| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 10/30/2002 | CN1377567A Producing and storing hearing profiles and customized audio data based |
| 10/30/2002 | CN1377172A Mounting structure of telephone mouthpiece |
| 10/30/2002 | CN1377025A Lead wire connecting structure and method and coating materials used in lead wire connection |
| 10/29/2002 | US6473625 Earpiece acoustics |
| 10/29/2002 | US6473515 Cap and center pole apparatus and method of coupling |
| 10/29/2002 | US6473514 High directivity microphone array |
| 10/24/2002 | WO2002085066A1 Directional controller and a method of controlling a hearing aid |
| 10/24/2002 | WO2002084982A2 Radio/telephone ear-piece |
| 10/24/2002 | WO2002084891A1 Wireless microphone |
| 10/24/2002 | WO2002083044A1 Earmuff with earphone |
| 10/24/2002 | US20020156379 Wide or multiple frequency band ultrasound transducer and transducer arrays |
| 10/24/2002 | US20020154790 Cylindrical microphone having an electret assembly in the end cover |
| 10/24/2002 | US20020154789 Adjustable microphone stand |
| 10/24/2002 | US20020154788 Speaker system |
| 10/24/2002 | US20020154785 Adjusting a loudspeaker to its acoustic environment: the ABC system |
| 10/24/2002 | US20020154379 Electrochromic rearview mirror assembly incorporating a display/signal light |
| 10/24/2002 | US20020153983 Electromagnetic induction type actuator device and mounting structure therefor and pda(Personal digital assistant) |
| 10/24/2002 | US20020153195 Rigging system for loudspeakers |
| 10/24/2002 | US20020153193 Speaker system |
| 10/24/2002 | US20020152970 Method and device for communication with animal |
| 10/23/2002 | EP1251713A2 Cylindrical microphone having an electret assembly in the end cover |
| 10/23/2002 | EP1250827A2 Transducer |
| 10/23/2002 | EP1142445B1 Low-frequency diaphragm speaker |
| 10/23/2002 | EP0868829B1 Magnetic fluid loudspeaker assembly with ported enclosure and method of determining parameters thereof |
| 10/23/2002 | CN2518286Y Novel sounder appts. |
| 10/23/2002 | CN2518285Y Mobile cell tube of capacitor type tie bar microphone |
| 10/23/2002 | CN2518284Y Improved head microphone |
| 10/23/2002 | CN2518283Y Radio receiving/transmitting earphone able to retract |
| 10/23/2002 | CN1376374A Earpiece without impulse and high frequency noise |
| 10/23/2002 | CN1376012A Multifunction sound apparatus |
| 10/23/2002 | CN1376011A High-strength focused fiber hydraophone for supersonic measurement |
| 10/23/2002 | CN1376010A Miniature loudspeaker set inside radio communication equipment |
| 10/23/2002 | CN1376009A Electric appliance with electroacoustic tranceducer |
| 10/22/2002 | US6470088 Vented loudspeaker enclosure with limited driver radiation |
| 10/22/2002 | US6468220 Echography probe and accessories |
| 10/22/2002 | US6467745 Mounting bracket assembly |
| 10/17/2002 | WO2002082858A2 Sound and vision system |
| 10/17/2002 | WO2002082856A2 Loudspeaker and method of making same |
| 10/17/2002 | WO2002082855A2 Loudspeaker |
| 10/17/2002 | WO2002082422A2 Active noise cancelling headset and devices with selective noise suppression |
| 10/17/2002 | WO2002045462A3 Display systems |
| 10/17/2002 | US20020150272 Speaker and speaker device |
| 10/17/2002 | US20020150271 Speaker |
| 10/17/2002 | US20020150270 Sound system having a HF horn coaxially aligned in the mouth of a midrange horn |
| 10/17/2002 | US20020150263 Signal processing system |
| 10/17/2002 | US20020148871 Rucksack |
| 10/16/2002 | EP1250025A1 Headphone |
| 10/16/2002 | EP1249155A1 Acoustic chamber integrated with vehicle door------------------- |
| 10/16/2002 | EP1248543A1 Inflatable speaker assembly |
| 10/16/2002 | CN2516802Y Counterweight bed of stand |
