DE3544047A1 - Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo method - Google Patents
Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo methodInfo
- Publication number
- DE3544047A1 DE3544047A1 DE19853544047 DE3544047A DE3544047A1 DE 3544047 A1 DE3544047 A1 DE 3544047A1 DE 19853544047 DE19853544047 DE 19853544047 DE 3544047 A DE3544047 A DE 3544047A DE 3544047 A1 DE3544047 A1 DE 3544047A1
- Authority
- DE
- Germany
- Prior art keywords
- blind
- definable
- orientation aid
- those
- pulse echo
- 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- Withdrawn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
-
- 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
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/08—Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Computer Networks & Wireless Communication (AREA)
- Rehabilitation Therapy (AREA)
- Physical Education & Sports Medicine (AREA)
- General Physics & Mathematics (AREA)
- Pain & Pain Management (AREA)
- Epidemiology (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Rehabilitation Tools (AREA)
Abstract
Description
Es sind vielfach Geräte vorgeschlagen worden, die mit Hilfe von kurzen Ultraschall-Impulsen Blinden und Seh behinderten eine Orientierungshilfe geben sollten. Es wird beispielsweise auf die sogenannten Ultraschall brillen verwiesen, die von verschiedenen Firmen schon seit längerem angeboten werden.Devices have been proposed in many cases with With the help of short ultrasound impulses blind and sight should provide guidance for the disabled. For example, it is called ultrasound glasses referenced by different companies have been offered for a long time.
Diesen Geräten ist gemeinsam, das kurze Ultraschall- Impulse ausgesand werden, die von einem Hindernis re flektiert werden und von einem der Vorrichtung zuge ordneten Empfänger empfangen und ausgewertet werden. Üblich ist dabei, daß diese empfangenen Impulse in irgendeiner Form in akustische Signale umgesetzt werden.What these devices have in common is the short ultrasound Impulses are emitted by an obstacle re be flexed and supplied by one of the device ordered receiver can be received and evaluated. It is common that these received impulses in be converted into acoustic signals in any form.
Bekannt sind Geräte, die in Form einer Brille ausge bildet sind. Weiter bekannt sind Geräte, die ähnlich wie eine Taschenlampe gehalten werden. Bekannt sind weiter Geräte, bei denen die Distanz zum Hindernis taktil angezeigt wird.Devices are known in the form of glasses forms are. Also known are devices that are similar to a flashlight to be held. Are further known Devices where the distance to the obstacle is tactile is shown.
Die Erfindung beschreibt ein Gerät, dessen technische Funktion auf die Größenordnung etwa einer Zigaretten schachtel reduziert wird, und das so am Langstock des Blinden befestigt wird, daß der Ultraschallstrahl schräg nach oben gerichtet ist. Damit wird erreicht, daß Hindernisse in Bodennähe, wie z. B. Bordsteinkanten, vom Blinden mit Hilfe seines Stockes zuverlässig er faßt werden. Gleichzeitig werden durch den nach oben gerichteten Ultraschallstrahl Hindernisse erfaßt, die sich im Bereich der oberen Körperhälfte befinden und nicht zwangsläufig vom Stock betastet werden können. The invention describes a device, the technical Function on the order of a cigarette box is reduced, and so on the long pole of the Blind people attached that ultrasound beam is directed obliquely upwards. This ensures that Obstacles near the ground, such as B. curbs, from the blind man with the help of his stick be grasped. At the same time, by going up directed ultrasound beam detects obstacles that are in the area of the upper half of the body and cannot necessarily be touched by the stick.
Als Beispiel sei auf einen querstehenden LKW ver wiesen, bei dem der Blinde zwar mit dem Stock nichts fühlen würde, allerdings sich evtl. im Brust- und Ge sichtbereich an den Aufbau des LKW verletzten könnte.As an example, refer to a truck standing sideways in which the blind man with the stick has nothing would feel, but possibly in the chest and Ge visible area on the structure of the truck.
Die technische Lösung der erfindungsgemäßen Apparatur verwendet das durchaus bekannte Ultraschall-Impuls- Echo-Laufzeitverfahren. Neu dagegen ist der Gedanke, die Distanz in eine quasi musikalische Tonfolge zu übersetzen, bei der die Tonhöhe eines Tongenerators in Abhängigkeit von der Distanz in Schritten von etwa 10 cm so umgeschaltet wird, daß ein Tonsprung entsteht, der in etwa einen musikalischen Ton entspricht. Der Vorteil dieses Verfahrens ist, daß die Tonhöhe auch von unmusikalischen Menschen aufgrund des Sprunges ein eindeutiges Maß für die Annäherung an ein Hindernis ist.The technical solution of the apparatus according to the invention uses the well-known ultrasonic pulse Echo runtime method. What is new, however, is the idea the distance into a quasi musical musical sequence translate at the pitch of a tone generator depending on the distance in steps of approximately 10 cm is switched so that a sound jump occurs, which roughly corresponds to a musical tone. The advantage of this procedure is that the pitch too by unmusical people because of the jump a clear measure of the approach to an obstacle is.
