公开(公告)号：EP3149561A4

公开(公告)日：2018-01-17

申请号：EP14893176

申请日：2014-05-30

Applicant: HEWLETT-PACKARD DEV COMPANY L P

Inventor： THOMAS III FRED CHARLES ,  BLAHO BRUCE E

IPC: G06F3/033 ,  G06F3/03 ,  G06F3/0354 ,  G06F3/042

CPC classification number: G06F3/0321 ,  G06F3/03545 ,  G06F3/0425

Abstract: Positional input systems and methods are provided. Using a handheld device comprising a detector, to which display of a plurality of displays a detector is proximate may be determined. Using the detector, at least a part of an optical pattern disposed on the display to which the detector is proximate may be detected. The part of the optical pattern may correspond to a location on the display.

公开(公告)号：EP3170064A4

公开(公告)日：2018-02-21

申请号：EP14897535

申请日：2014-07-16

Applicant: HEWLETT-PACKARD DEV COMPANY L P

Inventor： THOMAS FRED C III ,  BLAHO BRUCE E

IPC: G06F3/042 ,  G06F3/033

CPC classification number: G06F3/03542 ,  G02B5/008 ,  G02B5/0242 ,  G02B5/0278 ,  G02B5/0294 ,  G02B2207/101 ,  G02B2207/113 ,  G06F3/0304 ,  G06F3/0321 ,  G06F3/03545 ,  G06T11/203

Abstract: A display includes a display stack to generate a digital display image. A media layer includes a plurality of diffusive emissive elements disposed in a predetermined pattern. The diffusive emissive elements on the media layer emit a scattered signal in response to light incident to the media layer.