Patent · US Active

Device for communicating environmental information to a visually impaired person

US7855657B2 · kind B2 · utility

56Cited by

6References

17Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Gunter Doemens · Holzkirchen, DE
Peter Mengel · Eichenau, DE
Wolfgang Stark · Esslingen am Neckar, DE

Key dates

Filing date	Jan 10, 2006
Grant date	Dec 21, 2010
Priority date	—
Expiry date	Sep 6, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61H2003/063
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An aid for a blind person (1), includes a distance sensor (3), which creates a distance image of an object (2). The distance information that is generated by the distance sensor (3) is transmitted to a tactile matrix (10), which is integrated into a guide stick (11). The blind person (1) obtains information about his or her environment by touching the tactile matrix (10).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.