| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 04/01/2014 | US8687836 Loudspeaker system | 
| 04/01/2014 | US8686843 Motor vehicle with warning system | 
| 03/27/2014 | WO2014047406A1 Venting assembly and microporous membrane composite | 
| 03/27/2014 | WO2014047042A2 Headset power source managing | 
| 03/27/2014 | WO2014046137A1 Speaker device | 
| 03/27/2014 | WO2014045720A1 Sound emitter, sound emission device, and electronic apparatus | 
| 03/27/2014 | WO2014045645A1 Audio emitter, audio emission device, and electronic apparatus | 
| 03/27/2014 | WO2014045070A1 Coaxial loudspeaker arrangement | 
| 03/27/2014 | WO2014044954A1 Acoustic enclosure comprising input and output connection means linked together in such a way as to transmit inter alia electronic signals | 
| 03/27/2014 | WO2014043914A1 Loudspeaker | 
| 03/27/2014 | US20140087666 Bluetooth earphone | 
| 03/27/2014 | US20140086444 Vehicle door with a loudspeaker | 
| 03/27/2014 | US20140086443 Microphone Systems for Base Drums and Other Instruments | 
| 03/27/2014 | US20140086442 Furniture | 
| 03/27/2014 | US20140086441 Distributed Loop Speaker Enclosure Antenna | 
| 03/27/2014 | US20140086438 Control method of mobile terminal apparatus | 
| 03/27/2014 | US20140086429 Single chamber headphone apparatus | 
| 03/27/2014 | US20140086428 Portable terminal having bluetooth module and bluetooth communication method thereof | 
| 03/27/2014 | US20140086427 Audio Signal Level Control System | 
| 03/27/2014 | US20140082892 Headset cord holder | 
| 03/27/2014 | DE202012104960U1 Abdeckung, insbesondere für ein Instrumenttafelbauteil eines Kraftfahrzeugs Cover, in particular for an instrument panel component of a motor vehicle | 
| 03/26/2014 | EP2712208A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded | 
| 03/26/2014 | CN203504748U Marine horn loudspeaker | 
| 03/26/2014 | CN203504741U Strip-type groove array vibrating diaphragm applied to sounder | 
| 03/26/2014 | CN203504738U Wireless microphone with low cost | 
| 03/26/2014 | CN203504737U Wireless microphone circuit with low energy consumption | 
| 03/26/2014 | CN203504735U Draught fan sound attenuated enclosure | 
| 03/26/2014 | CN203504734U Creative music garden audio | 
| 03/26/2014 | CN203504733U Portable sound box | 
| 03/26/2014 | CN203504732U Combined speaker box | 
| 03/26/2014 | CN203504731U Tubular sound box | 
| 03/26/2014 | CN203504730U Symmetrical sound box | 
| 03/26/2014 | CN203504729U Portable audio device | 
| 03/26/2014 | CN203504728U Headset | 
| 03/26/2014 | CN203504727U Magnet adsorption type earphone shell | 
| 03/26/2014 | CN203504726U Buckle-type earphone shell | 
| 03/26/2014 | CN203504725U Earphone acoustic-cavity structure with inner cavity | 
| 03/26/2014 | CN203504724U Headphone | 
| 03/26/2014 | CN203504723U Wired earphone portable protection rack with sheath | 
| 03/26/2014 | CN203504722U Earphone without tuning medium | 
| 03/26/2014 | CN203504721U Headset jack converter | 
| 03/26/2014 | CN203504720U Jack-type radiation-proof earphone with spiral air tube | 
| 03/26/2014 | CN203504719U Two-ear Bluetooth earphone | 
| 03/26/2014 | CN203504718U Vehicle microphone entry guide structure | 
| 03/26/2014 | CN203504717U Binary channel microphone used by journalist | 
| 03/26/2014 | CN203504716U Three-terminal noise-reduction microphone | 
| 03/26/2014 | CN203504715U Telescopic microphone | 
| 03/26/2014 | CN203504714U Novel streamline sound box | 