| 10/16/2002 | CN1374817A 话筒 Microphone |
| 10/15/2002 | US6466682 Vibration speaker |
| 10/15/2002 | US6466681 Weather resistant sound attenuating modular communications headset |
| 10/15/2002 | US6466680 High-frequency loudspeaker module for cinema screen |
| 10/15/2002 | US6466675 Loudspeaker system |
| 10/15/2002 | US6465935 Ultrasonic transducer |
| 10/10/2002 | WO2002080615A2 Ear microphone apparatus and method |
| 10/10/2002 | WO2002062097A3 Whizzer cone for a loudspeaker |
| 10/10/2002 | WO2001069968A3 Adaptive microphone matching in multi-microphone directional system |
| 10/10/2002 | US20020146987 Universal communication device |
| 10/10/2002 | US20020146144 Electro-acoustic converter |
| 10/10/2002 | US20020146140 Speaker assembly |
| 10/10/2002 | US20020146138 Ultrasound based parametric multi-path loudspeaker system |
| 10/10/2002 | US20020146115 Sanitary phone cover |
| 10/10/2002 | DE10116702A1 Loudspeaker system, has zinc plate adjoining resonance cavity for the generation of sound |
| 10/10/2002 | CA2443195A1 Ear microphone apparatus and method |
| 10/09/2002 | EP1248492A2 Ultrasonic parametric multiway speaker system |
| 10/09/2002 | EP1248491A2 Ultrasonic parametric speaker system |
| 10/09/2002 | EP1248081A1 Clamp-on ultrasonic flowmeter |
| 10/09/2002 | CN2515889Y Take-up earphone for electrical equipment with sound source |
| 10/09/2002 | CN1092465C Adapter for earphone and microphone |
| 10/08/2002 | US6463161 Electroacoustic transducer having contact holding means for spring contacts for the electrical connection of the transducer |
| 10/08/2002 | US6463160 Low profile loudspeaker assembly |
| 10/08/2002 | US6463159 Battery case structure of microphone of loudspeaker system |
| 10/08/2002 | US6463157 Bone conduction speaker and microphone |
| 10/08/2002 | US6460651 Passive speaker system |
| 10/08/2002 | CA2265675C Compact horn speaker |
| 10/04/2002 | WO2001076320A2 Acoustic transducer for broad-band loudspeakers or headphones |
| 10/04/2002 | CA2405436A1 Acoustic transducer for broadband loudspeakers or headphones |
| 10/03/2002 | WO2002078393A2 A directional receiver for hearing aids |
| 10/03/2002 | WO2002078388A2 Method and apparatus to create a sound field |
| 10/03/2002 | WO2002077967A2 A device and method for inserting acoustical dampers into earphones |
| 10/03/2002 | WO2002077702A1 Display substrate with an integrated acoustic transducer |
| 10/03/2002 | WO2001024575A9 Noise suppression system with dual microphone echo cancellation |
| 10/03/2002 | WO2001018786A9 Sound system and method for creating a sound event based on a modeled sound field |
| 10/03/2002 | US20020141605 Sub woofer system |
| 10/03/2002 | US20020141602 Ear microphone apparatus and method |
| 10/03/2002 | US20020141599 Active noise canceling headset and devices with selective noise suppression |
| 10/03/2002 | US20020139609 Passive radiator with mass elements |
| 10/03/2002 | US20020139608 Speaker holder |
| 10/03/2002 | US20020139607 Device and method for inserting acoustic dampers into earphones |
| 10/03/2002 | US20020139289 Indicating device |
| 10/03/2002 | US20020139198 Clamp-on ultrasonic flowmeter |
| 10/02/2002 | EP1245132A2 Portable audio devices |
| 10/02/2002 | EP1244886A1 Light fitting |
| 10/02/2002 | EP0843949B1 Electrodynamic loudspeaker and system comprising the loudspeaker |
| 10/02/2002 | DE10130909A1 Vibrationslautsprecher mit Doppelmagnet Vibration speaker with double magnet |
| 10/02/2002 | DE10114048A1 Vorrichtung zur Erzeugung eines Lichteffektes Apparatus for producing a light effect |
| 10/02/2002 | CN2514609Y Horn assembling structure |
| 10/02/2002 | CN2514598Y Loudspeaker box capable of mounting support in multiple positions |