Patents for H04R 11 - Transducers of moving-armature or moving-core type (1,828) |
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12/27/2011 | US8085969 Full range planar magnetic microphone and arrays thereof |
12/27/2011 | US8085965 Condenser microphone |
12/21/2011 | CN102291655A 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 |
12/20/2011 | US8081789 Microphone holder and microphone device using same |
12/20/2011 | US8081782 Acoustic-electric transducer, electronic device, method, and computer program product |
12/14/2011 | CN102280101A 静铁芯及其该静铁芯的装配方法 Static core and the fixed iron core assembly method |
12/13/2011 | US8077903 Method and apparatus for controlling material vibration modes in polymer and paper high performance speaker diaphragms |
12/13/2011 | US8077900 Microphone and method for fabricating the same |
12/13/2011 | US8077899 Electronic device and process for mounting microphone therein |
12/08/2011 | US20110299717 Loudspeaker with replaceable motor assembly |
12/07/2011 | CN102271301A 一种扬声器 A speaker |
12/01/2011 | US20110293126 Microphone |
11/29/2011 | US8068635 Diaphragm with integrated acoustical and optical properties |
11/29/2011 | US8068632 Microphone and microphone hanger-hook |
11/24/2011 | US20110286619 Ribbon transducer with improved distortion characteristics |
11/22/2011 | US8064631 Electroacoustic transducer |
11/15/2011 | US8059857 Voice coil bobbin and speaker system |
11/10/2011 | US20110274308 Multifunctional micro speaker |
11/10/2011 | US20110274298 Mems microphone |
11/08/2011 | US8055005 Bluetooth earphone and lanyard structure thereof |
11/01/2011 | US8050445 Microspeaker and method of designing the same |
11/01/2011 | US8050443 Microphone and microphone mounting structure |
11/01/2011 | US8050144 Vertical geophone having improved distortion characteristics |
10/27/2011 | US20110261987 Condenser Microphone |
10/26/2011 | CN101044790B Apparatus for creating motion amplification in a transducer with improved linkage structure |
10/25/2011 | US8045746 Speaker device |
10/25/2011 | US8045745 Edge support for a speaker apparatus comprising multiple ridges |
10/20/2011 | US20110255728 Sound-transmitting membrane for microphone, sound-transmitting membrane member for microphone provided with the membrane, microphone, and electronic device provided with microphone |
10/19/2011 | CN1784928B Apparatus and method for generating acoustic energy in receiver assembly |
10/18/2011 | US8041071 Diaphragm and speaker device |
10/18/2011 | CA2387125C Vehicle accessory microphone |
10/13/2011 | WO2011125083A1 Electromechanical conversion system with moving magnets; acoustic diffuser comprising said system and a moving member that generates sound waves |
10/06/2011 | WO2011123266A1 Loudspeaker moment and torque balancing |
10/06/2011 | WO2011123265A1 Moving magnet levered loudspeaker |
10/06/2011 | US20110243370 Loudspeaker with magnetic elements fixedly provided on diaphragm |
10/05/2011 | CN102210166A Acoustic valve mechanisms |
10/04/2011 | US8031902 Loudspeaker |
09/29/2011 | US20110235829 Diaphragm and silicon condenser microphone using same |
09/28/2011 | CN102204278A Moving-magnet loudspeaker and method for manufacturing same |
09/27/2011 | US8027492 Armature for a receiver |
09/22/2011 | US20110228968 Loudspeaker device with sound enhancing structure |
09/21/2011 | CN102196343A Horn elastic wave with different hardness and manufacturing method thereof |
09/20/2011 | US8023686 Loudspeaker |
09/20/2011 | US8023668 System for predicting the behavior of a transducer |
09/15/2011 | US20110222717 Semiconductor device and microphone |
09/15/2011 | US20110222713 Condenser Microphone |
09/14/2011 | EP0956736B2 Electro-dynamic exciter |
09/14/2011 | CN102187689A Methods and apparatus for reduced distortion balanced armature devices |
09/13/2011 | US8019109 Microphone boom with adjustable wind noise suppression |
09/13/2011 | US8019101 Condenser microphone |
09/06/2011 | US8014546 EMI shielding for a microphone |
08/30/2011 | US8009857 Induction motor for loudspeaker |
08/30/2011 | US8009856 Speaker |
08/30/2011 | US8009855 Speaker |
08/30/2011 | US8009851 Noise reduction system and method |
08/25/2011 | US20110207588 Exercise device of an oscillation type |
08/25/2011 | US20110205057 Personal security backpack and method |
08/23/2011 | US8005207 Microphone coupler system for a communication device |
08/17/2011 | CN102158170A Drive mechanism |
08/09/2011 | US7995789 Electroacoustic transducer with resistance to shock-waves |
07/28/2011 | US20110182456 Boundary Microphone |
07/20/2011 | EP2345259A2 Acoustic valve mechanisms |
07/19/2011 | US7983432 Point excitation placement in an audio transducer |
07/19/2011 | US7983431 Bone conduction device and tympanum thereof |
07/14/2011 | US20110170729 Microphone |
07/14/2011 | US20110170727 Boundary Microphone |
07/12/2011 | US7978872 Driver for a speaker |
07/12/2011 | US7978869 Wireless microphone |
07/06/2011 | CN201893924U Electric horn |
07/05/2011 | US7974430 Microphone with dust-proof section |
07/05/2011 | US7974429 Wireless microphone |
06/30/2011 | US20110158451 Close-Talking Capacitor Microphone |
06/30/2011 | US20110158439 Silicon Microphone Transducer |
06/28/2011 | US7970815 Portable record and/or reproduce device, method of reproducing, and method of recording and reproducing |
06/28/2011 | US7970162 Loudspeaker bobbin interconnection assembly |
06/28/2011 | US7970161 Acoustic transducer having reduced thickness |
06/28/2011 | US7970160 Speaker apparatus |
06/22/2011 | CN201878324U Moving-iron type low frequency acoustical generator |
06/22/2011 | CN101166328B Hearing-aid compatible mobile wireless terminal using magnetic coil of vibration motor |
06/16/2011 | US20110142265 Capacitor microphone unit and capacitor microphone |
06/16/2011 | US20110142264 Condenser microphone and method for manufacturing the same |
06/16/2011 | US20110142261 MEMS Microphone with Programmable Sensitivity |
06/14/2011 | US7961902 Speaker apparatus and manufacturing method thereof |
06/09/2011 | US20110135139 Speaker device |
06/09/2011 | US20110135122 Microphone |
06/08/2011 | EP2329657A2 Methods and apparatus for reduced distortion balanced armature devices |
05/31/2011 | US7953241 Microphone assembly |
05/31/2011 | US7953240 Loudspeaker apparatus |
05/26/2011 | US20110123058 Composite microphone, microphone assembly and method of manufacturing those |
05/26/2011 | US20110123052 Microphone |
05/24/2011 | US7946379 Filter assembly |
05/19/2011 | US20110116671 Audio device comprising a microphone |
05/19/2011 | US20110116661 Shield case and mems microphone having it |
05/17/2011 | US7945069 Loudspeaker plastic cone body |
05/17/2011 | US7945062 Microelectromechanical microphone packaging system |
05/17/2011 | US7941909 Method of fabricating an ultra-small condenser microphone |
05/12/2011 | US20110110554 Low profile greeting card speaker |
05/12/2011 | US20110110551 Apparatus for Releasably Securing Wireless Communication Device to Head Gear |
05/12/2011 | US20110110550 Microphone with Variable Low Frequency Cutoff |
05/12/2011 | DE102009052129A1 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 |