公开(公告)号：US10414605B2

公开(公告)日：2019-09-17

申请号：US15258941

申请日：2016-09-07

申请人： Hewlett-Packard Development Company, L.P.

发明人： Ethan Lee ,  Devin Uehling ,  Peter J Boucher

IPC分类号： B65H7/06 ,  B65H3/06 ,  B65H3/52

摘要： In one example, a torque control system for a sheet media pick mechanism to move a top sheet of media from a stack of media sheets into a nip between a pick roller and a separator roller. The torque control system includes a sensor to sense a number of consecutive pick failures and a controller operatively connected to the sensor to reduce a torque applied to the separator roller during a pick attempt after each pick failure in an amount corresponding to the number of consecutive pick failures sensed by the sensor.

公开(公告)号：US20190210383A1

公开(公告)日：2019-07-11

申请号：US16330841

申请日：2016-09-08

申请人： Hewlett-Packard Development Company, L.P.

发明人： Ethan Lee ,  Devin S Uehling

IPC分类号： B41J13/00 ,  B65H3/06 ,  B65H5/06 ,  B65H7/18

CPC分类号： B41J13/0045 ,  B41J13/103 ,  B65H3/06 ,  B65H3/0669 ,  B65H5/062 ,  B65H7/02 ,  B65H7/18 ,  B65H2407/21 ,  B65H2511/20 ,  B65H2513/10 ,  B65H2515/32 ,  B65H2557/26 ,  B65H2557/264 ,  B65H2220/02 ,  B65H2220/01

摘要： A system to pick print media from a media tray and feed the print media to a media path includes a pick roller to contact the print media and pick the print media from the media tray, a motor to rotate the pick roller, and a controller to operate the motor to rotate the pick roller in a first mode to pick the print media from the media tray and operate the motor to rotate the pick roller in a second mode different than the first mode to feed the print media to the media path.

公开(公告)号：US20180065822A1

公开(公告)日：2018-03-08

申请号：US15258941

申请日：2016-09-07

申请人： Hewlett-Packard Development Company, L.P.

发明人： Ethan Lee ,  Devin Uehling ,  Peter J. Boucher

IPC分类号： B65H7/04 ,  B41J11/00 ,  B65H3/06

CPC分类号： B65H3/0669 ,  B65H3/5261 ,  B65H7/06 ,  B65H2403/732 ,  B65H2404/144 ,  B65H2511/529 ,  B65H2513/53 ,  B65H2515/32 ,  B65H2220/01 ,  B65H2220/02

摘要： In one example, a torque control system for a sheet media pick mechanism to move a top sheet of media from a stack of media sheets into a nip between a pick roller and a separator roller. The torque control system includes a sensor to sense a number of consecutive pick failures and a controller operatively connected to the sensor to reduce a torque applied to the separator roller during a pick attempt after each pick failure in an amount corresponding to the number of consecutive pick failures sensed by the sensor.