| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 09/04/2002 | CN1367633A Multifunetional audio device |
| 09/03/2002 | US6445806 Tuned elastic loudspeaker enclosure |
| 09/03/2002 | US6445804 Ultra-directional speaker system and speaker system drive method |
| 09/03/2002 | US6444892 Sound system and method for creating a sound event based on a modeled sound field |
| 09/03/2002 | US6443586 Light-emitting panel-form loudspeaker |
| 08/29/2002 | WO2002067624A1 Head phone device |
| 08/29/2002 | WO2002067243A2 Rigging system for loudspeakers |
| 08/29/2002 | US20020118858 Loudspeaker system |
| 08/29/2002 | US20020118854 Vented loudspeaker enclosure with limited driver radiation |
| 08/29/2002 | US20020118852 Voice communication device |
| 08/29/2002 | US20020118851 Hearing aid, and a method and a signal processor for processing a hearing aid input signal |
| 08/29/2002 | US20020118847 Transparent panel-form loudspeaker |
| 08/29/2002 | US20020117327 Structure and method of lead wire connection, and clad material for lead wire connection |
| 08/28/2002 | EP1235462A1 Speaker device, and method and device for producing the same |
| 08/28/2002 | EP1234481A1 System and method to enhance reproduction of sub-bass frequencies |
| 08/28/2002 | EP1234479A2 Loudspeaker device |
| 08/28/2002 | EP1234478A2 Bending wave loudspeakers |
| 08/28/2002 | EP1234477A2 Speaker and motor vehicle assembly |
| 08/28/2002 | EP1101387B1 Acoustic device using bending wave modes |
| 08/28/2002 | CN2508507Y External loudspeaker box structure for notebook computer |
| 08/28/2002 | CN2508506Y Earpiece capable of automatically answering |
| 08/28/2002 | CN2508505Y Take-up type earpiece fixed to sound source electric appliance |
| 08/28/2002 | CN1366799A High-frequency current supressor capable of being readily attached to cable or like and earphone system using same |
| 08/28/2002 | CN1366785A Semiconductor electric capacitor microphone |
| 08/27/2002 | US6442282 Acoustic devices |
| 08/27/2002 | US6442210 Apparatus for AC-to-DC conversion which provides a signed DC signal |
| 08/27/2002 | US6442194 Digital telephone transmitter/receiver |
| 08/22/2002 | WO2002065810A2 Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil |
| 08/22/2002 | WO2002065809A1 The structure for head-phone |
| 08/22/2002 | WO2002065738A1 Portable radio terminal and sound delivery method and sound intake method |
| 08/22/2002 | WO2002065735A2 Vehicle accessory microphone |
| 08/22/2002 | WO2002065451A1 Floor mat with voice-responsive display |
| 08/22/2002 | WO2002030151A3 Audio apparatus |
| 08/22/2002 | US20020114487 Electromechanical and electroacoustic transducer |
| 08/22/2002 | US20020114486 Informing apparatus for mobile communication apparatus |
| 08/22/2002 | US20020114485 Speaker and speaker system |
| 08/22/2002 | US20020114484 Compact narrow band loudspeaker enclosure |
| 08/22/2002 | US20020114483 Acoustic device |
| 08/22/2002 | US20020114482 Axially propagating mid and high frequency loudspeaker systems |
| 08/22/2002 | US20020114481 Speaker apparatus |
| 08/22/2002 | US20020114478 Speaker apparatus |
| 08/22/2002 | US20020114218 Method for multiple suppression based on phase arrays |
| 08/22/2002 | CA2827686A1 Sound system and method of sound reproduction |
| 08/22/2002 | CA2437361A1 Floor mat with voice-responsive display |
| 08/21/2002 | EP1233647A2 Electroacoustic capsule |
| 08/21/2002 | EP1233646A1 Speaker |
| 08/21/2002 | EP1233643A2 Miniature microphone with improved wind-protection |
| 08/21/2002 | CN2507214Y Improved loudspeaker assembly structure |
| 08/21/2002 | CN2507213Y Louderspeaker casing cover with exhibition function |
| 08/21/2002 | CN1365600A Portable radio apparatus |
| 08/21/2002 | CN1365591A Electronic device using earphones and wireless earphones |
| 08/21/2002 | CN1089540C Microphone device |
| 08/21/2002 | CN1089539C Loadspeaker box and method for fixing loadspeaker |
| 08/20/2002 | US6438249 Open back acoustic speaker module |
| 08/20/2002 | US6438248 Hand-free apparatus |
| 08/20/2002 | US6438247 Seatbelt microphone mounting |
| 08/20/2002 | US6438246 Speaker apparatus |
| 08/20/2002 | US6438237 3D woofer drive circuit |
| 08/20/2002 | US6435301 Apparatus for the redistriabution of acoustic energy |
| 08/20/2002 | US6435243 Compact disk labeling systems |
| 08/15/2002 | WO2002063923A1 Microphone with arm |
| 08/15/2002 | WO2002063920A2 Connecting device for audio-video systems |
| 08/15/2002 | WO2002063873A1 Head mounted image/voice reproducing system |
| 08/15/2002 | WO2002063604A2 Loudspeaker |
| 08/15/2002 | WO2002023965A3 A cloth for covering an opening in a housing of an electronic equipment |
| 08/15/2002 | US20020110256 Vehicle accessory microphone |
| 08/15/2002 | US20020110255 Directional microphone assembly |
| 08/15/2002 | US20020110252 Microphone assembly |
| 08/15/2002 | US20020110250 Miniature microphone with improved wind protection |
| 08/15/2002 | US20020110249 Hinge unit for headset having current-carrying means |
| 08/14/2002 | EP1231816A2 Electronic device with a loudspeaker system |
| 08/14/2002 | EP1231815A1 Microphone holder |
| 08/14/2002 | EP1230781A1 Reconfigurable headset switch |
| 08/14/2002 | EP1230739A2 Vehicle accessory microphone |
| 08/14/2002 | EP0843950B1 Passive radiator and system comprising the passive radiator |
| 08/14/2002 | CN2506047Y Horn loudspeaker box |
| 08/14/2002 | CN1364376A Surface mounting of mobile telephone speaker uint |
| 08/14/2002 | CN1364045A User interface for portable communication device |
| 08/13/2002 | US6434251 Headset with adjustable earhook |
| 08/13/2002 | US6434250 Stereo headset with angled speakers |
| 08/13/2002 | US6434249 Earphone wire winding box with coaxial and dual wheels |
| 08/13/2002 | US6434245 Compound electrolytic loudspeaker assembly |
| 08/13/2002 | US6434240 Sound isolation cabinet using two sound sources to generate complimentary sound waves |
| 08/13/2002 | US6431886 Power and guidance connector |
| 08/13/2002 | US6431309 Loudspeaker system |
| 08/13/2002 | US6431308 High fidelity small omnidirectional loudspeaker |
| 08/13/2002 | CA2178453C Hearing aid headset having an array of microphones |
| 08/08/2002 | WO2002062102A1 Faceplate |
| 08/08/2002 | WO2002062100A1 Microphone system excellent in directivity |
| 08/08/2002 | WO2002062099A1 Loudspeaker arrangement |
| 08/08/2002 | WO2002062098A1 Earphone with supporting band |
| 08/08/2002 | WO2002062097A2 Whizzer cone for a loudspeaker |
| 08/08/2002 | WO2002062096A2 Electroacoustic conversion of audio signals, especially voice signals |
| 08/08/2002 | WO2002062041A1 Sanitary phone cover |
| 08/08/2002 | WO2002060801A1 Headset docking device |
| 08/08/2002 | WO2002035803A3 User interface for a portable communication device |
| 08/08/2002 | US20020106100 Wireless hanging type earphone |
| 08/08/2002 | US20020106099 Covering device for an earphone |
| 08/08/2002 | US20020106098 Microphone boom assembly |
| 08/08/2002 | US20020106097 Sound reproduction employing unity summation aperture loudspeakers |