DRAPER, PAUL RICHARD,MORRIS, ANTHONY PAUL,GILMORE, STEPHEN FRANCIS
申请号：
HK15112331.6
公开号：
HK1211518A
申请日:
2015.12.15
申请国别(地区):
HK
年份:
2016
代理人:
摘要：
The invention relates to an arrangement for detecting a position of a plunger relative to a bung in a drug cartridge, comprising a proximity sensor located close to a distal end of the plunger facing the bung and aligned to receive light reflected by the bung.
