231964 ⎘
Stereophonic arrangements; Spatial or constructional arrangements of loudspeakers in a chair, pillow
Bone-conduction speaker device
#302Vehicular packaging system for headphone devices
#303System and method for integrating transducers into body support structures
#304Acoustic structure of seat back
#305Acoustin structure of seat back
#306Sound reproduction method and sound reproduction system
#307Backpack with integrated speakers
#308Conductive buttonhole interconnect
#309Communication system using bone conduction speaker
#310Portable audio devices
#311Ski goggles with digital music player
#312Pillow speaker remote control
#313Flexible lighting and sound configuration
#314Apparatus and method for boosting sound in a denta-mandibular sound-transmitting entertainment toothbrush
#315Chair with retractable cable unit
#316Sound and vibration transmission pad and system
#317Integrated loudspeaker and acoustic treatment system
#318Frequency shifter for use in adaptive feedback cancellers for hearing aids
#319Signal transmission system
#320Transducer for tactile applications and apparatus incorporating transducers
#321Portable speaker system
#322Audio headband device
#323Headgear and electronic components in combination
#324Portable musical instrument amplifier
#325Sound and vibration transmission pad and system
#326Picture frame assembly
#327Sound system
#328Navigation using sensor fusion
#329Vehicle entertainment system
#330Navigation using sensor fusion
#331Prenatal sound device