| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 04/18/2002 | US20020044645 Method and apparatus to increase acoustic separation |
| 04/18/2002 | US20020044046 Compound acoustic actuator drive circuit and portable information terminal |
| 04/18/2002 | US20020043598 In- wall speaker mounting apparatus |
| 04/17/2002 | EP1198109A1 Capped earpiece for a mobile phone |
| 04/17/2002 | EP1197123A1 Earphone without impulse noise and surroundings blockade |
| 04/17/2002 | EP1197122A1 Earpiece without impulse and high frequency noise |
| 04/17/2002 | EP1197119A2 Acoustic protective cover assembly |
| 04/17/2002 | EP1196091A1 Focused ultrasound transducers and systems |
| 04/17/2002 | CN2487184Y Multifunction speaker |
| 04/17/2002 | CN1345525A Bending wave loudspeakers |
| 04/17/2002 | CN1345169A Multi-functional sound device |
| 04/16/2002 | US6373956 Method and arrangement for attenuating mechanical resonance in a loudspeaker |
| 04/16/2002 | US6373955 Loudspeakers |
| 04/16/2002 | US6373927 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth |
| 04/16/2002 | US6373362 Signal converter |
| 04/16/2002 | US6371241 Speaker device |
| 04/11/2002 | WO2002030156A1 Directional microphone assembly |
| 04/11/2002 | WO2002030155A1 Dual-chamber loudspeaker |
| 04/11/2002 | WO2002030152A1 Speaker |
| 04/11/2002 | WO2002030151A2 Audio apparatus |
| 04/11/2002 | WO2002030150A2 A hearing aid with adaptive matching of input transducers |
| 04/11/2002 | WO2002029432A1 Sound source probing system |
| 04/11/2002 | US20020042577 Frequency and amplitude apodization of transducers |
| 04/11/2002 | US20020042572 Ultrasonic diagnostic apparatus |
| 04/11/2002 | US20020041697 Flexible earhook |
| 04/11/2002 | US20020041696 Hearing aid with adaptive matching of input transducers |
| 04/11/2002 | US20020041694 Transducer |
| 04/11/2002 | US20020041693 Microphone array apparatus |
| 04/10/2002 | EP1196007A2 On demand audio entertainment device that allows wireless download of content |
| 04/10/2002 | EP1196006A2 On-demand audio entertainment device that allows wireless download content |
| 04/10/2002 | EP1196005A2 Coupling structure of signal converting apparatus |
| 04/10/2002 | EP1103044B1 Heat dissipating device, especially for high performance ultrasonic transducers |
| 04/10/2002 | EP0829078B1 Acoustic horn transducer with a conic type diffuser having an exponential profile |
| 04/10/2002 | EP0787415B1 Multiple pulse stimulation for cochlear implants |
| 04/10/2002 | CN2485908Y Plane artist stereo audio system |
| 04/10/2002 | CN2485907Y Dual chamber loudspeaker box |
| 04/10/2002 | CN2485906Y Headphone |
| 04/10/2002 | CN2485905Y Boom telephone receiver |
| 04/10/2002 | CN2485904Y Folding noise-resisting headphones |
| 04/10/2002 | CN2485903Y Microphone without paper diaphragm |
| 04/10/2002 | CN1344480A Compound electrolytic loudspeaker assembly |
| 04/10/2002 | CN1344124A Multifunctional acoustics device |
| 04/10/2002 | CN1082780C Frequency selective acoustic waveguide damping |
| 04/09/2002 | US6370257 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
| 04/09/2002 | US6370086 Ultrasound sensor for distance measurement |
| 04/09/2002 | US6369312 Method for expressing vibratory music and apparatus therefor |
| 04/09/2002 | US6367579 Inflatable speaker assembly |
| 04/07/2002 | WO2002052890A1 An acoustic device with means for being secured in a human ear |
| 04/04/2002 | WO2002028140A2 Second order microphone array |
| 04/04/2002 | WO2001087004A3 A loudspeaker incorporating an electromagnetic screen |
| 04/04/2002 | WO2001078060A3 Rhythmic apparatus, rhythmic accompaniment method and electronic transducer |
| 04/04/2002 | WO2000055673A9 Headset boom for image display module |
