H04R 7 - Diaphragms for electromechanical transducers; Cones

Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
12/2002
12/05/2002	WO2002059879A9 Planar-magnetic speakers with secondary magnetic structure
12/05/2002	WO2002003748A3 Electroacoustic transducer with replaceable diaphragm
12/05/2002	DE10120281C1 Lautsprecher Speaker
12/04/2002	CN1383699A Passive radiator having mass elements
12/04/2002	CN1383346A Loudspeaker system
11/2002
11/28/2002	WO2002043435A3 Electromagnetic driver for a planar diaphragm loudspeaker
11/28/2002	US20020176597 Flat panel speaker
11/28/2002	US20020176596 Speaker
11/21/2002	WO2002093972A2 Acoustic member for a loudspeaker comprising a component having a selected frequency dependence and method of making same
11/21/2002	WO2002092244A1 Leaf spring and vibration generating device using the leaf spring
11/21/2002	US20020172393 Loudspeaker and method of making same
11/21/2002	US20020172382 Pressure responsive device and method of manufacturing semiconductor substrate for use in pressure responsive device
11/21/2002	US20020171636 Sound and vision system
11/21/2002	US20020170774 Speaker parts and method of manufacturing same
11/21/2002	US20020170773 Tangential stress reduction system in a loudspeaker suspension
11/20/2002	CN1094714C Louderspeaker
11/20/2002	CN1094442C Trim panel and motor-driven vehicle with said trim panel
11/19/2002	US6483778 Systems and methods for passively compensating transducers
11/19/2002	US6481173 Flat panel sound radiator with special edge details
11/14/2002	WO2002015638A3 Loudspeaker using a plurality of exciters
11/14/2002	WO2002013574A3 Bending wave loudspeaker
11/14/2002	WO2001082648A3 Portable communications equipment
11/13/2002	EP0772953A4 Piezo speaker and installation method for laptop personal computer and other multimedia applications
11/12/2002	US6480614 Planar acoustic transducer
11/12/2002	US6479878 Semiconductor device and semiconductor electret condenser microphone
11/12/2002	US6478109 Laminated composite panel-form loudspeaker
11/07/2002	WO2002089522A2 Loudspeaker
11/07/2002	WO2002059879A3 Planar-magnetic speakers with secondary magnetic structure
11/06/2002	EP0666012B1 Planar-type loudspeaker with dual density diaphragm
11/05/2002	US6477356 Sounding-body holding device
11/05/2002	US6474440 Diaphragm for speaker and speaker device provided with the same
10/2002
10/31/2002	WO2002087281A1 Loud-speaker using piezo-electric element
10/31/2002	WO2002056636A3 Loudspeaker transducer
10/31/2002	US20020160678 Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker
10/31/2002	US20020159610 Loudspeaker
10/31/2002	DE10049744A1 Dynamic loudspeaker system for audio applications, has diaphragm molded from synthetically produced polycrystalline diamond
10/30/2002	CN1093729C Acoustic membrane and large power intermediate-high frequency loudspeaker made therefrom
10/29/2002	CA2126526C Diaphragm for use with an electro-acoustic transducer and method of producing the same
10/24/2002	WO2002085064A2 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted
10/24/2002	US20020154790 Cylindrical microphone having an electret assembly in the end cover
10/24/2002	US20020153193 Speaker system
10/23/2002	EP1251713A2 Cylindrical microphone having an electret assembly in the end cover
10/23/2002	EP1250827A2 Transducer
10/23/2002	EP1142445B1 Low-frequency diaphragm speaker
10/17/2002	WO2002082858A2 Sound and vision system
10/17/2002	WO2002082856A2 Loudspeaker and method of making same
10/17/2002	WO2002082855A2 Loudspeaker
10/17/2002	WO2002045462A3 Display systems
10/17/2002	WO2001072084A3 Dual mode audio device
10/17/2002	US20020148678 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted
10/16/2002	EP1040727B1 Moving-coil loudspeaker
10/15/2002	US6466682 Vibration speaker
10/10/2002	US20020146145 Audio speaker
10/10/2002	US20020144859 Loudspeaker suspension
10/10/2002	US20020144857 Butterfly damper
10/09/2002	EP1248493A2 Speaker diaphragm and method of manufacturing same
10/09/2002	EP1247422A2 Regressively hinged spider
10/09/2002	CN1373627A Butterfly adjuster
10/04/2002	WO2001076320A2 Acoustic transducer for broad-band loudspeakers or headphones
10/04/2002	CA2405436A1 Acoustic transducer for broadband loudspeakers or headphones
10/03/2002	WO2002078391A2 Bending wave acoustic radiator
10/03/2002	WO2002047433A3 Loudspeaker systems
10/03/2002	US20020141610 Ceramic metal matrix diaphragm for loudspeakers
10/03/2002	US20020141607 Bending wave acoustic radiator
10/03/2002	US20020140136 Formed from a material combining a fiber- type material and a ceramic-type-coating agent including metal alkoxide, metal hydroxide, and a colloidal fine parataiculate inorganic substance
10/02/2002	EP0843949B1 Electrodynamic loudspeaker and system comprising the loudspeaker
10/02/2002	CN2514602Y Improved loud-speaker
10/02/2002	CN1372431A Electroacoustic telephone transmitter
10/02/2002	CN1091777C Flexible polyurethane foam
09/2002
09/25/2002	EP1007390B1 Trim panel comprising an integral acoustic system
09/25/2002	CN2513313Y Moving-coil speaker using combined vibration film
09/24/2002	US6456723 Acoustic device
09/19/2002	WO2002074012A1 Flexible ribbon speaker
09/19/2002	WO2002074009A1 Electroacoustic converter
09/19/2002	DE10130910A1 Vibrationslautsprecher Vibration speaker
09/18/2002	EP1241916A2 Butterfly damper
09/18/2002	EP1240617A2 Contact sensitive device
09/17/2002	US6453049 Acoustic diaphragm
09/12/2002	WO2001080597A3 Acoustic device and method for driving it
09/12/2002	US20020126867 Flexible ribbon speaker
09/12/2002	US20020125065 Electronic apparatus having resonant panel-form loudspeaker
09/11/2002	EP1238568A1 Method for making a surface mechanical wave absorbing material and resulting electro-acoustic transducer
09/10/2002	US6449376 Planar-type loudspeaker with at least two diaphragms
09/10/2002	US6449375 Loudspeaker spider with regressive rolls
09/05/2002	US20020122560 Vibration speaker
09/05/2002	US20020121403 Low profile audio speaker
09/04/2002	EP1236375A2 Flat loudspeaker system for bass reproduction
09/04/2002	EP1147681B1 Resonant panel-form loudspeakers
09/03/2002	US6443586 Light-emitting panel-form loudspeaker
08/2002
08/29/2002	US20020118857 Speaker device
08/29/2002	US20020118856 Planar-magnetic speakers with secondary magnetic structure
08/29/2002	US20020118847 Transparent panel-form loudspeaker
08/28/2002	EP1234478A2 Bending wave loudspeakers
08/28/2002	EP1101387B1 Acoustic device using bending wave modes
08/28/2002	CN2508509Y 电声转换装置 Electro-acoustic conversion means
08/27/2002	US6442282 Acoustic devices
08/22/2002	WO2002065813A2 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
08/22/2002	WO2002065451A1 Floor mat with voice-responsive display
08/22/2002	WO2002030151A3 Audio apparatus
08/22/2002	US20020114483 Acoustic device

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