| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 02/26/2014 | CN101442695B Microphone system, sound input apparatus and method for manufacturing the same | 
| 02/25/2014 | US8660291 Speaker device and electronic device having the same | 
| 02/25/2014 | US8660288 Twin driver earphone | 
| 02/25/2014 | US8660286 Speaker system | 
| 02/25/2014 | US8660279 Nested compound loudspeaker drive unit | 
| 02/25/2014 | US8660278 Headset systems and methods | 
| 02/25/2014 | DE202014100491U1 Lautsprecher Speaker | 
| 02/25/2014 | CA2635879C Electrostatic loudspeaker systems and methods | 
| 02/20/2014 | WO2014028649A1 Microphone stand mounting brackets | 
| 02/20/2014 | WO2014028618A1 Canalphone specification system and method | 
| 02/20/2014 | WO2014028602A1 Phase correcting canalphone system and method | 
| 02/20/2014 | WO2014027605A1 Rubbing sound prevention hearing aid | 
| 02/20/2014 | WO2014026716A1 Apparatus for storing headphones or earphones | 
| 02/20/2014 | WO2014026394A1 Micro louderspeaker box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026393A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026367A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026366A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026363A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026361A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026360A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026359A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026357A1 Miniature sound box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026351A1 Micro louderspeaker box with telescopic resonance cavity | 
| 02/20/2014 | WO2014026318A1 Sound transducer acoustic back cavity system | 
| 02/20/2014 | US20140050350 Structure Having Acoustic Transducer Volume | 
| 02/20/2014 | US20140050349 Cable Organization Assemblies | 
| 02/20/2014 | US20140050348 Communication device having a microphone coupler | 
| 02/20/2014 | US20140050347 Water resistant holder with a speaker for electronic product | 
| 02/20/2014 | US20140050346 Electronic device | 
| 02/20/2014 | US20140050345 Microphone stand mounting brackets | 
| 02/20/2014 | US20140050344 Microphone stand mounting brackets | 
| 02/20/2014 | US20140050333 Data Processing Method And An Electronic Apparatus | 
| 02/20/2014 | US20140050330 Headset type detection and configuration techniques | 
| 02/20/2014 | US20140047676 Cord management system | 
| 02/20/2014 | DE102012107457A1 MEMS-Bauelement und Verfahren zur Herstellung MEMS device and methods for preparing | 
| 02/20/2014 | DE102012025313B3 Transducer for converting electrical signals into airborne sound, has frame that is formed by two frame elements, which are tightly connectable to each other, in frame plane | 
| 02/20/2014 | DE102012015496A1 In-Ohr-Kopfhörer In-Ear Headphones | 
| 02/20/2014 | CA2809809A1 Localization algorithm for conferencing | 
| 02/19/2014 | EP2699019A1 Digital speaker system | 
| 02/19/2014 | EP2699018A1 A vehicle comprising a loudspeaker having a sound guide opening into a head rest of the vehicle | 
| 02/19/2014 | EP2698970A1 Mobile phone employing bone conduction device | 
| 02/19/2014 | EP2697983A1 Hearing instrument | 
| 02/19/2014 | CN203446011U Horn for high-frequency loudspeaking unit and high-frequency loudspeaker formed thereby | 
| 02/19/2014 | CN203446010U Horn and high-frequency loudspeaker formed by horn | 
| 02/19/2014 | CN203446009U Multimedia sound box | 
| 02/19/2014 | CN203446008U Ear-hook retractable headset device | 
| 02/19/2014 | CN203446007U In-ear headphones | 
| 02/19/2014 | CN203446006U Novel earphone | 
