H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type

Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486)
12/2009
12/15/2009	US7634101 Thermal management system for loudspeaker having internal heat sink and vented top plate
12/15/2009	US7634100 Rigging system for loudspeakers
12/15/2009	US7634099 High-fidelity earpiece with adjustable frequency response
12/10/2009	WO2009147700A1 Speaker
12/09/2009	EP2131608A2 Dome-shaped diaphragm and loudspeaker using the same
12/09/2009	EP2131607A2 Speaker
12/09/2009	EP2131606A2 Speaker
12/09/2009	CN201360348Y Flat film loudspeaker
12/09/2009	CN201360347Y Loudspeaker with paper tube voice coil
12/09/2009	CN201360346Y Loudspeaker with side voicing
12/09/2009	CN201360345Y Loudspeaker with double magnetic steels
12/09/2009	CN201360344Y Loudspeaker with heat-radiating holes on magnetic cover
12/09/2009	CN201360343Y Multi-connection symmetrical driving low frequency loudspeaker
12/09/2009	CN201360342Y Wiring device of micro moving-coil type electro-acoustic converter
12/09/2009	CN201360341Y Micro moving-coil type electro-acoustic converter
12/09/2009	CN201360340Y Micro moving-coil type electro-acoustic converter
12/09/2009	CN201360339Y Micro moving-coil type electro-acoustic converter
12/09/2009	CN201360338Y Radiating structure of speaker
12/09/2009	CN201360337Y Improved structure of double-circuit speaker
12/09/2009	CN101601309A Multifunction oscillatory actuator
12/09/2009	CN101600138A Speaker
12/09/2009	CN101600137A Speaker
12/09/2009	CN101600136A Loudspeaker positioning support chip
12/09/2009	CN101600135A Voice coil
12/09/2009	CN101600134A Dome-shaped diaphragm and loudspeaker using the same
12/09/2009	CN101600131A Passive radiator loudspeaker system
12/08/2009	US7630508 Electro-acoustic transducer and electronic apparatus using it
12/08/2009	US7630506 Condenser microphone unit
12/03/2009	WO2009144773A1 Electromagnetic convertor
12/03/2009	WO2009144772A1 Electromagnetic convertor
12/03/2009	US20090298430 Directional communication systems
12/03/2009	US20090296979 Speaker
12/03/2009	US20090296978 Speaker
12/03/2009	DE102008024901A1 Magnetic system assembling method for broadband-sound converter i.e. isodynamic high-frequency electro-acoustic 4Pi converter, involves designing system such that system allows functioning of converter for each frequency range
12/02/2009	CN100566457C Voice coil insertion jig, speaker producing method using the jig
12/02/2009	CN100566456C Speaker and method of manufacturing the same
12/01/2009	US7627134 Magnet retention system in planar loudspeakers
11/2009
11/26/2009	WO2009142091A1 Speaker
11/26/2009	WO2009110705A3 Voice coil structure for a bone-conduction speaker, and a bone-conduction speaker
11/26/2009	DE102008024816A1 Dynamischer elektro-akustischer Wandler und Hörer Dynamic electro-acoustic transducer and receiver
11/26/2009	DE102007020847B4 Membran-Anordnung für einen elektrodynamischen Schallwandler und Lautsprecher mit einer derartigen Membran-Anordnung Membrane assembly for an electrodynamic transducer and speaker with such a membrane configuration
11/25/2009	EP2124480A1 Speaker device
11/25/2009	EP2123110A1 Loudspeaker
11/25/2009	CN201352850Y Practical loudspeaker voice coil
11/25/2009	CN101588530A Moving-magnetic type bone conduction audio-frequency transducer
11/25/2009	CN100563379C Exciter for directly vibrating board
11/24/2009	US7623672 Microphone array in housing receiving sound via guide tube
11/24/2009	US7623671 Narrow directional microphone
11/19/2009	WO2009140558A2 Portable device accessory and methods of manufacture
11/19/2009	WO2009139202A1 Electroacoustic transducer
11/19/2009	US20090285429 Portable electronic device with a magnetic-locking speaker
11/19/2009	US20090285417 Multi-function micro speaker
11/18/2009	EP2120483A2 Electroacoustic transducing device
11/18/2009	EP2119307A1 Composite suspension system for electro-acoustic transducers
