Invention Grant
US07201318B2 Optical adjustment for increased working range and performance in electro-optical readers 有权
光学读取器的工作范围和性能的光学调整

Optical adjustment for increased working range and performance in electro-optical readers
Abstract:
Working range is increased in an electro-optical reader or an imager for reading indicia by applying a voltage to a variable lens to change the shape of a liquid therein.
Information query
Patent Agency Ranking
0/0