EP0997131B1 - Méthode et dispositif pour le guidage des malvoyants ou aveugles - Google Patents

Méthode et dispositif pour le guidage des malvoyants ou aveugles Download PDF

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Publication number
EP0997131B1
EP0997131B1 EP99119418A EP99119418A EP0997131B1 EP 0997131 B1 EP0997131 B1 EP 0997131B1 EP 99119418 A EP99119418 A EP 99119418A EP 99119418 A EP99119418 A EP 99119418A EP 0997131 B1 EP0997131 B1 EP 0997131B1
Authority
EP
European Patent Office
Prior art keywords
gsm
receiver
sensor
blind
umts
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.)
Expired - Lifetime
Application number
EP99119418A
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German (de)
English (en)
Other versions
EP0997131A2 (fr
EP0997131A3 (fr
Inventor
Karl Ernst Kneisel
Minh Tri Nguyen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Telekom AG
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Deutsche Telekom AG
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Publication of EP0997131A2 publication Critical patent/EP0997131A2/fr
Publication of EP0997131A3 publication Critical patent/EP0997131A3/fr
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Publication of EP0997131B1 publication Critical patent/EP0997131B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/06—Walking aids for blind persons
    • A61H3/068—Sticks for blind persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/06—Walking aids for blind persons
    • A61H3/061—Walking aids for blind persons with electronic detecting or guiding means

