Patents for H04R 1 - Details of transducers (42,173)
05/2007
05/24/2007US20070116316 Music headphones for manual control of ambient sound
05/24/2007US20070116313 Electro-acoustic Sound Diffuser
05/24/2007US20070114855 Actuator
05/24/2007DE102005060695A1 Im-Ohr-Kopfhörer mit einem Ohrhänger In-Ear Headphones with Earrings
05/24/2007DE102005021012B4 Head-Set für eine Funktionseinrichtung Head set for a functional device
05/23/2007EP1788846A1 Audio reproducing system
05/23/2007EP1788836A2 Mounting bracket and speaker unit
05/23/2007EP1788835A1 Loudspeaker system
05/23/2007EP1788712A2 Radio receiver
05/23/2007EP1787491A1 Silicon condenser microphone and manufacturing method
05/23/2007CN2904536Y Adjustable supra-aural microphone
05/23/2007CN2904535Y Adjustable telescopic loudspeaker structure for 2-D display device
05/23/2007CN2904534Y Loudspeaker device
05/23/2007CN2904533Y Phase plug
05/23/2007CN2904532Y Pickup capable of regulating frequency and response curve
05/23/2007CN2904531Y Coaxial loudspeaker structure
05/23/2007CN2904530Y Acoustocontroller for bidirectional interphone system
05/23/2007CN2904529Y Single magnetic coaxial loudspeaker
05/23/2007CN2904528Y Plug contact pin for earphone
05/23/2007CN2904527Y 简易扩音器 Simple megaphone
05/23/2007CN2904526Y Microphone
05/23/2007CN2904525Y Earrings type earphone
05/23/2007CN2904524Y Insert earphone
05/23/2007CN2904523Y Size adjustable casing for music centre
05/23/2007CN2904522Y Music centre interface main body and rear plug connecting structure
05/23/2007CN2904521Y Fastener hanger for loudspeaker box combination
05/23/2007CN2904520Y Loudspeaker structure
05/23/2007CN2904519Y Multifunctional blue tooth loudspeaker box
05/23/2007CN2904518Y Embedded loudspeaker box
05/23/2007CN2904517Y Multifunctional airflow tube convection loudspeaker box
05/23/2007CN1969590A Magnet assembly for a transducer
05/23/2007CN1969588A Electroacoustic transducer and electronic device using the same
05/23/2007CN1968546A Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant
05/23/2007CN1968541A Earphone amplifier with USB soundcard and hub
05/22/2007US7221773 Oval speaker apparatus and method of manufacturing the same
05/22/2007US7221772 Electronic device comprising a loudspeaker unit
05/22/2007US7221622 Speaker distance detection apparatus using microphone array and speech input/output apparatus
05/22/2007US7219763 Microphone assembly fitted to vehicle-mounted control module panel, that fits well
05/18/2007WO2007054878A1 Arrangement for optimizing the frequency response of an electro-acoustic transducer
05/18/2007WO2007054709A2 Acoustic horn waveguides
05/17/2007US20070111715 Signal routing for reduced power consumption in a conferencing system
05/17/2007US20070110269 Biplane Line Array Speaker with Arcuate Tweeter Array Providing Controlled Directivity
05/17/2007US20070110268 Array speaker apparatus
05/17/2007US20070110267 Mobile speaker
05/17/2007US20070110266 Remote control single crystal speaker system
05/17/2007US20070110265 Hand-held electronic device
05/17/2007US20070110264 Door with structural components configured to radiate acoustic energy
05/17/2007US20070110258 Audio signal processing apparatus, and audio signal processing method
05/17/2007US20070110257 Microphone array with physical beamforming using omnidirectional microphones
05/17/2007US20070110256 Audio equalizer headset
05/17/2007US20070110249 Method of acoustic signal reproduction
05/16/2007EP1786235A1 Loudspeaker system
05/16/2007EP1785144A2 Combinations of bile acids sequestrant(s) and sterol absorption inhibitor(s) and treatments for vascular indications
05/16/2007CN2901760Y Automobile acoustic device
05/16/2007CN2901758Y Separable double body type combined earphone capable of automatically changing single or double sound tracks
05/16/2007CN2901757Y Nasal bone conductive communication transmission and peripheral device
05/16/2007CN2901756Y Combined earphone
05/16/2007CN2901755Y Vehicle carried hand-free earphone for FM transmission
05/16/2007CN2901754Y Desk computer audio amplifier box
05/16/2007CN2901753Y Voice box improved structure for shock-proof and noise reducing
05/16/2007CN2901752Y Voice box structure capable of carring, anti-shock and noise-reducing
05/16/2007CN2901751Y Pillow with built-in bone conduction speaker
05/16/2007CN2901709Y Voice exchanging system for operation teaching
05/16/2007CN2901634Y Microhpne connector module with receiving track
05/16/2007CN1965608A Sound device provided with a geometric and electronic radiation control
05/16/2007CN1965607A Ceramic type loudspeaker
05/16/2007CN1964577A Ear plug type headphone with ear hook
05/16/2007CN1316853C Headphone
05/15/2007US7218897 Extended microphone with positioning display
05/15/2007US7218749 Method for sound reproduction and pillar loudspeaker
05/15/2007US7218748 Tapered thickness surround for high excursion speaker driver
05/15/2007US7218747 Externally ported loudspeaker enclosure
05/15/2007US7218746 Retractable spa speaker system
05/15/2007US7218745 Headliner transducer covers
05/15/2007US7218744 Piezo-electric speaker
05/15/2007US7218743 Speaker module and apparatus using this
05/15/2007US7218742 Condenser microphone assembly
05/15/2007US7216973 Eyeglass with MP3 player
05/10/2007WO2007052835A1 Speaker, image element protective screen, case of terminal, and terminal
05/10/2007WO2007052726A1 Teleconference device
05/10/2007WO2007052645A1 Sound collecting device
05/10/2007WO2007052636A1 Audio output system control method and audio output system
05/10/2007WO2007052604A1 Sound collecting device
05/10/2007WO2007051925A1 Anti-vibration protection devices for a microphone
05/10/2007WO2007051606A1 Converter system for an active noise compensation apparatus
05/10/2007WO2006122029A3 Adjustable mounting system for speaker enclosures
05/10/2007US20070105601 Speaker unit for a communication system
05/10/2007US20070104347 Angled thermal chimney in audio speaker cabinet
05/10/2007US20070104341 Image display device and method and program
05/10/2007US20070104333 Headset with built-in power supply
05/10/2007DE10310084B4 Behandlungsvorrichtung mit spreizbarem Kopfgestell Treatment device with spreadable head frame
05/09/2007EP1535350A4 Low acceleration sensitivity mounting structures for crystal resonators
05/09/2007EP1366489A4 Floor mat with voice-responsive display
05/09/2007CN2899359Y Contactless multi-tone horn for automobile
05/09/2007CN2899357Y Ear-bag
05/09/2007CN2899356Y Bluetooth earphone with wire-controlled function
05/09/2007CN2899355Y External protecting jacket of microphone
05/09/2007CN2899354Y Hidden loundspeaker structure
05/09/2007CN2899353Y Loundspeaker-box structure
05/09/2007CN1961610A Parallelepiped type directional capacitance microphone