| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 04/23/2014 | CN103747382A Electromagnetic shielding casing | 
| 04/23/2014 | CN103747381A A bone-conducting receiver with an improved driving structure | 
| 04/23/2014 | CN103747380A An improved receiver | 
| 04/23/2014 | CN103747379A A receiver with an improved guide rod structure | 
| 04/23/2014 | CN103747378A Magnetic driving mechanism and receiver | 
| 04/23/2014 | CN103747377A Bluetooth earphone | 
| 04/23/2014 | CN103747376A Voice controlled Bluetooth earphone, and automobile positioning and intelligent voice service platform and realization method | 
| 04/23/2014 | CN103747375A A method for automatically installing a wireless microphone | 
| 04/23/2014 | CN103747374A A receiver with an improved casing | 
| 04/23/2014 | CN103747373A Sound box with LED (light emitting diode) color light effect | 
| 04/23/2014 | CN103747372A Headphone with automatic switch function | 
| 04/23/2014 | CN103747195A Integrated liquid crystal display (LCD) television screen protection device with sound equipment | 
| 04/23/2014 | CN102265646B Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached | 
| 04/23/2014 | CN101981942B Microphone unit, voice input device of close-talking type, information processing system | 
| 04/23/2014 | CN101911721B Method for synthesizing a microphone signal | 
| 04/23/2014 | CN101854572B Earphone | 
| 04/23/2014 | CN101720558B Voice and position localization | 
| 04/22/2014 | US8705790 Speaker diaphragm, and speaker and handheld terminal device using said speaker diaphragm | 
| 04/22/2014 | US8705788 Speaker and method for fabricating same | 
| 04/22/2014 | US8705777 MEMS microphone and method of manufacturing the same | 
| 04/22/2014 | US8705776 Microphone package and method for manufacturing same | 
| 04/22/2014 | US8705761 Entertainment system and earphone | 
| 04/22/2014 | US8704360 Top port surface mount silicon condenser microphone package | 
| 04/17/2014 | WO2014058766A1 An acoustic device and method of manufacture | 
| 04/17/2014 | WO2014057509A1 Speaker | 
| 04/17/2014 | WO2014057249A1 A housing, a support, an assembly, and a method of manufacture | 
| 04/17/2014 | WO2014056448A1 Headphones and method of realizing vibrating headphones | 
| 04/17/2014 | US20140105445 Flat-panel speaker having a multilayer pcb pattern voice coil film | 
| 04/17/2014 | US20140105444 Loudspeaker | 
| 04/17/2014 | US20140105443 Reflective cords | 
| 04/17/2014 | US20140105442 Ergonomic earpiece and attachments | 
| 04/17/2014 | US20140105441 Interchangeable Attachable Extendable and Retractable Earpiece Cable Assembly for Mobile Communication and Sound Devices | 
| 04/17/2014 | US20140105440 Acoustic systems for electronic devices | 
| 04/17/2014 | US20140105439 Loudspeaker with improved thermal load capacity | 
| 04/17/2014 | US20140105437 Miniature speaker and speaker cabinet and hearing aid | 
| 04/17/2014 | US20140105431 Earpiece | 
| 04/17/2014 | US20140105430 Radiation-resistant earphone wire | 
| 04/17/2014 | US20140105427 Speaker device | 
| 04/17/2014 | US20140105426 Narrow profile speaker configurations and systems | 
| 04/17/2014 | US20140105414 Apparatus and Methods for Limiting Sound Volume in Headphones | 
| 04/17/2014 | DE102012218725A1 Mikroelektromechanisches Bauelement und Verfahren zur Herstellung eines mikroelektromechanischen Bauelementes The micro-electro-mechanical device and method for manufacturing a micro-electro-mechanical component | 
| 04/16/2014 | EP2720476A1 Apparatus and method for detecting insertion of headset into mobile station | 
| 04/16/2014 | EP2720475A1 Terminal equipment with built-in retractable headset | 
| 04/16/2014 | EP2719194A1 An audio speaker arrangement | 
| 04/16/2014 | EP2719193A2 Microphone actuator | 
| 04/16/2014 | CN203554675U Loudspeaking device | 
| 04/16/2014 | CN203554674U Linear array sound box with high quality sound effect | 
