Title:
MAP DIFFERENCE DATA DELIVERY SYSTEM, MAP DIFFERENCE DATA DELIVERY DEVICE, MAP DATA HOLDING DEVICE, UPDATE MANAGEMENT SERVER, AND MAP DIFFERENCE EXTRACTION SERVER
Document Type and Number:
WIPO Patent Application WO/2014/171068
Kind Code:
A1
Abstract:
A map difference data delivery system according to one embodiment is provided with a grouping unit (134) that groups with each other non-updated difference groups having a dependency relationship within a same number of releases out of non-updated difference groups extracted by a non-updated data extraction unit (233), and a delivery data creation unit (135) that arranges records that are the non-updated difference groups that have been grouped by the grouping unit (134) in order starting with records for older versions such that the records fit within a prescribed communication size, and creates delivery data to be delivered by a delivery unit (137). Delivery is made in order starting with delivery data containing records for older versions.
Inventors:
YANO MAKOTO (JP)
ATARASHI YASUTAKA (JP)
SUZUKI TAKAMITSU (JP)
ATARASHI YASUTAKA (JP)
SUZUKI TAKAMITSU (JP)
Application Number:
PCT/JP2014/001660
Publication Date:
October 23, 2014
Filing Date:
March 21, 2014
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G09B29/00; G01C21/26
Foreign References:
| JP2013029595A | 2013-02-07 | |||
| JP2006317643A | 2006-11-24 | |||
| JP2011158339A | 2011-08-18 | |||
| JP2008090195A | 2008-04-17 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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