231909 ⎘
Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only Spatial arrangements of separate transducers responsive to two or more frequency ranges
Speaker system and speaker cluster system
#602Earpiece with Acoustic Vent for Driver Response Optimization
#603Rigging system for line array speakers
#604Loudspeaker port handle
#605Multiple Loudspeaker Device
#606Speaker system
#607Musical tone apparatus
#608DUAL-TWEETER LOUDSPEAKER
#609Surround Speaker Cabinets
#610Integrated multi-channel audio box
#611In-wall sub-woofer system with high-volume displacement
#612SYSTEM AND METHOD FOR INTELLIGENT EQUALIZATION
#613Earphone
#614Earpiece with Acoustic Vent for Driver Response Optimization
#615SOUND MASK AND SOUND BOX
#616Information processor and controller device
#617Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
#618Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus
#619Speaker system for mobile device
#620Electroacoustic Transducer System and Manufacturing Method Thereof
#621Earphone ambient eartip
#622Multiple channel earphone
#623Electrostatic loudspeaker systems and methods
#624Acoustic compliance adjuster
#625Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
#626Spherically housed loudspeaker system
#627Non-directional transducer
#628Speaker
#629Speaker and method of outputting acoustic sound
#630Signal routing for reduced power consumption in a conferencing system
#631Biplane line array speaker with arcuate tweeter array providing controlled directivity
#632Wireless plug-in speaker unit
#633Earpiece with acoustic vent for driver response optimization
#634Flat panel audio output apparatus and video/audio output apparatus
#635High-fidelity earpiece with adjustable frequency response
#636System and method for reproducing moving picture
#637Acoustic structure of seat back
#638Support assemblies with rotation adjustment and associated methods
#639Electro-acoustic transducer with multi-faced diaphragm assembly
#640Collapsible electro-acoustic transducer system
#641Combined computer mouse and speaker device
#642Speaker assemblies and mobile terminals including the same
#643Headset with optimized treble reproduction
#644Mobile terminal with at least two transducers
#645Bessel soundbar
#646Arbitrary coverage angle sound integrator
#647Gaming headset vibrator
#648Acoustic device
#649Bessel array with full amplitude signal to half amplitude position transducers
#650Bessel dipole loudspeaker
#651MTM of bessels loudspeaker
#652Bessel array with non-empty null positions
#653Electrodynamic acoustic transducer
#654Apparatus for improving image in car audio system, and control method thereof
#655Sound tube tuned multi-driver earpiece
#656In-ear monitor with shaped dual bore
#657Voice coil device and speaker device using the voice coil device
#658Electricalacoustic ransducer
#659Compound-driven augmented passive radiator
#660Dipole and monopole surround sound speaker system
#661Loudspeaker with variable radiation pattern
#662Acoustic actuators
#663Method and apparatus to compensate a phase of a subwoofer channel signal
#664Apparatus and method for producing sound
#665Single-sided Bessel array
#666Bessel array
#667Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges
#668Vehicle loudspeaker array
#669Headphone device with surround sound effect
#670Handheld device loudspeaker system
#671Method and apparatus to generate an audio beam with high quality
#672Multiple channel earphone
#673[Earphone structure with a composite sound field ]
#674Speaker
#675Loudspeaker array system
#676Loudspeaker array system
#677Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
#678Acoustic device
#679Acoustic device
#680Image display device with built-in loudspeakers
#681Acoustic drive arrays and loudspeakers incorporating same
#682Compact surround-sound system
#683Loudspeaker enclosure
#684Headphone
#685Speaker assemblies and mobile terminals including the same
#686Multi-channel audio center speaker device
#687Dog-shaped loudspeaker box
#688In-celing 3-way minimal opening bandpass speaker
#689PMD speaker mounting assembly and thermal control system for multiple drivers
#690Horn-loaded loudspeaker
#691Speaker systems including forward and backward facing passive radiators
#692Vehicle audio system
#693Vehicle audio system
#694Active acoustic meta material loudspeaker system and the process to make the same
#695Ease-of-use wireless speakers