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)
12/2012
12/05/2012EP2529558A1 Loudspeaker system
12/05/2012CN202587352U Circuit board for microphone
12/05/2012CN202587346U Bluetooth sound box
12/05/2012CN202587310U Voice remote control microphone
12/05/2012CN202587213U Audio video (AV) meeting control center provided with digital signal processor (DSP) digital frequency shifter
12/05/2012CN102812727A Loudspeaker system
12/05/2012CN102812725A Toroid Microphone Apparatus
12/05/2012CN102812653A Digital communications system with variable-bandwidth traffic channels
12/05/2012CN101720051B Novel intelligent automatic audio mixing method and device thereof
12/04/2012US8325954 Processing an input signal in a hearing aid
12/04/2012US8325943 Dual-coil, dual gap electromagnetic transducer with multiple channel amplifiers
12/04/2012US8325941 Method and apparatus to shape sound
11/2012
11/29/2012WO2012161781A1 Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation
11/29/2012WO2012161089A1 Teleconference device
11/29/2012WO2012160778A1 Transceiver
11/29/2012WO2012160329A1 Reducing distortion
11/29/2012US20120300961 Biometric-Sensor Assembly, Such as for Acoustic Reflectometry of the Vocal Tract
11/29/2012US20120300959 Ribbon microphone with usb output
11/28/2012EP2528354A1 Voice and position localization
11/28/2012CN202565455U Audio signal processing device
11/28/2012CN202565454U Line control circuit of earphone
11/28/2012CN202565453U Double-microphone circuit used for improving voice conversation and identification quality of vehicle product
11/28/2012CN102804810A Spectral management system
11/28/2012CN102804809A Audio source localization
11/28/2012CN102804808A Positional disambiguation in spatial audio
11/28/2012CN102804807A Temperature compensated microphone
11/28/2012CN102804806A Method and apparatus for processing audio signals
11/28/2012CN102804260A Audio signal processing device and audio signal processing method
11/28/2012CN102802106A A method of identifying a wireless communication channel in a sound system
11/28/2012CN102802105A Amplification circuit and digital microphone using the same
11/28/2012CN102802103A Speaker apparatus
11/28/2012CN102802102A Distortionless sound playback system for counter electromotive force signals
11/28/2012CN102801837A Cell phone microphone control circuit
11/28/2012CN101902674B Self-excitation eliminating method of high gain public address system based on space counteracting
11/28/2012CN101653015B Signal processing device
11/28/2012CN101605287B Integrated circuit used for providing microphone interface
11/28/2012CN101569210B Audio processing system
11/28/2012CN101552849B Echo canceler circuit and method
11/28/2012CN101073287B Device and method for attenuating an anti-resonant circuit
11/27/2012US8320588 Microphone mover
11/27/2012US8320574 Methods and systems for reducing acoustic echoes in communication systems
11/27/2012US8319858 Electronic apparatus and method for receiving sounds with auxiliary information from camera system
11/27/2012US8319620 Ambient situation awareness system and method for vehicles
11/26/2012DE202012103748U1 Ohrhörer mit einer integrierten Antenne Earphones with an integrated antenna
11/22/2012WO2012157788A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157785A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157783A1 Audio processing device, audio processing method, and recording medium on which audio processing program is recorded
11/22/2012WO2012157219A1 Sound playback device and sound playback device unit using same
11/22/2012WO2012157156A1 Wakefulness-maintaining device and wakefulness-maintaining method
11/22/2012WO2012156767A1 Electronic devices for reducing acoustic leakage effects and related methods and computer program products
11/22/2012WO2012135182A9 Measuring transducer displacement
11/22/2012WO2012134274A3 Isolator device for passing through a signal
11/22/2012US20120294456 Signal source localization using compressive measurements
11/22/2012DE102012103552A1 Audiosystem und verfahren zur verwendung von adaptiver intelligenz, um den informationsgehalt von audiosignalen zu unterscheiden und eine signalverarbeitungsfunktion zu steuern Audio system and method for using adaptive intelligence to distinguish the information content of audio signals and to control a signal processing function
