| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 02/10/2010 | CN201400137Y Taxi passenger carrying status indication card with digital recording function |
| 02/10/2010 | CN101646113A Telephone receiver structure of electronic device |
| 02/10/2010 | CN101646112A Vibration conduction microphone |
| 02/10/2010 | CN101646111A Loudspeaker mounting structure |
| 02/09/2010 | CA2568916C Audio tuning system |
| 02/09/2010 | CA2418026C Ear terminal with microphone in meatus, with filtering giving transmitted signals the characteristics of spoken sound |
| 02/04/2010 | WO2010014303A1 System and method for reducing baffle vibration |
| 02/04/2010 | WO2010013603A1 Microphone unit and cellular phone provided with same |
| 02/04/2010 | WO2010013602A1 Differential microphone |
| 02/04/2010 | WO2010013145A1 Speaker system with at least two codirectional channels |
| 02/04/2010 | US20100029344 Headsets |
| 02/04/2010 | US20100027832 Audio output control device, audio output control method, and program |
| 02/04/2010 | US20100027830 Chip-scaled mems microphone package |
| 02/04/2010 | US20100027829 Circuit arrangement for a sound reproducer with linearized sound transmission |
| 02/04/2010 | US20100027828 Loudspeaker slotted duct port |
| 02/04/2010 | US20100027827 Speaker system |
| 02/04/2010 | US20100027826 Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker |
| 02/04/2010 | US20100027818 Electronic device and electro-acoustic transducer thereof |
| 02/04/2010 | US20100027816 System and Method for Reducing Baffle Vibration |
| 02/04/2010 | US20100027815 Acoustic-Mechanical Vibrating |
| 02/04/2010 | US20100027807 Method and apparatus for adjusting audio volume to prevent hearing loss or damage |
| 02/04/2010 | DE102009024188A1 Türlautsprechergehäuse mit einteiliger Wassersperre und Kleinteilbefestigung Door speaker cabinet with one-piece water barrier and mounting hardware |
| 02/04/2010 | DE102008040775A1 Verkapselung, MEMS sowie Verfahren zum selektiven Verkapseln Encapsulation, MEMS and method for selectively encapsulate |
| 02/04/2010 | DE102008035587A1 Auditory speech set has microphone unit with housing, transducer capsule and capsule mounting bracket, where capsule mounting bracket has outer ring for hanging in housing, and inner ring is provided for accommodating transducer capsule |
| 02/04/2010 | CA2820199A1 Signal generation for binaural signals |
| 02/03/2010 | EP2149280A1 Diaphragm surround |
| 02/03/2010 | CN201398237Y Loudspeaker and sound box |
| 02/03/2010 | CN201398235Y Multi-cavity speaker |
| 02/03/2010 | CN201398234Y Sound box |
| 02/03/2010 | CN201398233Y Dual-purpose earphone |
| 02/03/2010 | CN201398232Y Decompression muffler |
| 02/03/2010 | CN201398231Y Earplug head of earphone |
| 02/03/2010 | CN201398230Y Device capable of preventing winding of earphone cord |
| 02/03/2010 | CN201398229Y Anti-release device of microphone connector lug |
| 02/03/2010 | CN101640828A Headphones |
| 02/03/2010 | CN101640827A Earphone wire collection device, earphone assembly and mobile terminal |
| 02/03/2010 | CN101640826A Modularized speaker device placed on computer disk rack |
| 02/03/2010 | CN100588285C Ultrasonic probe |
| 02/02/2010 | US7657224 Localized audio networks and associated digital accessories |
| 02/02/2010 | US7657052 Microphone system for vehicle |
| 02/02/2010 | US7657050 Platform for attachment to a sound system |
| 02/02/2010 | US7657048 Acoustical receiver housing for hearing aids |
| 02/02/2010 | US7657045 Low power signal transmission |
| 02/02/2010 | US7657043 Electro-optical device and electronic apparatus |
| 02/02/2010 | US7657039 Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same |
