AXICON-BASED IMAGING LENS ASSEMBLY IN IMAGING READER
摘要
An imaging lens assembly focuses light from indicia in a working range of distances along an optical path onto a solid-state imager of an imaging reader. The lens assembly includes an axicon and an aperture stop that together are operative for extending the working range.
申请公布号
WO2008016508(A3)
申请公布日期
2008.05.22
申请号
WO2007US16592
申请日期
2007.07.23
申请人
SYMBOL TECHNOLOGIES, INC.
发明人
GUREVICH, VLADIMIR;VINOGRADOV, IGOR;SHI, DAVID, TSI
