Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
04/2014
04/09/2014CN102395090B Method for preparing magnetically-driven piston type low-frequency speaker system and magnetically-driven piston type low-frequency speaker system
04/09/2014CN102395089B Manufacturing method of magnetic drive type loudspeaker and magnetic drive type loudspeaker
04/08/2014US8693723 Single magnet coaxial loudspeaker
04/03/2014WO2014051330A1 Speaker frame and speaker having the same
04/03/2014DE102005052679B4 Folile für einen Jet-Hochtonlautsprecher nach dem Air-Motion Prinzip Foil stamping for a jet tweeter according to the Air Motion principle
04/02/2014CN203523037U Loudspeaker
04/02/2014CN203523036U Minitype loudspeaker
04/02/2014CN203523035U Expansion type loudspeaker
04/02/2014CN203523034U Resonance loudspeaker
04/02/2014CN203523033U Loudspeaker
04/02/2014CN203523032U Loudspeaker having heat radiation function and damping function
04/02/2014CN203523031U Flash-mode loudspeaker
04/02/2014CN203523030U Voice coil reinforcing paper tube with metal foil
04/02/2014CN203523029U TV speaker elastic wave
04/02/2014CN103702267A Loudspeaker
04/02/2014CN103700463A Permanent magnet for loudspeaker and processing technology thereof
04/02/2014CN102378090B Miniature loudspeaker magnetic circuit and miniature loudspeaker employing the miniature loudspeaker magnetic circuit
04/01/2014US8687837 Electroacoustic transducer
03/2014
03/27/2014WO2014045070A1 Coaxial loudspeaker arrangement
03/26/2014EP2712209A1 Method and apparatus for computing metric values for loudspeaker protection
03/26/2014CN203504749U Dynamic loudspeaker
03/26/2014CN203504748U Marine horn loudspeaker
03/26/2014CN203504747U Marine indoor alarm loudspeaker
03/26/2014CN203504746U Marine wall-mounted loudspeaker
03/26/2014CN203504745U Step-type voice coil and sounder employing voice coil
03/26/2014CN203504744U Audio cavity structure using loudspeaker to emit supersonic waves
03/26/2014CN203504743U Minisize electroacoustic device employing elastic sheets with inverted buckles
03/26/2014CN203504742U Reinforcing paper tube of voice coil
03/26/2014CN103686558A Loudspeaker
03/26/2014CN103686557A Electroacoustic transducer
03/26/2014CN103686556A Miniature loudspeaker module group and method for enhancing frequency response of miniature loudspeaker module group, and electronic device
03/26/2014CN103686555A Miniature loudspeaker module group and method for enhancing frequency response of miniature loudspeaker module group, and electronic device
03/26/2014CN103686554A Double suspension side loudspeaker
03/26/2014CN103686553A Loudspeaker structure
03/26/2014CN103686552A Sound amplification device and portable electronic device employing same
03/26/2014CN103686551A Sound producing device
03/26/2014CN103686550A Loudspeaker module group
03/26/2014CN103686549A Suspension for high-power micro speaker and high-power micro speaker with suspension
03/26/2014CN101771910B Earphone device and sound generating apparatus equipped with the same
03/25/2014US8682022 Loudspeaker
03/25/2014US8682020 Speaker magnet thermal management
03/25/2014US8682019 Unidirectional microphone
03/25/2014US8682018 Microphone array with rear venting
03/25/2014US8682007 Condenser microphone unit
03/25/2014US8682003 Equipment with optical paths for noise cancellation signals
03/25/2014US8677616 Method for production of electrical conductors
03/20/2014US20140079258 Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker
03/19/2014EP2709382A2 Flat-panel speaker having a multilayer pcb pattern voice coil film
03/19/2014EP2709381A2 High output micro speaker
03/19/2014CN203492196U Loudspeaker vibration system
03/19/2014CN203492195U Loudspeaker module
03/19/2014CN203492194U Loudspeaker vibration system
03/19/2014CN203492193U Microelectronic loudspeaker
03/19/2014CN203492192U Thin horn structure
03/19/2014CN203492191U High heat radiation T-iron
03/19/2014CN203492190U Loudspeaker magnetic circuit system
03/19/2014CN103650530A Device for emitting an acoustic wave
03/19/2014CN103648074A Micro-current automatic control contactless electronic waterproof horn of motor vehicle
03/19/2014CN103648073A Flat-membrane-structured micro loudspeaker
03/19/2014CN103648072A Voice coil assembly, loudspeaker using the same, and method for producing the same
03/19/2014CN103648071A Speaker, video device, and mobile information processing device
03/18/2014US8675908 Low cost programmable sound recording and playback device and method for communicating with, and recharging of, the device
03/14/2014CA2826540A1 Mating portable speaker with protected connector
03/14/2014CA2826475A1 Multiple-orientation, free-standing, portable speaker
03/13/2014WO2014038102A1 Speaker
03/13/2014WO2014036646A1 Noise mitigating microphone attachment
03/13/2014DE112008000003B4 Lautsprecher Speaker
03/12/2014EP2705673A1 Electromagnetic drive unit
03/12/2014CN203482387U Adjustable electroacoustic medium transmitter
03/12/2014CN203482386U Speech coil framework prepared from aluminum foil compound glass fiber material
03/12/2014CN203482385U Voice coil framework using polyimide copper plating material
03/12/2014CN203482384U Sounder
03/12/2014CN103636232A Speaker, and electronic device and moving body device using same
03/12/2014CN103634727A Speakers, headphones, and kits related to vibrations in an audio system, and methods for forming same
03/12/2014CN102291653B Vehicle presence notification apparatus
03/12/2014CN102273231B Multifunctional microspeaker
03/12/2014CN102246538B Flat audio transformation device
03/12/2014CN102196342B Loudspeaker designed to have motor with reversed structure
03/12/2014CN102196341B Loudspeaker module of portable computer
03/12/2014CN102143417B Ultrathin power-driven woofer
03/12/2014CN102067627B Improved acoustic device
03/06/2014WO2014036567A1 An improved transducer and method of operation
03/06/2014WO2014036394A1 Wrist band and other portable loudspeakers and electronic apparatus utilizing same
03/06/2014WO2014034599A1 Stopper structure for multifunction vibration actuator
03/06/2014WO2014034352A1 Voice coil speaker
03/06/2014US20140064545 Systems and methods for enhancing performance of a microphone
03/06/2014US20140064537 Directed audio
03/05/2014EP2702774A1 Hand-held electronic device and/or cover for a hand-held electronic device
03/05/2014CN203466968U Integral-type fast-assembling basin-stand coaxial automobile loudspeaker of integrated acoustic splitter
03/05/2014CN203466967U High and low temperature resistance type loudspeaker lead structure
03/05/2014CN103621108A Speaker unit
03/05/2014CN103618984A Loudspeaker module and manufacturing method thereof
03/04/2014US8666524 Portable music player and transmitter
03/04/2014US8666104 Lighting and audio communication system
03/04/2014US8666103 Waterproof pillow with audio unit
02/2014
02/27/2014WO2014030861A1 Acoustic conversion device capable of selecting speaker or receiver function
02/27/2014WO2014029153A1 Resonance loudspeaker
02/27/2014US20140056467 Loudspeaker and electronic equipment including the loudspeaker
02/27/2014US20140056466 Loudspeaker driver with dual electromagnet assemblies
02/27/2014US20140056465 Speaker
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