Alim THAWER,Matthew J. HAYES,Quentin LE MASNE,Fabien JEANNEROT
申请号:
US16610365
公开号:
US20200054842A1
申请日:
2018.05.03
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A system determines the location of a tip of a hypodermic needle by moving a needle along a path, shining light from two sources onto respective portions of the path, and analysing signals received from the respective light sources that have been reflected by the needle.