| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 06/22/2005 | CN1630314A Wireless communication machine using single earpiece with microphone and loudspeaker function |
| 06/22/2005 | CN1207884C Loudspeaker volume range control |
| 06/16/2005 | WO2005055645A1 Selective audio signal enhancement |
| 06/16/2005 | WO2005055644A1 Method and apparatus for producing adaptive directional signals |
| 06/16/2005 | WO2005055406A1 Microphine with voltage pump |
| 06/16/2005 | WO2005036921A3 Parametric loudspeaker system for isolated listening |
| 06/16/2005 | US20050129255 Signal delay time measurement device and computer program therefor |
| 06/16/2005 | US20050128216 Connection device capable of mixing an rgb graphics signal and a yuv video signal and related method |
| 06/16/2005 | US20050128202 Graphics card for smoothing the playing of video |
| 06/16/2005 | US20050127954 Signal processing apparatus |
| 06/16/2005 | DE10313331B4 Verfahren zur Bestimmung einer Einfallsrichtung eines Signals einer akustischen Signalquelle und Vorrichtung zur Durchführung des Verfahrens A method for determining an incident direction of a signal of an acoustic signal source, and apparatus for carrying out the method |
| 06/15/2005 | EP1542503A1 Dynamic sweet spot tracking |
| 06/15/2005 | EP1542359A1 Signal compression/expansion device and mobile communication terminal |
| 06/15/2005 | EP1540987A1 P.a. system installation method |
| 06/15/2005 | EP1540986A1 Calibrating a first and a second microphone |
| 06/15/2005 | EP1540646A2 Voice controlled system and method |
| 06/15/2005 | CN1628486A 驻极体电容传声器 Electret condenser microphone |
| 06/15/2005 | CN1628485A Microphone equipped with a range finder |
| 06/15/2005 | CN1628252A Potential fixing device, potential fixing method, and capacitance measuring instrument |
| 06/15/2005 | CN1627863A USB speaker switching device |
| 06/15/2005 | CN1627862A Acoustics system of multiple loudspeakers and automatic control method |
| 06/15/2005 | CN1627635A Signal compression/expansion device and mobile communication terminal |
| 06/09/2005 | US20050123155 SMD type biased condenser microphone |
| 06/09/2005 | US20050123153 Signal compression/expansion device and mobile communication terminal |
| 06/09/2005 | US20050123149 Audio system based on at least second-order eigenbeams |
| 06/09/2005 | US20050123144 Audio power meter |
| 06/09/2005 | DE10351793A1 Vorrichtung und Verfahren zum Verarbeiten eines Eingangssignals Apparatus and method for processing an input signal |
| 06/08/2005 | EP1538872A2 SMD Type biased condenser microphone |
| 06/08/2005 | EP1538868A2 Audio amplification apparatus |
| 06/08/2005 | EP1538867A1 Handsfree system for use in a vehicle |
| 06/08/2005 | EP1538866A2 FM transmitter for an MP3 player |
| 06/08/2005 | EP1485990A4 Communication device with active equalization and method therefor |
| 06/08/2005 | CN1625302A Sound field reproduction apparatus and sound field space reproduction system |
| 06/08/2005 | CN1625299A SMD type biased condenser microphone |
| 06/08/2005 | CN1625221A Image forming device, pattern forming method and its program |
| 06/08/2005 | CN1205843C Low-frequency audio enhancement system and method |
| 06/08/2005 | CN1205836C Acoustic system and head held acoustic apparatus |
| 06/07/2005 | US6904154 Acoustic device |
| 06/07/2005 | CA2244139C Distamycin derivatives, process for preparing them, and their use as antitumor and antiviral agents |
| 06/02/2005 | WO2005051041A1 Array speaker device |
| 06/02/2005 | WO2004032191A3 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites |
| 06/02/2005 | US20050120130 Data output device, data transmitting device, data processing system, data output method, data transmitting method, data processing method, their programs and recording media storing these programs |
| 06/02/2005 | US20050119879 Method and apparatus to compensate for imperfections in sound field using peak and dip frequencies |
| 06/02/2005 | US20050117753 Sound field reproduction apparatus and sound field space reproduction system |
| 06/02/2005 | US20050117609 Data transmitting device, system thereof, method thereof, program thereof and recording medium storing the program |
| 06/02/2005 | US20050116700 Potential fixing device, potential fixing method, and capacitance mearuing instrument |
| 06/02/2005 | US20050115728 Method and device arrangement for improving the sound quality of an audio system |
| 06/02/2005 | DE10251227B4 Flachlautsprecher und Verfahren zur Herstellung eines Filters dafür Flat speaker and method for manufacturing a filter for |
| 06/02/2005 | DE10032666B4 Audiosystem für ein Kraftfahrzeug Audio system for a motor vehicle |
| 06/01/2005 | EP1536664A2 Car audio equipment |