Definitions

  • the invention relates to a method and a device for guiding the severely visually impaired and blind according to the preamble of patent claims 1 and 6, respectively.
  • This blind leadership system already makes it possible to give a blind person access to orientation information for overcoming the location alienation.
  • the satellite-assisted "cane" described in this paper works in conjunction with the GPS system in combination with a body-worn computer in which the intended route was previously entered. The blind man is then guided by acoustic signals.
  • WO 98/55833 A portable navigation system with direction detector, position detector and a database is disclosed. All components of the system are designed to be portable and must be constantly carried by the severely visually impaired or blind.
  • the invention has for its object to provide a method for improving the guidance of the blind and partially sighted with the help of an electronic guidance system that manages without simultaneous visual connection to four, involved in the specific constellation satellites working safer and also the blind one much more accurate Guidance information and environment information in combination with the voice input and output allows to create as well as means for carrying out the method.
  • the blind person a certain self-determination, a self-management, a self-responsibility or a personal self-sufficiency, that is also a greater mobility and security. He can extend his range of action, in which he can easily go even in environments unknown to him. This may mean, for example, that a blind or severely-visually impaired in a tram / bus stop known to him goes on a public transport and on the basically known destination stop, for example, access to a supermarket, gets off. At the latest here, the respective person would be confronted with the problem of the strangeness of his current micro-geospheric environment.
  • a blind or severely-visually impaired person is now able to cope easily since he is voice-controlled and -directed or guided-all Information is immediately available to find your way around this somewhat new environment without further ado. Therefore, here a GSM or UMTS network-based orientation system is realized, with the help of which simultaneous detection of several existing in the mobile network base stations after a certain set search routine locating algorithms are activated.
  • the functionality of this overall system is made considerably easier by an electronically stored image of the infrastructural basic conditions of the movement space, for example by an electronic road cadastre.
  • making the respective locality information easily perceptible to the blind person is realized by the speech output and speech input.
  • the Groborientierung via a mobile service if necessary, by the interaction of two or more corresponding base stations takes place.
  • the path input is made by voice input and that advantageously by defendingeruncole input of the street name and other important names for the environment.
  • the general positioning can also be carried out via spatially distributed base stations by means of intelligent measurement signal (identification) transmission / reception control.
  • the cane 2 is used by a person 1, who is blind or severely-visually impaired, to sense an environment in an environment 3 to a certain extent.
  • the blind or extremely visually impaired can in principle orient themselves only in an environment which is essentially known to him with the help of the blind stick 2 and as a result has an extremely limited range of action.
  • He has a personal experience-influenced image of the environment he has developed in his memory. For example, when he leaves his home, he gropes his way through the blindstocks 2 step by step. All obstacles, which are fundamentally unknown to him, are an enormous problem for him.
  • a blind or severely-visually impaired person 1 is shown with a normal cane 2, with the help of which he can feel his immediate environment 3, so for example, the road sign shown 4.
  • a GPS receiver 5 On the back carries the blind or severely-visually impaired person 1 a GPS receiver 5, in which the movement routes are stored.
  • the GPS receiver 5 is provided with a voice output 7, which tells him what and when he can perform what activity or movement.
  • the GPS receiver 5 is satellite-based, in which Example four GPS satellites 6 are connected to the GPS receiver 5.
  • the blind or severely-visually impaired person 1 is guided by a GPS system in combination with a body-worn computer in which the intended route was previously entered.
  • the person 1 is controlled by acoustic signals, for example, a voice output.
  • acoustic signals for example, a voice output.
  • this solution is only functional if there is simultaneous line of sight to four satellites 6 involved in the specific constellation. Such a direct view is rarely given in high-activity areas such as cities and their public-frequency facilities.
  • the integration of positioning functionality in GPS systems for example method for Fusen of objects by a situatively subjectively unknown environment, for example, GPS-controlled navigational systems in traffic telematics, and the electronically stored image of the basic infrastructure conditions of the movement space is already solved in principle for traffic control .
  • the "rough" perception of the locality information for the blind or severely-visually impaired person 1 is carried out by a voice output 7, in which the person is communicated by a telematic to be activated locality server by voice, where he is and what his immediate environment looks like. For example, if you got out of tram line 5 and your direction was gone from the tram, keep left now, after 50 meters you will come to a traffic light crossing, cross the traffic lights and continue for 100 meters left, where they are already at the entrance of the desired shopping center. "
  • Another alternative to fine-tuning is that, in addition to this information, situationally dynamically changing local-temporary information is additionally provided. For example: "A car is just starting! Where does something move, which obstacles are present immediately in the direction taken, which persons approach, move away, etc. This is technically achieved by, for example, using a micro-RADAR scanner or the like, consisting of one with respect to its Scanning characteristic controlled RADAR chip or a technical equivalent.
  • This micro scanner or sensor 13 is in the same housing with the GSM / UMTS receiver 10 with locating functionality in direct connection.
  • the beam 11 has a directional characteristic with a finite, wide, fan-shaped extension.
  • This fan 12 must be dynamically periodically controlled in the direction of movement of the blind or severely-visually impaired person 1 in terms of a continuous, pendulum-like sweeping of the immediate near-range of motion, that is, a few feet ahead and in coarser time intervals, depending on the speed of movement Person 1, for example, once a minute, by a scanning-technical Aufblendvorgang, that is sweeping a distance range between ten and twenty meters ahead.
  • the detailed location information scanned by the beam 11 is in turn converted in the system, that is to say rendered acoustically perceptible.
  • an implementation may read: "Attention, you will immediately encounter an obstacle, for example traffic sign 4.” This can be done at a distance of about two to three meters or it can also be warned as follows: "Attention, it moves an object, for example, a car at a speed of about 20 km / h to you, give way immediately two steps to the left ".
  • the GSM receiver with locating functionality 10 which is equipped with a voice input and output and a sensor 13, with base stations 8 of a GSM / UMTS network via radio waves 9 in conjunction.
  • the presence of base stations 8 does not exclude that the GSM / UMTS receiver 10 with Ortungsungsfunktion gleich, voice input and output and a sensor 13 also receives information via GPS satellites.
  • the combination of both systems is a universally effective variant of the present invention.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Traffic Control Systems (AREA)
  • Rehabilitation Tools (AREA)
  • Navigation (AREA)
  • Road Signs Or Road Markings (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (10)

