Information guidance system

Details Information guidance system Information guidance system

1999-07-23

2002-10-29

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

C701S211000

Reexamination Certificate

active

06473704

ABSTRACT:

TECHNICAL FIELD
The present invention relates to an information service system, or more in particular to an information service system capable of supplying the user thereof (visually or aurally handicapped persons, aged persons and also the ordinary healthy persons) with information on their current position and on an object which they are approaching.
BACKGROUND ART
In recent years, an information service system has been proposed for supplying visually handicapped persons with the information on their present position and on the object which they are approaching.
An example is a system in which information on the present position or an object is transmitted by radio from a radio tag and the user receives the information on his present position or the object by a receiver in a portable unit carried by him.
The system for transmitting information by radio, however, lacks the directivity and therefore is not proper for supplying information on a specific direction or orientation.
Also, in a special place such as a train or a hospital, the use of radio equipment is often prohibited to avoid the adverse effect it may have on other electronic equipment. Therefore, a radio tag for information service cannot be installed in such a place.
DISCLOSURE OF THE INVENTION
In view of this, the present invention has been developed to solve the problem described above, and the object thereof is to provide an information service system which offers a higher chance of supplying the user with information and guides the user to an information source accurately without adversely affecting other electronic equipment.
According to the present invention, there is provided an information service system for supplying the user with the information on his present position or on a specific place which he is approaching, comprising a portable unit carried by the user and an ID tag installed at a specific place,
wherein the ID tag includes a predetermined information storage unit for storing predetermined information, an ID tag control unit for generating the transmission information containing the predetermined information stored in the predetermined information storage unit, and an ID tag transmitter for transmitting the transmission information generated in the ID tag control unit, and
wherein the portable unit includes a portable unit receiver for receiving the transmission information transmitted from the ID tag transmitter, a portable unit controller for selecting the guide information stored in advance in accordance with the transmission information received by the portable unit receiver, and a portable unit information output unit for outputting the guide information selected by the portable unit controller.


REFERENCES:
patent: 5910799 (1999-06-01), Carpenter et al.
patent: 0338997 (1989-10-01), None
patent: 2674977 (1992-10-01), None
patent: 5-168665 (1993-07-01), None
patent: 5-220007 (1993-08-01), None
patent: 8-191853 (1996-07-01), None

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