H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type

Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
12/2001
12/19/2001	CN1327358A Loudspeaker device
12/19/2001	CN1327335A Small size electroacoustic changer
12/18/2001	US6332029 Acoustic device
12/12/2001	EP1162864A2 Speaker structure
12/12/2001	CN2465433Y Loudspeaker
12/11/2001	US6330340 Loudspeaker with a diaphragm having integral vent bores
12/06/2001	US20010048256 Planar acoustic converting apparatus
12/06/2001	DE10127187A1 Conductive-type loudspeaker has mass ratio between edge diaphragm and dome-shaped diaphragm set in predetermined range
12/06/2001	DE10039740C1 Loudspeaker box arrangement has variable coupling elements between individual loudspeaker boxes for adjusting their relative positions
12/05/2001	EP1159852A2 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member
12/05/2001	CN2464037Y Loudspeaker
12/05/2001	CN1325606A Acoustic device according to bending wave principle
12/05/2001	CN1325188A Flat-sound converting apparatus
12/04/2001	US6327371 Loudspeaker with cooling adapter
12/04/2001	US6327369 Loudspeakers comprising panel-form acoustic radiating elements
11/2001
11/29/2001	WO2001049067A8 Loudspeaker having pole piece with vent bores
11/29/2001	US20010045321 Speaker
11/29/2001	US20010045320 Speaker unit
11/28/2001	EP1158835A2 Planar acoustic converting apparatus
11/28/2001	CN1324067A Electroacoustic transducer
11/28/2001	CN1323712A Sound input and output device having function of preventing bad voice
11/28/2001	CN1075704C Attenuator used in laudspeaker and prodn. of same
11/22/2001	US20010043715 Loudspeaker
11/22/2001	US20010043713 Speaker apparatus and manufacturing method thereof
11/22/2001	US20010043712 Loudspeaker
11/22/2001	US20010043706 Electroacoustic transducer
11/21/2001	EP1156701A2 Electroacoustic transducer with small dimensions
11/21/2001	EP1156700A2 Electroacoustic transducer
11/21/2001	EP1156496A1 Isotropic compound and method for preparation thereof, isotropic bonded magnet, rotary machine and magnet roll
11/20/2001	US6321070 Portable electronic device with a speaker assembly
11/20/2001	US6320972 Loudspeaker
11/20/2001	US6320967 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
11/15/2001	WO2001087002A2 Loudspeaker having an acoustic panel and an electrical driver
11/15/2001	WO2001017201A3 Apparatus for hands-free operation with two sound reproduction transducers
11/15/2001	US20010040972 Electroacoustic transducer with small dimensions
11/15/2001	EP1145531A3 Apparatus for hands-free operation with two sound reproduction transducers
11/14/2001	EP1153526A2 Bending wave panel-form loudspeaker
11/14/2001	EP0812521B1 Audio voice coil adaptor ring
11/14/2001	CN1322455A Electroacoustic communications unit
11/14/2001	CN1322097A Multifunctional vibration exciter
11/14/2001	CN1321967A Electromagnetic sounder
11/14/2001	CN1321551A Multifunctional vibration exciter capable of suppressing astable work around resonance frequency
11/08/2001	WO2001084883A2 Planar speaker wiring layout
11/08/2001	WO2001018132A3 Panel-shaped loudspeaker
11/08/2001	WO2000060573A9 Systems and methods for passive pressure-compensation for acoustic transducers
11/08/2001	US20010038701 Loudspeaker having an acoustic panel and an electrical driver
11/08/2001	EP1144525A3 Panel-shaped loudspeaker
11/07/2001	EP1151632A1 Vibration exciter for creating bending wave vibration
11/07/2001	EP1151631A2 Exciter for imparting bending wave energy to a panel
11/07/2001	CN1321055A Loudspeaker for electronic apparatus
11/07/2001	CN1321035A Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus
11/06/2001	US6312552 Curable resin composition, adhesive composition, bonded product, speaker and bonding method
10/2001
10/31/2001	EP1150546A2 Speaker for an electronic instrument
10/31/2001	EP1150277A2 Housing for electromagnetic sound generator
10/31/2001	EP1149636A1 Multi-functional vibration actuator
10/31/2001	CN2457827Y Moving coil inner magnetic telephone receiver magnetic loop connection structure
10/31/2001	CN1320350A Ultra low frequency transducer and loud speaker
10/30/2001	US6308960 V-lock segmented speaker gasket
10/25/2001	WO2001080598A1 Bone-conduction transducer and bone-conduction speaker headset therewith
10/25/2001	US20010033673 Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion
10/25/2001	US20010033672 Speaker for an electronic instrument
10/25/2001	US20010033668 Compound driver for acoustical applications
10/25/2001	US20010033224 Electromagnetic sound generator
10/25/2001	US20010033215 Multi-functional vibration actuator
10/24/2001	EP1148761A2 Multiple-function transducer
10/24/2001	EP1148760A2 Electroacoustic transducer
10/24/2001	CN1319321A Horn-type loudspeaker system
10/24/2001	CN1319320A Loudspeaker
10/24/2001	CN1318963A Electroacoustic transducer
10/23/2001	US6307942 Panel-form microphones
10/18/2001	WO2001078450A1 Membrane with embossed surface
10/18/2001	US20010031063 Loudspeaker free flow cooling system
10/18/2001	US20010030474 Multi-functional vibration actuator capable of suppressing an unstable operation around a resonance frequency
10/17/2001	EP1146771A1 Mobile telephone with an improved loudspeaker
10/17/2001	EP1145770A2 Multi-functional vibration actuator capable of supressing an unstable operation around a resonance frequency
10/17/2001	EP1145594A1 Low cost motor design for rare-earth-magnet loudspeakers
10/17/2001	EP1145592A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device
10/17/2001	EP1145531A2 Apparatus for hands-free operation with two sound reproduction transducers
10/17/2001	EP1144525A2 Panel-shaped loudspeaker
10/17/2001	EP0748576A4 Variable geometry electromagnetic transducer
10/16/2001	US6304661 Loudspeakers comprising panel-form acoustic radiating elements
10/11/2001	WO2001076316A2 Deformable loudspeaker
10/10/2001	EP1143767A2 Speaker
10/10/2001	EP1143764A1 Speaker device
10/10/2001	CN2453629Y Miniature, horizontal and all-direction electric speaker
10/10/2001	CN1316868A Loudspeaker
10/04/2001	US20010026627 Deformable loudspeaker
10/04/2001	US20010026625 Resonant panel-form loudspeaker
10/04/2001	EP1138175A2 Bending wave panel-form loudspeaker
10/03/2001	CN2452234Y Bone-conduction and air-conduction dual-purpose hearing aid earphone
10/03/2001	CN2452233Y Thin bugle audio amplifing horn
10/03/2001	CN2452232Y Horn
10/03/2001	CN2452231Y 喇叭 Speaker
09/2001
09/26/2001	EP1137320A2 Loudspeaker
09/26/2001	EP1135966A2 Bending wave acoustic devices
09/26/2001	CN2450846Y Back sounding picture frame type plane loudspeaker
09/26/2001	CN1314771A Electro-acoustic converter
09/26/2001	CN1071920C Electro-magnetic acoustic exchanger and method for winding coil of same
09/20/2001	US20010022844 Electroacoustic transducers
09/19/2001	EP1133894A1 High fidelity, broad band acoustic loudspeaker

1 ... 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 ... 115