| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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| 04/17/2013 | CN103052005A Thinned vibrating diaphragm, preparation method for thinned vibrating diaphragm, and moving iron unit with thinned vibrating diaphragm |
| 04/17/2013 | CN103051996A Bone conduction receiver with integrated diaphragm |
| 04/11/2013 | WO2013051328A1 Piezoelectric vibration device and portable terminal using same |
| 04/11/2013 | WO2013002499A3 Flat-type speaker having n magnets and n+1 voice coil plates |
| 04/11/2013 | US20130089232 Voice film of multi-layered structure for flat type speaker |
| 04/11/2013 | DE102011084168A1 Bending wave loudspeaker installed in e.g. electrically propelled motor vehicle, has bending wave diaphragm that is provided with porous sound absorption layer having porosity of preset range, and which is vibrated by excitation device |
| 04/10/2013 | EP2577993A2 System for vibration confinement |
| 04/10/2013 | EP2577992A1 Acoustic loudspeaker |
| 04/10/2013 | CN202873042U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873041U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873040U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873039U Composite diaphragm and loudspeaker applying the same |
| 04/10/2013 | CN202873038U Composite vibration diaphragm and loudspeaker using same |
| 04/10/2013 | CN202873037U Composite diaphragm and loudspeaker applying the same |
| 04/10/2013 | CN202873036U Combined vibrating?diaphragm of diaphragm type horn |
| 04/10/2013 | CN101790890B Vibration plate and speaker |
| 04/10/2013 | CN101300304B Polyarylene sulfide film |
| 04/04/2013 | WO2013049794A1 Electrically conductive membrane transducer and methods to make and use same |
| 04/04/2013 | WO2013047792A1 Speaker, manufacturing method thereof, and drive unit thereof |
| 04/04/2013 | WO2013047017A1 Electrodynamic exciter |
| 04/04/2013 | WO2013046909A1 Piezoelectric vibration device and mobile terminal using same |
| 04/04/2013 | WO2013046355A1 Electromotive type sound emitter |
| 04/04/2013 | WO2013044909A1 Diaphragm arrangement for generating sound |
| 04/03/2013 | CN202856970U Piezoelectric type low-energy wideband attention device for automobiles |
| 04/03/2013 | CN202856948U Earphone speaker |
| 04/03/2013 | CN103026737A System for vibration confinement |
| 04/03/2013 | CN103024635A Super-elastic alloy diaphragm loudspeaker |
| 04/02/2013 | US8411894 Transducer with deformable corner |
| 04/02/2013 | CA2521083C System for the projection of cinematographic works or digital works with sound |
| 03/28/2013 | WO2013042316A1 Directional loudspeaker |
| 03/27/2013 | EP2572518A1 Loudspeaker |
| 03/27/2013 | DE202013101179U1 Eine flache Lautsprecher-Konstruktion mit Vibrationseffekt A flat speaker design with vibration effect |
| 03/27/2013 | CN202841518U MEMS (micro electro mechanical systems) microphone wiring board |
| 03/27/2013 | CN202841495U Titanium sound film |
| 03/27/2013 | CN103004182A Apparatus and method for sound reproduction |
| 03/27/2013 | CN101836464B Electromagnetic converter |
| 03/27/2013 | CN101291548B Speaker surround structure for maximizing cone diameter |
| 03/27/2013 | CN101103651B 带涂层的扬声器圆顶 Coated dome speaker |
| 03/20/2013 | EP2571287A2 Keyboard instrument |
| 03/20/2013 | EP2571020A2 Keyboard instrument |
| 03/20/2013 | EP2571016A2 Keyboard instrument |
| 03/20/2013 | CN202818581U Rubber corrugated ring and board sound basin for loudspeaker |
| 03/20/2013 | CN102984632A Acoustic transducers with perforated membranes |
| 03/20/2013 | CN101257734B 活动衔铁接收器 Activities armature receivers |
| 03/19/2013 | US8397861 Diaphragm surround |
| 03/13/2013 | CN202799102U Sound producing device |
| 03/13/2013 | CN202799101U Composite diaphragm of loudspeaker |
| 03/13/2013 | CN101601308B Speaker motor and speaker |
| 03/12/2013 | US8396240 Baffle vibration reducing |
| 03/07/2013 | US20130056297 Diaphragm of mems electroacoustic transducer |
| 03/07/2013 | US20130056296 Mass loading for piston loudspeakers |
