| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 02/07/2008 | US20080031472 Electroacoustical transducing |
| 02/07/2008 | DE112006000709T5 Multimedia-Lautsprecherprodukt Multimedia speaker products |
| 02/07/2008 | DE102006036479A1 Planting pot-arrangement for use in house, has upper pot, and insertion pot for admission of plant and for insertion into upper pot, where loudspeaker is arranged underneath insertion pot |
| 02/06/2008 | EP1885155A1 Portable electronic apparatus with microphones |
| 02/06/2008 | CN201018663Y Bone conduction multi-channel device |
| 02/06/2008 | CN201018653Y Portable microphone deafener |
| 02/06/2008 | CN201018652Y Sound cavity |
| 02/06/2008 | CN201018651Y Piezoelectric earphone equipped with audio output electrode control device |
| 02/06/2008 | CN201018650Y Unversal earplug |
| 02/06/2008 | CN201018649Y Earphone with extended function |
| 02/06/2008 | CN201018648Y Stereophone |
| 02/06/2008 | CN201018647Y Earphone capable of playing audio files |
| 02/06/2008 | CN201018646Y Noise prevention earplug device |
| 02/06/2008 | CN201018645Y Bluetooth earphone and suspension line structure |
| 02/06/2008 | CN201018644Y Sound wave reflection type anti-hearing impairment earphone |
| 02/06/2008 | CN201018643Y Computer earphone with spectacles lens |
| 02/06/2008 | CN201018642Y Ear-hanging microphone |
| 02/06/2008 | CN201018641Y Telescopic type desk type microphone |
| 02/06/2008 | CN201018640Y Multi-function singing inflexion microphone |
| 02/06/2008 | CN201018639Y Surface sticked microphone |
| 02/06/2008 | CN201018638Y Microphone bracket |
| 02/06/2008 | CN201018637Y Multifunctional mobile acoustics |
| 02/06/2008 | CN201018636Y Single box type 2.1 tone channel sound box |
| 02/06/2008 | CN201018635Y Panel push-button type microphone |
| 02/06/2008 | CN201018497Y Earphone for mobile phone |
| 02/06/2008 | CN201018475Y Listening device |
| 02/06/2008 | CN101120625A Loudspeaker with an integrated woofer frame and baffle component |
| 02/06/2008 | CN101120613A Headset for blocking noise |
| 02/06/2008 | CN101118176A Passive optical fiber grating submarine sound signal sensor and making method thereof |
| 02/06/2008 | CN100367825C Speaker port system for reducing boundary layer separation |
| 02/05/2008 | US7327852 Method and device for separating acoustic signals |
| 02/05/2008 | US7327850 Supplying electrical power |
| 02/05/2008 | US7327226 Vehicle rearview mirror assembly incorporating a communication system |
| 02/05/2008 | US7325649 Loudspeaker with progressively damped acoustical chamber |
| 02/05/2008 | US7325648 Frame for speaker device and speaker device |
| 02/05/2008 | CA2472177C Wideband low-noise implantable microphone assembly |
| 01/31/2008 | WO2008014416A2 Apparatus comprising a directionality-enhanced acoustic sensor |
| 01/31/2008 | WO2008014324A2 Multiple microphone system |
| 01/31/2008 | WO2008013973A2 Portable cooler and audio console |
| 01/31/2008 | WO2008013487A1 Ear cup |
| 01/31/2008 | WO2008013003A1 Automatic violin |
| 01/31/2008 | WO2008012882A1 Voice output device and sound apparatus containing device |
| 01/31/2008 | WO2008012401A1 Self-supporting in-ear headphone, particularly independent in-ear headphone for mobile telephone |
| 01/31/2008 | WO2008011719A1 Headphone improvements |
| 01/31/2008 | WO2008011717A1 Multi-hop network topology system and method |
| 01/31/2008 | WO2007141572A3 Earpiece and method for securing a device within the ear |
| 01/31/2008 | US20080025552 Magnetic circuit for speaker device and speaker device |
| 01/31/2008 | US20080025549 Methods and apparatus for providing a heat sink for a loudspeaker |
| 01/31/2008 | US20080025548 Audio Information Support System |
| 01/31/2008 | US20080025547 Speaker device for mobile terminal |
| 01/31/2008 | US20080025546 Dual microphone assembly for mask |
| 01/31/2008 | US20080025544 Portable cooler and audio console |
| 01/31/2008 | US20080025542 Mobile apparatus including speaker in sealed sound space, and method of assembling the mobile apparatus |
