Patents for H04R 1 - Details of transducers (42,173)
04/2011
04/06/2011CN201789604U Miniature sound box with changeable volume
04/06/2011CN201789603U Sound set fixing and assembling structure
04/06/2011CN201789596U Wireless audio transmission system
04/06/2011CN1934302B Woven or knitted fabric, diaphragm for speaker, and speaker
04/06/2011CN1910953B Speaker apparatus
04/06/2011CN1788523B Headphones with cord take-up device
04/06/2011CN1620190B Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system
04/06/2011CN102007778A Directing sound field of actuator
04/06/2011CN102006536A Sound source adapter, earphone and sound box
04/06/2011CN102006535A Packaging structure for vector hydrophone
04/06/2011CN102006534A Directivity optimization method for loudspeaker array
04/06/2011CN102006533A Earphone
04/06/2011CN102006532A Power supply equipment, processing chip for digital microphone and digital microphone
04/06/2011CN102006531A Loudspeaker box structure
04/06/2011CN102006530A Vehicle-mounted audio capable of internet access
04/06/2011CN102006529A Acoustical phase inverter
04/06/2011CN102006528A Earphone device
04/06/2011CN102005240A Wire-winding type player
04/06/2011CN101591752B Steel for cup-shaped iron core of loudspeaker and production method thereof
04/05/2011US7920902 Mobile personal audio device
04/05/2011US7920710 Loudspeaker apparatus
03/2011
03/31/2011WO2011037777A2 Wirelessly powered speaker
03/31/2011WO2011035746A1 Electroacoustic transducer
03/31/2011WO2011035570A1 Intelligent microphone
03/31/2011US20110075880 Speaker damper and speaker including the same
03/31/2011US20110075879 Piezoelectric micro speaker with curved lead wires and method of manufacturing the same
03/31/2011US20110075878 Bobbin and loudspeaker using the same cross-reference to related applications
03/31/2011US20110075877 Portable sound box
03/31/2011US20110075874 Waterproof Speakers and Audio System
03/31/2011US20110075873 Electronic device
03/31/2011DE3934747A1 Acoustic antenna for use in buoy of sonar system for detecting sound wave of certain wavelength, comprises multiple hydrophones, which are provided with directivity
03/31/2011DE3833272B3 Unfolding cylindrical sonar for use in helicopter, comprises cylindrical body, and group of arms linked to body, where arm is fixed to end of bars, and is assembled against body in unfolding manner
03/31/2011DE3319912A1 Cylindrical sonar antenna for sending and receiving acoustic waves in sea for detection of e.g. submerged ships, has elastic tube embedded parallel to transducers and made of elastomeric material
03/31/2011DE202011000262U1 Beschallungssystem Sound system
03/31/2011DE102009039889A1 Detection device for language in motor vehicle, has microphone arrangement and evaluation unit for processing speech signal
03/30/2011EP2301257A1 Hearing protector
03/30/2011EP1510103B1 Headset
03/30/2011CN201781615U Electret microphone
03/30/2011CN201781608U Coaxial horn structure
03/30/2011CN201781607U Desktop speaker
03/30/2011CN201781606U Multilayer rotating sound box
03/30/2011CN201781605U Earring-type earphones
03/30/2011CN201781604U Earphone wire box
03/30/2011CN201781603U Ceramic video/audio terminal with high sound quality
03/30/2011CN201781602U Device for preventing earphone from sliding and falling
03/30/2011CN201781601U Sound pipe component, in-ear earphone and audio player
03/30/2011CN201781600U Disturbance-free reading device
03/30/2011CN201781599U Novel headphone rapid folding line
03/30/2011CN201781598U Earphone and adjustable loop thereof
03/30/2011CN201781597U Radio microphone
03/30/2011CN201781596U Ear hook type microphone
03/30/2011CN201781595U Transistor microphone
03/30/2011CN201781594U Tumbler mini speaker
03/30/2011CN201781593U Tornado sound box
03/30/2011CN201781592U Upright toy loudspeaker
03/30/2011CN201781591U Triply-safe falling-proof device for suspension sound box bracket
03/30/2011CN201781590U Base for sound box of flat video product
03/30/2011CN201780727U Suspension structure of earphones of display
03/30/2011CN1910958B Device having a point and a spatial sound generating-means for providing stereo sound sensation over a large area
03/30/2011CN101998753A Circuit board and manufacturing method thereof
03/30/2011CN101998752A Circuit board structure and manufacturing method thereof
03/30/2011CN101998751A Circuit board and manufacturing method thereof
03/30/2011CN101998201A Folding cover plate broadband underwater transducer
03/30/2011CN101998200A Earphone line and earphone with same
03/30/2011CN101998199A Earphone
03/30/2011CN101998198A In-canal type earphones
03/30/2011CN101998197A Hearing health-care earphone
03/30/2011CN101998196A Hearing health care telephone traffic headset
03/30/2011CN101998195A Communication device and microphone fixing seat thereof
03/30/2011CN101996706A Earphone cord and earphone with same
03/30/2011CN101212838B Sound box structure and mobile electronic device employing the sound box structure
03/29/2011US7917082 Method and apparatus for creating and managing clusters of mobile audio devices
03/29/2011US7916890 Ultra low frequency transducer and loud speaker comprising same
03/29/2011US7916889 Electronic apparatus
03/29/2011US7916887 Wind-shielded acoustic sensor
03/29/2011US7916884 External ear insert for hearing comprehension enhancement
03/29/2011US7916877 Modular interunit transmitter-receiver for a portable audio device
03/29/2011US7913807 Vehicle door structure
03/29/2011US7913561 Ultrasonic wave vibrating apparatus
03/28/2011CA2680896A1 Attachment apparatus for studio equipment and the like
03/24/2011WO2011035061A1 Multi-modal audio system with automatic usage mode detection and configuration compatibility
03/24/2011WO2011033384A1 Means for causing luminaires to act as an audio transmission and support means
03/24/2011WO2011032343A1 Audio player
03/24/2011US20110069860 Damper and loudspeaker using the same
03/24/2011US20110069858 Electronic device
03/24/2011US20110069857 Coaxial speaker system with improved transition between individual speakers
03/24/2011US20110069856 Modular Acoustic Horns and Horn Arrays
03/24/2011US20110069855 Electronic apparatus
03/24/2011US20110069848 Speaker with Acoustic Damped Port
03/24/2011DE202010015497U1 Mikrofonanordnung Microphone array
03/24/2011DE102009041552A1 Loudspeaker box for sound equipment of motor vehicle, has transducer, where sound produced by transducer blasts in interior of motor vehicle
03/24/2011CA2774534A1 Multi-modal audio system with automatic usage mode detection and configuration capability
03/23/2011EP2299731A1 A listening device with a rechargeable energy source adapted for being charged through an ite-unit or a connector connectable to a bte-unit
03/23/2011EP2299730A1 Earphone
03/23/2011EP2297929A1 Headset cord holder
03/23/2011CN201774674U Combined sound box
03/23/2011CN201774660U New type sound box
03/23/2011CN201774659U Micro loudspeaker array module with phase reversal hole
03/23/2011CN201774658U Magnetic connected earphone
03/23/2011CN201774657U 换能器 Transducer