Patents for H04R 1 - Details of transducers (42,173)
04/2007
04/19/2007US20070086609 Vehicle door structure
04/19/2007US20070086606 Transducer array with nonuniform asymmetric spacing and method for configuring array
04/19/2007US20070086605 Electro-acoustic transducer comprising an rfid circuit
04/19/2007US20070086602 System and method for matching microphones
04/19/2007US20070086599 Earplug
04/19/2007US20070086595 Test tone determination method and sound field correction apparatus
04/19/2007DE202007002675U1 Drahtloses Mikrophon Wireless microphone
04/19/2007DE202006003946U1 Sound Behälter als Werbeträger für höhere Aufmerksamkeitswirkung Sound container as an advertising medium for higher attention effect
04/19/2007DE102005045899A1 Individuell anpassbare Hörvorrichtung Customizable hearing
04/18/2007EP1775995A1 Sound reproducing system and automobile using such sound reproducing system
04/18/2007EP1775991A1 Speaker, module employing it, electronic apparatus and device
04/18/2007EP1775989A1 Speaker array and microphone array
04/18/2007EP1775988A1 Speaker system, mobile terminal device, and electronic device
04/18/2007EP1774829A1 An ear headphone unit and a computer system
04/18/2007EP1774827A1 First person acoustic environment system and method
04/18/2007EP1774826A1 In-ear monitoring system and method with bidirectional channel
04/18/2007EP1774825A1 In-ear monitoring system and method
04/18/2007EP1774618A1 Method for production of an antenna section for a submarine antenna
04/18/2007EP1774450A1 Method and system for managing rights for digital music
04/18/2007EP1374635A4 Bone conduction hearing aid
04/18/2007EP1297904B1 Electromagnetic induction type actuator and portable communications device
04/18/2007CN2891559Y Cab sound device for subway train emulator
04/18/2007CN2891558Y Action communication device and loudspeaker module thereof
04/18/2007CN2891557Y Sound box suite with audio receiving device
04/18/2007CN2891556Y 耳机连接器 Headphone connector
04/18/2007CN2891555Y Loud hailer
04/18/2007CN2891554Y Loud hailer
04/18/2007CN2891553Y Mining product speaker box
04/18/2007CN1951146A Electro-acoustic converter and electronic device using the same
04/18/2007CN1949936A Loudspeaker device with vibration-proof design
04/18/2007CN1311713C Acousto-electric inventer
04/18/2007CN1311712C Concentric co-planar multiband electro-acoustic converter
04/17/2007US7206427 Flat panel surface array
04/17/2007US7206425 Actuator for an active noise control system
04/17/2007US7206422 Transducer assembly apparatus
04/17/2007US7206255 Signal processing apparatus and signal processing method
04/17/2007US7204342 Sound focus speaker of gas-filled sound lens attachment type
04/12/2007WO2007040875A2 Planar flexible voice coil suspension
04/12/2007WO2007039671A1 Reflex loudspeaker structure
04/12/2007WO2007024879A3 Headset with flashing light emitting diodes
04/12/2007WO2007024879A2 Headset with flashing light emitting diodes
04/12/2007WO2006133245A3 Sound reproduction with improved performance characteristics
04/12/2007US20070082421 Miniature Silicon Condenser Microphone
04/12/2007US20070082121 Processes For Texturing The Surface of A Hearing Instrument
04/12/2007US20070081691 Speaker device for portable terminal
04/12/2007US20070081687 Speaker system
04/12/2007US20070081685 Textured Surfaces For Hearing Instruments
04/12/2007US20070080412 Electric acoustic converter and electronic device using the same
04/12/2007US20070080019 Sound wave guide structure for speaker system and horn speaker
04/12/2007DE102005047383A1 Loudspeaker e.g. for police, ambulance cars, has driver and outside acoustic horn which is made of sections of flexible material and ductile and has internal acoustic horn which has flexible sections and is ductile
04/11/2007EP1773100A1 Adaptation of a directional microphone to long lasting effects
04/11/2007EP1773097A2 Acoustic actuators
04/11/2007EP1773094A2 Speaker device for portable terminal
04/11/2007EP1773093A1 Speaker system, and speaker cluster system
04/11/2007EP1773092A2 Enclosure with sealing arrangement
04/11/2007EP1772039A1 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
04/11/2007CN2888784Y A multifunctional clamp
04/11/2007CN2888783Y Loudspeaker system
04/11/2007CN2888782Y Movable battery chamber door device of earphone
04/11/2007CN2888781Y Open type earphone and its hanger
04/11/2007CN2888780Y Audio playing device
04/11/2007CN1947458A A portable speaker device
04/11/2007CN1947457A Headphone with cord reel
04/11/2007CN1947456A Electro-acoustic converter and electronic device using the same
04/11/2007CN1946245A Speaker device for portable terminal
04/11/2007CN1946244A Passive speaker vibration board
04/11/2007CN1310572C Loudspeaking device
04/11/2007CN1310571C Box body of loudspeaker
04/11/2007CA2527823A1 Programmable earpiece
04/10/2007US7203334 Apparatus for creating acoustic energy in a balanced receiver assembly and manufacturing method thereof
04/10/2007US7203332 Magnet arrangement for loudspeaker
04/10/2007US7203331 Voice communication device
04/10/2007US7203330 Switching unit for a microphone
04/10/2007US7203329 Audio speaker system employing an axi-symmetrical horn with wide dispersion angle characteristics over an extended frequency range
04/10/2007US7201996 Sound generator for a portable device
04/10/2007US7201252 Loudspeaker systems
04/10/2007US7201251 Modular speaker cabinet
04/05/2007WO2007037700A1 Directional audio capturing
04/05/2007WO2007036228A1 Earphone with transparent cover plate for sheet insert
04/05/2007US20070076912 Audio speaker enclosures
04/05/2007US20070076911 Portable audio reproduction system
04/05/2007US20070076908 Multiple channel audio encoder using difference signal
04/05/2007US20070076905 Audio output apparatus
04/05/2007US20070076904 Microphone preamplifier
04/05/2007US20070076901 Adapting a directional microphone signal to long-lasting influences
04/05/2007US20070076900 Microphone calibration with an RGSC beamformer
04/05/2007US20070076899 Audio collecting device by audio input matrix
04/05/2007US20070076897 Headsets and Headset Power Management
04/05/2007DE4446690B4 Lautsprecheranordnung Speaker assembly
04/05/2007DE202006017224U1 Hüftstativ für eine Tonangel Hüftstativ for a boom pole
04/05/2007DE102005044417A1 Hearing aid worn in external ear/auricle, has oblong microphone section, listener and electronics modules and battery compartment
04/05/2007DE102005042904A1 Mikrofon und Verfahren zum Übertragen von Audiodaten von einem Mikrofon Microphone and method for transmitting audio data from a microphone
04/04/2007EP1770964A2 Speaker device for portable terminal and portable terminal comprising the same
04/04/2007EP1769579A2 Speaker with frequency directed dual drivers
04/04/2007EP1769488A1 Superdirectional acoustic system and projector
04/04/2007CN2886960Y 骨传导扬声器 Bone conduction speaker
04/04/2007CN2886959Y A high-frequency loudspeaker combination
04/04/2007CN2886958Y A high-frequency loudspeaker
04/04/2007CN2886957Y Noise-proof earphone
04/04/2007CN2886956Y Locking device for mike suspender