Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
11/2012
11/08/2012DE112009003496T5 Headset Headset
11/08/2012DE102011113603A1 Arrangement of loudspeaker mounted in housing or holding device, has monopole speaker which receives back closed volume, and dipole speaker makes back radiated sound to arrive into listening room
11/08/2012DE102011050868A1 Kopfhörer für multiple Schallrichtungen Headphones for multiple sound directions
11/07/2012EP2521375A1 Loudspeaker with port comprising a particle filter
11/07/2012EP2521242A1 Base station, wireless headset and headband thereto.
11/07/2012EP2519831A1 Method and system for determining the direction between a detection point and an acoustic source
11/07/2012CN202524546U High-directivity microphone
11/07/2012CN202524545U Voice-recognition-control sound box
11/07/2012CN202524544U Variable frequency electronic horn
11/07/2012CN202524543U Earphone supporting frame
11/07/2012CN202524542U Intelligent earphone
11/07/2012CN202524541U Clean type earphone bobbin winder
11/07/2012CN202524540U Sport headphone
11/07/2012CN202524539U Bluetooth device with function of capacitive touch control pen
11/07/2012CN202524538U Pressure reduction earphone
11/07/2012CN202524537U Novel earphone protection box
11/07/2012CN202524536U Stowable earphone
11/07/2012CN202524535U Anti-winding earphone and audio playing system
11/07/2012CN202524534U Earphone capable of winding up
11/07/2012CN202524533U Headphone amplifier
11/07/2012CN202524532U High and low pitch path earphone
11/07/2012CN202524531U Novel automatic control microphone
11/07/2012CN202524530U Multifunctional communication speaker
11/07/2012CN202524529U Stage loudspeaker trumpet basin frame
11/07/2012CN202524528U Specially-shaped sound box
11/07/2012CN202524527U Soundbox support structure
11/07/2012CN202524526U Horn shell fixed connection structure of horn shell
11/07/2012CN202524525U Temperature-sensitive color-changing loudspeaker screen
11/07/2012CN202524524U Shining loudspeaker screen
11/07/2012CN202524523U Sucked-type loudspeaker box
11/07/2012CN102771140A High directivity boundary microphone
11/07/2012CN102771139A Drive unit mounting arrangement and loudspeaker
11/07/2012CN102769812A Sounding bracket and multimedia player component
11/07/2012CN102769811A Bluetooth headset integrating NFC (Near Field Communication) reading and writing functions
11/07/2012CN102769810A Mobile terminal with a calling misoperation preventive function
11/07/2012CN102769809A Multifunctional audio/video integration active play system
11/07/2012CN102769808A Loudspeaker for portable equipment
11/07/2012CN101646111B Loudspeaker mounting structure
11/07/2012CN101616346B Horn mesh enclosure
11/07/2012CN101480064B Sound generating/collecting device
11/07/2012CN101431704B Earphone device
11/06/2012US8306578 Distributed sound enhancement
11/06/2012US8306429 Optical ultrasonic microphone
11/06/2012US8306254 Recessed and rotatable spa speaker system
11/06/2012US8306243 Audio device
11/06/2012US8306242 Heyser spiral low frequency correction of FIR filters
11/06/2012US8306238 Method and circuit for controlling an output of an audio signal of a battery-powered device
11/06/2012US8302917 Bracket
11/01/2012WO2012147993A1 Conference device
11/01/2012WO2012146922A1 Earphone apparatus
11/01/2012WO2012145969A1 Connecting device, earphone antenna and earphone
11/01/2012WO2012145828A1 Stereo loudspeaker system with asymmetric speaker enclosures
11/01/2012US20120278070 Combined microphone and earphone audio headset having means for denoising a near speech signal, in particular for a " hands-free" telephony system
11/01/2012US20120275638 Sandwich-Type Woofer with Two Sound Wave Propagation Directions and a Magnetic-Looped Device Thereof
11/01/2012US20120275637 Fastener structure and reversed sounding structure using the same
11/01/2012US20120275636 Combined device audio panel
11/01/2012US20120275634 Mems microphone
11/01/2012US20120275633 Hang up magnet for radio microphone
11/01/2012US20120275632 Earphone
11/01/2012US20120275631 Integrated Television Mount and Audio System
11/01/2012US20120275616 Sound signal processor and sound signal processing methods
11/01/2012US20120275615 Dj mixing headphones
11/01/2012US20120274570 Portable display apparatus
11/01/2012CA2834029A1 Conference device
10/2012
10/31/2012EP2519032A1 A system comprising a portable electronic device with a time function
10/31/2012EP2519029A1 Composite speaker
10/31/2012EP2519028A1 Speaker vibrator and speaker device
10/31/2012EP2519027A1 Method for controlling music playing and music playing terminal
10/31/2012EP2517481A2 Surface-mounted microphone arrays on flexible printed circuit boards
10/31/2012EP2517477A1 Acoustic manipulator element
10/31/2012EP2517476A1 An apparatus
10/31/2012EP2517475A1 Earphone
10/31/2012EP2517447A1 An apparatus for use in portable devices
10/31/2012DE112010005166T5 Ultraschallwellensensor und Verfahren zum Anbringen eines Ultraschallwellensensors Ultrasonic wave sensor and method for attaching an ultrasonic wave sensor
10/31/2012CN202514061U Plate type sound equipment
10/31/2012CN202514054U Sounding panel of flat-panel sound device
10/31/2012CN202514053U Household subwoofer
10/31/2012CN202514052U Audio structure for mobile phone
10/31/2012CN202514051U Desktop mobile sounder
10/31/2012CN202514050U Wireless bluetooth sound box
10/31/2012CN202514049U Card speaker
10/31/2012CN202514048U Earphone
10/31/2012CN202514047U Lover earphone
10/31/2012CN202514046U Double-way headset with power amplification function
10/31/2012CN202514045U Microphone bracket
10/31/2012CN202514044U Adjustable microphone
10/31/2012CN202514043U Portable personal singing microphone
10/31/2012CN202514042U Loudspeaker box device
10/31/2012CN202514041U Minisize sound with distorting mirror
10/31/2012CN202514040U Wall-hidden type sound equipment and system thereof
10/31/2012CN202514039U Driver for plate type loudspeaker
10/31/2012CN202514038U Support plate of flat-panel sound box
10/31/2012CN202514037U Wall-hanging flat speaker
10/31/2012CN202514036U Novel sound box
10/31/2012CN202514035U Support device
10/31/2012CN202514034U Dancing speaker
10/31/2012CN202512900U Wearable mp3 (Moving Picture Experts Group Audio Layer-3) player
10/31/2012CN202505596U Multifunctional earcap
10/31/2012CN102763431A An apparatus
10/31/2012CN102761806A Microphone array with wide frequency band and strong directivity
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