Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
03/2007
03/22/2007WO2007032461A1 Diaphragm for speaker and speaker
03/22/2007US20070064972 Electromagnetic driver for a planar diaphragm loudspeaker
03/22/2007DE202007001267U1 Flachmembran-Tonausgabegerät Flat diaphragm sound output
03/21/2007EP1763973A1 Audiovisual arrangement
03/21/2007EP1654908B1 Loudspeaker with undulated membrane
03/21/2007EP0996311B1 Planar acoustic transducer
03/21/2007CN1934900A Multi-function type oscillation actuator and mobile terminal device
03/21/2007CN1934899A Loudspeaker
03/21/2007CN1934898A Method of manufacturing film-speaker using piezoelectric film and sound equipment with the same
03/21/2007CN1934302A Woven or knitted fabric, diaphragm for speaker, and speaker
03/21/2007CN1306852C Microphone, diaphragm and method for making diaphragm
03/20/2007US7194098 Acoustic device
03/15/2007WO2007029500A1 Voice output device and method, program, and room
03/15/2007WO2007028980A1 Acoustic device
03/15/2007US20070058827 Loudspeaker
03/15/2007US20070057909 Display screen loudspeaker
03/14/2007EP1762119A1 Piezoelectric inertial transducer
03/14/2007EP1762117A1 Capacitor microphone
03/14/2007EP1634481B1 Display screen loudspeaker
03/14/2007CN1930912A Loudspeaker
03/14/2007CN1930911A Diaphragm and loudspeaker using same
03/14/2007CN1930910A Loudspeakers
03/13/2007US7190804 Speaker apparatus
03/07/2007EP1759562A1 Corrugated surface diaphragm for a loudspeaker with a moving coil
03/07/2007CN1926914A Transducer assembly and loudspeaker including rheological material
03/07/2007CN1926913A Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same
03/07/2007CN1926207A Ink for screen printing, method for producing same, and method for manufacturing edge and damper of speaker using same
03/07/2007CN1925696A Diamond oscillating film
03/07/2007CN1925694A Fabric thin-belt type sound-membrane loudspeaker
03/07/2007CN1303848C Loudspeaker vibrating diaphragm base material structure and manufacturing method thereof
03/06/2007US7187779 Electromagnetic transducer and portable communication device
03/06/2007US7187776 Planar loudspeaker
03/06/2007US7185735 Audio speaker with wobble free voice coil movement
03/01/2007US20070047756 Apparatus for Energy Transfer in a Balanced Receiver Assembly and Manufacturing Method Thereof
02/2007
02/28/2007EP1757163A1 Condenser microphone
02/28/2007EP1757162A1 Magnet assembly for a transducer
02/28/2007EP1757160A1 Diaphragms for loudspeaker drive units or microphones
02/28/2007EP1665879B1 Electromechanical force transducer
02/28/2007EP0775431B1 Multi-channel headset with controlled sound-emission characteristics
02/28/2007CN2874974Y Horn basin rack
02/28/2007CN1922923A Method of and device for modifying the properties of a membrane for an electroacoustic transducer
02/28/2007CN1922919A Speaker and module using this, electronic apparatus, and apparatus, and speaker manufacturing method
02/28/2007CN1922915A Display device having a sound-generating means and a monitor display panel with a display screen
02/28/2007CN1921704A Sound membrane for minitype electroacoustic device
02/28/2007CN1302687C Speaker
02/27/2007US7184567 Thin speaker and method of manufacturing the speaker
02/22/2007WO2007020925A1 Electro-acoustic transducer
02/22/2007WO2007020409A1 Method of making an acoustic device
02/22/2007WO2006066850A3 Loudspeaker diaphragm and method for producing a loudspeaker diaphragm
02/22/2007DE202006014632U1 Surface-mounting loudspeaker arrangement, has coupling device assessable externally by end-user
02/22/2007DE10260307B4 Elektroakustischer Miniaturwandler für ein Hörhilfegerät Electric miniature transducer for a hearing aid
02/21/2007EP1755358A1 Multi-function type oscillation actuator and mobile terminal device
02/21/2007EP1616456B1 System for the projection of cinematographic works or digitial works with sound
02/20/2007US7181041 Flat speaker of full-face driving
02/20/2007US7180225 Piezoelectric vibrator
02/20/2007US7178628 Speaker assembly
02/15/2007US20070034443 Loudspeaker diaphragm
02/14/2007CN1913724A Electroacoustic transducer
02/14/2007CN1913722A Loudspeaker diaphragm
02/13/2007US7177440 Electromagnetic transducer with asymmetric diaphragm
02/13/2007US7174990 Tangential stress reduction system in a loudspeaker suspension
02/08/2007WO2007015518A1 Speaker formed with screen as a unitary block
02/08/2007DE102005033632A1 Loudspeaker, has passive diaphragms vibrated and coupled at end or diaphragm surface in vibration drive, possessing self swinging characteristics and connected with each other by bar
02/07/2007EP1750477A1 Loudspeaker
02/07/2007CN2867781Y Loudspeaker vibrophone
02/07/2007CN1910954A Bending wave panel loudspeaker
02/06/2007US7174025 Resonant panel-form loudspeaker
02/06/2007US7174024 Flat acoustic conversion device
02/06/2007US7173025 Compounds for use as anticoagulants for treatment of arteries in brains and factor x inhibitors
02/01/2007US20070025703 System and method for reproducing moving picture
02/01/2007US20070025588 Flat panel loudspeaker arrangement
02/01/2007US20070023229 Diaphragm for micro-electroacoustic device
01/2007
01/31/2007CN1906966A Diaphragm for loudspeaker and loudspeaker
01/31/2007CN1906965A Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them
01/31/2007CN1905759A Loudspeaker damper and method of mounting loudspeaker damper
01/31/2007CN1905756A Sound membrane for micro-electroacoustic apparatus
01/30/2007US7171015 Speaker apparatus
01/25/2007US20070017737 Acoustic diaphragm and method for manufacturing an acoustic diaphragm
01/25/2007US20070017736 Speaker diaphragm and method of manufacturing speaker diaphragm
01/24/2007EP1606975B1 Device and method for calculating a discrete value of a component in a loudspeaker signal
01/24/2007EP1333699B1 Speaker edge, method of foam-molding the same, and speaker employing the speaker edge
01/24/2007CN1297176C Loudspeaker vibrating membrane
01/23/2007US7167573 Full range loudspeaker
01/23/2007US7165647 Mechanical acoustic filter by erosion etching
01/18/2007WO2006105268A3 Acoustic assembly for a transducer
01/18/2007US20070014427 Apparatus for Creating Acoustic Energy in a Balanced Receiver Assembly and Manufacturing Method Thereof
01/18/2007US20070013270 Piezoelectric vibrator
01/17/2007CN2859972Y Drum paper containing galvanizing tissue
01/17/2007CN2859971Y Vibrating reed
01/17/2007CN1897762A Acoustic diaphragm
01/16/2007US7164776 Vibration balanced receiver
01/11/2007US20070009133 Loudspeaker
01/10/2007EP1742502A1 Speaker
01/10/2007EP1049107B1 Substance activating method and device
01/10/2007CN2857392Y Combosite moving coil
01/10/2007CN2857390Y Metal foil moving coil
01/10/2007CN2857389Y Reinforcing structure of horn reed
01/10/2007CN1894999A Piezoelectric electro-acoustic converter
01/10/2007CN1894998A Bending wave loudspeaker
01/10/2007CN1893735A Flat loudspeaker
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