| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/15/2009 | US20090016563 Micro-speaker |
| 01/15/2009 | US20090016560 Spring reverberator and assembling method thereof |
| 01/15/2009 | US20090016559 Telecommunication and electronic devices holding apparatus and methods |
| 01/15/2009 | US20090016557 Surface micromachined differential microphone |
| 01/15/2009 | US20090016556 Sound systems for model railroad locomotives |
| 01/15/2009 | US20090016555 Steerable acoustic waveguide |
| 01/15/2009 | DE102007032856A1 In-the-ear loudspeaker system for communication of umpire during gymkhana, has radio receiving part and microphones and/or internal acoustic sources, where system is controlled by corresponding radio transmitting part over base station |
| 01/14/2009 | EP2015603A1 Wireless hearing system and method |
| 01/14/2009 | CN201182003Y Acoustic antenna for radar |
| 01/14/2009 | CN201182002Y General purpose type bamboo wood earplug |
| 01/14/2009 | CN201182001Y 蓝牙耳机 Bluetooth headset |
| 01/14/2009 | CN201182000Y Single ear-suspension head-wearing type microphone |
| 01/14/2009 | CN201178847Y Sliding type rocking chair with music play apparatus |
| 01/14/2009 | CN101347041A Manufacturing method of speaker |
| 01/14/2009 | CN101347040A Manufacturing method of speaker |
| 01/14/2009 | CN101347039A Speaker device |
| 01/14/2009 | CN101346010A Pressure reduction type headphone |
| 01/14/2009 | CN100452802C Portable communication machine and microphone device for same machine |
| 01/13/2009 | US7477755 Speaker system |
| 01/13/2009 | US7477752 Loudspeaker system |
| 01/08/2009 | WO2009006004A1 Microphone array for a camera speakerphone |
| 01/08/2009 | WO2009004983A1 Loudspeaker apparatus |
| 01/08/2009 | WO2009004401A1 Headset with on-ear detection |
| 01/08/2009 | WO2009004352A1 Sound reproduction systems |
| 01/08/2009 | WO2008113822A3 Headset |
| 01/08/2009 | US20090010479 Portable electronic device with movable speaker device |
| 01/08/2009 | US20090010478 Loudspeaker device and display assembly having the same |
| 01/08/2009 | US20090010477 Lighting and sound reproduction |
| 01/08/2009 | US20090010475 System and method for securing headphone transducers |
| 01/08/2009 | US20090010473 Hearing apparatus with low-interference receiver control and corresponding method |
| 01/08/2009 | US20090010471 Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same |
| 01/08/2009 | US20090010470 Resonating Speaker |
| 01/08/2009 | US20090010469 Low Profile loudspeaker |
| 01/08/2009 | US20090010468 Actuation of floor systems using mechanical and electro-active polymer transducers |
| 01/08/2009 | US20090010455 Speaker array apparatus |
| 01/07/2009 | EP2012554A1 Portable device for wireless telephone communication, such as an earpiece equipped with an articulated sound reproduction element |
| 01/07/2009 | EP2012504A1 Portable device for wireless telephone communication, such as an earpiece equipped with a retractable connector |
| 01/07/2009 | EP2011367A2 Method and system for bone conduction sound propagation |
| 01/07/2009 | EP2011366A1 Sound pickup device and voice conference apparatus |
| 01/07/2009 | EP2011365A1 Phase plug |
| 01/07/2009 | EP2011364A2 Headset with integral hook |
| 01/07/2009 | EP1897404A4 A speaker apparatus in a wireless communication device |
| 01/07/2009 | EP1672955B1 Speaker attaching construction and speaker |
| 01/07/2009 | EP1322268B1 Ear terminal for noise control |
| 01/07/2009 | CN201178491Y Micro loudspeaker apparatus integrating filter circuit and power regulation circuit |
| 01/07/2009 | CN201178490Y Micro loudspeaker apparatus |
| 01/07/2009 | CN201178489Y Outlay earphone of mobile phone |
| 01/07/2009 | CN201178488Y Shoulder hanging earphone |
| 01/07/2009 | CN201178487Y Earphone having loudspeaker box |
