Acoustic conduits; Acoustic coupling devices; Acoustic membranes; Acoustic separation units; Amplifiers; Apparatus for wireless transmission of acoustic information; Audio headphones; Bullhorns; Cables, electric; Ear buds; Earphones and headphones; Electroacoustic transducers; Electronic systems for recording and automated playback of acoustic pianos; Headphones including attached lanyard; Loudspeakers, headphones, microphones and CD players; Megaphones; Microphones; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems; Personal stereos; Portable media players; Software to control and improve audio equipment sound quality; Sound reproduction apparatus; Sound transmitting apparatus; Stereo headphones; Telephone apparatus; Telephone receivers

'acoust':1,3,6,8,17,39 'amplifi':11 'apparatus':12,58,83,86,90 'attach':43 'audio':19,77 'autom':36 'bud':25 'bullhorn':21 'cabl':22 'cd':49 'conduit':2 'control':74 'coupl':4 'devic':5 'ear':24 'earphon':26 'electr':23 'electroacoust':29 'electron':31 'equip':78 'headphon':20,28,41,46,54,60,88 'improv':76 'includ':42 'inform':18 'lanyard':44 'loudspeak':45 'media':70 'megaphon':51 'membran':7 'microphon':47,52 'person':53,59,67 'piano':40 'playback':37 'player':50,71 'portabl':69 'qualiti':80 'receiv':92 'record':34 'reproduct':82 'separ':9 'softwar':72 'sound':56,64,79,81,84 'stereo':68,87 'system':32,66 'telephon':89,91 'transduc':30 'transmiss':15 'transmit':57,65,85 'unit':10 'use':62 'wireless':14

INNOVATION

Owner

Goods & Services