H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
11/2004
11/04/2004	US20040218770 Audio device with retractable earpieces
11/04/2004	US20040216948 Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources
11/04/2004	US20040216947 Ear coupler
11/04/2004	US20040216946 Headphone
11/04/2004	DE202004013741U1 Mikrofonhalter Microphone Holder
11/04/2004	DE10297424T5 Eine fokussierende Ultraschallwellen-Quelle A focusing ultrasonic wave source
11/03/2004	EP1473964A2 Microphone array, method to process signals from this microphone array and speech recognition method and system using the same
11/03/2004	EP1473963A1 Loudspeaker mounting frame, loudspeaker and loudspeaker cabinet
11/03/2004	EP1472903A2 Transducer motor/generator assembly
11/03/2004	EP0776590B1 Bandpass woofer and method
11/03/2004	CN2653827Y Radio earphone device
11/03/2004	CN1543261A Loudspeaker mounting frame, loudspeaker and loudspeaker cabinet
11/02/2004	US6813364 Electric/acoustic transducer module, in-ear hearing aid and method for manufacturing an in-ear hearing aid
11/02/2004	US6813362 Loudspeaker and method of making same
11/02/2004	US6811431 Connector
11/02/2004	US6810987 Earbud headset
10/2004
10/29/2004	CA2465581A1 In-wall speaker system method and apparatus
10/28/2004	WO2004093493A1 Bone-conductive type hearing aid
10/28/2004	WO2004093491A1 Horn speaker
10/28/2004	WO2004093490A1 Personal audio system with earpiece remote controller
10/28/2004	WO2004093488A2 Directional speakers
10/28/2004	WO2004093487A2 Systems and methods for interference suppression with directional sensing patterns
10/28/2004	US20040215079 Ultrasonic probe
10/28/2004	US20040213429 Fixture mounting assembly
10/28/2004	US20040213428 Headphone
10/28/2004	US20040213427 Transmitter for headset
10/28/2004	US20040213426 Apparatus, methods, and articles of manufacture for a microphone enclosure
10/28/2004	US20040213425 Flat panel surface array
10/28/2004	US20040213418 Method for transfer of sound source signals
10/28/2004	US20040212906 Internal rear-view mirror for motor vehicles
10/28/2004	US20040211310 Sound pickup device for percussion instrument
10/28/2004	CA2521948A1 Systems and methods for interference suppression with directional sensing patterns
10/27/2004	EP1471766A1 Electronic device with loudspeaker
10/27/2004	EP1470734A2 Low profile audio speaker
10/27/2004	EP1470546A1 Method and apparatus for focussing ultrasonic energy
10/27/2004	CN2652076Y Earphone with isolychn
10/27/2004	CN2652075Y Loudspeaker box without directionality
10/27/2004	CN2652074Y 9.1 sound track three-dimensional circular loudspeaker
10/27/2004	CN2652073Y Loudspeaker boxes
10/27/2004	CN2652072Y Digital liquid-crystal wireless earphone receiver
10/27/2004	CN2652071Y Wireless ear microphone
10/27/2004	CN2652070Y Non-holder earpiece with variable hang-up ways
10/27/2004	CN2651058Y Intelligent computer lound speaker of vehicle
10/27/2004	CN1541499A Speaker port system for reducing boundary layer separation
10/27/2004	CN1541497A Speaker device
10/27/2004	CN1541433A Connector for electro-acoustic component and connection structure thereof
10/27/2004	CN1540981A Electronic device with speakers
10/27/2004	CN1173599C Digital electro-acoustic transducer
10/27/2004	CN1172755C Electromagnetic induction type actuator device and mounting structure therefor
10/27/2004	CN1172632C Sound pickup sensor
10/26/2004	US6810128 Electromagnetic induction actuator and portable telecommunications equipment
10/26/2004	US6810127 Clear sound side fill center fill
10/26/2004	US6808044 Lightweight loudspeaker enclosure
10/22/2004	CA2434816A1 Wire collecting device
10/21/2004	WO2004091253A1 Sound wave opening and shutting type case of headphone
10/21/2004	WO2004091252A1 Back sound reduction type headphone
10/21/2004	WO2004091251A1 Electronic apparatus and audio signal outputting method of electronic apparatus
10/21/2004	WO2004089220A1 Ultrasonic probe and ultrasonic diagnosing device using it
10/21/2004	WO2004071129A3 Multimedia loudspeaker
10/21/2004	WO2003090511A3 Method and apparatus for a light weight enclosure for projection televisions
10/21/2004	US20040209654 Directional speaker for portable electronic device
10/21/2004	US20040208336 Support structure of loudspeaker unit and loudspeaker system
10/21/2004	US20040208335 Headphones
10/21/2004	US20040208334 Vehicle accessory microphone
10/21/2004	US20040208333 Directional hearing enhancement systems
10/21/2004	US20040208327 Microphone bias circuit
10/21/2004	US20040208325 Method and apparatus for wireless audio delivery
10/21/2004	US20040208324 Method and apparatus for localized delivery of audio sound for enhanced privacy
10/21/2004	US20040206572 Electroacoustic public address unit with acoustic horn or waveguide
10/21/2004	DE10358559A1 Portable terminal e.g. personal digital assistant converts resistance of external accessory plugged into multipurpose ear jack into analog-to-digital conversion value, and compares it with prestored conversion values
10/21/2004	DE10338313A1 Vibration plate for loudspeaker boxes to improve quality of low notes, has elastic attachment for loudspeaker boxes
10/21/2004	DE10124646B4 Lautsprecherbox Speaker
10/20/2004	EP1468431A1 Inductive device
10/20/2004	CN2650440Y Connecting device for loudspeaker box
10/20/2004	CN2650437Y Phase reverse voice box
10/20/2004	CN2650436Y Voice box
10/20/2004	CN2650435Y Sounding device for fastenering positioning and connecting
10/20/2004	CN2650434Y Earphone wire-winding disk
10/20/2004	CN1538783A Support structure of loudspeaker unit and loudspedker system
10/20/2004	CN1538626A 无线传输模块 Wireless transmission module
10/20/2004	CN1172253C Portable information terminal unit
10/19/2004	US6807284 Speaker and speaker device
10/19/2004	US6807282 Electromagnetic induction type actuator device and mounting structure therefor and pda(personal digital assistant)
10/19/2004	US6807281 Loudspeaker and method of driving the same as well as audio signal transmitting/receiving apparatus
10/19/2004	US6807053 Computer with built-in type speakers
10/19/2004	US6807051 Display apparatus
10/19/2004	US6806622 Impact-reinforced piezocomposite transducer array
10/14/2004	WO2004089036A2 Outdoor loudspeaker with passive radiator
10/14/2004	WO2004068464A3 Acoustic vibration sensor
10/14/2004	WO2004016035A3 Piezoelectric loudspeaker
10/14/2004	US20040204209 Headset storage system
10/14/2004	US20040204167 Microphone assembly for a vehicle hands-free telephone
10/14/2004	US20040203537 Wireless transmission module
10/14/2004	US20040203515 Arrangement of receptacle and mobile device
10/14/2004	US20040203503 Portable electronic apparatus
10/14/2004	US20040203494 Double-resonator micro-speaker assemblies and methods for tuning the same
10/14/2004	US20040203414 Wearable electronic device
10/14/2004	US20040202346 Wall mounting speaker assembly
10/14/2004	US20040202343 Speakerphone accessory assembly
10/14/2004	US20040202342 Compound loudspeaker drive unit having a magnet system

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