| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 04/22/2009 | CN201226583Y Interchanging earphone with single and double ears |
| 04/22/2009 | CN201226582Y Spring connection type electric sound transducer |
| 04/22/2009 | CN201226581Y Acoustic enclosure with clock |
| 04/22/2009 | CN201226580Y Acoustic enclosure with compass |
| 04/22/2009 | CN101416530A Isolating deep canal fitting earphone |
| 04/22/2009 | CN101416529A Flat compact-type earphone line case, reel assembly thereof, and method for connecting earphone line to jack line |
| 04/22/2009 | CN101416528A Speaker system |
| 04/22/2009 | CN101415135A Loudspeaker |
| 04/22/2009 | CN101415134A Portable electronic device and method for improving sound effect thereof |
| 04/22/2009 | CN101415133A Loudspeaker acoustic enclosure |
| 04/22/2009 | CN101415132A Earphone capable of retracting feeder line |
| 04/22/2009 | CN100481968C Electroacoustic public address unit with acoustic horn or waveguide |
| 04/22/2009 | CN100481754C Wireless communication system, wireless microphone and controlling method thereof |
| 04/21/2009 | US7522743 High comfort sound delivery system |
| 04/21/2009 | US7522741 Electro-acoustic apparatus comprising an electro-acoustic transducer |
| 04/21/2009 | US7522737 Microphones with equal sensitivity |
| 04/21/2009 | US7522736 Systems and methods for microphone localization |
| 04/21/2009 | US7522730 Universal microphone for secure radio communication |
| 04/21/2009 | US7520368 Horizontally folded reflex-ported bass horn enclosure |
| 04/16/2009 | WO2009048654A1 Integrated speaker and display |
| 04/16/2009 | WO2009048062A1 Sound passing member utilizing waterproof sound passing membrane and process for manufacturing the same |
| 04/16/2009 | WO2009047968A1 Noise cancel headphone |
| 04/16/2009 | WO2009047808A1 Cord adjustment device |
| 04/16/2009 | WO2009046715A1 Loudspeaker wall mount with integrated connection |
| 04/16/2009 | WO2009014925A3 Multiple interactive modes for using multiple earpieces linked to a common mobile handset |
| 04/16/2009 | US20090097692 Screen Speaker System |
| 04/16/2009 | US20090097691 Integrated speaker and display |
| 04/16/2009 | US20090097689 Sports Monitoring System for Headphones, Earbuds and/or Headsets |
| 04/16/2009 | US20090095605 Switch assembly and earphone set with the same |
| 04/16/2009 | DE202008017202U1 Kompakte Lautsprecherbox mit gutem Effekt für alle Tonhöhebereiche Compact speaker with good effect for all pitch ranges |
| 04/16/2009 | DE102007046593A1 Hörer und Verfahren zur aktiven Lärmkompensation Receiver and method for active noise compensation |
| 04/15/2009 | EP2048894A1 Portable terminal device and housing for portable terminal device |
| 04/15/2009 | EP2047711A1 Electroacoustical transducing |
| 04/15/2009 | EP2047456A2 Acoustic transducer array signal processing |
| 04/15/2009 | EP2003923A9 Bone vibration sound seat |
| 04/15/2009 | CN201222804Y Earphone for bone conduction apparatus |
| 04/15/2009 | CN201222803Y Digitalization electret microphone for inverse flow weld |
| 04/15/2009 | CN201222802Y Coaxial horn for earphone |
| 04/15/2009 | CN201222801Y Ear shield with communication function |
| 04/15/2009 | CN201222800Y Earphone with wire coiling cover |
| 04/15/2009 | CN201222799Y Multifunctional navigation earphone |
| 04/15/2009 | CN201222798Y Winding resistance box for earphone line |
| 04/15/2009 | CN201222797Y Horn with earphone function |
| 04/15/2009 | CN201222796Y Microphone with convenient turning audio plug |
| 04/15/2009 | CN201222795Y Shock-absorbing device for microphone |
| 04/15/2009 | CN201222794Y Microphone cover |
| 04/15/2009 | CN201222793Y Microphone handle |
| 04/15/2009 | CN201222792Y Microphone line tail plug |
| 04/15/2009 | CN201222791Y Acoustic enclosure made by bamboo |
| 04/15/2009 | CN201222790Y Multimedia horn apparatus with heat-dissipating function |
| 04/15/2009 | CN201222789Y Rotatable acoustic enclosure |
