公开(公告)号：US20170220141A1

公开(公告)日：2017-08-03

申请号：US15501274

申请日：2014-08-05

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： David Bradley Short ,  Jinman Kang ,  Ben Wynne ,  Jamie Etcheson

IPC: G06F3/0354 ,  G06F3/0346 ,  G06F3/038 ,  G06F3/03

CPC classification number: G06F3/03545 ,  G06F3/0304 ,  G06F3/0308 ,  G06F3/0325 ,  G06F3/0346 ,  G06F3/0383

Abstract: Data is captured by an image capture device of an input object that has a first retroreflective pattern and a second, different retroreflective pattern on a surface of the input object. A position of the input object in three dimensions is determined based on the received data.