| 01/31/2008 | US20080025525 Method for controlling volume of earphone |
| 01/31/2008 | US20080025523 System and method for noise canceling in a mobile phone headset accessory |
| 01/31/2008 | US20080025518 Sound Image Localization Control Apparatus |
| 01/31/2008 | US20080023261 Noise Proof Structure of Cabin |
| 01/31/2008 | US20080023259 Speaker edge and resonator panel assembly |
| 01/31/2008 | DE10361041B4 Verfahren zum Verbessern der Tonqualität eines Lautsprechers in einem Fahrzeug durch Steuern des Lautsprecherwinkels A method for improving the sound quality of a speaker in a vehicle by controlling the speaker angle |
| 01/31/2008 | DE102006058736B3 Waterproof loudspeaker has housing and sound-delivering diaphragm, where sound-delivering diaphragm is bending-resistant diaphragm connected with exciter |
| 01/31/2008 | DE102006042208B3 Ohrstöpselartiger Ohrhörer mit regulierbarer Schallöffnung auf dem Gehäuse hinter dem Lautsprecher Earplugs Grand earphones with adjustable sound port on the housing behind the speaker |
| 01/31/2008 | DE102006035574A1 Loudspeaker light for illuminating e.g. foyer, has light radiations reflected at diaphragm of loudspeaker before passing via opening that is covered with transparent or non-transparent cover for sound waves and light radiations |
| 01/31/2008 | CA2658444A1 Headphone improvements |
| 01/31/2008 | CA2654715A1 Ear cup |
| 01/30/2008 | EP1883268A2 Speaker device for mobile terminal |
| 01/30/2008 | EP1374634B1 Headset with adjustable microphone boom |
| 01/30/2008 | CN201015230Y Loudspeaking device |
| 01/30/2008 | CN201015227Y Loudspeaker type audio vibrator device |
| 01/30/2008 | CN201015226Y Flat series magnetic circuit type audio vibrator device |
| 01/30/2008 | CN201015225Y Audio vibrator device |
| 01/30/2008 | CN201015224Y Preposition sound box with postposition sound effect |
| 01/30/2008 | CN201015223Y Microphone loudspeaking isolation cover |
| 01/30/2008 | CN201015222Y Earmuff music player |
| 01/30/2008 | CN201015221Y Audio device for individual |
| 01/30/2008 | CN201015220Y Acoustic device with rotatable sounding element |
| 01/30/2008 | CN201015219Y Universal audio interface transmitting/receiving device with multi-head earphone |
| 01/30/2008 | CN201015218Y Mainboard structure with double earphone interface |
| 01/30/2008 | CN201015217Y Integrated sound box combined with preposition and postposition sound effect |
| 01/30/2008 | CN101116372A Array speaker device |
| 01/30/2008 | CN101116371A Headset with flashing light emitting diodes |
| 01/30/2008 | CN101115323A Acoustic wave bundle radiator |
| 01/30/2008 | CN101115322A Electronic device with external connection microphone to change radio-receiving mode and radio-receiving method |
| 01/30/2008 | CN101115321A Mobile apparatus including sealed speaker |
| 01/30/2008 | CN101115320A Speaker device for mobile terminal |
| 01/30/2008 | CN101115319A Vehicle-mounted loudspeaker |
| 01/30/2008 | CN101115318A Acoustic apparatus and headphone |
| 01/30/2008 | CN101115317A Earphone impedance adjustable earphone |
| 01/30/2008 | CN101114183A Loudspeaker box fixed structure |
| 01/30/2008 | CN100365465C Digital-camera-provided binoculars |
| 01/29/2008 | US7324659 Speaker and method of manufacturing the same |
| 01/29/2008 | US7324657 Speaker apparatus |
| 01/29/2008 | US7324656 Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portion |
| 01/29/2008 | US7324655 Electroacoustic transducer |
| 01/29/2008 | US7324654 Arbitrary coverage angle sound integrator |
| 01/29/2008 | CA2489113C Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response |
| 01/29/2008 | CA2453048C Method for broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle |
| 01/24/2008 | WO2008011435A2 High fidelity loudspeaker |
| 01/24/2008 | WO2008011277A2 Microphone array in housing receiving sound via guide tube |
| 01/24/2008 | WO2008010255A2 Stands for speakers which have an absorption system for the vibrations induced by the speakers or by environmental interferences |
| 01/24/2008 | WO2008010138A2 Loudspeaker system and loudspeaker having a tweeter array |