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:
Jun. 19, 2007
Filed:
Jun. 13, 2005
Yoshinori Endo, Mito, JP;
Michio Morioka, Hitachi, JP;
Kozo Nakamura, Hitachiota, JP;
Kimiya Yamaashi, Hitachi, JP;
Takaharu Ishida, Hitachinaka, JP;
Shigeru Matsuo, Hitachinaka, JP;
Kimiyoshi Machii, Hitachi, JP;
Katsuaki Tanaka, Hitachi, JP;
Yoshinori Endo, Mito, JP;
Michio Morioka, Hitachi, JP;
Kozo Nakamura, Hitachiota, JP;
Kimiya Yamaashi, Hitachi, JP;
Takaharu Ishida, Hitachinaka, JP;
Shigeru Matsuo, Hitachinaka, JP;
Kimiyoshi Machii, Hitachi, JP;
Katsuaki Tanaka, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Xanavi Informatics Corporation, Kanagawa, JP;
Abstract
A communications-type car navigation system including a vehicle-mounted terminal and a server. When transferring, to the terminal, the result of a route searching which the server has performed, the server transfers the data that will satisfy the requirements of a route guiding method which the user wishes. Also, the server transfers the route data that has been compressed. Concerning the map data as well, the server transfers only the necessary attributes thereof. Moreover, the following conditions allow the operability to be enhanced: the selection of a map transferring method and the route guiding method where the driving state has been taken into consideration, and the selection of a guiding unit which the user wishes.