| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 04/08/2009 | CN201219302Y Anti-winding headphone |
| 04/08/2009 | CN201219301Y Multimedia horn apparatus with cooling function |
| 04/08/2009 | CN201216206Y Multifunctional helmet |
| 04/08/2009 | CN101406067A Speaker device and television receiver using the speaker device |
| 04/08/2009 | CN101404512A Movable Bluetooth loudspeaker |
| 04/08/2009 | CN100477705C Audio enhancement system, system equipped with the system and distortion signal enhancement method |
| 04/08/2009 | CN100476984C Inputting devices |
| 04/08/2009 | CN100475072C Support device |
| 04/07/2009 | USRE40696 High fidelity insert earphones and methods of making same |
| 04/07/2009 | US7515729 Speaker device |
| 04/07/2009 | US7515727 Speaker device and method of manufacturing the speaker device |
| 04/07/2009 | US7515723 Electro-acoustic converter with demountable diaphragm and voice coil assembly |
| 04/07/2009 | US7515721 Self-descriptive microphone array |
| 04/07/2009 | US7515719 Method and apparatus to create a sound field |
| 04/07/2009 | US7513981 Manufacturing apparatus of semiconductor device |
| 04/07/2009 | US7513332 Convertible folded horn enclosure with improved compactness |
| 04/07/2009 | CA2393094C Sound source locating system |
| 04/02/2009 | WO2009042635A1 In-ear digital electronic noise cancelling and communication device |
| 04/02/2009 | WO2009041012A1 Noise control system |
| 04/02/2009 | WO2009040832A1 Device sanitizer |
| 04/02/2009 | WO2009039852A1 An isobaric sound emitting system |
| 04/02/2009 | WO2009039631A1 Carrier chip with cavity |
| 04/02/2009 | US20090087011 Portable terminal with built-in antenna |
| 04/02/2009 | US20090087010 Carrier chip with cavity |
| 04/02/2009 | US20090087008 Sound Reproduction With Improved Low Frequency Characteristics |
| 04/02/2009 | US20090087007 Belly pouch speaker system |
| 04/02/2009 | US20090087001 Decorative loudspeaker grille |
| 04/02/2009 | US20090086991 Headset |
| 04/02/2009 | DE202009000828U1 Mikrofonhalter Microphone Holder |
| 04/02/2009 | DE202008016442U1 Headset Headset |
| 04/02/2009 | DE102008021500A1 Lautsprecher Speaker |
| 04/01/2009 | EP2043390A1 Loudspeaker system |
| 04/01/2009 | EP2043382A1 Sound system |
| 04/01/2009 | EP2043381A2 A method and a system to adjust the acoustical performance of a loudspeaker |
| 04/01/2009 | EP1600035B1 Sound beam loudspeaker system |
| 04/01/2009 | CN201216012Y Automatic switch type earphone |
| 04/01/2009 | CN201216011Y Microphone capable of tracking sound |
| 04/01/2009 | CN201216010Y Microphone with echo eliminating function equipped with USB sound card and loudspeaker |
| 04/01/2009 | CN201216009Y Loudspeaker box |
| 04/01/2009 | CN201216008Y Fixing sleeve for microphone |
| 04/01/2009 | CN201216007Y Panel rotation construction for loudspeaker box |
| 04/01/2009 | CN201215857Y Earphone socket |
| 04/01/2009 | CN101401453A Speaker and electronic equipment utilizing the same |
| 04/01/2009 | CN101401450A Sound collection/reproduction method and device |
| 04/01/2009 | CN101401449A Monitor transducer system and manufacturing method thereof |
| 04/01/2009 | CN101401448A Sound generating apparatus |
| 04/01/2009 | CN101401447A Structure for installing bone conduction device on eyeglasses |
| 04/01/2009 | CN101400007A Active noise eliminating earphone and noise eliminating method thereof |
| 04/01/2009 | CN101400006A Line-doffing-proof earphone |
| 04/01/2009 | CN100474942C Transducer |
| 04/01/2009 | CN100474233C Input device |
| 03/31/2009 | US7512414 Wireless interactive headset |
| 03/31/2009 | US7510627 Acoustic paper diaphragm and acoustic transducer apparatus |
| 03/31/2009 | US7510049 Acoustic transformer and method for transforming sound waves |
| 03/31/2009 | US7510047 Speaker edge and resonator panel assembly |