| 02/19/2014 | CN203446005U Earplug sleeve of in-ear earphone | 
| 02/19/2014 | CN203446004U Diamond zipper earphone | 
| 02/19/2014 | CN203446003U Bluetooth earphone with anti-dial device | 
| 02/19/2014 | CN203446002U Sleep earphone | 
| 02/19/2014 | CN203446001U Earphone dustproof plug with earring function | 
| 02/19/2014 | CN203446000U Multifunctional digital earphone | 
| 02/19/2014 | CN203445999U Earphone with recording function | 
| 02/19/2014 | CN203445998U Bluetooth earphone apparatus | 
| 02/19/2014 | CN203445997U Microphone active noise reduction device | 
| 02/19/2014 | CN203445996U Regularly prompting microphone | 
| 02/19/2014 | CN203445995U Floor type microphone with wireless function | 
| 02/19/2014 | CN203445994U Full-frequency sound column stereo and subwoofer stereo audio connection bar, and stereo system | 
| 02/19/2014 | CN203445993U Portable mobile phone Bluetooth loudspeaker box | 
| 02/19/2014 | CN203445992U Combined acoustic system | 
| 02/19/2014 | CN203445991U Loudspeaker module | 
| 02/19/2014 | CN203445990U Miniature-loudspeaker basin-stand structure | 
| 02/19/2014 | CN203445989U Loudspeaker radiator | 
| 02/19/2014 | CN203436459U Health-care earmuff with function of Bluetooth | 
| 02/19/2014 | CN203436075U Colorful-LED luminous music cup | 
| 02/19/2014 | CN103597859A 阵列话筒装置和增益控制方法 Array microphone device and the gain control method | 
| 02/19/2014 | CN103597856A Hearing instrument | 
| 02/19/2014 | CN103597851A Innovative sound system | 
| 02/19/2014 | CN103597850A Loudspeaker | 
| 02/19/2014 | CN103597849A Water-resistant sound transmitting member | 
| 02/19/2014 | CN103597803A Mobile phone employing bone conduction device | 
| 02/19/2014 | CN103596104A Swinging pool sound box | 
| 02/19/2014 | CN103596103A Double-vibrating-diaphragm loudspeaker box | 
| 02/19/2014 | CN103596102A Device for regulating tone quality and terminal equipment | 
| 02/19/2014 | CN103596101A Low-shock environmental protection loudspeaker box | 
| 02/19/2014 | CN103596100A Combined-type induction loudspeaker box | 
| 02/19/2014 | CN103596099A Rotary earphone | 
| 02/19/2014 | CN103596098A Telescopic earphone cable | 
| 02/19/2014 | CN103596097A Headset | 
| 02/19/2014 | CN103596096A Manufacturing method for light-emitting earphone line and light-emitting earphone line | 
| 02/19/2014 | CN103596095A Earmuff assembling structure for headset | 
| 02/19/2014 | CN103596094A Air conduit earphone | 
| 02/19/2014 | CN103596093A Wireless headset | 
| 02/19/2014 | CN103596092A Earphone convenient to arrange | 
| 02/19/2014 | CN103596091A Headset with self playing system | 
| 02/19/2014 | CN103596090A Multifunctional Bluetooth headset and multifunctional Bluetooth system | 
| 02/19/2014 | CN103596089A Ball joint connection | 
| 02/19/2014 | CN103596088A Headset with pivotal parts | 
| 02/19/2014 | CN103596087A Earphone with headset and cable control device | 
| 02/19/2014 | CN103596086A Voice tube with displayer | 
| 02/19/2014 | CN103596085A Wireless microphone with loudspeaker function | 
| 02/19/2014 | CN103596084A Miniature sound box with telescopic resonance cavity | 
| 02/19/2014 | CN103596083A Miniature sound box with telescopic resonance cavity | 
| 02/19/2014 | CN103596082A Miniature sound box provided with telescopic resonance cavity | 
| 02/19/2014 | CN103596081A Miniature sound box provided with telescopic resonance cavity | 
| 02/19/2014 | CN103596080A Miniature sound box provided with telescopic resonance cavity | 
| 02/19/2014 | CN103596079A Miniature sound box provided with telescopic resonance cavity | 
| 02/19/2014 | CN103596078A Foldable solar sound box |