| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 10/14/2009 | EP2108181A1 Use of a directed sound source, medical treatment station and medical treatment room |
| 10/14/2009 | CN201328183Y Loudspeaker |
| 10/14/2009 | CN201328178Y Elastic body speaker box system |
| 10/14/2009 | CN201328177Y Novel voice-control earphone |
| 10/14/2009 | CN201328176Y Earphone with microphone capable of being adjusted |
| 10/14/2009 | CN201328175Y Winding-type hand-free device |
| 10/14/2009 | CN201328174Y Earphone mate |
| 10/14/2009 | CN201328173Y Circuit board of microphone |
| 10/14/2009 | CN201328172Y Audio play device and terminal |
| 10/14/2009 | CN201328171Y Moon-view wall lamp multimedia sound box |
| 10/14/2009 | CN201328152Y Wire control device for mobile TV |
| 10/14/2009 | CN201324359Y Electrotherapeutic headset |
| 10/14/2009 | CN101558660A Apparatus and methods for generating pressure waves |
| 10/14/2009 | CN101558659A Volume and tone control in direct digital speakers |
| 10/14/2009 | CN101557546A Acoustically transparent waveguide horn |
| 10/14/2009 | CN101557545A Sound box protection casing of vehicular speaker |
| 10/14/2009 | CN100551132C Head earphone |
| 10/14/2009 | CN100548510C Vibration source driving device |
| 10/14/2009 | CN100548248C Ear phone |
| 10/13/2009 | US7602934 Speaker system with built-in storage of satellite speakers |
| 10/13/2009 | US7602931 Gasket for reducing electromagnetic interference in a boundary microphone |
| 10/13/2009 | US7602926 Stationary spectral power dependent audio enhancement system |
| 10/13/2009 | CA2491849C System and method of self-discovery and self-calibration in a video conferencing system |
| 10/13/2009 | CA2491546C Integrated acoustic transducer assembly |
| 10/08/2009 | WO2009123825A1 Loudspeaker assembly |
| 10/08/2009 | WO2009122573A1 Speaker device |
| 10/08/2009 | WO2009122142A1 Audio or audio/visual interactive entertainment system and switching device therefor |
| 10/08/2009 | WO2009121203A1 Method of making a metallic flexible tube for an earphone microphone and its product |
| 10/08/2009 | US20090252369 Loudspeaker driver |
| 10/08/2009 | US20090252368 Ribbon transducer with improved dispersion, excursion and distortion characteristics |
| 10/08/2009 | US20090252363 Loudspeaker Assembly |
| 10/08/2009 | US20090252352 Ear cup |
| 10/08/2009 | US20090252345 Wearable Computer System and Modes of Operating the System |
| 10/08/2009 | US20090252344 Gaming headset and charging method |
| 10/08/2009 | DE202009009629U1 Mikrofonhalter Microphone Holder |
| 10/08/2009 | DE102008013612A1 Akustische Vorrichtung Acoustic device |
| 10/07/2009 | EP2107829A2 Reinforced earbud device, system and method |
| 10/07/2009 | EP2107823A2 Method and apparatus for microphones sharing a common acoustic volume |
| 10/07/2009 | EP2107822A1 Sound amplifier with speaker |
| 10/07/2009 | EP1627550B1 Apparatus and method for generating acoustic energy in a receiver assembly |
| 10/07/2009 | CN201323646Y Insert earphone capable of withdrawing feeder line |
| 10/07/2009 | CN201323645Y Bluetooth headset capable of converting channels |
| 10/07/2009 | CN201323644Y Earphone with telescopic microphone arm |
| 10/07/2009 | CN201323643Y Ear cup device capable for containing wire |
| 10/07/2009 | CN201323642Y Hat type headset |
| 10/07/2009 | CN201323641Y Bluetooth headset |
| 10/07/2009 | CN201323640Y Detachable headset microphone |
| 10/07/2009 | CN201323639Y Telescopic sound box |
| 10/07/2009 | CN101554063A 相位塞 Phase plug |
| 10/07/2009 | CN101554062A Sound emitting device with an expandable earpiece |
| 10/07/2009 | CN101552941A Miniature microphone assembly with solder sealing ring |
| 10/07/2009 | CN101552938A Portable media playing device and receiver jack |
| 10/07/2009 | CN101552250A A lead frame and packaging of a semiconductor device |
| 10/06/2009 | US7599685 Apparatus for playing of synchronized video between wireless devices |
