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)
05/2010
05/20/2010CA2776484A1 Dynamic volume control and multi-spatial processing protection
05/20/2010CA2743874A1 Dynamic volume control and multi-spatial processing protection
05/19/2010EP2187658A2 Positioning and reproducing screen sound source with high resolution
05/19/2010EP2187657A1 Digital speaker driving device
05/19/2010EP2187656A1 Sound collection device
05/19/2010EP2186351A1 A variable directional microphone assembly and method of making the microphone assembly
05/19/2010CN201479365U dual-speaker osophone
05/19/2010CN201479356U Sound control sound generator
05/19/2010CN201479355U Voice broadcasting device
05/19/2010CN201479354U Power amplifier muting circuit
05/19/2010CN201479353U Driving auxiliary voice prompting system
05/19/2010CN201479352U Audio adjusting circuit of earphone sender
05/19/2010CN201479334U Digital sound box using electric-power line for transmitting information
05/19/2010CN201479333U Novel sound box
05/19/2010CN201479328U Chargeable 2.4G wireless sound box device
05/19/2010CN201479213U Mobile phone with accompaniment function
05/19/2010CN201479201U Mobile terminal with mosquito-repelling function
05/19/2010CN201478623U Sound control socket
05/19/2010CN201477417U Voice troubleshooting instrument of electric vehicle
05/19/2010CN201477394U Recordable multi-situation alarm clock
05/19/2010CN201468807U Novel cup
05/18/2010US7720236 Updating modeling information based on offline calibration experiments
05/18/2010US7719486 Plasma display device
05/14/2010WO2010053129A1 Sound emission and collection device, and sound emission and collection method
05/14/2010WO2010053032A1 Acoustic oscillator and image generation device
05/14/2010WO2010033362A3 Hearing assistance device having reduced mechanical feedback
05/13/2010US20100119083 Compensation for nonuniform delayed group communications
05/13/2010US20100119081 Electroacoustical transducing with low frequency augmenting devices
05/13/2010US20100115683 Signage system
05/12/2010EP2183547A1 Automated sensor signal matching
05/12/2010DE102008053721A1 Verfahren und Anordnung zur Optimierung des Übertragungsverhaltens von Lautsprechersystemen in einem Gerät der Unterhaltungselektronik Method and apparatus for optimizing the transmission behavior of speaker systems in one unit of consumer electronics
05/12/2010CN201467446U Improved amplifier
05/12/2010CN201467425U Wireless sound box
05/12/2010CN201467423U Music buzzing control circuit used for range hood
05/12/2010CN201467396U Small speaker capable of being arranged in pocket
05/12/2010CN201467392U Sound guiding and indicating device of fire fighting access
05/12/2010CN201467241U Bedchamber peer-to-peer management system
05/12/2010CN201465570U Record-playback pen structure
05/12/2010CN1941620B Method for removing loundspeaker noise
05/12/2010CN1863411B Method for optimizing additional quality position of curvel vibration type sheet loudspeaker
05/12/2010CN1701630B Howling suppression device and howling suppression method
05/12/2010CN1659926B Method and system of representing a sound field
05/12/2010CN1479525B System and method for capturing audio and video frequency data
05/11/2010US7716044 Sound collecting method and sound collecting device
05/11/2010US7714661 Single supply direct drive amplifier
05/06/2010WO2010051509A1 Selectively switching between multiple microphones
05/06/2010WO2010051444A2 Modular input/output headset and method of use
05/06/2010WO2010019660A3 A switch for a hearing aid
05/06/2010WO2010019622A3 Hearing assistance using an external coprocessor
05/06/2010US20100115562 Audio system and main box
05/06/2010US20100111333 Watch including a built-in microphone in the watchcase
05/06/2010US20100111332 Microphone set for AV system
05/06/2010US20100111326 Microphone Device And Portable Recorder Comprising Same
05/06/2010US20100111325 Device for processing sound signal, and method of processing sound signal
05/06/2010US20100111324 Systems and Methods for Selectively Switching Between Multiple Microphones
05/06/2010US20100111314 Apparatus and method for localizing sound source in real time
05/06/2010US20100110232 Electronic apparatus and method for receiving sounds with auxiliary information from camera system
