Patent ID: 8024151

Claim:
A mobile handheld device configured to capture an image of a target and spatial data for determination of a position of the target, the device including: i) one or more spatial sensors including: a) one or more orientation sensors configured to determine an orientation of the mobile device; b) a laser distance meter configured to determine a distance from the mobile device to a target; and c) a positioning system configured to determine a position of the mobile instrument; and ii) a viewing device including a camera for providing an image, a marker module configured to superimpose a marker indicative of a datum position on the image, and a display screen for displaying the image superimposed with the marker; the marker including a plurality of image elements including a first element, and a second element having a visual content which contrasts with a visual content of the first element; visual content including one or more of colour, brightness and tonal content; and the laser distance meter being aligned with the datum position; and iii) a processor configured to cause data to be captured substantially simultaneously from the spatial sensors and camera in response to a single user instruction to take a reading.