Richard Daniel Willmann,Gerd Lanfermann,Juergen Te Vrugt,Edwin Gerardus Johannus Maria Bongers
申请号:
US13969731
公开号:
US09603769B2
申请日:
2013.08.19
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An assistance system for visually handicapped persons with visual impairment in a part of their visual field includes body-worn sensors to inform them actively about objects or movements in the visually impaired sides.