| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 11/20/2013 | CN203301572U Support of mobile phone winder | 
| 11/20/2013 | CN203300220U A portable vehicle-mounted audio device integrated with a touch screen | 
| 11/20/2013 | CN203291192U Sound box massager | 
| 11/20/2013 | CN103404168A Noise reducing earphone | 
| 11/20/2013 | CN103404167A Moisture resistant headpieces and implantable cochlear stimulation systems including the same | 
| 11/20/2013 | CN103404166A Waterproof sound-transmitting film and electrical product | 
| 11/20/2013 | CN103402656A Load-resisting structure of multifunctional vibration actuator | 
| 11/20/2013 | CN103402156A Acoustic system | 
| 11/20/2013 | CN103402155A Bluetooth earphone | 
| 11/20/2013 | CN103402154A Structure for preventing earphone wires from knotting | 
| 11/20/2013 | CN103402153A Environment-friendly non-radiative earphone | 
| 11/20/2013 | CN103402152A Touch prompting device and wireless earphone | 
| 11/20/2013 | CN103402151A Portable microphone with electric power supplied by voice vibration | 
| 11/20/2013 | CN103402150A Ventilation structure of electroacoustic product and shell using ventilation structure | 
| 11/20/2013 | CN103402149A Method for virtualizing set top box into Bluetooth sound box, set top box and host | 
| 11/20/2013 | CN103401984A Bluetooth headset and communication device | 
| 11/20/2013 | CN103401675A Paired earphone end-to-end communication scrambling-descrambling method, device and scrambling-descrambling earphone | 
| 11/20/2013 | CN102340722B Digital-analog hybrid microphone | 
| 11/20/2013 | CN102099983B Gaming headset and charging method | 
| 11/19/2013 | US8588456 Acoustic conversion device | 
| 11/19/2013 | US8588453 Reverse-direction co-axial earphone | 
| 11/19/2013 | US8588450 Annular ring acoustic transformer | 
| 11/19/2013 | US8588438 Driving interface device adaptive to a flat speaker | 
| 11/19/2013 | CA2538374C Shear mode folded shell projector | 
| 11/14/2013 | WO2013169694A2 Configurable speaker | 
| 11/14/2013 | WO2013169623A1 Audio user interaction recognition and application interface | 
| 11/14/2013 | WO2013169621A1 Audio user interaction recognition and context refinement | 
| 11/14/2013 | WO2013169618A1 Audio user interaction recognition and context refinement | 
| 11/14/2013 | WO2013168478A1 Piezoelectric vibration element, and piezoelectric vibration device and portable terminal using piezoelectric vibration element | 
| 11/14/2013 | WO2013167183A1 Mems microphone assembly and method of operating the mems microphone assembly | 
| 11/14/2013 | WO2013166945A1 Linear object retaining device | 
| 11/14/2013 | WO2013166798A1 Thinned sound chamber device | 
| 11/14/2013 | WO2013166648A1 Speaker and its production method | 
| 11/14/2013 | WO2013143971A3 Media/communications system | 
| 11/14/2013 | US20130305152 Methods and systems for subwoofer calibration | 
| 11/14/2013 | US20130303096 Wireless headphones device | 
| 11/14/2013 | US20130301868 Bobbin and loudspeaker using the same | 
| 11/14/2013 | US20130301864 Earbud cord anti-tangling device | 
| 11/14/2013 | US20130301863 Hand-held electronic device and/or cover for a hand-held electronic device | 
| 11/14/2013 | US20130301861 Extendable sound bar | 
| 11/14/2013 | US20130301855 Spherically housed loudspeaker system | 
| 11/14/2013 | US20130301852 Sound processor housings, sound processors and implantable cochlear stimulation systems including the same | 
| 11/14/2013 | US20130301850 Method and earpiece for visual operational status indication | 
| 11/14/2013 | DE202013007738U1 Vorrichtung zum Erzeugen eines elektroakustischen Schallwandlersignals mittels der Stimme eines Benutzers Apparatus for producing an electro-acoustic transducer signal by means of a user of the voice | 
