| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
|---|
| 05/22/2002 | EP1207719A2 Loudspeaker, diaphragm and making process for diaphragm |
| 05/22/2002 | EP1207716A2 Molded part for holding the driver of a flat diaphragm loudspeaker |
| 05/22/2002 | EP1206897A2 Flat panel speaker |
| 05/22/2002 | CN1350765A Acoustic device |
| 05/21/2002 | US6390232 Speaker cone assembly |
| 05/21/2002 | US6389935 Acoustic display screen |
| 05/16/2002 | WO2002039781A2 Loudspeaker driver |
| 05/16/2002 | US20020057822 Planar magnetic acoustic transducer diaphragms with passive areas for modal control |
| 05/16/2002 | US20020057818 Speaker apparatus |
| 05/16/2002 | DE10145328A1 Vibration board takes the form of a plywood board which is provided with a vibrator unit operating within a specified low-frequency range |
| 05/15/2002 | EP1205088A2 Magnet assembly |
| 05/14/2002 | US6386315 Flat panel sound radiator and assembly system |
| 05/10/2002 | WO2001041498A3 Bending wave loudspeakers |
| 05/09/2002 | US20020054690 Loudspeaker driver |
| 05/08/2002 | EP1204295A1 Flat panel sound radiator with sound absorbing facing |
| 05/08/2002 | CN2490781Y Miniature ultrathin broadband loudspeaker |
| 05/08/2002 | CN1348321A Combined loudspeaker with magnet system |
| 05/07/2002 | US6385328 Electro-acoustic micro-transducer having three-mode reproduction feature |
| 05/07/2002 | US6385327 Device having two coaxially disposed bodies which are movable relative to one another along a translation axis |
| 05/03/2002 | CA2359167A1 Flat panel radiator with sound absorbing facing |
| 05/02/2002 | WO2002035883A1 Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge |
| 05/02/2002 | WO2001074115A3 Planar loudspeaker for cabin-like environment |
| 05/02/2002 | WO2001041496A3 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |
| 05/02/2002 | WO2001035696A3 Digital loudspeaker |
| 05/02/2002 | WO2001031975A3 Ultra low frequency transducer and loud speaker comprising same |
| 05/02/2002 | US20020051558 Loudspeaker |
| 05/02/2002 | US20020051556 Loudspeaker coil suspension system |
| 05/02/2002 | US20020051553 Microphone |
| 05/02/2002 | EP1201102A2 Loudspeaker |
| 05/02/2002 | EP1145592A3 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |
| 05/02/2002 | DE10152602A1 Electrostatic loudspeaker equipment has bias voltage applied between oscillator electrode and fixed electrode |
| 05/02/2002 | CA2395686A1 Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge |
| 05/01/2002 | CN1347628A Moving coil driver |
| 05/01/2002 | CN1347256A Electromagnetic transducer and portable communication device |
| 04/30/2002 | US6381337 Sound reproduction device or microphone |
| 04/30/2002 | US6378649 Speaker member and manufacturing method thereof |
| 04/25/2002 | WO2002034007A1 Equalizable electro-acoustic device used in commercial panels and method for converting said panels |
| 04/25/2002 | WO2001093628A3 Loudspeaker of the bending wave type and exciter therefor |
| 04/25/2002 | WO2001054450A3 Transducer in particularly for use in acoustic devices |
| 04/25/2002 | US20020047173 Semiconductor device, semiconductor electret condenser microphone, and method of producing semiconductor electret condenser microphone |
| 04/25/2002 | US20020046900 Speaker diaphragm |
| 04/24/2002 | EP1078551B1 Panel loudspeaker |
| 04/24/2002 | CN2488244Y Voice bowl with reinforced cone |
| 04/24/2002 | CN1346230A Sound-electricity transducer |
| 04/23/2002 | US6377695 Trim panel comprising an integral acoustic system |
| 04/23/2002 | US6377145 Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance |
