Title:
INFORMATION RECORDER, INFORMATION REPRODUCER AND RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2001012959
Kind Code:
A
Abstract:
To obtain accurate and detailed information high real time properties as present site useful by a user moving by a vehicle.
Terminal units for up-loading present site information are provided at respective districts. A user loading a plate-like memory 1 to the terminal unit 30 to record and hold the site information in the memory 1. The information read from the memory 1 charged in an on board unit 40 can be displayed.
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Inventors:
TAGUCHI TOMIHIKO
Application Number:
JP18915899A
Publication Date:
January 19, 2001
Filing Date:
July 02, 1999
Export Citation:
Assignee:
SONY CORP
International Classes:
G01C21/00; G08G1/0969; H04B7/26; H04L12/28; (IPC1-7): G01C21/00; G08G1/0969; H04B7/26; H04L12/28
Attorney, Agent or Firm:
Atsuo Waki (1 person outside)