David Moore;Paul Richard Draper;Stephen Francis Gilmore;Joseph Butler
发明人:
Joseph Butler,David Moore,Paul Richard Draper,Stephen Francis Gilmore
申请号：
US14130032
公开号：
US09192726B2
申请日:
2012.07.12
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A drug delivery device is presented comprising of a housing, a plurality of contacts, and a cylindrical member configured to be rotatably supported inside the housing, wherein the outer surface of the cylindrical member is provided with a plurality of tracks together forming an encoder, each track comprising conductive segments and non-conductive segments, and wherein the cylindrical member is supported in the housing such that each track is engaged by a respective one of the plurality of contacts.