| 04/18/2002 | WO2001097559A3 Capacitive micromachined ultrasonic transducers. |
| 04/18/2002 | WO2001076320A3 Acoustic transducer for broad-band loudspeakers or headphones |
| 04/18/2002 | WO2001074116A3 Passive radiator having mass elements |
| 04/18/2002 | US20020044668 Bending wave loudspeaker |
| 04/17/2002 | EP1197120A2 Bending wave panel speaker and method of driving such a 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 | US6372066 Vibration exciter |
| 04/11/2002 | WO2002030151A2 Audio apparatus |
| 04/11/2002 | US20020041694 Transducer |
| 04/10/2002 | EP1086606B1 Panel loudspeakers |
| 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 | US6369943 Projection screen |
| 04/04/2002 | US20020039430 Electricity-to-sound transducer |
| 04/04/2002 | US20020039427 Audio apparatus |
| 04/03/2002 | EP1194003A2 Electricity to sound transducer |
| 04/03/2002 | EP1194002A2 Electromagnetic transducer and portable communication device |
| 04/03/2002 | EP1194001A1 Flat acoustic transducer |
| 04/03/2002 | EP1192839A2 Bending wave acoustic device |
| 04/03/2002 | CN1343438A 振动激励器 Vibration exciter |
| 04/03/2002 | CN1343437A 扩音器 Megaphone |
| 04/02/2002 | US6364966 Method for manufacturing acoustic vibration plate |
| 03/28/2002 | WO2002025992A2 Loudspeaker driver |
| 03/28/2002 | WO2001076316A3 Deformable loudspeaker |
| 03/28/2002 | US20020037089 Electromagnetic transducer and portable communication device |
| 03/28/2002 | DE10046059A1 Flachlautsprecher Flat speaker |
| 03/27/2002 | EP1191809A2 Multifunction acoustic device |
| 03/27/2002 | EP1190599A2 Stiffened membrane assemblies |
| 03/27/2002 | CN2483926Y Loudspeaker components |
| 03/27/2002 | CN1342383A Electronic apparatus |
| 03/21/2002 | WO2002023946A2 Flat loudspeaker |
| 03/21/2002 | WO2001045460A3 Structural materials used in the faceskins of sandwich panels |
| 03/21/2002 | US20020034314 Loudspeaker driver |
| 03/21/2002 | US20020033681 Multifunction acoustic device |
| 03/20/2002 | EP1189482A1 Membrane for optical microphone/sensor |
| 03/19/2002 | US6359996 Speaker device |
| 03/19/2002 | US6359991 Greetings or the like card |
| 03/14/2002 | WO2002021881A1 Display window having voice input/output function |
| 03/14/2002 | WO2001047321A3 Regressively hinged spider |
| 03/14/2002 | WO2001031971A3 Keyboard comprising a loudspeaker |
| 03/14/2002 | US20020029925 Loudspeakers |
| 03/14/2002 | DE10053252A1 Shaped part for holding exciter for flat membrane loudspeaker, has bridges in peripheral groups in different planes at different distances from sound emitting membrane |
| 03/14/2002 | DE10040994A1 Wide frequency range sound generation system for internal noise reduction measure in motor vehicle, has vibratable diaphragm made of several passive tightened layers and active function elements |
| 03/13/2002 | EP1186203A2 Bending wave acoustic device |
| 03/13/2002 | EP0951801B1 Loudspeakers |
| 03/13/2002 | CN1340282A Loudspeaker |
| 03/13/2002 | CN1340281A Cloth for loudspeaker diaphragm, loudspeaker diaphragm and loudspeaker |
| 03/13/2002 | CN1080660C Vehicle assembly with moulded lining pad shape for passenger chamber and its vehicles |
| 03/12/2002 | US6356641 Vehicular loudspeaker system |
| 03/07/2002 | WO2001008447A3 Flat panel speaker |
| 03/07/2002 | US20020027999 Acoustic device |
| 03/07/2002 | US20020027040 Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
| 03/07/2002 | DE10100073C1 Sound transmission and radiation device has sound waves fed to spaced openings for radiation of sound provided in or beneath surface of cushion or mattress |