Determining position inside building via laser rangefinder and handheld computer

Patent Number: 7,646,473
Issued: 1/12/2010
Official Filing: View the Complete Patent
Abstract: An apparatus, computer software, and a method of determining position inside a building comprising selecting on a PDA at least two walls of a room in a digitized map of a building or a portion of a building, pointing and firing a laser rangefinder at corresponding physical walls, transmitting collected range information to the PDA, and computing on the PDA a position of the laser rangefinder within the room.
Filed: 8/24/2006
Application Number: 11/509,161
Government Interests: STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.