主权项 |
1. A playing card system adapted to be used by the visually-impaired comprising:
(a) a set of playing cards, (b) a set of passive NFC devices, one of said passive devices being attached to each of said cards, (c) each of said passive NFC devices containing coded card identification of the card to which the one of said passive devices is attached, (d) a housing adapted to be worn on a finger of a human hand, (e) a NFC reader attached to said housing, (f) said NFC reader adapted to read said coded identification of each of said cards when said reader is positioned in proximity to one of said passive NFC devices to provide an output coded signal, (g) an earpiece adapted to be worn by a human, (h) said earpiece containing decoding circuitry and a speaker, (i) means to couple said output coded signals of said NFC reader to said decoding circuitry, (j) said earpiece containing a set of audio files, each of said audio files corresponding to a separate one of said card identifications, (k) said earpiece being responsive to each of said output coded signals of said reader to execute the one of said audio files that corresponds to the one of said cards represented by the one of said output coded signals, (l) the execution of an audio file providing audio information through said speaker to the wearer of said earpiece. |