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. 04, 2000
Filed:
Apr. 23, 1998
Applicant:
Inventors:
Atsushi Kuribayashi, Kanagawa, JP;
Masao Morita, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; G06F / ;
U.S. Cl.
CPC ...
701200 ; 701208 ; 340990 ; 340995 ;
Abstract
An information receiving method is one of receiving a district information transmitted at a predetermined frequency and then displaying a received district information, and includes a step of estimating a current location and then estimating whether a district information of an area to which the estimated current location pertains is contained in a received signal, and a step of performing, if it is estimated that the district information of the area to which the current location pertains is not contained in the received signal, a process for changing the receiving frequency.