Patents for H04R 1 - Details of transducers (42,173)
06/2013
06/26/2013CN203027446U Sound field sound box
06/26/2013CN203027445U Portable solar sound device
06/26/2013CN203027444U Resonance loudspeaker for clay figurine artware
06/26/2013CN203027443U Three-dimensional puzzle model vibration loudspeaker
06/26/2013CN203027442U Bluetooth hands-free sound box
06/26/2013CN203027441U Environmental noise induction type intelligent stereo
06/26/2013CN203027440U Novel headphone
06/26/2013CN203027439U Headset with pressure-equalizing device
06/26/2013CN203027438U Earphone with embedded pressure equalizing device
06/26/2013CN203027437U Radiation-proof one-way earphone with air helix tube
06/26/2013CN203027436U In-ear earphone and earlap thereof
06/26/2013CN203027435U Portable replaceable earphones
06/26/2013CN203027434U Magnetic connector for earphone with voice call function
06/26/2013CN203027433U Radiation-proof monaural cell phone earphones
06/26/2013CN203027432U Device for improving squeaking of receiver
06/26/2013CN203027431U Receiver for low-frequency compensation
06/26/2013CN203027430U Ultrathin telephone receiver
06/26/2013CN203027429U Ultrathin low-frequency telephone receiver
06/26/2013CN203027428U Ultra-thin receiver with adjustable frequency response
06/26/2013CN203027427U Improved device for improving squeaking of receiver
06/26/2013CN203027426U Screening shell and receiver thereof
06/26/2013CN203027425U Bone-conduction telephone receiver with integral-type vibrating diaphragm
06/26/2013CN203027424U Adaptive telephone receiver
06/26/2013CN203027423U Warm-keeping headset
06/26/2013CN203027422U Headphone
06/26/2013CN203027421U Earphone with earphone cord extending unit
06/26/2013CN203027420U Earphone having volume dual-adjustment function
06/26/2013CN203027419U Magnetic buckling type earphone
06/26/2013CN203027418U Adaptive telephone transmitter
06/26/2013CN203027417U Hand-operated charging type microphone
06/26/2013CN203027416U Wireless remote control stereo
06/26/2013CN203027415U Touch sound device
06/26/2013CN203027414U Sound box with built-in volume adjuster
06/26/2013CN203027413U Alternating-current and direct-current sound box capable of switching direct-current circuit according to cell type
06/26/2013CN203027412U Alternating-current and direct-current double-purpose active integrated loudspeaker box
06/26/2013CN203027411U Novel lawn loudspeaker
06/26/2013CN203027410U Sound device with independent power supply
06/26/2013CN203027409U Mobile stereo
06/26/2013CN203027408U Magnetic attraction sound device
06/26/2013CN203027407U Sound device with MP3 (MPEG Audio Layer 3) player
06/26/2013CN203027406U Ultrathin sound device
06/26/2013CN203027405U Shockproof sound device
06/26/2013CN203027404U Anti-theft sound device
06/26/2013CN203027403U Vehicle-mounted heat-dissipating sound device
06/26/2013CN203027402U Wiring-free loudspeaker connecting base
06/26/2013CN203027401U Shielding shell with positioning base plate and receiver with same
06/26/2013CN203027400U Clamping type screening shell and sounding unit with same
06/26/2013CN203027399U Maitreya sound box
06/26/2013CN203027398U Aluminum rear frame of soundbox
06/26/2013CN203027397U Connection cushion and damping connection device
06/26/2013CN203027396U Novel card sound box structure
06/26/2013CN203027395U Ultrathin pressure-resistant horn
06/26/2013CN203027394U Stereo system
06/26/2013CN203027393U Novel anti-sliding and moisture-proof security sleeve for loudspeaker box
06/26/2013CN203027392U Collar clip
06/26/2013CN203026982U Mobile phone charging device with loudspeaker
06/26/2013CN203022268U Installing structure for ceiling soundbox
06/26/2013CN203016986U Split-type wireless stethoscope
06/26/2013CN103181199A Communication system comprising a telephone and a listening device, and transmission method
06/26/2013CN103181195A Oscillator and electronic equipment
06/26/2013CN103181194A Electronic equipment
06/26/2013CN103181193A Acoustic molded article, speaker using same, and electronic equipment and mobile apparatus using speaker
06/26/2013CN103181189A Array loudspeaker system
06/26/2013CN103181188A Mobile apparatus
06/26/2013CN103179494A Hearing aid system and microphone device
06/26/2013CN103179489A 音响输出装置 Audio output device
06/26/2013CN103179488A Loudspeaker with direct sound volume adjusting function and sound source module of loudspeaker
06/26/2013CN103179487A Sound box device and electronic terminal
06/26/2013CN103179486A Mobile electronic device with closed sound chamber
06/26/2013CN103179485A Active folding type earphone as well as turning on and off method and device thereof
06/26/2013CN103179484A In-ear flashing headset
06/26/2013CN103179483A In-ear headset with multiple dynamic drive units
06/26/2013CN103179482A All-directional automatic angle adjuster for single-shaft headphone shell
06/26/2013CN103179481A Earphone capable of improving English listening comprehension of user
06/26/2013CN103179480A Earphone casing and earphone
06/26/2013CN103179479A Bluetooth headset radio frequency sensitivity improvement method and bluetooth headset using same
06/26/2013CN103179478A Microphone suitable for operating under high illumination conditions
06/26/2013CN103179477A Connection structure of microphone cable and microphone device with the connection structure
06/26/2013CN103179476A Pneumatic soundbox bracket
06/26/2013CN103179475A Wireless speaker and wireless speaker system comprising wireless speakers
06/26/2013CN103179474A Speaker component with platformized basin stand
06/26/2013CN103179473A Concentric glowing knob structure and loudspeaker with knob structure
06/26/2013CN101754070B Elastomer loudspeaker box system
06/25/2013US8472660 Headphone adaptation and positioning device with means for holding an earbud stem
06/25/2013US8472657 Forming a geometric structure in a device housing to externally provide a hardware element of a mobile telecommunication device
06/25/2013US8472645 Device with dynamic magnet loudspeaker
06/25/2013US8472637 Variable ANR transform compression
06/25/2013CA2713350C Headset systems and methods
06/24/2013DE202011110310U1 Kleidungsstück mit eingebauter Audioquellenverkabelung Garment with integrated audio source wiring
06/20/2013WO2013090542A1 Apparatus in an acoustic assembly for registering assembly parts
06/20/2013WO2013090256A1 Speaker with spheroidal acoustic emitter housing
06/20/2013WO2013090089A1 Method and apparatus for providing spatially selectable communications using deconstructed and delayed data streams
06/20/2013WO2013089972A1 Power supply voltage-based headset function control
06/20/2013WO2013089878A1 Extended duct with damping for improved speaker performance
06/20/2013WO2013089266A1 Speaker mounting structure and clip used in same
06/20/2013WO2013089239A1 Actuator for vibrating a soundboard in a musical instrument and method for attaching same
06/20/2013WO2013088689A1 Sealed headphone
06/20/2013WO2013088678A1 Electronic apparatus and audio control method
06/20/2013WO2013087900A1 Loudspeaker housing
06/20/2013WO2013087758A1 Ear canal earphone
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