Zu diesem Zweck wurde eine Schaltung nach Fig. 1 ein gesetzt. Ein weiteres erfindungsgemäßes Merkmal ist die Tatsache, daß alle im Gerät genutzten Zeiten von einem einzigen Taktgenerator abgeleitet werden. Der Vorteil ist, daß dieser komplizierten Verschachtlungen damit digital und somit sehr stabil erzeugt werden können, ohne das großer Abgleichaufwand entsteht. Die Schaltung ist in Fig. 2. dagestellt.For this purpose, a circuit according to Fig. 1 was set. Another feature of the invention is the fact that all times used in the device are derived from a single clock generator. The advantage is that this complicated nesting can be generated digitally and therefore very stably without the need for a large adjustment effort. The circuit is shown in Fig. 2.
Weiter wird auf die erfindungsgemäße Neuheit der Be festigung am Stocke des Blinden verwiesen. Erfindungs gemäß strahlt das Gerät stets in einem Winkel von etwa 45° nach schräg oben ab. Die Vorteile sind be reits erwähnt worden. Der Überwachungsbereich wird in Fig. 3 dagestellt.Furthermore, reference is made to the novelty of the fastening according to the invention on the stick of the blind man. According to the invention, the device always radiates at an angle of approximately 45 ° upwards. The advantages have already been mentioned. The monitoring area is shown in Fig. 3.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853544047 DE3544047A1 (en) | 1985-12-13 | 1985-12-13 | Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853544047 DE3544047A1 (en) | 1985-12-13 | 1985-12-13 | Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3544047A1 true DE3544047A1 (en) | 1987-06-19 |
Family
ID=6288331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853544047 Withdrawn DE3544047A1 (en) | 1985-12-13 | 1985-12-13 | Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo method |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3544047A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3743696A1 (en) * | 1987-12-18 | 1989-06-29 | Kolbatz Klaus Peter | Orientation aid for blind persons |
DE4004438A1 (en) * | 1990-02-14 | 1991-08-22 | Manfred Laschuetza | Specially equipped walking stick for blind person - gives all round acoustic picture of immediate area and direction and range of nearby objects |
DE4339997A1 (en) * | 1993-11-24 | 1995-06-01 | Hossein Zahedi | Combined radio cassette and obstacle locator for blind people |
WO1996025135A1 (en) * | 1995-02-17 | 1996-08-22 | Horst Meiners | Cane for the blind |
US6298010B1 (en) | 1997-04-30 | 2001-10-02 | Maria Ritz | Orientation aid for the blind and the visually disabled |
CN105943325A (en) * | 2016-06-07 | 2016-09-21 | 北京邮电大学 | Blind guiding equipment |
EP3292853A1 (en) * | 2016-09-09 | 2018-03-14 | ams AG | Portable environment sensing device |
US10182959B2 (en) | 2015-07-23 | 2019-01-22 | Enaay Tecnologías Sa De Cv | Spatial sensing device |
-
1985
- 1985-12-13 DE DE19853544047 patent/DE3544047A1/en not_active Withdrawn
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3743696A1 (en) * | 1987-12-18 | 1989-06-29 | Kolbatz Klaus Peter | Orientation aid for blind persons |
DE4004438A1 (en) * | 1990-02-14 | 1991-08-22 | Manfred Laschuetza | Specially equipped walking stick for blind person - gives all round acoustic picture of immediate area and direction and range of nearby objects |
DE4339997A1 (en) * | 1993-11-24 | 1995-06-01 | Hossein Zahedi | Combined radio cassette and obstacle locator for blind people |
WO1996025135A1 (en) * | 1995-02-17 | 1996-08-22 | Horst Meiners | Cane for the blind |
DE19505402A1 (en) * | 1995-02-17 | 1996-08-22 | Meiners Horst | Cane |
US6298010B1 (en) | 1997-04-30 | 2001-10-02 | Maria Ritz | Orientation aid for the blind and the visually disabled |
US10182959B2 (en) | 2015-07-23 | 2019-01-22 | Enaay Tecnologías Sa De Cv | Spatial sensing device |
CN105943325A (en) * | 2016-06-07 | 2016-09-21 | 北京邮电大学 | Blind guiding equipment |
EP3292853A1 (en) * | 2016-09-09 | 2018-03-14 | ams AG | Portable environment sensing device |
WO2018046439A1 (en) * | 2016-09-09 | 2018-03-15 | Ams Ag | Portable environment sensing device |
CN109562012A (en) * | 2016-09-09 | 2019-04-02 | ams有限公司 | Portable environment sensor device |
US10736811B2 (en) | 2016-09-09 | 2020-08-11 | Ams Ag | Portable environment sensing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |