公开(公告)号：US10429310B2

公开(公告)日：2019-10-01

申请号：US15500212

申请日：2015-07-30

Applicant: Nokia Technologies Oy

Inventor： Chris Bower ,  Darryl Cotton ,  Mark Allen ,  Michael Astley ,  Joseph Bottomley

IPC: G01N21/78 ,  G01N27/04 ,  G01N27/12 ,  G01N27/00 ,  G06F3/044

Abstract: An apparatus and method comprising: a plurality of sensor elements wherein the sensor elements are configured to be actuated in response to exposure to a parameter and the apparatus is configured to record when each of the sensor elements are actuated wherein: the plurality of sensor elements comprises at least a first subset of sensor elements and at least a second subset of sensor elements where the first subset of sensor elements are actuated in response to a first level of exposure to a parameter and the second subset of sensor elements are actuated in response to a second level of exposure to a parameter.