EP2021733A1 - Navigation aid system - Google Patents
Navigation aid systemInfo
- Publication number
- EP2021733A1 EP2021733A1 EP07766100A EP07766100A EP2021733A1 EP 2021733 A1 EP2021733 A1 EP 2021733A1 EP 07766100 A EP07766100 A EP 07766100A EP 07766100 A EP07766100 A EP 07766100A EP 2021733 A1 EP2021733 A1 EP 2021733A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- identifier
- assistance system
- database
- beacons
- messages
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
Definitions
- the present invention relates to the field of automated guidance.
- the invention relates more particularly to a system for guiding a pedestrian equipped with a cellular telephone, transmitting voice or visual orientation information.
- GPS location is known from the state of the art, making it possible to calculate routes and to guide a user. Such a solution can only be used if the user is located in an environment compatible with the transmission of HF signals with the GPS network.
- Japanese Patent JP2002310720 describing an information system for downloading a card into a cellular phone. The use also requires an evolution in an environment allowing the propagation of signals with the positioning network.
- the object of the present invention is to overcome this disadvantage by proposing a solution for use in an underground network, for example the metro, from a portable equipment such as a cell phone.
- Another object of the invention is to allow operation with simplified portable equipment, with limited memory resources.
- the invention relates in its most general sense to an orientation assistance system comprising tags located near singular points P 1 of a traffic network and at least one portable receiver equipment, each of the beacons B 1 comprising a transmitter associated with a memory containing at least one unique identifier IB 1 of said beacon, each of the portable reception equipment comprising an application for the recording of a destination D and for the calculation of an information message from the identifier received IB 1, IB of the identifier 1 -I previously received, destination D recorded and a database stored in a local memory, said database comprising only N information parameters I 1 , n different for the N 1 bifurcations associated with the singular point P 1 , the application selecting the parameter I 1 , d according to the destination D recorded, the information message being generated according to the identifier IB 1 -I and the information parameter I 1 , d -
- the system furthermore comprises at least one database server equipped with downloading means in the local memory of a portable receiver equipment.
- the server comprises means for selecting a subset of the base station. data, depending on the route chosen by the user.
- the portable receiver equipment is constituted by a cellular telephone, and in that said beacons communicate with the cellular telephones for a wireless link whose range is less than the distance of the closest beacons.
- said beacons comprise an autonomous power supply, the transmitter permanently transmitting the identifier IB 1 .
- said messages are audio messages originating from a database of local data in which the possible messages are stored.
- said messages are graphic messages originating from a local database in which the possible messages are recorded.
- the application includes a function of recording in a memory of the identifier IB 1 . of the nearest beacon and calculating a route between a predetermined point and, preferably, the implementation point of said beacon, and means for activating said function.
- the starting point is not necessarily the location of the beacon.
- all the beacons of a traffic network have the same session identifier.
- FIG. 2 represents the block diagram of one of an application according to the invention
- FIG. 3 represents the procedure for launching the application
- FIG. 4 represents the procedure for setting the application
- FIG. 5 represents the simulation procedure of the application on a complete path
- FIG. 6 represents the simulation procedure of the application with error management
- FIG. 7 shows an orientation diagram.
- the invention described by way of example in what Following relates to a guidance system in the metro for the blind and visually impaired, but is also applicable for tourism or other uses.
- the users are guided by a mobile phone application: the phone picks up the Bluetooth signal from markers distributed in the metro stations and warns the user of the directions to be taken by voice message.
- the purpose of the system is to smooth the movement of users when traveling on known routes and guide them on unknown paths: the voice interface tells the user the directions to follow, the comfort when it follows the right path and notify him when he makes a mistake.
- the application allows the user to schedule his trip in advance (at home or on the street) and the guide from the entrance to the metro station and to its final destination.
- the main advantage of the invention compared to existing guidance solutions is that it can redirect a misplaced user by telling him how to reach his destination.
- the system according to the invention is aimed at visually impaired or blind users who have a good technique of displacement.
- the purpose of this system is not to assist them, but to give them indications that are consistent with those displayed in the subway stations in order to increase their autonomy.
- the system according to the invention operates on mobile and accesses a remote database.
- the architecture of the system is described below.
- the application is developed under Symbian OS, the operating system for mobile phones.
- the phone accesses the database remotely via GPRS and downloads the necessary information
- the phone When traveling in subway stations, the phone detects Bluetooth markers and communicates voice messages to the user through a wired headset.
- the markers are Bluetooth electronic chips adapted to people on the move in an urban environment.
- the detection of markers by a mobile phone is instantaneous.
- the markers operate on batteries, and their energy consumption is reduced to ensure a very satisfactory life (two years without battery change).
- the battery level of the markers can be recovered by the application.
- the radiation of the markers is circular or conical and its radius is modifiable by adjustments.
- the ergonomics of the housings is studied so that they can be positioned on a wall in a discreet and inaccessible manner.
- Figure 1 shows the block diagram.
- the application downloads on its mobile (2) all data necessary for guidance: Database of markers and messages of stations visited, cartography of the transport network, etc.
- the user then goes to the departure metro station and is supported by the system. His phone detects markers every time he passes through a radiation zone (moments ti). At each instant ti, the application calculates the position of the user and determines its orientation according to the preceding marker: ti-1. Access to the database
- the application works step by step and recalculates in real time the path to indicate to the user. This allows the system to guide the user in all situations: no path is calculated in advance: any misplaced user can be retrieved by the system.
- the application recovers the battery levels of the tags encountered and sends a notification to the server (as soon as the GPRS link is possible) when a tag reaches the critical level of 10% of its capacity.
- the system-specific database makes it possible to respond to several types of requests, as illustrated in FIG. 2: - Determine the position of the user at the instant ti, knowing the code of the detected Bluetooth marker;
- the database consists of several tables:
- This message consists of a U-turn indication: Yes / No and a sentence (message code , or pre message).
- the case of orientation 1 can be deduced simply by inverting the U-turn indication.
- Message lists contain associations between codes and message sentences.
- the application will also be required to manage information relating to metro network mapping in order to guide a user from his departure station to his final destination.
- This information will be imported from the traditional transport network databases and managed by the system (local download of the necessary data).
- FIG. 3 represents the screens seen by the user during the implementation of the invention.
- the rendering of guidance information to the user can be made in different forms: voice in different languages, graphic, tactile, etc.
- This interface is described in the previous chapter: "structure and type of messages”. Whenever the user enters the field of a marker, a voice message is issued to indicate the direction to follow or confirm its direction. This interface can be broken down into different languages.
- the application will display on the mobile screen a symbol indicating the direction to follow. In this way, a visually impaired user can move using visual symbols and / or voice messages.
- the launch of the application is simply done by clicking on the icon of the application, in main menu.
- the user At each launch of the application, the user must specify his departure and arrival stations and indicate whether he wishes to be informed of the location of the ticket dispensers or the reception.
- the user is invited to enter the first letters of the name of the subway station (or part of the name);
- the user is invited to browse the list of stations (wheel up / down) and validate his choice or return to the previous entry;
- a screen then summarizes the choices of the journey (departure and arrival).
- the application asks the user if he wants to know the locations of ATMs and reception in his departure station.
- Figure 4 shows the screens corresponding to the setting of options and parameters.
- Figure 5 is intended to illustrate how the BlueEyes application works on a concrete case.
- the user wants to go from the station
- Figure 6 illustrates the path of a user who goes astray and is redirected by the system.
- Figure 7 shows an orientation diagram
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0651937A FR2901602B1 (en) | 2006-05-29 | 2006-05-29 | SUSTEM OF ASSISTANCE TO ORIENTATION |
PCT/FR2007/051330 WO2007138219A1 (en) | 2006-05-29 | 2007-05-25 | Navigation aid system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2021733A1 true EP2021733A1 (en) | 2009-02-11 |
Family
ID=37607440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07766100A Withdrawn EP2021733A1 (en) | 2006-05-29 | 2007-05-25 | Navigation aid system |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090171572A1 (en) |
EP (1) | EP2021733A1 (en) |
FR (1) | FR2901602B1 (en) |
IL (1) | IL195547A0 (en) |
WO (1) | WO2007138219A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100268462A1 (en) * | 2009-04-16 | 2010-10-21 | Qualcomm Incorporated | Method, system and apparatus for location-based navigation |
EP2583877B1 (en) * | 2010-06-16 | 2018-06-06 | Navitime Japan Co., Ltd. | Navigation system, terminal device, navigation server, navigation method, and navigation program |
US9188456B2 (en) * | 2011-04-25 | 2015-11-17 | Honda Motor Co., Ltd. | System and method of fixing mistakes by going back in an electronic device |
FR2981744A1 (en) * | 2011-10-19 | 2013-04-26 | Fabernovel | Method for assisting to user to move in e.g. airport by platform, involves broadcasting directional message to singular point according to angle between two successive arcs of shortest path having singular point as top |
KR101481378B1 (en) * | 2014-09-15 | 2015-01-15 | (주)유양디앤유 | Route Guidance Method and Apparatus for Visually Impaired People Using Visible Light Communication |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2614993A1 (en) * | 1987-05-07 | 1988-11-10 | Mareau Dominique | Method for assisting terrestrial navigation and its implementation |
US6320496B1 (en) * | 1999-04-29 | 2001-11-20 | Fuji Xerox Co., Ltd | Systems and methods providing tactile guidance using sensory supplementation |
GB2415071B (en) * | 2002-08-06 | 2006-05-17 | Hewlett Packard Development Co | Method and arrangement for guiding a user along a target path |
US7039522B2 (en) * | 2003-11-12 | 2006-05-02 | Steven Landau | System for guiding visually impaired pedestrian using auditory cues |
EP2315467B1 (en) * | 2006-01-11 | 2015-04-01 | QUALCOMM Incorporated | Communication methods and apparatus relating to cooperative and non-cooperative modes of operation |
US20080051951A1 (en) * | 2006-07-06 | 2008-02-28 | Cecelia Camacho | Automated Parking System |
-
2006
- 2006-05-29 FR FR0651937A patent/FR2901602B1/en not_active Expired - Fee Related
-
2007
- 2007-05-25 EP EP07766100A patent/EP2021733A1/en not_active Withdrawn
- 2007-05-25 US US12/227,919 patent/US20090171572A1/en not_active Abandoned
- 2007-05-25 WO PCT/FR2007/051330 patent/WO2007138219A1/en active Application Filing
-
2008
- 2008-11-27 IL IL195547A patent/IL195547A0/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2007138219A1 * |
Also Published As
Publication number | Publication date |
---|---|
IL195547A0 (en) | 2009-09-01 |
FR2901602A1 (en) | 2007-11-30 |
FR2901602B1 (en) | 2008-07-18 |
US20090171572A1 (en) | 2009-07-02 |
WO2007138219A1 (en) | 2007-12-06 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20081107 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
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DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: G08G 1/005 20060101AFI20130122BHEP Ipc: G08G 1/123 20060101ALI20130122BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20130618 |