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