| 摘要 |
A multifunctional apparatus for visually handicapped persons comprises a RFID technology credit card, an integrated Bluetooth technology palmar apparatus, an optimized palmar device for blind persons, a RFID card reader, a palmar GPS system, and a managing internet platform,. The apparatus comprises elements which are commercially easily available, of a standardized type, made by several makers, and of a comparatively low cost.. |