| 11/14/2013 | DE102005012711B4 Mehrfachkanal-Kopfhörer Multi-channel headphones | 
| 11/14/2013 | DE102004036355B4 Kopfhörerstruktur mit einem Mischklangfeld Headphone structure with a mixed sound field | 
| 11/14/2013 | DE10027618B4 Schallwandler Transducer | 
| 11/13/2013 | EP2663091A1 Digital speaker with enhanced performance | 
| 11/13/2013 | EP2661920A1 Systems and methods for tv white space spectrum sensing | 
| 11/13/2013 | EP2661906A1 Innovative sound system | 
| 11/13/2013 | EP2661905A1 An audio system and method of operation therefor | 
| 11/13/2013 | EP2661904A2 Audio listening system | 
| 11/13/2013 | CN203289621U Music player | 
| 11/13/2013 | CN203289620U Double-speaker earphone | 
| 11/13/2013 | CN203289619U Earphone | 
| 11/13/2013 | CN203289618U Earphone capable of adjusting and displaying headband clamping force | 
| 11/13/2013 | CN203289617U A novel headset wire | 
| 11/13/2013 | CN203289616U Self-adaptive earlap structure of headset | 
| 11/13/2013 | CN203289615U Earplug with shaped matched with ear shape | 
| 11/13/2013 | CN203289614U Earphone winder | 
| 11/13/2013 | CN203289613U Switch for Bluetooth earphone | 
| 11/13/2013 | CN203289612U Locking key for earphone | 
| 11/13/2013 | CN203289611U Plug block for earphone | 
| 11/13/2013 | CN203289610U Lower cover for earphone | 
| 11/13/2013 | CN203289609U Upper cover for earphone | 
| 11/13/2013 | CN203289608U Right cover for earphone | 
| 11/13/2013 | CN203289607U Left cover for earphone | 
| 11/13/2013 | CN203289606U Press button for earphone | 
| 11/13/2013 | CN203289605U Bluetooth earphone | 
| 11/13/2013 | CN203289604U A portable microphone sound insulator | 
| 11/13/2013 | CN203289603U Wireless microphone | 
| 11/13/2013 | CN203289602U Microphone rack flickering with music | 
| 11/13/2013 | CN203289601U A self-driven horn | 
| 11/13/2013 | CN203289600U Loudspeaker box with light-reflecting ball | 
| 11/13/2013 | CN203289599U Sound box | 
| 11/13/2013 | CN203289598U Bluetooth sound box with mobile power supply | 
| 11/13/2013 | CN203289521U Three-dimensional sound chamber structure for mobile phone | 
| 11/13/2013 | CN203289125U Bluetooth earphone hanging rope | 
| 11/13/2013 | CN1845582B Imaging device, sound record device, and sound record method | 
| 11/13/2013 | CN1703115B Speaker | 
| 11/13/2013 | CN103392348A Acoustic horn gain managing | 
| 11/13/2013 | CN103392334A Acoustic porting for a portable communication device | 
| 11/13/2013 | CN103391494A Bluetooth headset provided with acceleration sensor | 
| 11/13/2013 | CN103391493A Plug type earphone with threads | 
| 11/13/2013 | CN103391492A Headsets for intelligently switching between headset mode and loud speaker mode | 
| 11/13/2013 | CN103391491A Multifunctional Bluetooth headset with neck loudspeakers | 
| 11/13/2013 | CN103391490A Audio processing device, audio processing method and program | 
| 11/13/2013 | CN103391489A Power carrier sound box device and control system thereof | 
| 11/13/2013 | CN103391118A Bluetooth headset and audio sharing method by virtue of Bluetooth headsets | 
| 11/13/2013 | CN103388865A Combined humidifier | 
| 11/13/2013 | CN102177732B Directivity microphone device | 
| 11/13/2013 | CN102149030B Loudspeaker assembly structure using rotary fastening mechanism | 
| 11/13/2013 | CN102075828B Underwater very low frequency (VLF) broadband sound source | 
| 11/13/2013 | CN101803400B 麦克风装置 Microphone device | 
| 11/13/2013 | CN101356851B 家用器具 Household appliances | 
| 11/13/2013 | CN101163349B Headphone device | 
| 11/12/2013 | US8582799 Speaker device | 
| 11/12/2013 | US8582798 Speaker mounting system | 
| 11/12/2013 | US8582797 Portable electronic device with a magnetic-locking speaker | 
| 11/12/2013 | US8582795 Robust diaphragm for an acoustic device |