| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 11/27/2013 | CN203313348U Device for improving bass radiation efficiency of phase-reversing sound box  | 
| 11/27/2013 | CN203313347U Luminous sound box  | 
| 11/27/2013 | CN203312836U Charging base of wireless microphone  | 
| 11/27/2013 | CN203311850U Retrofitted vehicular audio system  | 
| 11/27/2013 | CN203311100U Adjustable filter lenses based on a headset  | 
| 11/27/2013 | CN203305893U Floating horn connecting assembly  | 
| 11/27/2013 | CN103416075A Audio apparatus  | 
| 11/27/2013 | CN103414980A Method for compensating delay and frequency response characteristics of multi-output channel sound system  | 
| 11/27/2013 | CN103414979A Miniature sound box  | 
| 11/27/2013 | CN103414978A Sound intensity instrument frequency response calibrating device of acoustic coupler method  | 
| 11/27/2013 | CN103414977A Earphone with treatment head  | 
| 11/27/2013 | CN103414976A Earphones with buckle  | 
| 11/27/2013 | CN103414975A Anti-winding earphone  | 
| 11/27/2013 | CN103414974A Loudspeaker sound chamber structure  | 
| 11/27/2013 | CN103414973A Earphone  | 
| 11/27/2013 | CN103414972A 耳机装置 Earphone device  | 
| 11/27/2013 | CN103414971A 扬声器模组 Speaker Module  | 
| 11/27/2013 | CN103414970A Miniature sound box  | 
| 11/27/2013 | CN103414969A Miniature sound box  | 
| 11/27/2013 | CN103414968A Miniature sound box  | 
| 11/27/2013 | CN103414967A Miniature sound box  | 
| 11/27/2013 | CN103414966A Miniature sound box  | 
| 11/27/2013 | CN103414965A Miniature sound box  | 
| 11/27/2013 | CN103414964A Miniature sound box  | 
| 11/27/2013 | CN103414963A LED lamp for sound box  | 
| 11/27/2013 | CN103413561A Wireless sound box-based audio playing method and system  | 
| 11/27/2013 | CN103413511A Voice navigation system  | 
| 11/26/2013 | US8594743 Portable terminal, audio output control method, and audio output control program  | 
| 11/26/2013 | US8594363 Voice coil and SMT micro speaker using the same  | 
| 11/26/2013 | US8594362 Speaker  | 
| 11/26/2013 | US8594361 Speaker mounting member for display apparatus  | 
| 11/26/2013 | US8594360 Mounting structure for speaker and flat panel display  | 
| 11/26/2013 | US8594358 Passive acoustical radiating  | 
| 11/26/2013 | US8594357 Loudspeaker system  | 
| 11/26/2013 | US8594350 Set-up method for array-type sound system  | 
| 11/26/2013 | US8594347 Microphone having multiple transducer elements  | 
| 11/26/2013 | US8590666 Array element rigging component, system and method  | 
| 11/26/2013 | DE202013004923U1 Audiomaterial-Umwandlungsgerät zur Optimierung der Klangwiedergabe aus der Sicht einer hörenden Person Audio conversion tool to optimize audio performance from the perspective of a hearing person  | 
| 11/21/2013 | WO2013172024A1 Electronic apparatus  | 
| 11/21/2013 | WO2013172019A1 Electronic device  | 
| 11/21/2013 | WO2013172018A1 Electronic device  | 
| 11/21/2013 | WO2013171918A1 Piezoelectric actuator, piezoelectric vibration device, and mobile terminal  | 
| 11/21/2013 | WO2013171917A1 Piezoelectric actuator, piezoelectric vibration device, and mobile terminal  | 
| 11/21/2013 | WO2013171915A1 Piezoelectric actuator, piezoelectric vibration device, and mobile terminal  | 
| 11/21/2013 | WO2013171635A2 Headphones with increased security and triple function with adaptable equalization  | 
| 11/21/2013 | WO2013170513A1 Shielding casing for moving-iron speaker or telephone receiver  | 
| 11/21/2013 | WO2013144371A4 A hearing device with an inertial measurement unit  | 
| 11/21/2013 | US20130311176 MRI Compatible Headset  | 
| 11/21/2013 | US20130310503 Polyarylene sulfide film  | 
