Patents for H04R 1 - Details of transducers (42,173)
02/2005
02/01/2005CA2159207C Unidirectional ear microphone with multiple openings
01/2005
01/27/2005WO2005009073A1 Speech input device
01/27/2005WO2005009072A2 Microphone comprising integral multi-level quantizer and single-bit conversion means
01/27/2005WO2005008193A2 Acoustic vector sensor
01/27/2005WO2004064445A3 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance
01/27/2005US20050020110 Removable microphone mount and method
01/27/2005US20050018868 Passive acoustic radiating
01/27/2005US20050018866 Acoustically transparent debris barrier for audio transducers
01/27/2005US20050018864 Silicon condenser microphone and manufacturing method
01/27/2005US20050018859 Optically driven audio system
01/27/2005US20050018838 Communications headset with isolating in-ear driver
01/27/2005DE10392274T5 Am Ohr festzuklemmendes Headset On ear headset to be clamped
01/27/2005DE10327634A1 Mikrofon Microphone
01/27/2005DE10326761A1 Lautsprecher Speaker
01/27/2005DE10231491B4 Vorrichtung zur Umwandlung von Schallwellen in elektrische Signale A device for converting sound waves into electrical signals
01/26/2005EP1501331A1 Ultrasonic probe
01/26/2005EP1501074A2 Piezoelectric vibrator
01/26/2005EP1500913A2 An opto-acoustoelectric device and methods for analyzing mechanical vibration and sound
01/26/2005EP1500304A2 Loudspeaker positions select infrastructure signal
01/26/2005EP1500266A2 Method and apparatus for a light weight enclosure for projection televisions
01/26/2005EP1499406A1 Method and apparatus for data receiver and controller
01/26/2005EP0792547A4 A flexible microphone boom
01/26/2005CN2674809Y Multipurpose loadspeaker box
01/26/2005CN2674808Y Eear phone cover
01/26/2005CN2674656Y Wireless earphone cell holder structure
01/26/2005CN1572124A Modular headset for cellphone or mp3 player
01/26/2005CN1571580A Loudspeaker system with LED lamp and controller therefor
01/26/2005CN1571288A Method for processing sound signal in communication system and communication system therefor
01/26/2005CN1186917C Wireless headset apparatus and method for selecting wireless headset apparatus direction
01/25/2005US6847725 Radio, infrared, and audio assistive listening device
01/20/2005WO2005006805A2 Microphoning
01/20/2005WO2004077924A3 Communications headset with isolating in-ear driver
01/20/2005US20050015027 Portable body-felt vibration system
01/20/2005US20050013460 Speaker housing
01/20/2005US20050013459 Door speaker apparatus and door panel
01/20/2005US20050013458 Device and method for assisting vocalists in hearing their vocal sounds
01/20/2005US20050013455 MEMS digital-to-acoustic transducer with error cancellation
01/20/2005US20050013454 Multi-channel audio center speaker device
01/20/2005US20050013447 Supplying electrical power
01/20/2005US20050013237 Packaging ribbon capable of recording a digital message
01/20/2005DE102004037361A1 Injection molded cover with a grid structure for automobile loudspeakers and air vents in automobiles is molded in a PA-ABS compound
01/19/2005EP1499017A2 Electrical power supply
01/19/2005EP1498317A1 Door loudspeaker apparatus and door panel
01/19/2005EP1497823A1 Nicrophone and voice activity detection (vad) configurations for use with communication systems
01/19/2005EP1236375B1 Flat loudspeaker system for bass reproduction
01/19/2005CN2673017Y Radio ear phone
01/19/2005CN2673015Y Foamed cloth edge of speaker
01/19/2005CN2673014Y Microphone holder
01/19/2005CN2672756Y Computer with receiver function
01/19/2005CN1568230A Frequency and amplitude apodization of transducers
01/19/2005CN1185907C Mic support with joint unit moulded together with conductive strip
01/18/2005US6845168 Speaker for an electronic instrument
01/18/2005US6845167 Contacting arrangement for an electroacoustic microphone transducer
01/18/2005US6845163 Microphone array for preserving soundfield perceptual cues
01/18/2005US6843345 Device and method for installing vehicle door speaker
01/13/2005WO2005004532A1 Handsfree system for use in a vehicle
01/13/2005WO2005004531A1 Omnidirectional stereo loudspeaker
01/13/2005WO2005004084A1 Knowledge acquisition system, apparatus and processes
01/13/2005WO2004065841A3 Off-axis reducible support structure
01/13/2005US20050009583 Directional wireless communication systems
01/13/2005US20050009580 Holder for a small-sized acoustic element, and mounting structure for the holder
01/13/2005US20050008187 Speaker cabinet
01/13/2005US20050008186 Sealing composition for inflated articles
01/13/2005US20050008185 Portable terminal having earphone winding device built therein
01/13/2005US20050008184 Headset
01/13/2005US20050008183 Electronic device mount for mask
01/13/2005US20050008182 Microphone apparatus
01/13/2005US20050008181 Acoustic waveguide for controlled sound radiation
01/13/2005US20050008180 Ambidextrous earpiece
01/13/2005US20050008174 Underwater sound source
01/13/2005US20050008173 Speaker system
01/13/2005US20050008167 Device for picking up/reproducing audio signals
01/13/2005US20050008165 Automated system for adjusting line array speakers
01/13/2005US20050006985 Short-circuit noise abatement device and method for a gas ultrasonic transducer
01/13/2005US20050006171 Adaptor for mounting a sound tube in an earpiece
01/13/2005DE202004016147U1 Decorative earphones, have cable which forms loop around users neck when earpiece end of cable is attached to piece of jewelry
01/13/2005CA2531622A1 Knowledge acquisition system, apparatus and processes
01/12/2005EP1496723A1 Fiber optic sensor array based on sagnac interferometer
01/12/2005EP1496722A1 Ear pad, and earphone with the pad
01/12/2005EP1496721A2 Flat display apparatus
01/12/2005EP1496671A1 Electronic equipment
01/12/2005EP1495655A1 Sound reproduction employing unity summation aperture loudspeakers
01/12/2005EP1495654A1 Antihelix-conforming ear-mount for personal audio-set
01/12/2005EP1495359A2 Electrochromic rearview mirror assembly incorporating a display/signal light
01/12/2005CN2671273Y Anti-coresonance structure of loudspeaker
01/12/2005CN2671272Y Active multimedia loudspeaker boxes
01/12/2005CN2671271Y 无线耳机 Wireless Headset
01/12/2005CN2671270Y Glasses with earphone
01/12/2005CN1565146A Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil
01/12/2005CN1565144A Directional audio signal processing using an oversampled filterbank
01/12/2005CN1565016A Method for reproducing sound signals and sound reproducing system
01/12/2005CN1565015A Method for canceling unwanted loudspeaker signals
01/12/2005CN1184852C Acoustic transmission connection, headset with acoustic transmission connection, and uses of acoustic transmission connection
01/11/2005US6842530 Electric acoustic converter having a rear surface terminal
01/06/2005WO2005002199A2 System and method for delivering audio-visual content along a customer waiting line
01/06/2005WO2005000158A2 Acoustically transparent debris barrier for audio transducers
01/06/2005WO2004007097A8 Acoustic-signal emitting device for vehicles
01/06/2005US20050004802 Voice activated diagnostic imaging control system
01/06/2005US20050002542 Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement
01/06/2005US20050002537 Resonant panel-form loudspeaker