| 04/15/2009 | CN201222788Y Electric elevating loudspeaker module |
| 04/15/2009 | CN201222755Y Interphone ear microphone with auto-excitation function |
| 04/15/2009 | CN201222731Y 蓝牙耳机 Bluetooth headset |
| 04/15/2009 | CN201222363Y Novel durable tensile bending-proof type microphone line |
| 04/15/2009 | CN101411212A Loudspeaker device |
| 04/15/2009 | CN101411211A Electroacoustic transducer system and manufacturing method thereof |
| 04/15/2009 | CN101411210A Equipment, method and use of the equipment in an audio system |
| 04/15/2009 | CN101409855A Earphone adapting apparatus |
| 04/15/2009 | CN101409854A Earphone |
| 04/15/2009 | CN101409853A Multimedia audio system with audio digital interface |
| 04/15/2009 | CN100479534C Setting method and apparatus for panel loudspeaker case with inner lining micropunch sound absorption material |
| 04/15/2009 | CN100479533C Speaker for vehicle and installation structure therefor |
| 04/15/2009 | CN100479532C A low-inductance electromagnetic driver for non-exciting magnetic circuit |
| 04/14/2009 | US7519196 Headset |
| 04/14/2009 | US7519195 Sound system for industrial tool chests |
| 04/14/2009 | US7519191 Loudspeaker, manufacturing method thereof, and mobile telephone using the same |
| 04/14/2009 | US7519188 Electroacoustical transducing |
| 04/14/2009 | US7519187 Array speaker system |
| 04/14/2009 | US7519185 Earphone detection circuit |
| 04/14/2009 | US7519175 Integral microphone and speaker configuration type two-way communication apparatus |
| 04/14/2009 | US7518055 System and method for intelligent equalization |
| 04/10/2009 | CA2640027A1 Method and apparatus to provide digital signaling without internal modification of analog fm transceiver |
| 04/09/2009 | WO2009044916A1 Speaker device |
| 04/09/2009 | WO2009044872A1 Audio processing system |
| 04/09/2009 | WO2009044749A1 Sound emission and collection device |
| 04/09/2009 | WO2009044618A1 Speaker system |
| 04/09/2009 | WO2009044562A1 Noise extraction device using microphone |
| 04/09/2009 | WO2009043994A1 Sound reproduction system comprising a loudspeaker enclosure with ports, and associated processing circuit |
| 04/09/2009 | WO2008064022A3 Headphone driver with improved frequency response |
| 04/09/2009 | WO2005125267A3 Airborne collection of acoustic data using an unmanned aerial vehicle |
| 04/09/2009 | US20090094663 Portable music player and transmitter |
| 04/09/2009 | US20090093899 Portable music player and transmitter |
| 04/09/2009 | US20090092276 Flexible universal tweeter back mount |
| 04/09/2009 | US20090092275 Multiple speakers |
| 04/09/2009 | US20090092272 Speaker Structure |
| 04/09/2009 | DE202008010319U1 Stirnbandwarngerät für Autofahrer Headband warning device for motorists |
| 04/09/2009 | DE202007016881U1 Hörer Listener |
| 04/09/2009 | DE112006003784T5 Isolierender Ohrhörer für Innenkanalpassung Isolating Earphones for Innenkanalpassung |
| 04/09/2009 | DE102007053103B3 Verfahren zur Aufklärung eines Seegebiets Method to solve a sea area |
| 04/09/2009 | DE102007046632A1 Bent earring e.g. creole-shaped earring, for receiving and converting electro-acoustic signal during e.g. television broadcast, has audio-electronic material partially enclosed in inner side of ornament body at one of ends of earring |
| 04/09/2009 | DE102007037876B3 Hörvorrichtung mit Druckausgleich für Wandler Hearing apparatus with pressure compensation for converter |
| 04/08/2009 | EP2046072A2 A microphone assembly with a replaceable part |
| 04/08/2009 | EP2044803A2 A loudspeaker system having at least two loudspeaker arrays |
| 04/08/2009 | EP2044802A2 Multiple microphone system |
| 04/08/2009 | EP1649718A4 Surface mountable electret condenser microphone |
| 04/08/2009 | EP1600031A4 Device having matched accoustical impedance and method |
| 04/08/2009 | EP1593288B1 Electrodynamic acoustic transducer |
| 04/08/2009 | CN201219304Y Mid-bass sound effect processing equipment |
| 04/08/2009 | CN201219303Y Loudspeaker composite set |