Title:
交通情報配信方法および交通情報配信装置
Document Type and Number:
Japanese Patent JP4891792
Kind Code:
B2
Abstract:
Disclosed is a traffic information distribution apparatus 1 including date-time information in traffic information acquired by the traffic information acquire unit 12 or generated by the traffic information prediction unit, and accumulates the traffic information in the traffic information DB 13. When the traffic information distribution apparatus 1 receives distribution request information transmitted from the in-vehicle terminal 5, based on date-time information of reference traffic information held by the in-vehicle terminal 5 included in the distribution request information, the traffic information distribution apparatus 1 retrieves traffic information including the same date-time information as the date-time information of the reference traffic information from the traffic information DB 13. Then, difference traffic information generation unit 18 generates difference traffic information between the retrieved traffic information and traffic information to be distributed, and the traffic information distribution apparatus 1 distributes the generated difference traffic information to the in-vehicle terminal 5.
Inventors:
Mariko Okude
Kenichiro Yamane
Masatoshi Kumagai
Junsuke Fujiwara
Hiroshi Takahashi
Kenichiro Yamane
Masatoshi Kumagai
Junsuke Fujiwara
Hiroshi Takahashi
Application Number:
JP2007016044A
Publication Date:
March 07, 2012
Filing Date:
January 26, 2007
Export Citation:
Assignee:
Clarion Co., Ltd.
International Classes:
G08G1/09; G01C21/26; G08G1/00
Domestic Patent References:
| JP2005017151A | ||||
| JP2004355662A | ||||
| JP2001067594A | ||||
| JP2004280320A | ||||
| JP2005172702A | ||||
| JP2006079383A |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada