The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2008
Filed:
Mar. 30, 2007
Kazuhiro Ogawa, Tokyo, JP;
Kenichi Takasu, Tokyo, JP;
Mitsuru Ogawa, Capelle a/d IJssel, NL;
Kabushiki Kaisha Topcon, Tokyo, JP;
Abstract
An RTK-GPS surveying system for surveying an object includes at least one satellite positioning device as a base station configured to send correction data, a plurality of satellite positioning devices as rover stations configured to receive the correction data, and a server provided in an IP-VPN communication network for establishing communication between the satellite positioning device as the base station and the plurality of satellite positioning devices as the rover stations, each of the satellite positioning devices has a satellite positioning part for receiving radio wave from a satellite, a communication part for performing communication between each of the satellite positioning devices, and a control part for controlling the satellite positioning part and the communication part.