  1. Procédé destiné à guider les personnes aveugles ou très malvoyantes à l'aide d'un récepteur GSM/UMTS pour ondes radioélectriques qui contient des parcours enregistrés et est en contact avec la personne portant le récepteur au moyen d'une sortie vocale caractérisé en ce que
    le récepteur porté par la personne est un récepteur GSM-UMTS (10), avec une fonction de localisation, une entrée et une sortie vocales et un capteur (13), qui fonctionne à l'aide d'un faisceau (11) à diagramme directionnel fini, large et en éventail, l'éventail (12) ainsi obtenu étant commandé de manière dynamique périodique dans le sens de déplacement de la personne aveugle ou très malvoyante (1) pour effectuer un balayage continuel et pendulaire de la zone immédiate de déplacement,
    les signaux reçus de l'environnement sont convertis par le capteur dans le récepteur GSM/UMTS (10),
    le récepteur GSM/UMTS (10) est relié à l'aide d'une liaison hertzienne (9) à plusieurs stations de base (8) se trouvant dans le réseau de téléphonie mobile, de telle sorte que des algorithmes de localisation sont activés selon une routine de recherche déterminée,
    chaque information de localisation dynamique de la personne aveugle ou très malvoyante est communiquée à l'aide de la sortie vocale du récepteur GSM/UMTS (10) porté par la personne avec fonction de localisation et capteur (13) ainsi qu'entrée et sortie vocales et,
    les fonctions de mise en marche et d'arrêt, de syntonisation, de modularité, etc., peuvent être activées et réglées par la personne aveugle ou très malvoyante (1) à l'aide de l'entrée vocale.
  2. Procédé selon la revendication 1, caractérisé en ce que
    le récepteur GSM/UMTS (10) est commandé à l'aide d'un programme ou d'un microprocesseur et coordonne automatiquement les informations grossières et précises,
    les objets sont classifiés de manière grossière grâce à l'implémentation d'un procédé de reconnaissance d'échantillons de formes dans le capteur (13),
    des algorithmes et appareils de mesure permettant de mesurer l'éloignement sur des courtes et longues distances peuvent aussi être activés et
    les algorithmes destinés à la reconnaissance d'infrastructures urbaines de taille limitée peuvent être activés à l'aide de programmes de télévision en relation avec la commande d'antennes intelligentes actives.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que
    les informations détaillées concernant le lieu et scannées à l'aide du faisceau (11) sont converties dans le système et rendues acoustiquement perceptibles.
  4. Procédé selon la revendication 1, caractérisé en ce que
    la localisation et le positionnement grossiers d'une personne aveugle ou très malvoyante (1) sont réalisés à l'aide d'un système de téléphonie mobile GSM/UMTS terrestre,
    la localisation précise est réalisée à l'aide du capteur (13), fournissant des informations de lieu actuelles, et
    les informations de positionnement grossières et précises ainsi qu'une information de guidage sont converties en information vocale générée par ordinateur à l'aide d'un serveur de localité immanent au système.
  5. Procédé selon la revendication 4, caractérisé en ce que
    les informations de lieu actuelles continuellement fournies par le capteur de reconnaissance et de mesure sont converties en information vocale générée par ordinateur à l'aide du serveur de localité immanent au système.
  6. Installation permettant l'exécution du procédé selon l'une des revendications 1 à 5, un système de téléphonie mobile GSM/UMTS terrestre servant à la localisation et au positionnement grossiers d'une personne aveugle ou très malvoyante (1), caractérisée par un récepteur GSM/UMTS (10) porté par la personne et ayant une fonction de localisation, le récepteur GSM/UMTS (10) étant équipé d'une entrée et sortie vocales et le récepteur GSM/UMTS (10) étant en outre muni d'un capteur (13) permettant la reconnaissance de l'environnement immédiat et la localisation et le positionnement précis et étant relié à l'aide d'une liaison hertzienne (9) à des stations de base (8) d'un réseau GSM/UMTS.
  7. Installation selon la revendication 6, caractérisée en ce que
    le capteur (13) est constitué à partir d'un micro-scanner radar, infrarouge ou ultrason composé d'une puce commandée en fonction de sa caractéristique de balayage.
  8. Installation selon l'une des revendications 6 ou 7, caractérisée en ce que
    le faisceau (11) émis par le capteur (13) accuse un diagramme directionnel (12) fini, large et en éventail.
  9. Installation selon l'une des revendications 6 à 8, caractérisée en ce que
    le diagramme en éventail ou l'éventail (12) du faisceau (11) est commandé de manière dynamique périodique dans le sens de déplacement de la personne aveugle ou très malvoyante (1) pour effectuer un balayage continuel et sous forme de faisceaux de la zone immédiate de déplacement.
  10. Installation selon l'une des revendications 6 à 9, caractérisée en ce que
    le micro-scanner est intégré directement dans le récepteur GMS/UMTS (10) sous forme d'une puce radar, infrarouge ou ultrason commandée.
EP99119418A 1998-10-30 1999-09-30 Méthode et dispositif pour le guidage des malvoyants ou aveugles Expired - Lifetime EP0997131B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19850056 1998-10-30
DE19850056A DE19850056A1 (de) 1998-10-30 1998-10-30 Verfahren und Einrichtung zu Führung von Sehbehinderten und Blinden