05/06/2010DE102009051012A1 Verfahren und Vorrichtung zum Übertragen, Empfangen und Verarbeiten von Signalen mit Vorrichtungen mit schmaler Bandbreite Method and apparatus for transmitting, receiving and processing signals with narrow bandwidth devices
05/05/2010EP2182739A1 Adaptive microphone system for a hearing aid and accompanying operating method
05/05/2010EP2182648A1 Echo canceller
05/05/2010EP1415393B1 Method for processing an input signal for producing an output signal and an application of said method in hearing aids and devices
05/05/2010CN201450585U Multimedia speaker box
05/05/2010CN201450584U Beautiful sound audio power amplifier
05/05/2010CN201450583U Multichannel input audio hybrid switching device
05/05/2010CN201449648U Automatic doorbell contact wireless gate magnet sensor
05/05/2010CN201445640U Music massage seat
05/05/2010CN1954387B Reproduction device and reproduction method
05/05/2010CN1801611B Bass boosting processing method and device
05/05/2010CN1722227B Digital mixer, mixer configuration editing apparatus, and mixer readable medium
05/05/2010CN1674451B Dynamic equalizing apparatus and method
05/04/2010US7711127 Apparatus, method and program for processing acoustic signal, and recording medium in which acoustic signal, processing program is recorded
05/04/2010CA2357200C Listening device
04/2010
04/29/2010WO2010048635A1 Acoustic voice activity detection (avad) for electronic systems
04/29/2010WO2010048490A1 Audio source proximity estimation using sensor array for noise reduction
04/29/2010WO2010027615A3 Asymmetric composite acoustic wave sensor
04/29/2010WO2010021803A3 Two wire autobias vehicular microphone system having user input functionality and method of forming same
04/29/2010US20100107199 Audio-visual point-of-sale presentation system and method directed towards vehicle occupant
04/29/2010US20100106272 Sound Recording Device, Sound Recording Method, And Sound Recording Program Embodied On Computer Readable Medium
04/29/2010US20100104117 Constant-beamwidth loudspeaker array
04/29/2010US20100102971 Arrangement and method to wake up a sleeping subject at an advantageous time instant associated with natural arousal
04/29/2010DE102008053458A1 Hörvorrichtung mit spezieller Situationserkennungseinheit und Verfahren zum Betreiben einer Hörvorrichtung Hearing with special situation recognition unit and method for operating a hearing device
04/29/2010DE102005019604B4 Aktiv-Richtlautsprecher zum Beschallen einer Hörzone und Verfahren zum automatischen Anpassen der Wiedergabelautstärke eines einer Hörzone zugeordneten Richtlautsprechers Active directional speaker to address a listening zone and method for automatically adjusting the playback volume of a sound zone associated directional loudspeaker
04/29/2010CA2741652A1 Acoustic voice activity detection (avad) for electronic systems
04/28/2010EP2180720A1 Apparatus for preventing leakage of a weak signal from a speaker
04/28/2010EP2180464A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle
04/28/2010EP1771943B1 Single supply direct drive amplifier
04/28/2010EP1600941B1 Dip filter frequency characteristic decision method
04/28/2010CN201444691U Automatic turning-off sound box
04/28/2010CN201444398U Multi-timbral electronic audio-video two-stringed Chinese fiddle
04/28/2010CN1836372B System estimation method, system estimation device
04/28/2010CN1523571B Parameter display controller for an acoustic signal processing apparatus and parameter display method
04/27/2010US7706902 Method and system for data logging in a listening device
04/27/2010US7706558 Automated system for adjusting line array speakers
04/27/2010US7706552 Sound signal processing apparatus and sound signal processing method
04/27/2010US7706551 Dynamic volume control
04/27/2010US7706550 Noise suppression apparatus and method
04/27/2010US7706549 Broadside small array microphone beamforming apparatus
04/27/2010US7706544 Audio reproduction system and method for reproducing an audio signal
04/22/2010WO2010044500A1 Fitting system of digital hearing aid to be capable of changing frequency band and channel
04/22/2010WO2010044439A1 Audio signal adjustment device and audio signal adjustment method
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