Topcon’s Millimeter GPS™ applications start-to-finish on project
LIVERMORE, CA -- Topcon Positioning systems' industry-leading Millimeter GPSTM precise positioning technology has been expanded to include asphalt pavers. The world's first 3D-GPS+ control system for pavers, profilers and trimmers was introduced last year.
The Topcon Millimeter GPS system allows contractors to use one GPS system for finish grading, trimming, profiling and paving airport, highway and parking lot projects.
Topcon's unique technology provides a significant enhancement in the vertical measuring precision of RTK GPS. The technology, known as Lazer ZoneTM, is used by hundreds of companies worldwide to generate a vertical accuracy to within a few millimeters as compared to the centimeter vertical accuracy of conventional RTK GPS.
Utilized on asphalt pavers, the Millimeter GPS technology incorporates a unique zone-beam laser transmitter, the PZL 1, that sweeps a 2,000 foot diameter (600m) area with a 33-foot (10m) high wall of laser light. A compact sensor, the PZS MC, is mounted on a mast which is attached to the toe arm of the paver. Any time the PZS-MC sensor is positioned within the laser zone signal, the system provides vertical data resulting in millimeter vertical measuring precision.
Millimeter GPS technology is "up to 300 percent more accurate than standard GPS, and will provide the best 3D machine control in the industry," Murray Lodge, TPS director of sales-construction, said. "The Lazer Zone technology brings together the simplicity of a rotating laser, the accuracy of a robotic total station, and the flexibility and multiple user capabilities of GPS into one complete job site solution," he said.
About Topcon Positioning Systems: Topcon Positioning Systems, a developer and manufacturer of positioning equipment, offers the world's leading selection of innovating precision GPS, GIS, laser, agriculture, optical surveying, and machine control products, software, and applications. Topcon Corporation is traded on the Tokyo Stock Exchange (7732). 
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