| 11/21/2013 | US20130308816 Articulating speaker assembly providing for pivotal adjustment of connected first and second midrange members  | 
| 11/21/2013 | US20130308815 Speaker enclosure  | 
| 11/21/2013 | US20130308814 Speaker porting around backlit keyboard  | 
| 11/21/2013 | US20130308813 Acoustically Isolated Parabolic Sound Pickup Assembly  | 
| 11/21/2013 | US20130308812 Micro-speaker box  | 
| 11/21/2013 | US20130308811 Apparatus and method for long playback of short recordings  | 
| 11/21/2013 | US20130308810 Speaker  | 
| 11/21/2013 | US20130308809 Loudspeaker arrangement  | 
| 11/21/2013 | US20130308796 Display means and shield  | 
| 11/21/2013 | US20130308787 Accessory Button Controller Assembly  | 
| 11/21/2013 | US20130306399 Customizable Modular Speaker System  | 
| 11/20/2013 | EP2664221A1 Printed circuit board with an acoustic channel for a microphone  | 
| 11/20/2013 | EP2664159A2 Microphone system with a hand-held microphone  | 
| 11/20/2013 | EP2532176B1 Controller for a headphone arrangement  | 
| 11/20/2013 | EP2142956B1 Member for transmitting the sound of a loud-speaker to the ear and equipment fitted with such member  | 
| 11/20/2013 | EP1961260B1 Apparatus for measuring acoustic pressure  | 
| 11/20/2013 | CN203301740U Microphone based on 2.4Hz wireless radio frequency technology  | 
| 11/20/2013 | CN203301715U Automobile horn with waterproof function  | 
| 11/20/2013 | CN203301714U Mutual inductance speaker  | 
| 11/20/2013 | CN203301713U Home theater sound box structure  | 
| 11/20/2013 | CN203301712U Audio equipment with light emitting devices  | 
| 11/20/2013 | CN203301711U Bluetooth speaker with adsorption function  | 
| 11/20/2013 | CN203301710U Wearable necklace-type earphone  | 
| 11/20/2013 | CN203301709U Earphone mic  | 
| 11/20/2013 | CN203301708U Noise reducing earphone with radio set function  | 
| 11/20/2013 | CN203301707U 2.4G independent receiving type wireless headphone  | 
| 11/20/2013 | CN203301706U A split earphone  | 
| 11/20/2013 | CN203301705U Head-mounted type single-microphone headphone  | 
| 11/20/2013 | CN203301704U Multi-head earphone  | 
| 11/20/2013 | CN203301703U Novel zipper earphone  | 
| 11/20/2013 | CN203301702U Shell type earphone for handset  | 
| 11/20/2013 | CN203301701U Arm strap and take-up device thereof  | 
| 11/20/2013 | CN203301700U Earphone  | 
| 11/20/2013 | CN203301699U Police wireless earphone bluetooth emitter  | 
| 11/20/2013 | CN203301698U Earphone enabling music appreciation and light stimulation  | 
| 11/20/2013 | CN203301697U Portable folding wireless earphone  | 
| 11/20/2013 | CN203301696U Microphone  | 
| 11/20/2013 | CN203301695U Fixing device for connection line of microphone  | 
| 11/20/2013 | CN203301694U Pole plate for mini microphone  | 
| 11/20/2013 | CN203301693U Microphone  | 
| 11/20/2013 | CN203301692U Vocal cavity structure reducing microphone pickup wind noise  | 
| 11/20/2013 | CN203301691U Windproof, denoising and unidirectional microphone  | 
| 11/20/2013 | CN203301690U Microphone with shock absorption device  | 
| 11/20/2013 | CN203301689U Shock absorption bracket and microphone assembly  | 
| 11/20/2013 | CN203301688U Loudspeaker module  | 
| 11/20/2013 | CN203301687U A sound production device  | 
| 11/20/2013 | CN203301686U Sound box of rotary tuning structure  | 
| 11/20/2013 | CN203301685U Sound box damping and denoising device  | 
| 11/20/2013 | CN203301684U Audio equipment with visual audio mode selection pieces  | 
| 11/20/2013 | CN203301683U Precise stereo recording seat frame  | 
| 11/20/2013 | CN203301682U Loudspeaker module  |