| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/08/2014 | CN203387656U Modularized microphone emitter for musical instrument |
| 01/08/2014 | CN203387655U Loudspeaker module group |
| 01/08/2014 | CN203387654U Television pedestal sound equipment having passive units |
| 01/08/2014 | CN203387653U Novel multi-screen interaction sound box with HDMI output interface |
| 01/08/2014 | CN203387652U Earphone with air leakage flexible valve |
| 01/08/2014 | CN203387651U Automatic contraction device for earphone cable |
| 01/08/2014 | CN203387650U Novel audio sharing device |
| 01/08/2014 | CN203387649U Earphone with winder |
| 01/08/2014 | CN203387648U Improved line control device |
| 01/08/2014 | CN203387647U Ultrathin receiver |
| 01/08/2014 | CN203387646U Tuning earphone |
| 01/08/2014 | CN203387645U Automatic switching mechanism of earphone play mode and earphone |
| 01/08/2014 | CN203387644U Earphone and earphone control assembly |
| 01/08/2014 | CN203387643U Earphone and music playing control component |
| 01/08/2014 | CN203387642U Insertable earphone |
| 01/08/2014 | CN203387641U Device for preserving telephone receiver or earphone |
| 01/08/2014 | CN203387640U Pluggable nameplate speaking microphone |
| 01/08/2014 | CN203387639U Loudspeaker module assembly |
| 01/08/2014 | CN203387638U Novel loudspeaker box |
| 01/08/2014 | CN203387637U 音箱 Speaker |
| 01/08/2014 | CN203387636U Sound box |
| 01/08/2014 | CN203387635U 组合式音箱 Combined Speaker |
| 01/08/2014 | CN203387634U Hidden-type sound box |
| 01/08/2014 | CN203387633U Sound device |
| 01/08/2014 | CN203387546U Mobile phone having characteristics of high quality and heavy bass |
| 01/08/2014 | CN103503478A Method for determining an impedance of an electroacoustic transducer and for operating an audio playback device |
| 01/08/2014 | CN103503477A Rejecting noise with paired microphones |
| 01/08/2014 | CN103503476A Packaging of acoustic volume increasing materials for loudspeaker devices |
| 01/08/2014 | CN103503475A Portable loudspeaker |
| 01/08/2014 | CN103503474A Twin-driver earphone |
| 01/08/2014 | CN103503473A Loudspeaker with port comprising a particle filter |
| 01/08/2014 | CN103503472A Speaker system, electronic apparatus using same, and mobile body device |
| 01/08/2014 | CN103503471A Bone conduction device including a balanced electromagnetic actuator having radial and axial air gaps |
| 01/08/2014 | CN103502840A Ultrasonic sensor |
| 01/08/2014 | CN103501477A Loudspeaker system |
| 01/08/2014 | CN103501476A U-shaped earphone |
| 01/08/2014 | CN103501475A Anti-entangling earphone |
| 01/08/2014 | CN103501474A Luminous zipper earphone provided with selvages |
| 01/08/2014 | CN103501473A Multifunctional earphone based on MEMS (Micro-electromechanical System) sensor and control method of multifunctional earphone |
| 01/08/2014 | CN103501450A Set-top box and connection method for IR (Infrared) end |
| 01/08/2014 | CN103501363A Novel mobile phone |
| 01/08/2014 | CN102136267B Improved instrument resonance loudspeaker box structure |
| 01/08/2014 | CN102006528B 耳机装置 Earphone device |
| 01/08/2014 | CN101478076B Antenna component, loudspeaker and portable electronic device |
| 01/07/2014 | US8625835 Apparel with built-in headphone extension wire device |
| 01/07/2014 | US8625827 One-size-fits-most hearing aid |
| 01/07/2014 | US8625815 Vehicular rearview mirror system |
| 01/07/2014 | US8625814 Earphone antenna of a portable terminal |
| 01/07/2014 | US8625809 Switchable attenuation circuit for MEMS microphone systems |
| 01/07/2014 | US8624387 Top port multi-part surface mount silicon condenser microphone package |
