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)
11/2010
11/03/2010CN101877806A Method and apparatus for controlling the reproduction of audio contents by two loudspeakers
11/03/2010CN101877805A Sectional headphone plug
11/02/2010US7826633 Speaker cover
11/02/2010US7826630 Sound image localization apparatus
11/02/2010US7826627 Wagering game with user volume control
11/02/2010US7826623 Handsfree system for use in a vehicle
11/02/2010US7826622 Constant-beamwidth loudspeaker array
10/2010
10/28/2010WO2010123568A2 Splash proof acoustically resistive cover assembly
10/28/2010WO2010122982A1 Ultrasonic probe and ultrasonic imaging apparatus
10/28/2010WO2010122556A1 Dust protection apparatus for flat loudspeakers
10/28/2010WO2010121916A1 Cross-barrier communication system and method
10/28/2010US20100272310 Microcap acoustic transducer device
10/28/2010US20100272309 Electrostatic Speaker Systems and Methods
10/28/2010US20100272308 Speaker apparatus for use in vehicle
10/28/2010US20100272307 Image display device
10/28/2010US20100272306 Loudspeaker cover
10/28/2010US20100272304 Eyewear Retention Device
10/28/2010US20100272301 Horn loudspeaker and a sound source
10/28/2010US20100272300 Device for holding vehicle sensors
10/28/2010US20100272295 Speaker device having directivity adjustment panel
10/28/2010US20100272287 Patterned implantable electret microphone
10/28/2010US20100272271 Speaker system
10/28/2010US20100271907 Electroacoustic Underwater Antenna
10/28/2010US20100271539 Electronic device and imaging apparatus
10/28/2010US20100270104 Shapeable framing system
10/28/2010DE202010009756U1 Mehrparteien Wurfmikrofon mit zentraler Steuerung More parties throw microphone with centralized control
10/28/2010DE102006001350B4 Mikrofon und Modifikationseinheit zum Modifizieren der akustischen Eigenschaften eines Mikrofons Microphone and modification unit for modifying the characteristics of the microphone
10/28/2010CA2759834A1 Dust protection apparatus for flat loudspeakers
10/28/2010CA2757916A1 Splash proof acoustically resistive cover assembly
10/27/2010EP2244445A1 Electromagnetic shielded audio system for a communication device
10/27/2010EP2243283A1 Cord adjustment device
10/27/2010CN201616897U 扬声器系统 Speaker system
10/27/2010CN201616896U 一种便携式微型组合音箱 A portable mini speaker system
10/27/2010CN201616895U 一种音腔及电子设备 One kind of sound chamber and electronic equipment
10/27/2010CN201616894U 头戴式发光耳机 Emitting headphone headset
10/27/2010CN201616893U 无线光学耳机 Wireless Optical headset
10/27/2010CN201616892U 具低音调节功能的耳机装置 A bass adjustment function headphone device
10/27/2010CN201616891U 自洁话筒 Self-cleaning Microphone
10/27/2010CN201616890U 一种固定装置 A fixed-device
10/27/2010CN201616889U 多功能宣传专用扬声器 Multifunction publicity dedicated speaker
10/27/2010CN101874411A Microphone arrangement comprising three pressure gradient transducers
10/27/2010CN101874410A An ear bud earphone with variable noise isolation, a cushion for an ear bud earphone and a corresponding method
10/27/2010CN101873521A Sound-generating device
10/27/2010CN101873520A Sound-generating device
10/27/2010CN101873363A Method and terminal for restraining noise by using double microphones
10/27/2010CN101873145A Method and device for interfering passive wireless headphone by audio electromagnetic field
10/27/2010CN101340737B Headphones
10/26/2010US7822400 Apparatus and method for suppresion of TDMA noise in a stereo headphone
10/26/2010US7822222 Loudspeaker and method of manufacturing the same
10/26/2010US7822221 Speaker device
10/26/2010US7821696 Electrochromic rearview mirror assembly incorporating a display/signal light