| 04/16/2014 | CN203554673U Device for rapidly interconnecting linear array sound boxes | 
| 04/16/2014 | CN203554672U Tweeter of linear array sound box | 
| 04/16/2014 | CN203554671U Loudspeaker array system for linear array sound box | 
| 04/16/2014 | CN203554670U All-in-one machine of lower configured sound box | 
| 04/16/2014 | CN203554669U Earphone front cavity with independent resonance cavity | 
| 04/16/2014 | CN203554668U Folded-conduit earphone front cavity | 
| 04/16/2014 | CN203554667U Novel earphone | 
| 04/16/2014 | CN203554666U Measuring tape type earphone | 
| 04/16/2014 | CN203554665U Luminous zipper earphone provided with selvages | 
| 04/16/2014 | CN203554664U Vehicle Bluetooth earphone with charger | 
| 04/16/2014 | CN203554663U Multifunctional earphone hook | 
| 04/16/2014 | CN203554662U Denoising antiskid earphone structure | 
| 04/16/2014 | CN203554661U Earphone | 
| 04/16/2014 | CN203554660U Digital voice control bone conduction headset | 
| 04/16/2014 | CN203554659U Line pressing earphone | 
| 04/16/2014 | CN203554658U Earphone cable storage box | 
| 04/16/2014 | CN203554657U Earphone microphone | 
| 04/16/2014 | CN203554656U Wireless earphone | 
| 04/16/2014 | CN203554655U Earphone cord retainer | 
| 04/16/2014 | CN203554654U Earphone headband and earphones using same | 
| 04/16/2014 | CN203554653U Wireless bluetooth earphone with microphone | 
| 04/16/2014 | CN203554652U Bluetooth earphone | 
| 04/16/2014 | CN203554651U Earphone receiving sleeve | 
| 04/16/2014 | CN203554650U Full-frequency 360-degree hearing-assisted music machine based on head nerve conduction | 
| 04/16/2014 | CN203554649U Denoising sound-insulation screen for microphone sound recording | 
| 04/16/2014 | CN203554648U Microphone used by SLR camera for photography | 
| 04/16/2014 | CN203554647U Chip | 
| 04/16/2014 | CN203554646U Microphone supporting device | 
| 04/16/2014 | CN203554645U Bracket sound equipment | 
| 04/16/2014 | CN203554644U Ceramic sound equipment housing | 
| 04/16/2014 | CN203554643U Front cover plate of plastic loudspeaker box | 
| 04/16/2014 | CN203554642U Serially-connected sound structure | 
| 04/16/2014 | CN203554641U Intelligently-controlled multifunctional water spraying loudspeaker box | 
| 04/16/2014 | CN203554640U Sound box structure capable of achieving accurate positioning | 
| 04/16/2014 | CN203554639U Casing and horn cooperation structure convenient for assembling and disassembling horn | 
| 04/16/2014 | CN203554638U Practicing waist earphone sound box connected with smart device through LINK port | 
| 04/16/2014 | CN203554637U Dustproof sound box | 
| 04/16/2014 | CN203554636U Multifunctional wireless sound box | 
| 04/16/2014 | CN203554635U Laser-welded loudspeaker shell | 
| 04/16/2014 | CN203554634U Mechanical horn plating resistive film insulating strip | 
| 04/16/2014 | CN203552125U Computer headphone hook with line concentration function | 
| 04/16/2014 | CN203551883U Intelligent audio and video glasses based on voice control | 
| 04/16/2014 | CN203549314U Bluetooth revolving stand | 
| 04/16/2014 | CN103733646A Piezoelectric vibration device and mobile terminal using same | 
| 04/16/2014 | CN103733643A Headphones with optimized radiation of sound | 
| 04/16/2014 | CN103733641A Headphone speaker sanitary cover for preventing contamination and infectious diseases due to sebum and sweat | 
| 04/16/2014 | CN103733640A Earpiece passive noise attenuating | 
| 04/16/2014 | CN103733639A Wiper seal for passive radiator | 
| 04/16/2014 | CN103731775A Difference magnetizing mechanism | 
| 04/16/2014 | CN103731774A Method for interference prevention of bluetooth headset antenna and bluetooth headset | 
| 04/16/2014 | CN103731773A Flux leakage prevention electromagnetic shielding shell and closing method | 
| 04/16/2014 | CN103731772A Earphone | 
| 04/16/2014 | CN103731771A Corrosion-resistant telephone receiver |