| 03/31/2009 | US7509878 Ultrasonic cavitating apparatus and ultrasonic doppler flow measurement system |
| 03/26/2009 | WO2009039033A1 Crimping tinsel leads |
| 03/26/2009 | WO2009038999A1 Annular pressure monitoring during hydraulic fracturing |
| 03/26/2009 | WO2009037985A1 Sound emission/collection device |
| 03/26/2009 | WO2009036648A1 Loudspeaker and alarm with luminous element |
| 03/26/2009 | US20090080687 Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same |
| 03/26/2009 | US20090080684 Expandable speaker assemblies for portable media devices |
| 03/26/2009 | US20090080681 Electronic device |
| 03/26/2009 | US20090080678 Speaker device of mobile communication terminal for outputting high quality sound |
| 03/26/2009 | DE102007042592A1 Übertragungseinrichtung für eine Hörvorrichtung mit Folienleiterschirmung und eigengeschirmte Spule Transmission device for a hearing apparatus with Folienleiterschirmung and eigengeschirmte coil |
| 03/26/2009 | CA2735832A1 A loudspeaker and an alarm with a luminous element |
| 03/25/2009 | EP2040490A2 Method and apparatus for a hearing assistance device using mems sensors |
| 03/25/2009 | EP2040489A2 Hearing aid with operating elements with different bearings |
| 03/25/2009 | EP2040485A1 Discharging/collecting voice device and control method for discharging/collecting voice device |
| 03/25/2009 | EP2040484A2 Speaker device of mobile communication terminal |
| 03/25/2009 | EP2040483A2 Ported loudspeaker enclosure with tapered waveguide absorber |
| 03/25/2009 | EP2040482A1 Fixing device with a light source for a hearing aid and corresponding hearing aid |
| 03/25/2009 | EP2039213A1 High frequency diaphragm and voice coil assembly |
| 03/25/2009 | EP2039131A1 Mobile radio terminal having speaker port selection and method |
| 03/25/2009 | EP1949370A4 A system and method for providing environmental specific noise reduction algorithms |
| 03/25/2009 | EP1709832A4 Speaker with externally-mounted acoustic extension |
| 03/25/2009 | EP1495655A4 Sound reproduction employing unity summation aperture loudspeakers |
| 03/25/2009 | EP1332643A4 An electret condenser microphone |
| 03/25/2009 | EP1330940A4 Directional microphone assembly |
| 03/25/2009 | CN201213313Y In-ear surround stereo earphone |
| 03/25/2009 | CN201213312Y Processing circuit and device for improving performance of acoustic apparatus |
| 03/25/2009 | CN201213311Y Wire restoring device |
| 03/25/2009 | CN201213310Y Earphone plug |
| 03/25/2009 | CN201213309Y Microphone having infrared cursor |
| 03/25/2009 | CN201213308Y Dual microphone having infrared cursor |
| 03/25/2009 | CN201213307Y Dust preventing horn |
| 03/25/2009 | CN201211055Y Sound-production inflatable pillow |
| 03/25/2009 | CN101395958A Method of detecting and deterring microphone sabotage |
| 03/25/2009 | CN101395955A Mounting method and holder for smd microphone |
| 03/25/2009 | CN101394681A Split type electronic device |
| 03/25/2009 | CN100472832C Radial power MHz ultrasound transducer |
| 03/24/2009 | US7508953 Loudspeaker and components for use in construction thereof |
| 03/24/2009 | US7508952 Acoustic sound routing in vehicles |
| 03/24/2009 | US7508933 Resonance chamber of a cellular phone |
| 03/24/2009 | US7508411 Personal communications device |
| 03/24/2009 | US7508115 Horn, horn unit, and bonding apparatus using same |
| 03/24/2009 | US7506721 Convertible folded horn enclosure |
| 03/19/2009 | WO2009035547A2 Compositions and related methods for modulating alkaloid production by controlling pmt promoter activation mediated by transcriptional factors erf and myc |
| 03/19/2009 | WO2009035546A2 Compositions and related methods for modulating transcriptional activation |
| 03/19/2009 | WO2009034920A1 Stopper structure of multi-functional vibration actuator |