Surveying system
First Claim
1. A surveying system for a construction site, comprising:
- a restricted antenna system including a plurality of fixed location antennas each located at a known position at the construction site; and
a computing device including a display screen, a Global Positioning System GPS receiver, and a communications module establishing a data transfer link with the restricted antenna system;
wherein the computing device displays one or more project drawings corresponding to the construction site on the display screen, a position marker being overlaid on the display screen of the project drawing at a position thereon corresponding to a computing device location value, the computing device location value selectively derived from a distance between a current location of the computing device and the one or more of the fixed location antennas, or from location data provided by the GPS receiver indicating the current location of the computing device.
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Accused Products
Abstract
A surveying system for a construction site has a restricted antenna system with a plurality of fixed location antennas each defined by a set of location data associated with a specific deployment position. The surveying system also has a computing device with a data processor and a display screen. A communications module establishes a data transfer link with the restricted antenna system over which spatial data for distances between current positions of the computing device and one or more of the plurality of fixed location antennas are received. The computing device is loadable with project drawings corresponding to the construction site and displayable on the display screen. A position marker is overlaid on the display of the project drawing at a position thereon corresponding to a computing device location value derived from the spatial data and the location data of one or more of the fixed location antennas.
20 Citations
19 Claims
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1. A surveying system for a construction site, comprising:
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a restricted antenna system including a plurality of fixed location antennas each located at a known position at the construction site; and a computing device including a display screen, a Global Positioning System GPS receiver, and a communications module establishing a data transfer link with the restricted antenna system; wherein the computing device displays one or more project drawings corresponding to the construction site on the display screen, a position marker being overlaid on the display screen of the project drawing at a position thereon corresponding to a computing device location value, the computing device location value selectively derived from a distance between a current location of the computing device and the one or more of the fixed location antennas, or from location data provided by the GPS receiver indicating the current location of the computing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of navigating a construction site with a computing device, the method comprising:
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displaying on the computing device, one or more project drawings from a central database, the project drawings including at least one element defined by a set of position coordinates corresponding to a position within the construction site; selectively receiving, from a restricted antenna system receiver in communication with a restricted antenna system including a plurality of known location antennas located within the construction site, and an on-board GPS receiver on the computing device, a set of coordinates corresponding to a current position of the computing device within the construction site; and overlaying a device position marker on the display of the one or more project drawings based upon the set of coordinates from the location reporting system. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification