| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 06/13/2002 | WO2001087002A3 Loudspeaker having an acoustic panel and an electrical driver |
| 06/13/2002 | US20020071589 Electroacoustic transducer having contact holding means for spring contacts for the electrical connection of the transducer |
| 06/13/2002 | US20020071586 Structure of earphone |
| 06/13/2002 | US20020071585 Implantable hearing aid microphone |
| 06/13/2002 | US20020071583 Digital hearing device, method and system |
| 06/13/2002 | US20020071580 Line array speakers rigging system |
| 06/13/2002 | US20020071298 Apparatus for AC-to-DC conversion which provides a signed DC signal |
| 06/13/2002 | US20020070638 Inertial/audio unit and construction |
| 06/12/2002 | EP1212921A2 Passive radiator having mass elements |
| 06/12/2002 | EP0631709B1 Dual element headphone |
| 06/12/2002 | CN1353916A High definition transducer |
| 06/12/2002 | CN1353561A Loudspeaker equipment |
| 06/12/2002 | CN1353512A Message equipment |
| 06/12/2002 | CN1353511A Communication equipment for crew member |
| 06/12/2002 | CN1353425A Connecting wire of casque |
| 06/11/2002 | US6404896 Electric-acoustic transducer having dual voice coil drivers |
| 06/11/2002 | US6404894 Packaging |
| 06/11/2002 | US6404701 Encapsulated volumetric acoustic array in the shape of a towed body |
| 06/11/2002 | US6404085 Vibration generator for reporting and portable communication equipment using the same |
| 06/11/2002 | US6403995 Semiconductor digital loudspeaker array |
| 06/06/2002 | WO2002045463A2 Miniature silicon condenser microphone and method for producing same |
| 06/06/2002 | WO2002045462A2 Display systems |
| 06/06/2002 | WO2002045390A1 Microphone/earpiece device for a mobile telephone, telephone, exchange or the like |
| 06/06/2002 | US20020068616 Communication system for individuals |
| 06/06/2002 | US20020067841 Loudspeakers |
| 06/06/2002 | US20020067840 Piezo-electric speaker |
| 06/06/2002 | US20020066837 Portable music performance stand |
| 06/06/2002 | US20020066618 Passive system for speech enhancement |
| 06/06/2002 | US20020066617 Low-radiation headphone |
| 06/06/2002 | DE10058714A1 Loudspeaker system for supporting audio components, has loudspeaker box, coupling elements and upright post fastened on base part |
| 06/06/2002 | DE10049738A1 Automatic mute switching system for headset of mobile audio device of mobile telephone compares background noise detected by loudspeaker with stored sound characteristics |
| 06/06/2002 | DE10045703A1 Acoustic reproducing apparatus for vehicle has magnetic circuit and suspension unit which are attached to frame |
| 06/05/2002 | EP1077012B1 Headset for aircraft |
| 06/05/2002 | EP1015912B1 Acoustic source i |
| 06/05/2002 | CN1352516A Micro loudspeaker |
| 06/04/2002 | US6400825 Microspeaker |
| 06/04/2002 | US6399870 Musical instruments incorporating loudspeakers |
| 06/04/2002 | US6397972 Loudspeakers |
| 06/04/2002 | US6397679 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing |
| 05/30/2002 | WO2002043358A1 Portable telephone attachment for person hard of hearing |
| 05/30/2002 | WO2002041941A2 Ultrasound transducer unit and planar ultrasound lens |
| 05/30/2002 | WO2001039569A3 Method for establishing a detachable mechanical and/or electrical connection |
| 05/30/2002 | US20020065113 Electron device |
| 05/30/2002 | US20020064972 Mechanical signal filter |
| 05/30/2002 | US20020064295 Multifunction acoustic device |
| 05/30/2002 | US20020064290 Display systems |
| 05/30/2002 | US20020064287 Zoom microphone device |
| 05/29/2002 | EP1209948A2 Acoustical receiver housing for hearing aids |
| 05/29/2002 | EP1209945A2 Multifunction acoustic device |
| 05/29/2002 | EP1208800A2 Ultrasonic probe and method of producing same |
