Intelligent tactile stick with blind sidewalk detection and positioning functions and blind person guiding method
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- TSINGHUA UNIV
- Publication Date
- 2019-11-15
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the field of blind guide technology, in particular to an intelligent blind guide stick and a blind guide method with the function of blind path detection and positioning. Background technique
[0002] According to the World Health Organization (WHO) estimate in 2017, there are about 1.3 billion visually impaired people in the world, of which about 36 million people suffer from blindness. Visually impaired people encounter many inconveniences in their lives, one of which is the inability to travel independently. In the 1930s, the guide stick came out. Since the blind guide stick can detect the surrounding environment, it expands the tactile range of the blind and becomes the main tool for many blind people to travel. At the same time, the blind cane has also become a symbol of the visually impaired, and it has a certain warning effect on the people around.
[0003] In recent years, many foreign researchers have devoted themse...