Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828)
12/2011
12/27/2011US8085969 Full range planar magnetic microphone and arrays thereof
12/27/2011US8085965 Condenser microphone
12/21/2011CN102291655A 声音转换装置以及声音转换装置组装方法 Voice conversion means and method of assembling the voice conversion means
12/20/2011US8081789 Microphone holder and microphone device using same
12/20/2011US8081782 Acoustic-electric transducer, electronic device, method, and computer program product
12/14/2011CN102280101A 静铁芯及其该静铁芯的装配方法 Static core and the fixed iron core assembly method
12/13/2011US8077903 Method and apparatus for controlling material vibration modes in polymer and paper high performance speaker diaphragms
12/13/2011US8077900 Microphone and method for fabricating the same
12/13/2011US8077899 Electronic device and process for mounting microphone therein
12/08/2011US20110299717 Loudspeaker with replaceable motor assembly
12/07/2011CN102271301A 一种扬声器 A speaker
12/01/2011US20110293126 Microphone
11/2011
11/29/2011US8068635 Diaphragm with integrated acoustical and optical properties
11/29/2011US8068632 Microphone and microphone hanger-hook
11/24/2011US20110286619 Ribbon transducer with improved distortion characteristics
11/22/2011US8064631 Electroacoustic transducer
11/15/2011US8059857 Voice coil bobbin and speaker system
11/10/2011US20110274308 Multifunctional micro speaker
11/10/2011US20110274298 Mems microphone
11/08/2011US8055005 Bluetooth earphone and lanyard structure thereof
11/01/2011US8050445 Microspeaker and method of designing the same
11/01/2011US8050443 Microphone and microphone mounting structure
11/01/2011US8050144 Vertical geophone having improved distortion characteristics
10/2011
10/27/2011US20110261987 Condenser Microphone
10/26/2011CN101044790B Apparatus for creating motion amplification in a transducer with improved linkage structure
10/25/2011US8045746 Speaker device
10/25/2011US8045745 Edge support for a speaker apparatus comprising multiple ridges
10/20/2011US20110255728 Sound-transmitting membrane for microphone, sound-transmitting membrane member for microphone provided with the membrane, microphone, and electronic device provided with microphone
10/19/2011CN1784928B Apparatus and method for generating acoustic energy in receiver assembly
10/18/2011US8041071 Diaphragm and speaker device
10/18/2011CA2387125C Vehicle accessory microphone
10/13/2011WO2011125083A1 Electromechanical conversion system with moving magnets; acoustic diffuser comprising said system and a moving member that generates sound waves
10/06/2011WO2011123266A1 Loudspeaker moment and torque balancing
10/06/2011WO2011123265A1 Moving magnet levered loudspeaker
10/06/2011US20110243370 Loudspeaker with magnetic elements fixedly provided on diaphragm
10/05/2011CN102210166A Acoustic valve mechanisms
10/04/2011US8031902 Loudspeaker
09/2011
09/29/2011US20110235829 Diaphragm and silicon condenser microphone using same
09/28/2011CN102204278A Moving-magnet loudspeaker and method for manufacturing same
09/27/2011US8027492 Armature for a receiver
09/22/2011US20110228968 Loudspeaker device with sound enhancing structure
09/21/2011CN102196343A Horn elastic wave with different hardness and manufacturing method thereof
09/20/2011US8023686 Loudspeaker
09/20/2011US8023668 System for predicting the behavior of a transducer
09/15/2011US20110222717 Semiconductor device and microphone
09/15/2011US20110222713 Condenser Microphone
09/14/2011EP0956736B2 Electro-dynamic exciter
09/14/2011CN102187689A Methods and apparatus for reduced distortion balanced armature devices
09/13/2011US8019109 Microphone boom with adjustable wind noise suppression
09/13/2011US8019101 Condenser microphone
09/06/2011US8014546 EMI shielding for a microphone
08/2011
08/30/2011US8009857 Induction motor for loudspeaker
08/30/2011US8009856 Speaker
08/30/2011US8009855 Speaker
08/30/2011US8009851 Noise reduction system and method
08/25/2011US20110207588 Exercise device of an oscillation type
08/25/2011US20110205057 Personal security backpack and method
08/23/2011US8005207 Microphone coupler system for a communication device
08/17/2011CN102158170A Drive mechanism
08/09/2011US7995789 Electroacoustic transducer with resistance to shock-waves
07/2011
07/28/2011US20110182456 Boundary Microphone
07/20/2011EP2345259A2 Acoustic valve mechanisms
07/19/2011US7983432 Point excitation placement in an audio transducer
07/19/2011US7983431 Bone conduction device and tympanum thereof
07/14/2011US20110170729 Microphone
07/14/2011US20110170727 Boundary Microphone
07/12/2011US7978872 Driver for a speaker
07/12/2011US7978869 Wireless microphone
07/06/2011CN201893924U Electric horn
07/05/2011US7974430 Microphone with dust-proof section
07/05/2011US7974429 Wireless microphone
06/2011
06/30/2011US20110158451 Close-Talking Capacitor Microphone
06/30/2011US20110158439 Silicon Microphone Transducer
06/28/2011US7970815 Portable record and/or reproduce device, method of reproducing, and method of recording and reproducing
06/28/2011US7970162 Loudspeaker bobbin interconnection assembly
06/28/2011US7970161 Acoustic transducer having reduced thickness
06/28/2011US7970160 Speaker apparatus
06/22/2011CN201878324U Moving-iron type low frequency acoustical generator
06/22/2011CN101166328B Hearing-aid compatible mobile wireless terminal using magnetic coil of vibration motor
06/16/2011US20110142265 Capacitor microphone unit and capacitor microphone
06/16/2011US20110142264 Condenser microphone and method for manufacturing the same
06/16/2011US20110142261 MEMS Microphone with Programmable Sensitivity
06/14/2011US7961902 Speaker apparatus and manufacturing method thereof
06/09/2011US20110135139 Speaker device
06/09/2011US20110135122 Microphone
06/08/2011EP2329657A2 Methods and apparatus for reduced distortion balanced armature devices
05/2011
05/31/2011US7953241 Microphone assembly
05/31/2011US7953240 Loudspeaker apparatus
05/26/2011US20110123058 Composite microphone, microphone assembly and method of manufacturing those
05/26/2011US20110123052 Microphone
05/24/2011US7946379 Filter assembly
05/19/2011US20110116671 Audio device comprising a microphone
05/19/2011US20110116661 Shield case and mems microphone having it
05/17/2011US7945069 Loudspeaker plastic cone body
05/17/2011US7945062 Microelectromechanical microphone packaging system
05/17/2011US7941909 Method of fabricating an ultra-small condenser microphone
05/12/2011US20110110554 Low profile greeting card speaker
05/12/2011US20110110551 Apparatus for Releasably Securing Wireless Communication Device to Head Gear
05/12/2011US20110110550 Microphone with Variable Low Frequency Cutoff
05/12/2011DE102009052129A1 Electromechanical transducer for use as e.g. loudspeaker, has rotor with permanent magnets, where side surfaces of permanent magnets in associated air gaps are moved within movement area and do not move out of area
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