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. 04, 2012
Filed:
Jan. 21, 2008
Yoshiaki Koizumi, Chiyoda-ku, JP;
Naoyuki Hibara, Chiyoda-ku, JP;
Toshiyasu Higuma, Chiyoda-ku, JP;
Noriyuki Kushiro, Chiyoda-ku, JP;
Yoshiaki Koizumi, Chiyoda-ku, JP;
Naoyuki Hibara, Chiyoda-ku, JP;
Toshiyasu Higuma, Chiyoda-ku, JP;
Noriyuki Kushiro, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;
Abstract
To provide a positioning system that clearly defines a disposition of a base station for identifying a position of a radio set. While a wireless base stationthat transmits and receives a distance-measuring signal to and from a terminalto be measured by wireless communication is disposed at each corner forming an equilateral triangular, the length of each side of the equilateral triangle is made to be a maximum communication distance of the wireless base station