| 10/06/2009 | US7599510 Multifunctional actuator and mobile terminal |
| 10/06/2009 | US7599509 Headphone, electronic device, cord winding device, and cord winding method |
| 10/06/2009 | US7599505 Condenser microphone |
| 10/06/2009 | CA2430479C Method for multiple suppression based on phase arrays |
| 10/06/2009 | CA2379888C Electric signal processing for electroacoustic transducer |
| 10/06/2009 | CA2368235C Systems and methods for passive pressure-compensation for acoustic transducers |
| 10/06/2009 | CA2277699C Sound control circuit for smart digital audio-video reproduction system |
| 10/01/2009 | WO2009120130A1 Hearing protector |
| 10/01/2009 | WO2009119852A1 Microphone unit, voice input device of close-talking type, information processing system, and method for manufacturing microphone unit |
| 10/01/2009 | WO2009119844A1 Speech processing device |
| 10/01/2009 | WO2009118892A1 Frame for speaker and speaker equipped with the same |
| 10/01/2009 | WO2009118677A1 Vented loudspeaker system |
| 10/01/2009 | WO2009118054A1 Headset |
| 10/01/2009 | US20090245567 Twistable ring speaker control |
| 10/01/2009 | US20090245566 Audio vibration apparatus using USB port as power inlet |
| 10/01/2009 | US20090245565 Acoustic systems for electronic devices |
| 10/01/2009 | US20090245563 Porting |
| 10/01/2009 | US20090245562 Speaker system |
| 10/01/2009 | US20090245561 Acoustic Passive Radiating |
| 10/01/2009 | US20090245547 Electret materials, electret speakers, and methods of manufacturing the same |
| 10/01/2009 | US20090245535 Loudspeaker Apparatus for Radiating Acoustic Waves in a Hemisphere |
| 10/01/2009 | US20090245532 Headset |
| 10/01/2009 | US20090241254 Vibroacoustic Water System |
| 10/01/2009 | DE20122910U1 Verbindungskabel für Helme Connection cable for helmets |
| 10/01/2009 | DE102008016768A1 System und Verfahren zur Entspannung sowie zur Unterstützung und Überwachung eines Kurzschlafes System and method for relaxation and for support and monitoring of short sleep |
| 10/01/2009 | DE102008016703A1 Loudspeaker arrangement for use at open cross baffle in living room for music reproduction, has low-range loudspeakers attached to perpendicular middle wall, and high-range and mid-range loudspeakers eccentrically attached to cross wall |
| 10/01/2009 | DE102008015490A1 Motor vehicle, has resonance volumes provided for low-frequency loud speaker, and partially limited by bottom plate, where bottom plate represents lower-sided limitation of resonance volumes |
| 10/01/2009 | DE102005020746B4 Magnetsystem Magnet system |
| 09/30/2009 | EP2106160A2 Heart shaped structure with altering appearance |
| 09/30/2009 | EP2106159A1 Loudspeaker panel with a microphone and method for using both |
| 09/30/2009 | EP2106158A2 Loudspeaker box and reproduction system comprising such a loudspeaker box |
| 09/30/2009 | EP2105039A1 Headset with active noise compensation |
| 09/30/2009 | EP1258167B1 Acoustic transducer with improved acoustic damper |
| 09/30/2009 | CN201319662Y Earphone with movable push rod structure |
| 09/30/2009 | CN201319661Y Earphone cord length adjusting device |
| 09/30/2009 | CN201319660Y Radiation protection health care earphone |
| 09/30/2009 | CN201319659Y Improved plug-in earphone |
| 09/30/2009 | CN201319658Y Headset with sound box function |
| 09/30/2009 | CN201319657Y Frequency-fixing examination earphone shell |
| 09/30/2009 | CN201319656Y Headphone |
| 09/30/2009 | CN201319655Y Bidirectional-stretching earphone winder with control key |
| 09/30/2009 | CN201319654Y Behind ear type microphone |
| 09/30/2009 | CN201319653Y Electric megaphone |
| 09/30/2009 | CN201319652Y Charging sound bag |
| 09/30/2009 | CN101548553A Material for speaker device and speaker device using it |
| 09/30/2009 | CN101547392A Earphone structure capable of adjusting air permeability of cavity |