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