Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 7 - Diaphragms for electromechanical transducers; Cones
Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
01/2006
01/10/2006US6985596 Loudspeakers
01/10/2006US6983819 Entertainment sound panels
01/05/2006WO2006001792A1 Magnet assembly for a transducer
01/05/2006WO2006000751A1 Bending wave devices
01/05/2006US20060002579 Speaker device
01/05/2006US20060000666 Loudspeakers
01/05/2006DE102005025928A1 Dynamischer Erreger und Lautsprecher, der diesen Verwendet Dynamic and exciting speaker that uses this
01/04/2006CN1717954A Speaker, speaker module, and electronic apparatus using the speaker module
12/2005
12/29/2005US20050286729 Flat speaker with a flat membrane diaphragm
12/29/2005DE102004027110A1 Mikrofon Microphone
12/28/2005CN1714597A Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves
12/27/2005US6978861 Connection of sound bowl of loudspeaker
12/22/2005WO2005122634A1 Oscillating body pertaining to a loudspeaker system
12/22/2005US20050281433 Loudspeaker diaphragm
12/22/2005US20050281431 Speaker device and method of manufacturing the speaker device
12/22/2005US20050281430 Speaker device
12/22/2005US20050279566 Loudspeaker
12/22/2005DE4335087B4 Verfahren und Wandler zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal Process and converter for converting the mechanical vibration of a driver into an acoustic signal
12/21/2005EP1608203A1 Speaker and method for manufacturing the same
12/21/2005EP1606975A2 Device and method for calculating a discrete value of a component in a loudspeaker signal
12/21/2005CN1233199C Single and planar magnetic speaker
12/21/2005CN1233098C Flat-sound converting apparatus
12/20/2005US6978032 Piezoelectric speaker
12/15/2005WO2005120129A1 Condenser microphone
12/15/2005WO2005067675A3 Flat panel monitor frame with integral speakers
12/15/2005US20050276434 Dynamic exciter and loudspeaker using the same
12/15/2005US20050276427 Transparent panel-form loudspeaker
12/15/2005DE102004024729A1 Kondensatormikrofon Condenser microphone
12/14/2005EP1604542A1 Bending wave loudspeaker
12/14/2005CN2746692Y Loudspeake cone
12/14/2005CN1708182A Dynamic exciter and loudspeaker using the same
12/14/2005CN1707608A Sound amplifier
12/08/2005WO2005117490A2 Method and audio speaker with minimization of wobble of the voice coil
12/08/2005WO2005117489A1 Loudspeaker
12/08/2005WO2005117488A1 Speaker
12/08/2005US20050271239 Speaker device
12/08/2005US20050271236 Coaxial speaker device and manufacturing method thereof
12/08/2005US20050271232 Speaker module and appratus using this
12/07/2005EP1603362A1 Bone conduction device
12/07/2005EP1603114A2 Packaged piezoelectric exciter module
12/01/2005WO2005115052A1 Capacitor microphone
12/01/2005US20050265567 Speaker clearance arrangement for a communication device
12/01/2005DE19943874B4 Soundsystem auf Basis eines Biegewellenschwingers für ein Kraftfahrzeug Sound system based on a bending wave oscillator for a motor vehicle
11/2005
11/30/2005EP1601227A2 Loudspeaker
11/30/2005EP1600032A1 Device for fitting a space-designing means with a loudspeaker function
11/30/2005CN2744107Y Foamed rubber edge for loudspeaker
11/30/2005CN1230036C Electroacustic converter and structure for connecting same
11/30/2005CN1230027C Voice generator
11/30/2005CN1229957C Loudspeaker
11/30/2005CN1229771C Electromagnetic sounder
11/24/2005WO2005112505A1 Speaker and device using this speaker
11/24/2005US20050259843 Dome-shaped diaphragm and speaker
11/24/2005US20050257999 Bobbin integrated type magnesium diaphragm, manufacturing method thereof, and speaker device using the diaphragm
11/24/2005US20050257998 Method for manufacturing speaker-use center cap
11/23/2005EP1599066A2 Bobbin integrated type magnesium diaphragm, manufacturing method thereof, and speaker device using the diaphragm
11/23/2005EP1532838A4 Electro-dynamic planar loudspeakers
11/23/2005EP0865713B1 Sound reproduction device or microphone
11/23/2005CN1701632A Speaker unit and voice output device
11/23/2005CN1701631A Diaphragm for loud speaker and loud speaker employing it
11/23/2005CN1701625A Speaker module and appratus using this
11/23/2005CN1700809A Dome-shaped diaphragm and speaker
11/23/2005CN1699041A Method for manufacturing speaker-use center cap
11/23/2005CN1228700C Electronic article comprising loudspeaker and touch pad
11/17/2005US20050253299 Method for manufacturing electroacoustic transducer diaphragm
11/17/2005US20050253298 Method for manufacturing electroacoustic transducer diaphragm
11/16/2005CN1697570A Method for manufacturing electroacoustic transducer diaphragm
11/16/2005CN1697569A Method for manufacturing electroacoustic transducer diaphragm
11/16/2005CN1697567A Speaker apparatus
11/16/2005CN1697565A Speaker apparatus and speaker diaphragm
11/16/2005CN1697557A Speaker apparatus
11/15/2005US6965679 Equalizable electro-acoustic device used in commercial panels and method for converting said panels
11/15/2005US6965678 Electronic article comprising loudspeaker and touch pad
11/10/2005WO2005107315A1 Diaphragm for a loudspeaker with a moving coil
11/10/2005WO2005107314A1 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same
11/10/2005US20050248058 Method for manufacturing diaphragm for use in electroacoustic transducer
11/10/2005DE10246792B4 Akustische Vorrichtung Acoustic device
11/09/2005EP1594341A1 Loudspeaker diaphragm
11/08/2005US6963654 Diaphragm, flat-type acoustic transducer, and flat-type diaphragm
11/03/2005WO2005104612A1 Transducer assembly and loudspeaker including rheological material
11/03/2005WO2005102780A1 Audio devices for vehicles
11/03/2005US20050244030 Speaker apparatus
11/03/2005US20050244029 Speaker apparatus and speaker diaphragm
11/03/2005US20050241398 Acoustoelectric conversion device
11/02/2005EP1506691B1 Loudspeaker
11/02/2005CN2738506Y Loudspeaker vibrating diaphragm
11/02/2005CN1692676A Suspension and electroacoustic transducer using the same
11/02/2005CN1691839A Method for manufacturing diaphragm for use in electroacoustic transducer
10/2005
10/27/2005WO2005101901A1 Acoustic transducer
10/27/2005WO2005101900A1 Diaphragms for loudspeaker drive units or microphones
10/27/2005WO2005101899A2 Acoustic device & method of making acoustic device
10/27/2005US20050238197 Super tweeter
10/27/2005US20050238187 Loudspeaker with inverted cone
10/27/2005CA2560659A1 Acoustic device & method of making acoustic device
10/26/2005EP1588584A1 Apparatus and method for producing sound
10/25/2005US6959096 Sound reproduction system
10/25/2005US6957714 Speaker and speaker diaphragm
10/20/2005WO2005099305A1 Speaker, module using the same, electronic equipment and device, and speaker producing method
10/20/2005WO2005097926A1 Ink for screen printing, method for producing same, and method for manufacturing edge and damper of speaker using same
10/20/2005US20050232458 Speaker-use diaphragm and speaker
10/20/2005US20050232457 Speaker-use diaphragm and speaker
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