Patents for H04R 1 - Details of transducers (42,173)
05/2006
05/30/2006US7054452 Signal processing apparatus and signal processing method
05/30/2006US7054451 Sound reinforcement system having an echo suppressor and loudspeaker beamformer
05/30/2006US7052463 Method and apparatus for cooling a contacting surface of an ultrasound probe
05/30/2006US7051835 Bass-reflex loudspeaker system and method of manufacturing the same
05/30/2006CA2405210C Device for reducing structural-acoustical coupling between the diaphragm vibration field and the enclosure acoustic modes
05/26/2006WO2006055801A2 Loudspeaker with assembly and performance improvements
05/26/2006WO2006055723A1 Hearing protection and earphone device
05/26/2006WO2006054337A1 Panel-type loudspeaker device
05/25/2006WO2006034125A9 Sound and vibration transmission pad and system
05/25/2006US20060111044 Stereo signal communication using bluetooth transceivers in earpieces
05/25/2006US20060110003 Voice coil mounting structure
05/25/2006US20060109996 Microphone system for vehicle
05/25/2006US20060109989 Sound projector
05/24/2006EP1659822A1 Earphone antenna connecting device and portable wireless device
05/24/2006EP1659332A2 Recessed frame and corresponding lighting device
05/24/2006EP1289798B1 Reversing alarm
05/24/2006DE10315962B4 Basslautsprecher Woofer
05/24/2006CN2783673Y Earphone for digital music player
05/24/2006CN2783672Y Foldable stell strip for earphone
05/24/2006CN2783671Y Structure improved lounderspeakers
05/24/2006CN2783670Y Rotary component with rotary sound box
05/24/2006CN2783669Y Bluetooth earphone with improved power source
05/24/2006CN1778142A Information terminal device
05/24/2006CN1778141A Vehicle loudspeaker array
05/24/2006CN1778140A A microphone/ear-headphone unit and a computer system
05/24/2006CN1776380A Capacitive coseismic vector hydrophone and its process
05/24/2006CN1776379A Three-dimensional airfoil coseismic vector hydrophone and its process
05/24/2006CN1257021C Device for driving vibration source
05/23/2006US7050869 Audio system conducting digital signal processing, a control method thereof, a recording media on which the control method is recorded
05/23/2006US7050602 Low capacitance receiver coil
05/23/2006US7050600 Speaker system, mobile terminal device, and electronic device
05/23/2006US7050599 Communications earpiece and method of attenuating acoustical signals
05/23/2006US7050597 Directional capacitor microphone
05/23/2006US7050596 System and headphone-like rear channel speaker and the method of the same
05/23/2006US7050578 Sound producing device for an electronic instrument such as a telephone
05/23/2006US7049908 Surface acoustic wave device and communication apparatus
05/18/2006WO2005114780A3 Low cost acoustical structures manufactured from conductive loaded resin-based materials
05/18/2006WO2004082326A3 Sound reproducing apparatus and method for optimizing same
05/18/2006US20060105602 Connector for condenser microphone
05/18/2006US20060104459 Method for reducing interferences of a directional microphone
05/18/2006US20060104457 Microphone system and microphone apparatus
05/18/2006US20060104455 Microphone array signal enhancement
05/18/2006US20060102571 Releasable mounting apparatus
05/18/2006DE10345645B4 Lautsprecheranordnung Speaker assembly
05/18/2006DE102005052680A1 Tensioning device for holding two walls apart such as for the sides walls of a loud speaker using a sleeve with right and left threads
05/17/2006EP1657955A1 Microphone coupler for a communication device
05/17/2006EP1656817A2 Ear warmer with a speaker system
05/17/2006EP1330935A4 Multi-channel headphone system
05/17/2006CN2781695Y Loudspeaker in folding mattress
05/17/2006CN2781693Y Chord loudspeaker
05/17/2006CN2781692Y 麦克风 Microphone
05/17/2006CN2781691Y Earphone connected with spectacle frame
05/17/2006CN2781690Y Improved structure of earphone
05/17/2006CN2781689Y Earphone with socket
05/17/2006CN1774953A Personal audio system with earpiece remote controller
05/17/2006CN1774140A Inverted phase type loudspeaker and producing method thereof
05/17/2006CN1774139A Speaker apparatus for vehicle
05/17/2006CN1773418A Portable computer loudspeaker system and related loud speaker unit
05/17/2006CN1256855C Three-line earphone interface circuit and its circuit method
05/16/2006US7047198 Audio input device and method of controlling the same
05/16/2006US7046816 Coincident source stereo speaker
05/16/2006US7046815 Microphone
05/16/2006US7044265 Constant directivity acoustic horn
05/16/2006CA2525357A1 Microphone coupler for a communication device
05/11/2006WO2006049092A1 Earphone adaptor
05/11/2006WO2006027704A3 Stabilized deployable-retractable system, principally for an acoustic loudspeaker system
05/11/2006WO2005070070A3 Ear wrap headphone or headset with ornamental object
05/11/2006US20060098838 Dynamic micro speaker with dual suspension
05/11/2006US20060098837 Loudspeaker
05/11/2006US20060098834 Microphone pick-up device
05/11/2006US20060098829 Bone conduction device
05/11/2006US20060098812 Headset
05/11/2006US20060097855 Vehicle rearview mirror assembly incorporating a communication system
05/11/2006DE102004051091A1 Drahtloser Kopfhörer und Verfahren zum Übertragen von Daten Wireless headset and method for transmitting data
05/10/2006EP1655995A2 Sound diffuser for high fidelity sound reproduction systems
05/10/2006EP1655992A1 Diffuser and speaker using the same
05/10/2006EP1654906A2 Passive acoustic radiating
05/10/2006EP1654905A2 Device and method for assisting vocalists in hearing their vocal sounds
05/10/2006EP0951797A4 Noise control device
05/10/2006CN2779777Y A communicating device
05/10/2006CN2779776Y Multimedia earphone having conjoined fixing mic-arm
05/10/2006CN2779774Y Dual-component loudspeaker box
05/10/2006CN2779773Y Sound optimized loudspeaker
05/10/2006CN2779772Y Improved ear canal structure
05/10/2006CN2779771Y Combined foldable mini sound box
05/10/2006CN2779770Y An earphone with USB plug
05/10/2006CN1771757A Electret capacitor microphone
05/10/2006CN1771715A Telephone transmitter/receiver
05/10/2006CN1770924A Transverse integrative sound box for flat television
05/10/2006CN1770923A Wireless earpiece for cell phone
05/10/2006CN1769887A Ultrasonic examining instrument
05/09/2006US7043279 Handsfree structure with antibackground noise function
05/09/2006US7043046 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
05/09/2006US7043045 Speaker
05/09/2006US7043044 Portable audio player
05/09/2006US7043043 Microphone apparatus
05/09/2006US7043042 Button apparatus with a speaker
05/09/2006US7043036 Audio reproducing apparatus
05/09/2006US7043035 Miniature microphone
05/09/2006US7042616 Electrochromic rearview mirror assembly incorporating a display/signal light