| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 03/20/2013 | CN101379870B Voice conference device |
| 03/20/2013 | CN101116372B Array speaker device |
| 03/19/2013 | US8401220 Piezoelectric micro speaker with curved lead wires and method of manufacturing the same |
| 03/19/2013 | US8401217 Extreme low frequency acoustic measurement system |
| 03/19/2013 | US8401216 Acoustic traveling wave tube system and method for forming and propagating acoustic waves |
| 03/19/2013 | US8401205 Noise canceling system and noise canceling method |
| 03/19/2013 | US8401200 Electronic device and headset with speaker seal evaluation capabilities |
| 03/19/2013 | US8397861 Diaphragm surround |
| 03/19/2013 | US8397860 Speaker enclosure |
| 03/19/2013 | CA2669482C An entertainment system for a vehicle |
| 03/15/2013 | DE202013000572U1 Vorrichtung zur Tonabnahme von Zithern mittels Mikrofonen, welche unter dem Instrument positioniert sind Apparatus for sound pick of zithers using microphones, which are positioned under the instrument |
| 03/14/2013 | WO2013036490A1 Low rise speaker assembly having a dual voice coil driver |
| 03/14/2013 | WO2013035596A1 Semiconductor device and microphone |
| 03/14/2013 | WO2013035340A1 Electronic apparatus |
| 03/14/2013 | WO2013033993A1 Incoming and outgoing structure of headphone cable, headphone cable take-up device and electronic equipment |
| 03/14/2013 | WO2013033949A1 Microphone electromagnetic shielding shell for hearing aid |
| 03/14/2013 | WO2013033946A1 Method and system for noise reduction, smart control method and device, and communication device |
| 03/14/2013 | WO2013011212A9 Integrated amplifying device for an acoustic guitar or equivalent instruments |
| 03/14/2013 | WO2012160542A3 Vibration isolation in a bone conduction device |
| 03/14/2013 | US20130066636 Apparatus and method for a wireless extension collar device for use with mobile and fixed end-user wireless devices |
| 03/14/2013 | US20130064414 Coaxial speaker system having a compression chamber |
| 03/14/2013 | US20130064413 Acoustic loudspeaker |
| 03/14/2013 | US20130064412 Ear phone listening device |
| 03/14/2013 | US20130064411 Listening aid device |
| 03/14/2013 | US20130064409 Narrow-angle directional microphone |
| 03/14/2013 | US20130064401 Transducer module |
| 03/14/2013 | US20130064400 Silicon microphone with integrated back side cavity |
| 03/14/2013 | US20130064390 Integrated microphone assembly for personal media device |
| 03/14/2013 | US20130064389 System and apparatus for modular on-demand audio processing, amplification and distribution |
| 03/14/2013 | US20130064388 System and apparatus for modular on-demand audio processing, amplification and distribution |
| 03/14/2013 | US20130064384 Control cord for headsets and auxiliary devices |
| 03/14/2013 | US20130062479 Holding device of cylindrical body and microphone holder |
| 03/14/2013 | DE102012216150A1 Mikroelektromechanisches System mit Biegeauslenkung der Rückplattenstruktur The micro-electro mechanical system with bending deflection of the backplate structure |
| 03/14/2013 | DE102011113431A1 Mikrofonverstärker Microphone Amplifier |
| 03/13/2013 | EP2568720A1 Vibration device and electronic device |
| 03/13/2013 | EP2568719A1 Wearable sound amplification apparatus for the hearing impaired |
| 03/13/2013 | EP2568718A2 Audio apparatus |
| 03/13/2013 | DE202013100923U1 Kabelloser Stereokopfhörersatz, Ladestation für kabellosen Stereokopfhörersatz und System aus diesen Wireless stereo headphone set, charging station for wireless stereo headphone set and system thereof |
| 03/13/2013 | CN202799085U Buffer of acoustic-electric conversion unit |
| 03/13/2013 | CN202799083U Volume-adjustable general earphone |
| 03/13/2013 | CN202799082U Audio processing device and sound equipment |
| 03/13/2013 | CN202799076U Waterproof earphone |