| 03/06/2013 | EP2564602A1 Loudspeaker and diaphragm therefor |
| 03/06/2013 | CN202773037U Waterproof electronic product |
| 03/06/2013 | CN202764315U Micro electroacoustic transducer |
| 03/06/2013 | CN102959988A Acoustic generator |
| 03/06/2013 | CN102959985A Speaker component, speaker using same, electronic apparatus, and moving means |
| 03/06/2013 | CN102959984A Loudspeaker and diaphragm therefor |
| 03/06/2013 | CN101883305B Diaphragm and silicon-based microphone employing diaphragm |
| 02/27/2013 | EP2561677A1 An apparatus and associated methods |
| 02/27/2013 | CN102948170A Electrodynamic speaker structure having mems technology |
| 02/27/2013 | CN102946579A Vibration material, dummy sensibility generator, sensibility controlled module and vibration film |
| 02/20/2013 | EP2560409A1 Speaker, hearing aid, inner ear headphone, mobile information processing device, and av device |
| 02/20/2013 | CN202750224U Loudspeaker |
| 02/14/2013 | WO2013021455A1 Electrodynamic sound-emitting body |
| 02/14/2013 | US20130039515 Speaker component, speaker using same, electronic apparatus, and moving means |
| 02/14/2013 | US20130037342 Electromagnetic Linear Actuators for Marine Acoustic Vibratory Sources |
| 02/13/2013 | EP2556662A1 Apparatus and method for sound reproduction |
| 02/13/2013 | CN202738101U Thin electrostatic loudspeaker |
| 02/13/2013 | CN202738090U Stone paper vibration board |
| 02/07/2013 | WO2013017172A1 Implantable hearing actuator with two membranes and an output coupler |
| 02/07/2013 | DE202012105049U1 Sanitärwannenanordnung mit einem Schallerzeugungssystem When sanitary arrangement with a sound generating system |
| 02/06/2013 | CN102917296A Loudspeaker for front car door |
| 02/06/2013 | CN101036415B Loud speaker arrangement in a motor vehicle |
| 02/05/2013 | US8369547 Enclosure for a communication device |
| 02/05/2013 | US8368738 Joining users to a conferencing session |
| 01/31/2013 | WO2013015107A1 Piezoelectric excitor |
| 01/31/2013 | DE102012000499B4 Schallwandler, nämlich Air-Motion-Transformer Transducers, namely Air Motion Transformer |
| 01/31/2013 | DE102011080125A1 Kapazitiver Schallwandler mit Faserverstärkung Capacitive transducers with fiber reinforcement |
| 01/30/2013 | CN202713585U Composite diaphragm and mini-sized sounder comprising the same |
| 01/24/2013 | WO2013011699A1 Self-resonating sound emitting speaker and method for installing self-resonating sound emitting speaker |
| 01/23/2013 | EP2549776A1 Speaker, hearing aid, earphone, and portable terminal device |
| 01/17/2013 | WO2013009991A1 Voice coil former stiffener |
| 01/17/2013 | WO2012157888A3 High output micro speaker |
| 01/16/2013 | CN202679605U Novel loudspeaker |
| 01/16/2013 | CN202679596U Mid-sonic horn and tweeter ceramic diaphragm construction |
| 01/16/2013 | CN202679595U Electroacoustic conversion device |
| 01/16/2013 | CN202679594U Vibration plate for speaker |
| 01/16/2013 | CN202679593U Composite sound film structure |
| 01/16/2013 | CN102884813A Electrodynamic transducer having a dome and a buoyant hanging part |
| 01/16/2013 | CN102884812A Loudspeaker |
| 01/16/2013 | CN102884811A Electrodynamic transducer having a dome and an inner hanging part |
| 01/16/2013 | CN102884810A Speaker and electronic apparatus using said speaker |
| 01/16/2013 | CN102883248A Diaphragm and miniature electroacoustic transducer comprising same |
| 01/16/2013 | CN101213870B Vibrating plate for speaker, dust cap for speaker, subcone for speaker, and speaker using them, and electronic equipment using the speaker |
| 01/10/2013 | WO2013005321A1 Speaker system |
| 01/03/2013 | WO2013002384A1 Acoustic generator and acoustic generation device using same |
| 01/02/2013 | EP2541972A1 Piezoelectric acoustic transducer |
| 01/02/2013 | EP2540096A1 High power low frequency transducers and method of assembly |
| 01/02/2013 | EP2540095A1 Mass loading for piston loudspeakers |
| 01/02/2013 | CN202652528U Improved type loudspeaker vibration film plate |