| 01/07/2014 | US8624386 Bottom port multi-part surface mount silicon condenser microphone package |
| 01/07/2014 | US8624385 Top port surface mount silicon condenser microphone package |
| 01/07/2014 | US8624384 Bottom port surface mount silicon condenser microphone package |
| 01/07/2014 | US8622973 Simulated medicament delivery device configured to produce an audible output |
| 01/03/2014 | WO2014004617A1 Loudspeaker having an acoustic filter |
| 01/03/2014 | WO2014004569A1 Headphone assembly with integral guitar amplifier |
| 01/03/2014 | WO2014003160A1 Stereo earphone |
| 01/03/2014 | WO2014003148A1 Electronic device, control method, and control program |
| 01/03/2014 | WO2014002640A1 Audio/video device |
| 01/03/2014 | WO2014002156A1 Mounting structure for electroacoustic transducer and electronic apparatus to which electroacoustic transducer has been mounted |
| 01/03/2014 | WO2014000556A1 Earphone interface circuit and electronic equipment |
| 01/02/2014 | US20140003647 Magnetic sound box device |
| 01/02/2014 | US20140003646 Headset device with fitting memory |
| 01/02/2014 | US20140003645 Acoustic filter |
| 01/02/2014 | US20140003642 Earpiece for an electronic device |
| 01/02/2014 | US20140003632 Microphone arrangement |
| 01/02/2014 | US20140003624 Acoustic element |
| 01/02/2014 | US20140003620 Devices and methods for conveying audio information in vehicles |
| 01/02/2014 | US20140003616 Headset Impedance Detection |
| 01/02/2014 | DE102012211011A1 Akustischer Sensor mit einer Membran aus einem Faserverbundwerkstoff An acoustic sensor with a membrane made of a fiber composite material |
| 01/01/2014 | EP2680607A1 A headset device with fitting memory |
| 01/01/2014 | EP2680548A1 Method and apparatus for reducing noise in voices in mobile terminals |
| 01/01/2014 | EP2680023A1 Approaching vehicle detection device and approaching vehicle detection method |
| 01/01/2014 | EP2679024A1 A transducer apparatus with a tension actuator |
| 01/01/2014 | EP2679023A1 A transducer apparatus |
| 01/01/2014 | EP2679020A1 Sealant mold fixture for a domed cap |
| 01/01/2014 | EP2679019A1 A magnetic shielding apparatus |
| 01/01/2014 | CN203378022U A vehicle-mounted wireless audio frequency transmission active subwoofer |
| 01/01/2014 | CN203378021U Object placing seat possessing horn |
| 01/01/2014 | CN203378020U Audio source device charging stereo |
| 01/01/2014 | CN203378019U Earphone wire capable of fixing a dustproof plug |
| 01/01/2014 | CN203378018U Intelligent glasses with double-channel bone conduction device |
| 01/01/2014 | CN203378017U Earphone loudspeaker |
| 01/01/2014 | CN203378016U Environment-friendly headset |
| 01/01/2014 | CN203378015U A double-frequency coaxial headset |
| 01/01/2014 | CN203378014U Vehicle-mounted communication privacy-strengthening wireless headset system |
| 01/01/2014 | CN203378013U Double-connection earphone |
| 01/01/2014 | CN203378012U Earphone |
| 01/01/2014 | CN203378011U Earplug type earphone |
| 01/01/2014 | CN203378010U Earplug improvement structure |
| 01/01/2014 | CN203378009U Wireless earphone |
| 01/01/2014 | CN203378008U Overtime automatic-control earphone |
| 01/01/2014 | CN203378007U Interference-free sound amplification reading aid |
| 01/01/2014 | CN203378006U Interference-free sound transmission reading aid |
| 01/01/2014 | CN203378005U A novel interview apparatus |
| 01/01/2014 | CN203378004U Microphone support |
| 01/01/2014 | CN203378003U Wireless Bluetooth ceiling horn |
| 01/01/2014 | CN203378002U Ceiling lamp type stainless steel loudspeaker box |
| 01/01/2014 | CN203378001U Loudspeaker gasket fixing clamp |
| 01/01/2014 | CN203378000U Novel sound box |