232145 ⎘
Details of deaf aids covered by , not provided for in any of its subgroups
Sub-classes:Sound output apparatus
#2Hearing instrument and method of providing such hearing instrument
#3Glass type terminal
#4Time division multiplexed access method of operating a near field communication system and a near field communication system operating the same
#5Portable terminal and sound detector, which both communicate using body area network, and data controlling method therefor