Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type
Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
10/2012
10/03/2012CN102711025A Magnetic circuit system and loudspeaker thereof
10/03/2012CN102711024A Vibration system
10/03/2012CN102711023A Loudspeaker sound chamber space expanding method and audio output device
10/03/2012CN102711022A Magnetic circuit device for loudspeaker and combined magnetic circuit loudspeaker
10/03/2012CN102711021A Miniature sounding device
10/02/2012US8280096 Electrodynamic transducer, in particular of the loudspeaker type with ferrofluid suspension and related devices
10/02/2012US8280092 Voice sound input apparatus
10/02/2012US8280091 Dual compression drivers and phasing plugs for compression drivers
10/02/2012US8280080 Microcap acoustic transducer device
09/2012
09/26/2012CN202455531U Vibrating loudspeaker with fixing device
09/26/2012CN202455530U Micro-speaker
09/26/2012CN202455529U Loudspeaker
09/26/2012CN202455528U Thin-type loudspeaker
09/26/2012CN202455527U Novel irregular pin annunciator for automobile
09/26/2012CN202455526U Runway-shaped dual-chassis loudspeaker
09/26/2012CN102696238A Speaker and acoustic equipment including the speaker
09/26/2012CN101374370B Directly-drive ball top type loudspeaker
09/25/2012US8275159 Media playback apparatus having speakers with rotatable connecting means
09/20/2012DE102007002920B4 Verfahren zur Bestimmung der Membranengeschwindigkeit eines dynamischen Lautsprechers Method for determining the speed of a dynamic loudspeaker membrane
09/19/2012CN202444618U Small-caliber large-power loudspeaker with strong low frequency properties
09/19/2012CN202444617U Ultra-thin type loudspeaker
09/19/2012CN202444616U Vibration type audio driver
09/19/2012CN202444615U Ultrathin loudspeaker with single fixed hole
09/19/2012CN202444614U Electroacoustic energy loudspeaker
09/19/2012CN202444613U High-fidelity speaker device
09/19/2012CN202444612U T-shaped iron with copper bush
09/19/2012CN202444591U Waterproof loudspeaker
09/19/2012CN102687530A Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
09/19/2012CN102685654A Coaxial loudspeaker
09/19/2012CN102685653A Loudspeaker
09/19/2012CN102685652A Dome
09/19/2012CN102685651A Speaker apparatus
09/19/2012CN102685650A Electronic device
09/19/2012CN101448188B Novel shock-wave converter
09/18/2012US8270662 Loudspeakers, systems and components thereof
09/18/2012US8270597 Microphone assembly
09/18/2012CA2508326C Automatic digital music library builder
09/13/2012WO2012121591A1 Micro-converter, audio device and hearing aid
09/13/2012WO2012120806A1 Speaker and electronic apparatus using said speaker
09/13/2012US20120230522 Electroacoustic Sound Transducer
09/13/2012DE102011005292A1 Acoustic transducer for generating and receiving sound waves, has converting device, which is arranged for converting electrical signal into movement of movable element along moving direction
09/12/2012EP2498512A2 Speaker apparatus
09/12/2012CN202435603U Moving-coil dynamic loudspeaker
09/12/2012CN202435602U Sounder component
09/12/2012CN202435601U Sound-generating device
09/12/2012CN202435600U Volume-reduced bone conduction speaker actuator
09/12/2012CN202435599U Bone-conduction speaker device
09/12/2012CN202435598U Bone conduction loudspeaker and compound vibration device thereof
09/12/2012CN202435597U Sounder
09/12/2012CN202435596U Voice coil
09/12/2012CN202435595U High-power loudspeaker
09/12/2012CN202435594U Sounding device
09/12/2012CN202435593U Vibration conducting piece device of bone conduction speaker
09/12/2012CN202435592U Sound production device
09/12/2012CN102665160A Lead spot welding tooling and line spot welding method for sound films of loudspeakers
09/11/2012US8265331 Earpiece for communications
09/11/2012US8265317 Electronic device
09/07/2012WO2012117663A1 Frame for speaker, speaker using same, and electronic apparatus and mobile device using speaker
09/05/2012EP2495994A1 Ribbon transducer provided with dynamic tensioning system.
09/05/2012CN202425035U Direct-current electromagnetic-excited sound production device
09/05/2012CN202425034U Miniature moving coil type sounder
09/05/2012CN202425033U Electroacoustic transducer
09/05/2012CN202425032U Loudspeaker integrated system
09/05/2012CN202425031U Electroacoustic transducer
09/05/2012CN202425030U Loudspeaker
09/05/2012CN202425029U Sound production device
09/05/2012CN202425028U Novel loudspeaker
09/05/2012CN202425027U Novel electric loudspeaker
09/05/2012CN202425026U Sound production device
09/05/2012CN202425025U New type voice coil
09/05/2012CN202425024U Magnetic circuit system of electro-acoustic transducer
09/05/2012CN202425023U Bi-directional electromagnetic microphone
09/05/2012CN202425022U Acoustic generator
09/05/2012CN1973574B Magnetic suspension transducer
09/05/2012CN102655626A Audio digital interface powered multimedia acoustic system
09/05/2012CN102655621A Opened type loudspeaker device
09/05/2012CN101511048B Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system
09/05/2012CN101365265B Transducer manufacturing method and transducer obtained by the method
09/05/2012CN101128069B Ferrofluid centered voice coil speaker
09/05/2012CN101031162B Speaker apparatus
09/04/2012US8259980 Pivotal speaker tweeter
09/04/2012US8259978 Sound box and portable electronic device using the same
08/2012
08/30/2012WO2012115158A1 Speaker device
08/30/2012WO2012114377A1 Vibration unit
08/30/2012WO2012114376A1 Vibration unit
08/30/2012WO2012113281A1 Suspension system for moving-coil loudspeaker
08/30/2012WO2009019331A3 Electronic component with three associated functions
08/29/2012CN202406288U Sound speaker device having enhanced bass effect
08/29/2012CN202406287U Ultrathin sound box
08/29/2012CN202406286U Dual drive double balance radiation type loudspeaker
08/29/2012CN202406285U MEMS microphone
08/29/2012CN1943270B Speaker device
08/29/2012CN1930912B Loudspeaker
08/29/2012CN102651841A Multi-ribbon parallel ribbon loudspeaker
08/29/2012CN102651840A Loudspeaker
08/29/2012CN102651839A Loudspeaker
08/29/2012CN102651838A Moving-coil loudspeaker
08/29/2012CN102651837A Loudspeaker bracket
08/29/2012CN101674517B Acoustic generating device
08/28/2012US8254618 Microphone
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