Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 3 - Circuits for transducers
Patents for H04R 3 - Circuits for transducers (18,190)
06/2010
06/16/2010CN101742383A Device and method for eliminating plosives of headset
06/16/2010CN101742382A Active noise cancellation method and earphone
06/16/2010CN101742381A Denoising drive circuit and method
06/16/2010CN101742380A Mute circuits, related electronic devices and method of eliminating audible noise
06/16/2010CN101742379A Turn-on muting control circuit of sound equipment
06/16/2010CN101741491A Audio system and main box
06/16/2010CN101740028A Voice control system of household appliance
06/16/2010CN101370108B Image display device and method
06/16/2010CN101147192B Methods and systems for intelligibility measurement of audio announcement systems
06/10/2010WO2010063871A1 Reduction in interference between components
06/10/2010WO2010063797A1 Miniature transducer assembly with integrated de-coupling coils
06/10/2010WO2010063660A2 Wind noise detection method and system
06/10/2010US20100145504 Address label re-work station
06/10/2010US20100142725 Method and system for sound monitoring over a network
06/09/2010EP1083769B1 Speech converting device and method
06/09/2010CN201504312U Loudspeaker and sound generator thereof
06/09/2010CN201504311U Loudspeaker and sound generating device thereof
06/09/2010CN201504307U Active vehicular sound-box system with array transmission line
06/09/2010CN201504299U Audio converter
06/09/2010CN201504282U Television stereo
06/09/2010CN201503567U Multifunctional power supply provided with loudspeaker box
06/09/2010CN201501383U Microcomputer-controlled dual-mode electric vehicle antitheft system
06/09/2010CN101729962A Method and electronic device for driving capacitance type electroacoustic transducer
06/09/2010CN101729959A Voice device for mobile phone charger
06/09/2010CN101729958A Audio frequency output device
06/09/2010CN101729957A Electronic device and method for eliminating sound volume mutation
06/09/2010CN101728946A Power supply unit with noise reduction capability
06/09/2010CN101183855B D-type amplifier
06/08/2010US7734054 Acoustic apparatus, connection polarity determination method, and recording medium
06/03/2010WO2010061912A1 Ultrasonic transducer, electronic device, and ultrasonic endoscope
06/03/2010WO2010061791A1 Video control device, and image capturing apparatus and display apparatus which are provided with same
06/03/2010WO2010061569A1 Voice output device
06/03/2010WO2010061506A1 Signal correction device
06/03/2010WO2010019634A3 Wearable headset with self-contained vocal feedback and vocal command
06/03/2010US20100135510 Apparatus for generating and playing object based audio contents
06/03/2010US20100135508 Integrated circuit attached to microphone
06/02/2010EP2192791A1 Sound emission/collection device
06/02/2010EP2192694A1 System identifying device and system identifying method
06/02/2010EP2191660A1 Method and device for extension of low frequency output from a loudspeaker
06/02/2010DE10328827B4 Sende- und Empfangsisolation für ein Ultraschallabtasten und Verfahren der Verwendung Transmit and receive isolation for an Ultraschallabtasten and methods of use
06/02/2010CN201499302U Multifunctional audiphones
06/02/2010CN201499290U Acoustic power amplification device
06/02/2010CN201499289U Volume control device for audio amplifier
06/02/2010CN201499288U Audio frequency encoding/decoding chip output circuit
06/02/2010CN201499287U Sound equipment volume controller with environment noise feedback
06/02/2010CN201499286U Multifunctional multimedia player
06/02/2010CN201499138U Automatic gain control circuit of power amplifier
06/02/2010CN201499135U Automobile analog power amplifier
06/02/2010CN201498842U Sound box converter connected with power line networks
06/02/2010CN201498203U Multifunctional music player
06/02/2010CN201497906U Multifunctional digital audio control center system
06/02/2010CN101720558A Voice and position localization
06/02/2010CN101720051A Novel intelligent automatic audio mixing method and device thereof
