H04R 7 - Diaphragms for electromechanical transducers; Cones

Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
11/2001
11/28/2001	EP1158834A2 High frequency loudspeaker
11/28/2001	EP1158832A1 Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker
11/28/2001	EP0988772B1 Personal computing devices comprising a resonant panel loudspeaker
11/28/2001	CN1324556A Loudspeakers comprising a phase uncorrelated diffuse sound source
11/28/2001	CN1075704C Attenuator used in laudspeaker and prodn. of same
11/27/2001	US6324294 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
11/27/2001	US6324052 Personal computing devices comprising a resonant panel loudspeaker
11/22/2001	US20010043714 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
11/22/2001	US20010043713 Speaker apparatus and manufacturing method thereof
11/21/2001	CN2461233Y Plane type loudspeaker
11/21/2001	CN1323154A Multi-sectional assembled aluminium alloy loud speaker frame
11/20/2001	US6320972 Loudspeaker
11/20/2001	US6320967 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
11/15/2001	WO2001087003A2 Panel loudspeaker
11/15/2001	WO2001087002A2 Loudspeaker having an acoustic panel and an electrical driver
11/15/2001	US20010040976 Panel-form loudspeakers with hidden exciters
11/14/2001	EP1153526A2 Bending wave panel-form loudspeaker
11/14/2001	CN2459842Y Vibration diaphragm for louderspeaker
11/14/2001	CN1322098A Multifunctional vibration exciter
11/14/2001	CN1322059A Method for mfg. surface acoustic wave device
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	US20010039200 Portable communications equipment
11/08/2001	US20010038701 Loudspeaker having an acoustic panel and an electrical driver
11/08/2001	EP1144525A3 Panel-shaped loudspeaker
11/07/2001	EP1151637A1 Electrostatic transducer with nonplanar configured diaphragm
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	CN1321404A Resonating diaphragms with different frequencies
11/01/2001	WO2001082648A2 Portable communications equipment
10/2001
10/31/2001	EP1150545A1 Microphone
10/31/2001	CN1320350A Ultra low frequency transducer and loud speaker
10/25/2001	WO2001080600A1 An electro-acoustic transducer, a loudspeaker system comprising at least one such transducer, a method of manufacturing an electro-acoustic transducer and a method for producing an electro-acoustic transducer
10/25/2001	WO2001080597A2 Acoustic device and method for driving it
10/25/2001	US20010033669 Resonant element transducer
10/24/2001	EP1147681A1 Resonant panel-form loudspeakers
10/24/2001	EP1147680A2 A headphone comprising bending-wave loudspeakers
10/24/2001	CN1319321A Horn-type loudspeaker system
10/24/2001	CN1319320A Loudspeaker
10/24/2001	CN1318964A Loudspeaker and its mfg.
10/23/2001	US6307942 Panel-form microphones
10/23/2001	US6305491 Speaker
10/23/2001	CA2087395C Loudspeakers
10/18/2001	WO2001078450A1 Membrane with embossed surface
10/18/2001	US20010031056 Electroacoustic transducer and structure for mounting an electroacoustic transducer
10/18/2001	US20010029650 Method of producing surface acoustic wave device
10/17/2001	EP1146773A2 Electromagnetic sound generator
10/17/2001	EP1146772A2 Electroacoustic transducer and structure for mounting an electroacoustic transducer
10/17/2001	EP1146770A2 Loudspeaker and method for the preperation thereof
10/17/2001	EP1145771A1 Multi-functional vibration actuator
10/17/2001	EP1145592A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device
10/17/2001	EP1144525A2 Panel-shaped loudspeaker
10/17/2001	EP1144221A1 Loud speaker mounting arrangement
10/17/2001	EP0748576A4 Variable geometry electromagnetic transducer
10/17/2001	CN1317920A Electroacustic converter and structure for connecting same
10/17/2001	CN1317782A Electromagnetic sounder
10/16/2001	US6304661 Loudspeakers comprising panel-form acoustic radiating elements
10/16/2001	US6303669 For speaker edge having an excellent waterproofness; resistance to wet heat aging and ozone deterioration
10/11/2001	WO2001076316A2 Deformable loudspeaker
10/11/2001	US20010028716 Loudspeaker design method
10/11/2001	US20010028303 Electromagnetic sound generator
10/10/2001	EP1142447A2 Loudspeaker
10/10/2001	EP1142445A2 Low-frequency diaphragm speaker
10/10/2001	CN1317220A Panel form acoustic apparatus using bending waves modes
10/04/2001	WO2001074118A1 Efficient computation of log-frequency-scale digital filter cascade
10/04/2001	WO2001074116A2 Passive radiator having mass elements
10/04/2001	WO2001074115A2 Planar loudspeaker for cabin-like environment
10/04/2001	WO2001074114A2 A loudspeaker
10/04/2001	US20010026628 Passive radiator having mass elements
10/04/2001	US20010026627 Deformable loudspeaker
10/04/2001	US20010026626 Mechanical-to-acoustical transformer and multi-media flat film speaker
10/04/2001	US20010026625 Resonant panel-form loudspeaker
10/04/2001	EP1138175A2 Bending wave panel-form loudspeaker
10/03/2001	CN2452230Y Side driving transparent plane loudspeaker
10/02/2001	US6298140 Electroacoustic transducer with improved tonal quality
10/02/2001	US6298012 Doubly resonant push-pull flextensional
09/2001
09/27/2001	WO2001072086A2 Bending wave panel - form loudspeakers
09/27/2001	WO2001072084A2 Dual mode audio device
09/27/2001	DE10002567C1 Elektrisch-akustischer Miniaturwandler Electric-acoustic miniature transducers
09/26/2001	EP1135967A2 Resonant bending wave panel-form loudspeaker
09/26/2001	EP1135966A2 Bending wave acoustic devices
09/26/2001	CN1071986C Diaphragm for use with an electro-acoustic transducer and method of producing the same
09/20/2001	US20010022846 Speaker parts and method of fabricating the speaker parts
09/20/2001	US20010022250 Loudspeaker and process for manufacturing a loudspeaker
09/19/2001	EP1135003A2 Speaker parts and method of fabricating the speaker parts
09/19/2001	EP0988775B1 Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same
09/19/2001	CN2449441Y Improved loudspeaker
09/13/2001	WO2001067812A1 Single end planar magnetic speaker
09/13/2001	CA2401886A1 Single end planar magnetic speaker
09/12/2001	EP1133212A2 Acoustic device
09/12/2001	CN1313020A Loudspeaker comprising resonant panel-form member
09/06/2001	US20010019617 Bending wave acoustic device
09/06/2001	US20010019616 Self-locking mold cure system
09/06/2001	DE10007699A1 Loudspeaker e.g. for use in vehicle, has semicircular bead connected to edges of diaphragm and speaker frame to form elastic suspension for diaphragm
09/04/2001	US6285770 Noticeboards incorporating loudspeakers
08/2001
08/30/2001	US20010017928 Speaker
08/30/2001	US20010017927 Flat panel loudspeaker arrangement
08/30/2001	US20010017924 Loudspeakers with panel-form acoustic radiating elements
08/30/2001	DE10023065A1 Ultraschallsensor für ein Kraftfahrzeug Ultrasound sensor for a motor vehicle

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