11/18/2009	CN101584225A Speaker, video device, and mobile information processing device
11/18/2009	CN101583068A Electroacoustic transducing device
11/18/2009	CN101583067A Electroacoustic transducing device
11/17/2009	US7619498 Vibrator
11/12/2009	US20090279718 Audio recordation and reproduction spring clips
11/12/2009	DE10144787C5 Fahrzeug mit einem Schallabstrahlelement Vehicle with a Schallabstrahlelement
11/11/2009	CN201345729Y Micro sounding element
11/11/2009	CN201345728Y Micro-speaker
11/11/2009	CN201341694Y Music pillow for antenatal training
11/11/2009	CN101578890A Microphone array with electromagnetic interference shielding means
11/11/2009	CN101578889A Electro-acoustic converter
11/11/2009	CN101577849A Loudspeaker environment-friendly vibrating body material
11/05/2009	WO2009133986A1 Sensory signal output apparatus
11/05/2009	WO2009133149A1 Ironless and leakage free coil transducer motor assembly
11/05/2009	WO2009121098A9 Tissue injection fixation system for a prosthetic device
11/05/2009	WO2009121097A9 Mechanical fixation system for a prosthetic device
11/05/2009	US20090274333 Electronic device with internal array microphone affixed to rear cover of display
11/05/2009	DE102008022031A1 Flat bass-loudspeaker for use in e.g. proaudio application, has oscillator coil, flexible wire that is woven by flat centering, and thin copper ring and copper cup fastened around outer edge of pole plate
11/05/2009	CA2721268A1 Ironless and leakage free coil transducer motor assembly
11/04/2009	EP2114087A1 Speaker voice coil
11/04/2009	EP2114086A1 Ironless and leakage free coil transducer motor assembly
11/04/2009	CN201341232Y Voice coil lead wire and vibrating diaphragm fixing structure
11/04/2009	CN201341231Y Electricity-powered loudspeaker
10/2009
10/28/2009	EP1274275B1 Speaker
10/28/2009	CN101568052A Flat plane speaker with double corrugated rims on vibrating diaphragm
10/27/2009	US7609843 Sound collector
10/22/2009	WO2009127989A1 Magnet system and method of manufacturing the same
10/22/2009	US20090262972 Speaker and device using this speaker
10/22/2009	US20090262971 Speaker
10/22/2009	DE202008017374U1 Lautsprecher in Form eines Unterputz-Elektro-Installationsgeräts eines Gebäudeinstallationssystems Speakers in the form of a flush-mounted electrical installation unit of a building installation system
10/22/2009	DE102008018206B3 Loudspeaker, has assembly cone with smaller diameter end connected with voice coil body and lower centering, and larger diameter end connected with diaphragm and upper centering, where diaphragm has arbitrary shape
10/22/2009	DE102008017054A1 Method for reducing distortions in sound reproduction of loudspeaker, involves feeding audio input signal by moving coil, where position of moving coil is continuously measured
10/22/2009	DE102006002875B4 Schallwandler-Magnetsystem Transducer magnet system
10/21/2009	EP2111057A2 Speaker, voice coil unit, and method of manufacturing the voice coil unit
10/21/2009	EP1020096B1 Miniature full range loudspeaker
10/21/2009	CN201332502Y Multi-media speaker
10/21/2009	CN201332501Y Thin type woofer provided with foam ring
10/21/2009	CN201332500Y Loudspeaker
10/21/2009	CN201332499Y Novel audio frequency converter
10/21/2009	CN201332498Y Nd Fe B parallel magnetic circuit
10/21/2009	CN201332497Y Double-magnetic circuit double-mesopore vibrating diaphragm loudspeaker
10/21/2009	CN201332496Y Ribbon voice diaphragm loudspeaker driven by conduction sheets
10/21/2009	CN101563939A Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
10/21/2009	CN101562772A Method for designing whole acoustic structure of micro-telephone receiver
10/21/2009	CN101562769A High-sensitivity miniature telephone receiver for digital communication
10/21/2009	CN101562768A Minitype acoustic generator

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