Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
09/2005
09/21/2005CN2728142Y A shock-proof support leg structure for sound box
09/21/2005CN2728141Y 一种麦克风 One kind of microphone
09/21/2005CN2728140Y Remote control television wireless earphone
09/21/2005CN1672460A Embedded stereo microphone assembly for mobile phone
09/21/2005CN1672459A External stereo microphone assembly having built-in structure
09/21/2005CN1672457A Sound transducer comprising a small rear volume chamber
09/21/2005CN1672456A Surface mountable electret condenser microphone
09/21/2005CN1672404A Method of and system for controlling the operation of a video system
09/21/2005CN1671251A Multifunction speaker
09/21/2005CN1671250A Speaker
09/21/2005CN1671249A Acoustic paper diaphragm and acoustic transducer apparatus
09/21/2005CN1671248A Acoustic radiating
09/21/2005CN1671247A Microphone device
09/21/2005CN1671245A Portable terminal reel type earphone microphone
09/21/2005CN1671060A Audio equipment
09/21/2005CN1670823A Method for detecting and reducing noise from a microphone array
09/21/2005CN1670819A Acoustic waveguiding
09/20/2005US6946774 Segmented uniform energy megasonic transducer
09/20/2005CA2284341C Headphone device
09/17/2005CA2497859A1 Method for detecting and reducing noise via a microphone array
09/15/2005WO2005086526A1 Method of creating a sound field
09/15/2005WO2005086524A1 Earphone
09/15/2005WO2005086523A1 Speaker apparatus
09/15/2005WO2005086522A1 Bone conduction device
09/15/2005WO2005086465A1 Mobile phone including two mobile phones and one single battery
09/15/2005WO2005085508A1 Woven or knitted fabric, diaphragm for speaker, and speaker
09/15/2005WO2004071129B1 Multimedia loudspeaker
09/15/2005US20050203912 Method and apparatus for configuring a mobile device
09/15/2005US20050201663 Hydrophone mandrel for precise placement of gratings
09/15/2005US20050201587 Speaker
09/15/2005US20050201586 Electro-acoustic transducer
09/15/2005US20050201583 Low frequency surface array
09/15/2005US20050201582 Optimum driver spacing for a line array with a minimum number of radiating elements
09/15/2005US20050201576 Mars suit external audion system
09/15/2005US20050201571 Acoustic bracket system
09/15/2005US20050201569 All-in-one headset
09/15/2005US20050201550 Closeable radio communications device providing an acousitic chamber
09/15/2005US20050201204 High precision beamsteerer based on fixed beamforming approach beampatterns
09/15/2005US20050200709 Composition photographing apparatus and sound recording method using the same
09/15/2005US20050199975 Circuit device
09/15/2005DE102004060944A1 Anzeigeeinheit für einen Kühlschrank Display unit for a refrigerator
09/15/2005DE102004019827A1 Motor vehicle has microphone placed on point of roofliner upon which it is hidden by sun visor in position pivoted against roofliner, whereby sun visor is constructed to be sound-penetrable at least in region covering microphone
09/15/2005DE102004011011A1 Boom arm for microphone, has adjustable length controlled by rocker switch, with power supplied from batteries
09/15/2005DE102004001630B3 Current and sound guidance device for e.g. vacuum cleaner, has bent plates vertically arranged with respect to base plate, connecting base and cover plates, and fixed to molding tool via groove, where device is manufactured from wood
09/15/2005CA2558300A1 Bone conduction device
09/14/2005EP1575333A2 Speaker
09/14/2005EP1575331A2 Beamsteerer
09/14/2005EP1575330A2 Gooseneck microphone with stiffening element
09/14/2005EP1575329A2 Gooseneck microphone with holder in form of spherical head
09/14/2005EP1575286A2 Combined camcorder and stills camera
09/14/2005EP1573946A2 Digital transmission and control system for vehicles
09/14/2005EP1198942A4 Communication earpiece without impulse and high frequency noise
09/14/2005CN2726257Y Multifunctional switch type double track stereophonic earphone
09/14/2005CN2726256Y Rotary integrated loudspeaker box
09/14/2005CN2726255Y T-type duplex vibration-proof base
09/14/2005CN2726254Y High-grade music centre bottom board capable of regulating sound field tone
09/14/2005CN2726253Y Hidden adjustable direction domestic loudspeaker box
09/14/2005CN2726252Y Loudspeaker box supporting device for playing apparatus
09/14/2005CN2726251Y Combined digital audio frequency player
09/14/2005CN1669355A Hearing aid or similar audio device and method for producing a hearing aid
09/14/2005CN1668140A Speaker
09/14/2005CN1668080A Composition photographing apparatus and sound recording method using the same
09/13/2005US6944312 Lay-in ceiling speaker
09/13/2005US6944311 Speaker for vehicle
09/13/2005US6944307 Microphone/earpiece device for a mobile telephone, telephone exchange or the like
09/13/2005US6942060 Portable information terminal device
09/09/2005WO2005084072A1 Audio headphone
09/09/2005WO2005084071A2 Speaker for inwall installation
09/09/2005WO2005083550A2 Display device having sound-generating means
09/09/2005WO2005034571B1 Noise canceling microphone with acoustically tuned ports
09/09/2005WO2005016757A3 Packaging ribbon capable of recording a digital message
09/09/2005CA2460302A1 All-in-one headset
09/08/2005US20050197565 Audio communication apparatus for MRI apparatus
09/08/2005US20050196009 Earpiece with an inertial sensor
09/08/2005US20050196007 Adhesive microphone
09/08/2005US20050196006 Speaker
09/08/2005US20050195988 System and method for beamforming using a microphone array
09/08/2005US20050195987 Acoustic system
09/08/2005US20050195687 Pressure compensated hydrophone
09/08/2005US20050194203 Planar speaker edge
09/08/2005US20050194202 Speaker insulator and a speaker apparatus
09/08/2005DE202005009405U1 Headphones for receiving audio signals have ear hoops with two independent earpieces connected by a cable, a source of audio signals and control knobs
09/08/2005DE202005005942U1 Portable wireless loudspeaker box for operation with an infrared sensor has a main body with a retaining area for positioning elements, a battery compartment, a sensor and circuit boards
09/08/2005DE10343858B4 Ventiliertes Gehäuse für Tieftonlautsprecher oder Bandpässe Ventilated enclosure for woofer or bandpass filters
09/07/2005EP1571885A1 Audio signal reproducing method and reproducing apparatus
09/07/2005EP1571881A2 Method and device for adapting the phase of microphones in a directional hearing-aid
09/07/2005EP1571875A2 A system and method for beamforming using a microphone array
09/07/2005EP1571873A1 Acoustic system
09/07/2005EP1571872A1 Ear-hook earphone with microphone
09/07/2005EP1571871A1 Speaker cabinet
09/07/2005EP1571870A1 Array speaker equipped with projection screen
09/07/2005EP1570705A1 Stereo signal communication using bluetooth transceivers in earpieces
09/07/2005EP1570704A1 Multispeaker sound imaging system
09/07/2005EP1570629A1 Wireless terminal providing sound pressure level dissipation through channeled porting of sound
09/07/2005EP1358618A4 Method for multiple suppression based on phase arrays
09/07/2005EP1348314A4 Directional microphone
09/07/2005CN2724340Y Clock lamp speaker
09/07/2005CN2724339Y Sound field changeable earphone
09/07/2005CN2724338Y Loudspeaker of leading wire pass through support sheet structure
09/07/2005CN2724337Y Portable electronic device base
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