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Title:
DATA COMMUNICATION SYSTEM, ON-VEHICLE SYSTEM, AND PORTABLE DEVICE
Document Type and Number:
Japanese Patent JP2009278365
Kind Code:
A
Abstract:

To provide a data communication system, an on-vehicle system and a portable device by which data on the on-vehicle system are transmitted to the portable device even if a user fail in the transmission/reception of the data by a short distance wireless communication.

The data communication system 1 includes: the on-vehicle system 3; the portable device 5; and a data center 7. When the data are not transmitted to the portable device 5 by the short range radio communication, the on-vehicle system 3 transmits the data to the data center 7 by a public radio communication. When the data are not received from the on-vehicle system 3 by the short range radio communication, the portable device 5 receives the data from the data center 7 by the public radio communication.


Inventors:
TERADA MINORU
MATSUURA MITSUYASU
ISOGAI TOSHIKI
MATSUURA MICHIHIRO
IKEDA HIROTANE
Application Number:
JP2008127384A
Publication Date:
November 26, 2009
Filing Date:
May 14, 2008
Export Citation:
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Assignee:
NIPPON SOKEN
DENSO CORP
International Classes:
H04W8/22; H04W4/04; H04W84/00; H04W84/10
Domestic Patent References:
JP2008546257A2008-12-18
JP2008017380A2008-01-24
JP2006128807A2006-05-18
JP2006008126A2006-01-12
Foreign References:
WO2006127534A12006-11-30
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation



 
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