06/02/2010CN101192411B Large distance microphone array noise cancellation method and noise cancellation system
06/01/2010US7729498 Modulator processing for a parametric speaker system
06/01/2010US7729497 Audio signal enhancement
06/01/2010CA2515558C Personal portable integrator for music player and mobile phone
05/2010
05/27/2010WO2010038229A3 Actuator apparatus with comb-drive component and methods useful for manufacturing and operating same
05/27/2010WO2010014663A8 Method for adaptive control and equalization of electroacoustic channels
05/27/2010WO2009143434A3 Wide dynamic range microphone
05/27/2010US20100128896 Sound receiving device, directional characteristic deriving method, directional characteristic deriving apparatus and computer program
05/27/2010US20100128895 Signal processing unit, signal processing method, and recording medium
05/27/2010US20100128894 Acoustic Voice Activity Detection (AVAD) for Electronic Systems
05/27/2010US20100128893 Communication system
05/27/2010US20100128892 Stabilizing Directional Audio Input from a Moving Microphone Array
05/27/2010US20100128886 Mute circuits
05/27/2010US20100128881 Acoustic Voice Activity Detection (AVAD) for Electronic Systems
05/27/2010DE102007005070B4 Anordnung und Verfahren zur optimalen Schätzung der linearen Parameter und der nichtlinearen Parameter eines Modells, das einen Wandler beschreibt Arrangement and method for optimal estimation of the linear parameter and the non-linear parameters of a model, which describes a converter
05/26/2010EP2190114A1 Local broadcasting system
05/26/2010EP2189004A1 A variable directional microphone assembly and method of making the microphone assembly
05/26/2010EP1247350B1 Parametric audio system
05/26/2010CN201491266U Automatic broadcasting system expander
05/26/2010CN201491242U Vehicle multi-media playing system
05/26/2010CN201491240U Loud speaking device
05/26/2010CN201491239U Combined sound box control device
05/26/2010CN201491238U Mini digital sound controller
05/26/2010CN201491237U Sound with overall failure diagnosis and alarm functions
05/26/2010CN201491198U Electronic equipment and accessory used for electronic equipment
05/26/2010CN201491111U Portable karaoke OK multimedia player
05/26/2010CN201491059U Display screen overturning structure of TV mobile phone and TV mobile phone thereof
05/26/2010CN201489315U On-board voice recognition control system
05/26/2010CN201489306U Playing and recording time indicator
05/26/2010CN1689371B Delay network microphones with harmonic nesting
05/26/2010CN1689072B Method and system for processing subband signals using adaptive filters
05/26/2010CN1637857B Noise eliminating system, sound identification system and vehicle navigation system
05/26/2010CN101715158A Apparatus and method for processing audio signal
05/26/2010CN101715154A Induced conference microphone
05/26/2010CN101040434B 音频放大器 Audio Amplifiers
05/25/2010US7725826 Audio-related system node instantiation
05/25/2010US7725315 Minimization of transient noises in a voice signal
05/25/2010US7724891 Method to reduce acoustic coupling in audio conferencing systems
05/25/2010CA2477928C Loudspeaker with shaped sound field
05/20/2010WO2010057134A1 Dynamic volume control and multi-spatial processing protection
05/20/2010WO2010057133A1 Dynamic volume control and multi-spatial processing protection
05/20/2010WO2010055650A1 Adaptive filter and echo canceller having same
05/20/2010US20100125793 Display apparatus, projector, and control method
05/20/2010US20100124339 Vehicular microphone assembly using fractional power phase normalization
05/20/2010US20100123785 Graphic Control for Directional Audio Input
05/20/2010US20100123729 System, method, and computer program product for preventing display of unwanted content stored in a frame buffer
05/20/2010DE102008055760A1 Adaptives Mikrofonsystem für ein Hörgerät und zugehöriges Verfahren zum Betrieb An adaptive microphone system for a hearing aid and associated method for operating
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