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:
Jul. 08, 2003
Filed:
Dec. 28, 2001
Applicant:
Inventors:
Assignee:
DENSO Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 ; H04B 9/185 ;
U.S. Cl.
CPC ...
G01S 5/02 ; H04B 9/185 ;
Abstract
A navigation system is constructed to set up navigation function of a GPS terminal by using radio signals of broadcast station before receiving GPS signals from GPS satellites. A GPS monitor server receives on the ground GPS signals transmitted from GPS satellites, a FM multiplex broadcast station transmits, using the radio signals, GPS supplementary information including the Almanac and Ephemeris data in a navigation message of the GPS signals received by the GPS monitor server. A GPS terminal starts, upon reception of the GPS supplementary information, reception of the GPS signals transmitted from the GPS satellites.