A drug delivery device comprising; a housing; a cylindrical member configured to be rotatably supported inside the housing, wherein the outer surface of the cylindrical member is provided with a track comprising a sequence of encoded images; and a sensor directed at the track of the cylindrical member and configured to detect features of the encoded images.
申请公布号
CA2838811(A1)
申请公布日期
2013.01.24
申请号
CA20122838811
申请日期
2012.07.12
申请人
SANOFI-AVENTIS DEUTSCHLAND GMBH
发明人
DRAPER, PAUL RICHARD;BUTLER, JOSEPH;YATES, BARRY;GILMORE, STEPHEN FRANCIS