| 06/01/2005 | CN1622690A Folding electronic noise reduction earphone |
| 06/01/2005 | CN1622689A Electronic equipment, video camera apparatus and method for controlling them |
| 06/01/2005 | CN1622487A Method for displaying information on blue tooth ear phone |
| 05/26/2005 | WO2005048650A1 Signal receiving apparatus and method |
| 05/26/2005 | WO2005048644A2 System and method for controlling audio output |
| 05/26/2005 | WO2005002199A3 System and method for delivering audio-visual content along a customer waiting line |
| 05/26/2005 | US20050114128 System for suppressing rain noise |
| 05/26/2005 | US20050111674 Sound pickup method and system with sound source tracking |
| 05/25/2005 | EP1532841A1 Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions |
| 05/25/2005 | EP1532801A2 Telecommunication terminal comprising a memory for storing acoustic effect data |
| 05/25/2005 | EP1532749A2 Portable audio playback device with bass enhancement |
| 05/25/2005 | EP1532734A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 05/25/2005 | EP1428330B1 Telephony control in the flight deck |
| 05/25/2005 | DE19839250B4 Audiosignalausgabeapparat für simultane Ausgabe von unterschiedlichen Audiosignalen, die in einem Multiplex-Audiosignal enthalten sind, über Lautsprecher und Kopfhörer Audio signal output apparatus for simultaneous output of different audio signals, which are contained in a multiplexed audio signal through speakers and headphones |
| 05/25/2005 | DE10307917B4 Subwoofer-System mit dynamischem Pushpull-Antrieb Subwoofer system with dynamic push-pull drive |
| 05/25/2005 | DE102004005998B3 Separating sound signals involves Fourier transformation, inverse transformation using filter function dependent on angle of incidence with maximum at preferred angle and combined with frequency spectrum by multiplication |
| 05/25/2005 | CN2702567Y A sound box frequency divider with three frequency-division |
| 05/25/2005 | CN1620751A Voice enhancement system |
| 05/25/2005 | CN1620196A Sound reproducing apparatus and sound reproducing method |
| 05/25/2005 | CN1620195A Parametric loudspeaker with electro-acoustical disphragm transducer |
| 05/25/2005 | CN1620190A Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 05/25/2005 | CN1619951A Automotive audio controller with vibration sensor |
| 05/24/2005 | US6898161 Sound control circuit for a digital audiovisual reproduction system |
| 05/19/2005 | WO2005046194A1 Device and method for processing an input signal |
| 05/19/2005 | WO2005046076A1 Echo suppression device |
| 05/19/2005 | US20050105746 Passive and active escapement for sound resonance |
| 05/19/2005 | US20050105718 Active audio compressing in telecommunication |
| 05/19/2005 | US20050105714 Communication terminal apparatus and reproducing method |
| 05/19/2005 | US20050105442 Apparatus and method for generating, storing, or editing an audio representation of an audio scene |
| 05/19/2005 | US20050103188 Component data managing method |
| 05/18/2005 | CN1617545A Communication terminal apparatus and reproducing method |
| 05/18/2005 | CN1202693C Semiconductor electret capacitor microphone |
| 05/18/2005 | CN1202615C Electronic apparatus comprising an audio-frequency amplifier and method for controlling said electronic apparatus |
| 05/17/2005 | US6895095 Method of eliminating interference in a microphone |
| 05/17/2005 | US6895094 Adaptive identification method and device, and adaptive echo canceller implementing such method |
| 05/12/2005 | WO2005043771A1 Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
| 05/12/2005 | WO2005022947A3 Parametric tranducer having an emitter film |
| 05/12/2005 | WO2004093487A3 Systems and methods for interference suppression with directional sensing patterns |
| 05/12/2005 | US20050100181 Parametric transducer having an emitter film |
| 05/12/2005 | US20050100180 Audio system, audio apparatus, and method for performing audio signal output processing |
| 05/12/2005 | US20050100179 System and method for controlling audio output |
| 05/12/2005 | US20050100176 System and method for computing a location of an acoustic source |
| 05/12/2005 | US20050100173 Automotive audio controller with vibration sensor |
| 05/11/2005 | EP1530400A1 Automotive audio controller with vibration sensor |
| 05/11/2005 | EP1530197A2 Parameter control method and program therefor, and parameter setting apparatus |
| 05/11/2005 | EP1529418A1 Loudspeaker arrangement |
| 05/11/2005 | EP1529341A2 Ring triggered mute |
| 05/11/2005 | EP1529282A1 Method and system for processing subband signals using adaptive filters |
| 05/11/2005 | CN1201632C Voice-to-remaining audio (VRA) interactive hearing aid & auxiliary equipment |
| 05/10/2005 | US6891954 Vehicle-mounted noise control apparatus |