232212 ⎘
Details of hearing devices, i.e. of ear- or headphones covered by or but not provided for in any of their subgroups, or of hearing aids covered by but not provided for in any of its subgroups
Sub-classes:Headphone and headphone safety device for alerting user from impending hazard, and method thereof
#2Probes arrangement
#3Thermal powered wearable device
#4Diagnostic testing and adaption
#5Custom fit in-ear monitors utilizing a single piece driver module
#6Manufacturing process for a custom fit in-ear monitor utilizing a single piece driver module
#7HEARING-AID APPARATUS AND METHOD USING ULTRASONIC WAVES