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:
Mar. 18, 2008
Filed:
Feb. 15, 2002
Ville Ruutu, Espoo, FI;
Jani Moilanen, Helsinki, FI;
Maurizio Spirito, Turin, IT;
Veli-matti Teittinen, Espoo, FI;
Ville Ruutu, Espoo, FI;
Jani Moilanen, Helsinki, FI;
Maurizio Spirito, Turin, IT;
Veli-Matti Teittinen, Espoo, FI;
Nokia Corporation, Espoo, FI;
Abstract
A telecommunications system comprises a first transmitter unit situated at a first, known location; a second transmitter unit situated at a second, unknown location; a first receiving unit at a third, known location arranged to receive signals from the first and second transmitter units; and a second receiving unit at a fourth, known location arranged to receive signals from the first and second transmitter units, wherein the said signals received by the first and second receiving units are usable to ascertain the location of the second transmitter unit.