| 03/26/2014 | CN203504713U Marine ceiling type loudspeaker | 
| 03/26/2014 | CN203504712U Handset and flat computer sound box | 
| 03/26/2014 | CN203504711U Combined speaker box | 
| 03/26/2014 | CN203504710U LED lighting sound box | 
| 03/26/2014 | CN203504709U Foldaway LED lighting sound box | 
| 03/26/2014 | CN203504708U Rotary sound box used in combination with digital product protective cover | 
| 03/26/2014 | CN203504707U Bluetooth wireless/wired music device | 
| 03/26/2014 | CN103688554A Microphone actuator | 
| 03/26/2014 | CN103686583A Five-stage headphone and manufacturing method thereof | 
| 03/26/2014 | CN103686528A Directional energy-saving sound box | 
| 03/26/2014 | CN103686527A Speaker module and related electronic device | 
| 03/26/2014 | CN103686526A Stereo equipment with multiple same type audio data interfaces | 
| 03/26/2014 | CN103686525A Bluetooth voice box | 
| 03/26/2014 | CN103686524A Environmental noise induction type intelligent sound box | 
| 03/26/2014 | CN103686523A Intelligent light-sensitive stereo | 
| 03/26/2014 | CN103686522A Horn-type loudspeaker | 
| 03/26/2014 | CN103686521A Coaxial linear array speaker | 
| 03/26/2014 | CN103686520A Biological antibacterial microphone sleeve | 
| 03/26/2014 | CN103686519A Selectively denoising electronic earplug | 
| 03/26/2014 | CN103686518A Multifunctional integral headset | 
| 03/26/2014 | CN103686517A Earphone volume adjustment circuit | 
| 03/26/2014 | CN103686516A Bluetooth headset capable of sharing audios and control method thereof | 
| 03/26/2014 | CN103686515A Earphone system and control method with automatic sensing detection and control functions | 
| 03/26/2014 | CN103686514A Headset plug capable of being subjected to straight and L-shaped conversion | 
| 03/26/2014 | CN103686513A Watch Bluetooth headset and method for applying same | 
| 03/26/2014 | CN103686512A Bi-crystal piezoelectric ceramic receiver used for mobile phone and tablet computer | 
| 03/26/2014 | CN103686511A Ear appliance | 
| 03/26/2014 | CN103686510A Earphone | 
| 03/26/2014 | CN103686509A Low-quiescent current headset driver | 
| 03/26/2014 | CN103686508A Automatic power adjusting headphones | 
| 03/26/2014 | CN103686507A Dismountable earphone | 
| 03/26/2014 | CN103686506A Headset device | 
| 03/26/2014 | CN103686505A Earphone sharing device | 
| 03/26/2014 | CN103686504A Portable octopus earbuds | 
| 03/26/2014 | CN103686503A Built-in MP3 earphone | 
| 03/26/2014 | CN103686502A 5.1 sound track Bluetooth noise cancelling headset | 
| 03/26/2014 | CN103686501A Noise cancelling bluetooth headset | 
| 03/26/2014 | CN103686500A Replaceable earplugs | 
| 03/26/2014 | CN103686499A Bionic pickup | 
| 03/26/2014 | CN103686498A Denoising communication device | 
| 03/26/2014 | CN103686497A Loudspeaker box face mask | 
| 03/26/2014 | CN103686496A Loudspeaker box | 
| 03/26/2014 | CN103686495A Loudspeaker fixing structure and display device | 
| 03/26/2014 | CN103686494A Electronic apparatus | 
| 03/26/2014 | CN103686493A Portable pull rod loudspeaker box | 
| 03/26/2014 | CN103686492A Bluetooth voice box | 
| 03/26/2014 | CN103686491A Bluetooth voice box | 
| 03/26/2014 | CN103686490A Bluetooth voice box | 
| 03/26/2014 | CN103686489A Bluetooth voice box | 
| 03/26/2014 | CN103686488A Miniature loudspeaker box | 
| 03/26/2014 | CN103686487A Bluetooth voice box | 
| 03/26/2014 | CN103686486A Music box |