11/21/2012EP2525589A1 Speaker apparatus
11/21/2012CN202551313U Laboratory playback device of actual noise filed
11/21/2012CN202551312U Circuit structure for inhibiting POP sound generated when audio frequency power amplifier is powered on and off
11/21/2012CN202551311U Synchronous double-audio frequency output device
11/21/2012CN202551310U Intelligent sound effect circuit of liquid crystal display
11/21/2012CN202551309U Automatic device switching sound device into standby mode
11/21/2012CN202551308U Intelligent volume control system for vehicle-mounted sound box
11/21/2012CN202551307U Anti-static SRS (Sound Retrieval System) audio circuit
11/21/2012CN202551306U Earphone compatible circuit and compatible earphone
11/21/2012CN202551297U Safe earphone device capable of tuning intelligently
11/21/2012CN202551288U Sports earphones capable of adjusting sound volume automatically
11/21/2012CN202551269U Multifunctional audible device externally connected with mobile phone
11/21/2012CN102792712A Speaker system and method of operation therefor
11/21/2012CN102790935A High frequency compression actuator and restraining method of harmonic distortion of same
11/21/2012CN102790934A Amplifier circuit in parallel
11/21/2012CN102790933A Audio system and method using adaptive intelligence to distinguish information content of audio signals and to control signal processing function
11/21/2012CN102790932A Audio system and method using adaptive intelligence to distinguish information content of audio signals and to control signal processing function
11/21/2012CN102790931A Distance sense synthetic method in three-dimensional sound field synthesis
11/21/2012CN102790928A Multi-media playing device and wireless earphone charged through same
11/21/2012CN102790610A Capacitor controlled switch system
11/21/2012CN102783725A Raincoat with sound amplification function
11/21/2012CN101908939B Digital mixer, mixer configuration editing apparatus, and mixer readable medium
11/21/2012CN101610440B Electronic device
11/21/2012CN101516050B Crackle eliminator and sound output system using same
11/21/2012CN101472171B Data conversion system
11/21/2012CN101292567B Noise control device
11/20/2012US8315407 Apparatus and method for localizing sound source in real time
11/15/2012WO2012153452A1 Echo erasing device and echo detection device
11/15/2012WO2012153451A1 Adaptive equalizer, acoustic echo canceller device, and active noise control device
11/15/2012WO2011079205A3 Systems and methods for reducing rub and buzz distortion in a loudspeaker
11/15/2012US20120289122 Point-of-Sale Integrated Storage Devices, Systems for Programming Integrated Storage Devices, and Methods for Providing Custom Sounds to Toys
11/15/2012US20120288114 Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images
11/15/2012US20120287303 Sound separating device and camera unit including the same
11/14/2012EP2522156A1 Compressor based dynamic bass enhancement with eq
11/14/2012EP2522152A1 Sound wave detection device and sound wave source location system
11/14/2012CN202535535U MEMS microphone
11/14/2012CN202535519U Intelligent high pitch protecting circuit of loudspeaker
11/14/2012CN202535507U Solar Bluetooth headset
11/14/2012CN202535506U Headset
11/14/2012CN102783180A Self-powered audio speaker having modular components
11/14/2012CN102780950A Electronic equipment audio control system and electronic equipment audio control method
11/14/2012CN102780949A Method and device for automatically identifying MAC (Media Access Control) pin and ground pin of audio interface
11/14/2012CN102780948A Wind noise suppressor, semiconductor integrated circuit, and wind noise suppression method
11/14/2012CN102780947A System for reducing recording noise of handheld electronic device and method thereof
11/14/2012CN102780946A Electronic device, electronic system and method for processing voltage signal of peripheral accessory
11/14/2012CN102780807A Implement method for using mobile phone as wireless microphone
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