发明申请
US20090190964A1 SMART DONOR ROLLS USING INDIVIDUALLY ADDRESSABLE PIEZOELECTRIC ACTUATORS 有权
使用个别可寻址压电致动器的智能转子

SMART DONOR ROLLS USING INDIVIDUALLY ADDRESSABLE PIEZOELECTRIC ACTUATORS
摘要:
Exemplary embodiments provide a roll member that includes one or more piezoelectric tape and methods for making and using the roll member. The piezoelectric tape can be flexible and include a plurality of piezoelectric elements configured in a manner that the piezoelectric elements can be addressed individually or as groups with various numbers of elements in each group. In an exemplary embodiment, the disclosed roll member can be used as a donor roll for a development system of an electrophotographic printing machine to create controlled and desired toner powder cloud for high quality image development, such as an image on image development in a hybrid scavengeless development (HSD) system.
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