| 02/02/2010 | US7654362 Speaker and method of outputting acoustic sound |
| 01/28/2010 | WO2010011722A2 Loudspeaker slotted duct port |
| 01/28/2010 | WO2010011456A1 Sound producing system |
| 01/28/2010 | WO2010010624A1 Speaker unit damping bracket, fitting device and fitting structure |
| 01/28/2010 | WO2010010225A1 Nested compound loudspeaker drive unit |
| 01/28/2010 | US20100021000 Sound Producing System |
| 01/28/2010 | US20100020999 Speaker module of electronic device |
| 01/28/2010 | US20100020998 Headset wearing mode based operation |
| 01/28/2010 | US20100020982 Donned/doffed multimedia file playback control |
| 01/27/2010 | EP2147568A1 A method and an apparatus for damping a sonic signal |
| 01/27/2010 | EP2147567A1 Voice and position localization |
| 01/27/2010 | EP2146869A2 Device for holding an automobile loudspeaker and method for mounting a loudspeaker on such device |
| 01/27/2010 | EP1872619B1 Wind noise rejection apparatus |
| 01/27/2010 | CN201393300Y Silicon microphone with insulating partition |
| 01/27/2010 | CN201393299Y Double-faced double-purpose silicon microphone with capacitances arranged in L-shape |
| 01/27/2010 | CN201393298Y Silicon microphone with conducting leading-out structural frame |
| 01/27/2010 | CN201393296Y Novel headphone |
| 01/27/2010 | CN201393295Y Pen-shaped Blue Tooth headset |
| 01/27/2010 | CN201393294Y Mini sound box with damp |
| 01/27/2010 | CN201393293Y Low-sound enhancing type sound box |
| 01/27/2010 | CN201393292Y Low-frequency enhancing headphone |
| 01/27/2010 | CN201393291Y Headphone |
| 01/27/2010 | CN201393290Y Earcap type earphone without frame |
| 01/27/2010 | CN201393289Y Earphone structure |
| 01/27/2010 | CN201393278Y Portable device used for digital multimedia playing equipment |
| 01/27/2010 | CN201392658Y Multifunctional walkman suit |
| 01/27/2010 | CN201392657Y Music player |
| 01/27/2010 | CN201392577Y Earphone-type monitoring device based on wireless signal positioning and voiceprint authentication |
| 01/27/2010 | CN201392573Y Earphone type monitoring device |
| 01/27/2010 | CN101635871A Winding prevention earphone |
| 01/27/2010 | CN101635870A Loudspeaker module of portable electronic device |
| 01/27/2010 | CN100586229C Audio signal processing device and audio signal reproduction system |
| 01/27/2010 | CN100585726C MP3 attached panel player |
| 01/26/2010 | US7653208 Loudspeakers and systems |
| 01/26/2010 | US7653207 Bistable spreading head harness |
| 01/26/2010 | US7653206 Digital audio device |
| 01/26/2010 | US7653203 Vehicle audio system surround modes |
| 01/21/2010 | WO2010007825A1 Noise-canceling headphone |
| 01/21/2010 | WO2010007440A2 Earphone |
| 01/21/2010 | US20100014704 Spherical speaker |
| 01/21/2010 | US20100014703 Loudspeaker |
| 01/21/2010 | US20100014702 Resonating Cone Transducer |
| 01/21/2010 | US20100014700 Earpiece for communications |
| 01/21/2010 | US20100014697 Shaped Loudspeaker |
| 01/21/2010 | US20100014689 Systems and methods for intra-oral based communications |
| 01/21/2010 | US20100014241 Expansion Base |
| 01/21/2010 | CA2730900A1 Systems and methods for intra-oral based communications |
| 01/20/2010 | EP2146520A1 Speaker and electronic apparatus employing the same |
| 01/20/2010 | EP2145504A2 Active acoustic housing with multiple transducer distributed mode loudspeaker |
| 01/20/2010 | EP2145503A1 Headset with exchangeable speaker |
| 01/20/2010 | CN201388292Y Retractable tape-type ear canal type earphone |
| 01/20/2010 | CN201388291Y Earphone enclosure |
| 01/20/2010 | CN201388290Y Novel earphone |
| 01/20/2010 | CN201388289Y Microphone stand |
| 01/20/2010 | CN201388288Y Wireless microphone |