10/26/2010CA2457325C Amplified tree structure technology for fiber optic sensor arrays
10/23/2010CA2701320A1 Electroacoustic underwater antenna
10/21/2010WO2010120618A1 Electronically compensated micro-speakers and applications
10/21/2010WO2010119729A1 Method of manufacturing acoustic lens, ultrasound probe, and ultrasound diagnostic apparatus
10/21/2010WO2010119415A1 Microphone with adjustable characteristics
10/21/2010US20100266154 Structure of speaker
10/21/2010US20100266149 In-wall sub-woofer with high-volume displacement
10/21/2010US20100266148 Transducer with deformable corner
10/21/2010US20100263603 Animal garment with integrated sound device
10/21/2010US20100263398 Cooler sound system
10/21/2010DE202010008281U1 Tonwiedergabevorrichtung mit verbesserter Tieffrequenzwiedergabe Sound reproduction apparatus with improved low-frequency reproduction
10/21/2010CA2758868A1 Digital audio communication and control in a live performance venue
10/20/2010EP2242288A1 Microphone with adjustable characteristics
10/20/2010EP2242285A1 Microphone unit
10/20/2010EP2242284A1 Vibration pickup microphone
10/20/2010EP2241117A1 Dampening mechanism for a micro speaker
10/20/2010EP2241116A1 Embedded audio system in distributed acoustic sources
10/20/2010CN201611944U 音箱的空气谐振装置 Speakers air resonance device
10/20/2010CN201611943U 扬声器音腔 Speaker sound chamber
10/20/2010CN201611942U 一种防水耳机 A waterproof headphones
10/20/2010CN201611941U Usb无线话筒 Usb wireless microphone
10/20/2010CN201611940U 无线麦克风 Wireless Microphone
10/20/2010CN201611939U Ktv棒 Ktv bar
10/20/2010CN201611938U 一种音箱收线机构 One kind of speaker wire pick
10/20/2010CN201611937U 音箱吊挂连接装置 Speakers hanging connecting device
10/20/2010CN201611936U 一种非接触式感应控制音箱 A non-contact sensor control speaker
10/20/2010CN201611893U 带智能耳机的手机 Smart phones with headset
10/20/2010CN1849842B Audio apparatus
10/20/2010CN101867853A Speech signal processing method and device based on microphone array
10/20/2010CN101867852A Bone conduction earphone based on dual-channel frequency difference and short sound stimulation double actions
10/20/2010CN101867597A Home appliance
10/20/2010CN101867582A Directional sound advertisement system based on network control and network control method
10/20/2010CN101866152A Method and device for automatically identifying positions of accessory or/and mobile communication terminal to change message reminding mode
10/19/2010US7817813 Woofer speaker mounting structure for portable computer
10/19/2010US7817806 Sound pickup method and apparatus, sound pickup and reproduction method, and sound reproduction apparatus
10/19/2010US7817804 Acoustic measuring system for locating noise sources
10/19/2010US7814583 Retractable rotating spa speaker system
10/19/2010CA2550887C Microphone coupler for a communication device
10/19/2010CA2364811C Fixation element for an implantable microphone
10/14/2010WO2010118313A1 Systems and methods for acousto-haptic speakers
10/14/2010WO2010117338A1 A sound reproduction apparatus for varying sound transmission and a corresponding method thereof
10/14/2010WO2010116925A1 Signal processing device and signal processing method
10/14/2010WO2010116597A1 Wireless microphone
10/14/2010WO2010116510A1 Microphone device, and headset device
10/14/2010WO2010116398A1 Optical ultrasonic microphone
10/14/2010WO2010116387A1 Compression speaker
10/14/2010WO2010116153A1 Optimal modal beamformer for sensor arrays
10/14/2010US20100260371 Systems and methods for acousto-haptic speakers
10/14/2010US20100260370 Flat speaker structure
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