公开(公告)号：US20210174770A1

公开(公告)日：2021-06-10

申请号：US17043826

申请日：2018-08-30

申请人： Zhang-Bin LIN ,  Jie-Ming JIANG ,  Chang-Fa XU ,  Hewlett-Packard Development Company, L.P.

发明人： Zhang-Bin Lin ,  Jie-Ming Jiang ,  Chang-Fa Xu

IPC分类号： G09G5/38 ,  G06F3/14 ,  G02B27/01

摘要： A point of sale (POS) device (400) includes a primary display (102) to illustrate content in a first direction, and a secondary display (104) to reflect a first content illustrated from a first section of the primary display (102), wherein the first content is reflected in a second direction opposite to the first direction.