| 05/29/2002 | EP1208720A1 Retractable microphone/speaker lead for a belt clip attachment device for a mobile phone or the like |
| 05/29/2002 | DE10121663A1 Vibrationslautsprecher Vibration speaker |
| 05/29/2002 | CN1351813A Bending wave acoustic device |
| 05/29/2002 | CN1351812A Loudspeaker assembly |
| 05/28/2002 | US6397087 Device for controlling the connection of a built-in type ear-microphone for portable radio terminal |
| 05/28/2002 | US6396936 Auxiliary bass radiator units |
| 05/28/2002 | US6396935 Headset and method for a headset |
| 05/28/2002 | US6396769 System for housing a personal S.C.U.B.A diving audio system |
| 05/28/2002 | US6396197 Piezoelectric speaker |
| 05/28/2002 | US6394223 Loudspeaker with differential energy distribution in vertical and horizontal planes |
| 05/28/2002 | US6394222 Adjustable brace |
| 05/23/2002 | WO2002041608A1 Headset |
| 05/23/2002 | WO2002041287A2 Display signs |
| 05/23/2002 | WO2001075474A3 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing |
| 05/23/2002 | US20020062080 Ultrasonic probe and method of producing same |
| 05/23/2002 | US20020061772 System and method for sounding a music accompanied by light or vibration |
| 05/23/2002 | US20020061115 Vibration speaker |
| 05/23/2002 | US20020061114 Bandpass woofer enclosure with multiple acoustic filters |
| 05/23/2002 | US20020061113 Acoustical receiver housing for hearing aids |
| 05/23/2002 | US20020059832 Real-time noise source visualizing system using acoustic mirror |
| 05/23/2002 | DE10157196A1 Real time system for visual monitoring of noise sources with an acoustic mirror in wind tunnel tests superimposes color graded images of sound on camera images of noise source |
| 05/23/2002 | DE10156755A1 Briefcase or carrier bag for laptop computers and documents, has compartment for accommodating electronic devices, and includes integrated loudspeaker system for sound reproduction |
| 05/23/2002 | CA2429072A1 Display signs comprising a flat panel loudspeaker |
| 05/22/2002 | EP1207719A2 Loudspeaker, diaphragm and making process for diaphragm |
| 05/22/2002 | EP1207717A1 Electronic device with variable sound chamber |
| 05/22/2002 | EP1206896A1 Audio speaker system for personal computer |
| 05/22/2002 | EP1206771A1 Ultrasound assembly for use with a catheter |
| 05/22/2002 | CN2492991Y Loud speaker capable of broadcasting digital voice independently |
| 05/22/2002 | CN2492990Y Post loud speaker system |
| 05/22/2002 | CN1350764A Audio/video system and method enabling a user to select different views and sounds associated with an event |
| 05/22/2002 | CN1085486C Bandpass woofer and method |
| 05/21/2002 | US6393131 Loudspeaker |
| 05/21/2002 | US6392196 Thermal earmuff |
| 05/21/2002 | US6392136 Musical tone generation structure of electronic musical instrument |
| 05/21/2002 | US6389935 Acoustic display screen |
| 05/17/2002 | CA2363261A1 Ultrasonic probe and method of producing same |
| 05/16/2002 | WO2002039783A1 Directional microphone |
| 05/16/2002 | WO2002038288A1 Surface with varying electrical or magnetic properties |
| 05/16/2002 | US20020059067 Audio input device and method of controling the same |
| 05/16/2002 | US20020059064 Speech communication apparatus |
| 05/16/2002 | US20020057821 Speaker apparatus |
| 05/16/2002 | US20020057820 Speaker apparatus |
| 05/16/2002 | US20020057819 High frequency compression drivers |
| 05/16/2002 | US20020057817 Hearing aid |
| 05/16/2002 | US20020057816 Telephone loudspeaker enclosure |
| 05/16/2002 | US20020057810 Computer and voice communication unit with handsfree device |
| 05/16/2002 | US20020056589 Rolling pin horn |
| 05/15/2002 | EP1206162A2 Speaker apparatus |
| 05/15/2002 | EP1206161A1 Microphone array with self-adjusting directivity for handsets and hands free kits |
| 05/15/2002 | EP1206160A1 Digital loudspeaker |