Virtual white lines for delimiting planned excavation sites
US8218827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Aug 8, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/05
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for facilitating detection of a presence or an absence of at least one underground facility within a dig area. A digital image of a geographic area including the dig area is electronically received, and at least a portion of the received digital image is displayed on a display device. The dig area is delimited on the displayed digital image, via a user input device associated with the display device, so as to generate a marked-up digital image including a delimited dig area, without acquiring geographic coordinates to delimit the dig area. Information relating to the dig area is electronically transmitted and/or electronically stored so as to facilitate the detection of the presence or the absence of the at least one underground facility within the dig area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.