| 03/13/2013 | CN202799075U Mini-type sound device |
| 03/13/2013 | CN202799074U Wireless audio with lighting function |
| 03/13/2013 | CN202799073U Practical small sound box |
| 03/13/2013 | CN202799072U Bluetooth sound with line output port |
| 03/13/2013 | CN202799071U Multifunctional sound box |
| 03/13/2013 | CN202799070U Spiral earphone wire protection device |
| 03/13/2013 | CN202799069U Ear plug of in-ear headset |
| 03/13/2013 | CN202799068U Ear hook connecting structure of in-ear headset |
| 03/13/2013 | CN202799067U Ear hook of in-ear headset |
| 03/13/2013 | CN202799066U Earphone switch |
| 03/13/2013 | CN202799065U In-ear headset |
| 03/13/2013 | CN202799064U Cold-proof headset |
| 03/13/2013 | CN202799063U Customized in-ear headset with regular inner cavity |
| 03/13/2013 | CN202799062U Adjustable fastening headset |
| 03/13/2013 | CN202799061U Mobile Pentium 4 (MP4) earplug line with keys convenient to press |
| 03/13/2013 | CN202799060U Audio high-fidelity wireless headset |
| 03/13/2013 | CN202799059U Bluetooth earphones capable of charging mobile phone |
| 03/13/2013 | CN202799058U Bluetooth headset with ear hooks and convertible sound tracks |
| 03/13/2013 | CN202799057U Novel acoustical reproduction structure earphones |
| 03/13/2013 | CN202799056U Earphone hole dustproof plug |
| 03/13/2013 | CN202799055U Headset capable of changing accessories |
| 03/13/2013 | CN202799054U Rotating headset |
| 03/13/2013 | CN202799053U Earphone with function of vibratory massage |
| 03/13/2013 | CN202799052U Hand-free incoming call luminescence earphone |
| 03/13/2013 | CN202799051U Infrared emission and receiving earphone |
| 03/13/2013 | CN202799050U Multi-color earphone |
| 03/13/2013 | CN202799049U Bluetooth headset |
| 03/13/2013 | CN202799048U Threaded earphone plug and jack |
| 03/13/2013 | CN202799047U Earphone with 360-DEG rotatable microphone bar |
| 03/13/2013 | CN202799046U Zipper type compressible earphones for two persons |
| 03/13/2013 | CN202799045U Earplug type earphone |
| 03/13/2013 | CN202799044U Spherical microphone array voice acquiring device |
| 03/13/2013 | CN202799043U Window talkback transmitter with wireless talkback function |
| 03/13/2013 | CN202799042U Microphone |
| 03/13/2013 | CN202799041U Microphone |
| 03/13/2013 | CN202799040U Upright pole type microphone resetting mechanism |
| 03/13/2013 | CN202799039U Loudspeaker box support |
| 03/13/2013 | CN202799038U Miniature speaker shell of customized in-ear headset |
| 03/13/2013 | CN202799037U Sound box body and combination structure thereof |
| 03/13/2013 | CN202799036U Easy and passive speaker sound amplification device |
| 03/13/2013 | CN202799035U Absorbable fixing structure for speaker with built-in power supply |
| 03/13/2013 | CN202799034U Speaker module |
| 03/13/2013 | CN202799033U Speaker module |
| 03/13/2013 | CN202799032U Speaker module |
| 03/13/2013 | CN202799031U Speaker module |
| 03/13/2013 | CN202799030U Speaker module |
| 03/13/2013 | CN202799029U Sound box cover fixing clip reed |
| 03/13/2013 | CN202799028U Wireless audio equipment with illuminating function |
| 03/13/2013 | CN202799027U Loudspeaker module |
| 03/13/2013 | CN202799026U Microphone mounting bracket |
| 03/13/2013 | CN202799025U Simple sound equipment placing rack |
| 03/13/2013 | CN202799024U Novel dual-channel miniature separator structure |
| 03/13/2013 | CN202799023U Loudspeaker fixing structure and mobile terminal |
| 03/13/2013 | CN202799022U Speaker with spring |
| 03/13/2013 | CN202799021U Dust screen dedicated for sound equipment of all-in-one computer |
| 03/13/2013 | CN202798855U Microphone circuit module with reverberation and monitoring functions |
| 03/13/2013 | CN202798681U Automotive radio with built-in speaker |
| 03/13/2013 | CN202774780U Hairpin type Bluetooth |