| 01/07/2009 | CN201178486Y Earphone |
| 01/07/2009 | CN201178485Y Anti-dropping earphone |
| 01/07/2009 | CN201178484Y Earphone plug having steel mesh |
| 01/07/2009 | CN201178483Y Electrical wire reorganizing sleeve |
| 01/07/2009 | CN201178463Y Detachable loudspeaker box of television set |
| 01/07/2009 | CN101340737A Headphones |
| 01/06/2009 | US7474754 Method for canceling unwanted loudspeaker signals |
| 01/06/2009 | CA2517448C Loudspeaker |
| 01/02/2009 | DE102007029560A1 Membrananordnung für einen Air-Motion-Transformer (AMT) und Schallwandler mit einer solchen Membrananordnung Membrane assembly for an Air Motion Transformer (AMT) and transducer with such a membrane assembly |
| 01/01/2009 | US20090005110 Using a conductive support of a speaker assembly as an antenna |
| 01/01/2009 | US20090003643 Aquatic Loudspeaker Having a Diaphragm |
| 01/01/2009 | US20090003642 Electronic slave speaker |
| 01/01/2009 | US20090003639 Electroacoustic waveguide transducing |
| 01/01/2009 | US20090003633 Filter Element |
| 01/01/2009 | US20090003631 Condenser Microphone |
| 01/01/2009 | US20090003630 Electronic Device and Acoustic Playback Method |
| 01/01/2009 | US20090003618 Headphone driver/charge pump combination |
| 01/01/2009 | US20090003616 Headphoning |
| 01/01/2009 | US20090002476 Microphone array for a camera speakerphone |
| 01/01/2009 | US20090002346 Electronic Pen |
| 01/01/2009 | US20090000353 Increasing Gas Gauge Pressure Sensitivity Using Nozzle-Face Surface Roughness |
| 12/31/2008 | WO2009003156A1 Speaker assembly |
| 12/31/2008 | WO2009002346A1 System, method and apparatus for adjusting an output of a transducer |
| 12/31/2008 | WO2009001449A1 Listening device |
| 12/31/2008 | WO2009000648A1 Contact-making system |
| 12/31/2008 | WO2009000519A1 Diaphragm arrangement for an air motion transformer (amt), and sound converter comprising such a diaphragm arrangement |
| 12/31/2008 | WO2009000265A1 Headset with foldable microphone arm |
| 12/31/2008 | WO2007115304A3 Monitor transducer system and manufacturing method thereof |
| 12/31/2008 | WO2007034344A3 Band- pass transducer system with long port |
| 12/31/2008 | EP2009949A1 Wireless telephony device, such as a telephone or an earphone, equipped with a speaker and an element for automatic volume adjustment |
| 12/31/2008 | EP2008496A2 Loudspeaker device |
| 12/31/2008 | EP2008495A1 Phase plug |
| 12/31/2008 | EP2007499A1 Method and device for reducing formation of particulate matter in gas streams |
| 12/31/2008 | EP1665876B1 Headphone with behind-the-head headband |
| 12/31/2008 | EP1520395B1 Stationary spectral power dependent audio enhancement system |
| 12/31/2008 | CN201174782Y Flared loudspeaker box |
| 12/31/2008 | CN201174780Y Acoustic pick-up array construction of microphone |
| 12/31/2008 | CN201174779Y Environment protecting earphone |
| 12/31/2008 | CN201174778Y Earphone mountings |
| 12/31/2008 | CN201174777Y Electricity saving earphone |
| 12/31/2008 | CN201174776Y Sound box protection case of vehicle-mounted acoustics |
| 12/31/2008 | CN201174775Y Loudspeaker pack capable of separated set |
| 12/31/2008 | CN201171536Y Graphics context scroll bar capable of playing music |
| 12/31/2008 | CN101336560A Acoustic compliance adjuster |
| 12/31/2008 | CN101336559A Earphone with leakage control and device therefor |
| 12/31/2008 | CN101336008A Rotary foldable earphone |
| 12/31/2008 | CN101336007A Full panel key type microphone |
| 12/31/2008 | CN101334689A Bluetooth earphone of auto-switch terminal application program and method |
| 12/30/2008 | US7472048 Direct digital drive audio system and method |
| 12/30/2008 | US7471805 Hearing aid mechanism |
| 12/30/2008 | US7471804 Flat panel monitor frame with integral speakers |