 李兰玉 文生明 王昆朋 HUANG Wen;LI Lanyu WEN;Shengming;WANG Kunpeng(Patent Examination Cooperation Henan Center of the Patent Office,CNIPA,Zhengzhou Henan 450018)

机构地区：[1]国家知识产权局专利局专利审查协作河南中心

出　　处：《河南科技》2018年第27期59-62,共4页Henan Science and Technology

摘　　要：鉴于目前工业液位测量领域对超声波液位计的需求持续增长, 其核心技术仍为几家国外公司所掌握的现状.本文基于专利文献, 对超声液位计全球专利申请和技术功效进行了梳理, 有助于技术人员了解该技术的发展脉络、 重要申请人的相关技术分布, 同时也为相关企业和研究机构提供技术支持.Although the demand for ultrasonic liquid level gauge is increasing rapidly in the field of indus？trial liquid level measurement, the core technologies are still possessed by a few foreign companies. In view of the above facts, this paper nanlyzed the patent application status of ultrasonic liquid level gauge and the techni？cal effects of the patent applications. This paper provided an aid for technicians to understand the inventive con？cepts in this field by offering roadmap of ultrasonic liquid level gauge and technology distribution of important applicants.

关 键 词：超声波 液位计 专利分析 

分 类 号：TH816.2[机械工程—仪器科学与技术]