A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/08 (2006.01) A61H 3/06 (2006.01) G01B 11/24 (2006.01) G01S 17/88 (2006.01) G09B 21/00 (2006.01)
Patent
CA 2182117
A method and apparatus enabling real-time three-dimensional recognition by a visually challenged person of outlines, reflectivities and movements in his or her surroundings. Spatial data is obtained by high-resolution range (D) and reflectivity (G) measurement scanning of obstacles in a scanned area to give sectional range (47) and reflectivity (48) planes. The sensor consists of compact active optical profilometers (1). A touch (3) or sound (42) interface provides real-time transmission of measurement data through the skin. The data is coded to make it intelligible to the brain without using a large number of cells. The measurement parameters (resolution, angular field, scanning, direction) are determined by the user and partially automated, and the system as a whole is controlled by a portable electronic device (2).
L'invention concerne une méthode et un appareillage permettant au non-voyant de reconnaître à trois dimensions, en temps réel, les profils, réflectivités et mol'espace sont obtenues par un balayage de mesures de distances (D) et réflectivités (G), champ d'exploration dégageant des lignes de coupe en distance (47) et réflectivité (48ues actifs compacts (1). L'interface tactile (3) ou sonore (42) transmet en temps réel, pant des mesures. Un codage de cette information permet de la rendre interprétable parllules. Les caractéristiques des mesures (résolution, champ angulaire, balayage, orienllement automatisées. L'ensemble est géré par un dispositif électronique portable (2).
Farcy Rene Alfred
Robic
LandOfFree
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