Publications (3)

Publication Number Publication Date
EP0997131A2 EP0997131A2 (fr) 2000-05-03
EP0997131A3 EP0997131A3 (fr) 2004-01-02
EP0997131B1 true EP0997131B1 (fr) 2006-01-04

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EP99119418A Expired - Lifetime EP0997131B1 (fr) 1998-10-30 1999-09-30 Méthode et dispositif pour le guidage des malvoyants ou aveugles

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EP (1) EP0997131B1 (fr)
AT (1) ATE314837T1 (fr)
DE (2) DE19850056A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2818533A1 (fr) * 2000-12-27 2002-06-28 Philippe Charles Denis Bondon Dispositif autonome de localisation et d'assistance, destine aux personnes aveugles, mal voyantes ou handicapees
FR2820028A1 (fr) * 2001-02-01 2002-08-02 Serge Belhassen Dispositif portable pour la visualisation au sol d'un obstacle a franchir par une personne a visuomotricite deficiente
DE10138990B4 (de) * 2001-08-15 2005-07-28 Simon Kara Blindenstock
DE20214852U1 (de) * 2002-09-09 2003-02-13 Kaphahn Alexandra Tragbare Mobilitätshilfe für sehbehinderte Personen
DE10323457A1 (de) * 2003-05-21 2004-12-09 Ruppe, Jörg, Dr. Leit- und Kommunikationssystem
AU2003296300A1 (en) * 2003-12-31 2005-07-21 Inocencio Valentim De Freitas Ermida Electronic device of images conversion for morse code or other type of codes
DE102007042395B4 (de) * 2007-09-05 2017-08-24 Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik Radar-basiertes, tragbares Orientierungssystem
US11137490B2 (en) * 2014-09-16 2021-10-05 Teknologian Tutkimuskeskus Vtt Navigational aid with adaptive radar
DE102014117305A1 (de) 2014-11-26 2016-06-02 Deutsche Telekom Ag Verfahren und System zum Führen einer blinden oder sehbehinderten Person
US10909372B2 (en) * 2018-05-28 2021-02-02 Microsoft Technology Licensing, Llc Assistive device for the visually-impaired
CN110584963A (zh) * 2019-10-21 2019-12-20 江苏盛世伟业新材料有限公司 一种景区用智能语音导盲拐杖

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US3546467A (en) * 1967-04-21 1970-12-08 Bionic Instr Inc Typhlocane with range extending obstacle sensing devices
US4207959A (en) * 1978-06-02 1980-06-17 New York University Wheelchair mounted control apparatus
US5487669A (en) * 1993-03-09 1996-01-30 Kelk; George F. Mobility aid for blind persons
US5470233A (en) * 1994-03-17 1995-11-28 Arkenstone, Inc. System and method for tracking a pedestrian
DE69810768D1 (de) * 1997-06-03 2003-02-20 Stephen Bide Tragbares navigationssystem mit richtungsdetektor, positionsdetektor und datenbank

Also Published As

Publication number Publication date
EP0997131A2 (fr) 2000-05-03
EP0997131A3 (fr) 2004-01-02
DE59913012D1 (de) 2006-03-30
DE19850056A1 (de) 2000-05-04
ATE314837T1 (de) 2006-02-15

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