| 04/04/2002 | US20020040295 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| 04/04/2002 | US20020040255 Personal on-demand audio entertainment device that is untethered and allows wireless download of content |
| 04/04/2002 | US20020040254 Personal on-demand audio entertainment device that is untethered and allows wireless download of content |
| 04/04/2002 | US20020039427 Audio apparatus |
| 04/04/2002 | US20020039424 Music reproduction apparatus, audio player, and headphone |
| 04/04/2002 | US20020039406 Coupling structure of signal converting apparatus |
| 04/04/2002 | US20020038740 Cross-fired multiple horn loudspeaker system |
| 04/04/2002 | DE10050559C1 Mobile telephone accessory used for directing speech waves to microphone via chamber fitted around microphone and sound transmission channel incorporated in pivoted cover |
| 04/03/2002 | EP1194000A1 Sub-woofer system |
| 04/03/2002 | EP1193999A1 Loudspeaker |
| 04/03/2002 | EP1193998A2 Living organism conductive actuator |
| 04/03/2002 | EP1192839A2 Bending wave acoustic device |
| 04/03/2002 | EP1192836A1 Microphone with range switching |
| 04/03/2002 | EP1192835A2 Power and guidance connector |
| 04/03/2002 | CN1343437A 扩音器 Megaphone |
| 04/03/2002 | CN1343436A Method for shaping spatial reception amplification characteristic of converter arrangement and converter arrangement |
| 04/03/2002 | CN1343435A Adjustable brace e.g. ear-brace |
| 04/03/2002 | CN1343392A Apparatus for taking portable terminal |
| 04/03/2002 | CN1343345A Vibrator and method of controlling vibrator |
| 04/03/2002 | CN1343045A 便携式终端系统 The portable terminal system |
| 04/03/2002 | CN1342502A Focusing ultrasonic source |
| 04/02/2002 | US6365084 Process for production a molded product |
| 04/02/2002 | US6364053 Acoustical cabinet grille frame and method of molding |
| 04/02/2002 | US6363987 Compact disk labeling systems |
| 03/28/2002 | WO2002025994A1 Otoplastic with an integrated module, in-ear otoplastic and method for adapting otoplastics |
| 03/28/2002 | WO2002025992A2 Loudspeaker driver |
| 03/28/2002 | WO2002025991A1 Direct coupling of waveguide to compression driver having matching slot shaped throats |
| 03/28/2002 | WO2002025990A1 Multi-channel headphone system |
| 03/28/2002 | WO2002025989A1 Subminiature bone conduction speaker |
| 03/28/2002 | WO2002025906A2 A headset |
| 03/28/2002 | WO2002024128A1 Intra-auricular otoplastic |
| 03/28/2002 | WO2002001910A3 Wearable audio equipment |
| 03/28/2002 | WO2001087006A3 Earphone for an rf transmitting device |
| 03/28/2002 | WO2001065533A3 Acoustic diffuser free from resonance |
| 03/28/2002 | WO2001058207A3 Portable device for transmitting sound |
| 03/28/2002 | WO2001050813A3 Universal hearing-aid volute holder with conical extension but without auditory duct, and geometrical method of making the same |
| 03/28/2002 | US20020038215 In-vehicle device, car navigation system and monitoring device |
| 03/28/2002 | US20020037755 Hands-free microphone mounting |
| 03/28/2002 | US20020036113 Speaker cabinet with tuned stress elements |
| 03/28/2002 | DE10046202A1 Hands free communication headset has ear plug with microphone |
| 03/28/2002 | DE10045569A1 Hör-/Sprechgarnitur Headphone / headset |
| 03/28/2002 | CA2421294A1 Intra-auricular otoplastic |
| 03/27/2002 | EP1191811A1 Directional optical microphones |
| 03/27/2002 | EP1191810A1 Semiconductor electret capacitor microphone |
| 03/27/2002 | EP1191809A2 Multifunction acoustic device |
| 03/27/2002 | EP1190611A1 Portable radio apparatus |
| 03/27/2002 | EP1190599A2 Stiffened membrane assemblies |
| 03/27/2002 | EP1190597A1 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |