| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/11/2011 | US7869610 Balanced armature bone conduction shaker |
| 01/11/2011 | US7869195 Integrated personal media player and portable DVD/CD player |
| 01/06/2011 | WO2011002135A1 Tuner for adjusting acoustic compliance, and microspeaker using same |
| 01/06/2011 | WO2011001405A1 Transducer with resonant cavity |
| 01/06/2011 | WO2011001195A1 Temperature compensated microphone |
| 01/06/2011 | WO2011001158A1 Actuator |
| 01/06/2011 | WO2011001016A1 An apparatus and method for improving low frequency response in a loudspeaker |
| 01/06/2011 | WO2011001012A1 Controllable acoustic transducer |
| 01/06/2011 | WO2011001011A1 Processing of an electrical output signal from a loudspeaker |
| 01/06/2011 | WO2010123568A3 Splash proof acoustically resistive cover assembly |
| 01/06/2011 | WO2010104347A3 Ceiling-embedded-type housing |
| 01/06/2011 | US20110002501 Flat Panel Loudspeaker System |
| 01/06/2011 | US20110002500 Apparatus for controlling movement of oled and cone paper of visual speaker |
| 01/06/2011 | US20110002499 Frame earhook |
| 01/06/2011 | US20110002498 In-ear headphone and headset |
| 01/06/2011 | US20110002496 Headset loop antenna for audio devices |
| 01/06/2011 | US20110002494 Housing for an Electrically Operated Device |
| 01/06/2011 | US20110002478 Headset |
| 01/06/2011 | US20110000739 Shippable speaker box |
| 01/06/2011 | CA2766938A1 Actuator |
| 01/05/2011 | EP2271135A2 Condenser microphone |
| 01/05/2011 | EP2271132A2 Acoustic transducer |
| 01/05/2011 | EP2271129A1 Transducer with resonant cavity |
| 01/05/2011 | EP2269384A1 Directing sound field of actuator |
| 01/05/2011 | EP2269383A2 An electrical system for a speaker and its control |
| 01/05/2011 | EP2269382A1 Composite microphone, microphone assembly and method of manufacturing those |
| 01/05/2011 | EP1631114B1 Array speaker system |
| 01/05/2011 | DE202010014571U1 Gerät zur Schwingungsabsorbtion Apparatus for vibration absorption |
| 01/05/2011 | DE102006027185B4 Elektrokabel mit balancierter Stromdichteverteilung in den Leitern Electric cable with balanced current density distribution in the conductors |
| 01/05/2011 | CN201699982U Sound equipment |
| 01/05/2011 | CN201699979U Earplug and hearing-aid |
| 01/05/2011 | CN201699949U Waterproof sound conduction structure |
| 01/05/2011 | CN201699948U Loudspeaker cone concentric corrugated ring |
| 01/05/2011 | CN201699947U Movable horn module and related portable electronic device thereof |
| 01/05/2011 | CN201699946U Sleep-assisting earphone |
| 01/05/2011 | CN201699945U Earphone wire capable of being fixed on clothing |
| 01/05/2011 | CN201699944U Ear stud type earphone |
| 01/05/2011 | CN201699943U Earphone controller |
| 01/05/2011 | CN201699942U Earphone |
| 01/05/2011 | CN201699941U Switching device of mobile phone headset plug and common headset |
| 01/05/2011 | CN201699940U Earphone plug |
| 01/05/2011 | CN201699939U Earphone with external loudspeaker |
| 01/05/2011 | CN201699938U Novel durable earphones |
| 01/05/2011 | CN201699937U Earphone |
| 01/05/2011 | CN201699936U Colorful flashing light earphone with USB interface |
| 01/05/2011 | CN201699935U USB interface earphone with touch control unit |
| 01/05/2011 | CN201699934U Plug-in earphone of connecting wire |
| 01/05/2011 | CN201699933U 耳机 Headphone |
| 01/05/2011 | CN201699932U Telephone receiver bracket with T-shaped iron and magnetic steel |
| 01/05/2011 | CN201699931U Elastic trip support with positioning holes |
| 01/05/2011 | CN201699930U Telephone receiver bracket with identical left and right elastic sheets |
| 01/05/2011 | CN201699929U Tape earphone |
| 01/05/2011 | CN201699928U Retractable earphone |
| 01/05/2011 | CN201699927U Combination of earphones and earphone sheaths for relieving fatigue |
| 01/05/2011 | CN201699926U Earphone wire receiving device, earphone assembly and mobile terminal |
| 01/05/2011 | CN201699925U Pin |
| 01/05/2011 | CN201699924U Microelectromechanical microphone bearing module |
| 01/05/2011 | CN201699923U Microphone skeleton |
| 01/05/2011 | CN201699922U Playing loudspeaker box to be rented for funeral |
| 01/05/2011 | CN201699921U Miniature sound box casing mounting structure |
| 01/05/2011 | CN201699920U 便携式小音箱 Portable Mini Speaker |
| 01/05/2011 | CN201699919U Sound box with adjustable back sound cavity for portable electronic device |
| 01/05/2011 | CN201699918U Sound box bracket with lifting mechanism |
| 01/05/2011 | CN201699917U Micro-sounder wiring device |
| 01/05/2011 | CN201699916U Horn box |
| 01/05/2011 | CN201699915U Novel mini-sound box |
| 01/05/2011 | CN201699914U Sound box with integrated curved wooden rear box body |
| 01/05/2011 | CN201699913U Modified hitch earphone structure |
| 01/05/2011 | CN201699912U Picture frame type loudspeaker |
| 01/05/2011 | CN201699911U Simulative animal sound box |
| 01/05/2011 | CN201699910U Intelligent household player |
| 01/05/2011 | CN201699909U Installation structure for loudspeaker of split wall-hanging type air conditioner |
| 01/05/2011 | CN201699908U Portable loudspeaker box of cutting surfaces |
| 01/05/2011 | CN201699907U Embedded wall sound box |
| 01/05/2011 | CN201699859U TV set capable of directionally sounding |
| 01/05/2011 | CN201699774U 通信装置 Communication device |
| 01/05/2011 | CN201699772U Slide mobile terminal and sound cavity thereof |
| 01/05/2011 | CN1579082B Cellular phone that exposes the user's brain to much less microwave radiation |
| 01/05/2011 | CN101940004A Optical ultrasonic microphone |
| 01/05/2011 | CN101940002A Microphone unit |
| 01/05/2011 | CN101940001A Microphone unit |
| 01/05/2011 | CN101940000A Vibration pickup microphone |
| 01/05/2011 | CN101939973A An assembly for a sound reproduction apparatus included with a communications apparatus and a method of using the assembly |
| 01/05/2011 | CN101938682A Micro-electromechanical system microphone |
| 01/05/2011 | CN101938681A Speaker with audio cavity |
| 01/05/2011 | CN101938680A Wire control earphone |
| 01/05/2011 | CN101938679A Spherical earpiece plugs |
| 01/05/2011 | CN101938678A Car audio |
| 01/05/2011 | CN101938564A Electronic device with Bluetooth earphone |
| 01/05/2011 | CN101938542A Sounding body unit for preventing occurrence of abnormal sounds |
| 01/05/2011 | CN101934617A Wideband underwater acoustic absorption and transmission material and preparation method thereof |
| 01/04/2011 | US7865137 Music distribution system for mobile audio player devices |
| 01/04/2011 | US7864977 Voice coil assembly and loudspeaker using the same |
| 01/04/2011 | US7864976 Speaker |
| 01/04/2011 | US7864974 Earphone device integrated with microphone |
| 01/04/2011 | US7861821 Acoustically transmissive blanket system |
| 01/04/2011 | CA2444447C Ear warming article including electronic device |
| 12/30/2010 | US20100329503 Voice coil and transducer having the voice coil |
| 12/30/2010 | US20100329500 Wired control of earphone |
| 12/30/2010 | US20100329498 Apparatus and method |