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)
11/2008
11/27/2008US20080292128 Apparatus with a built-in loud speaker and LCD television receiver
11/27/2008US20080292127 Electroacoustic Component
11/27/2008US20080292118 Bone-Conduction Device and Method of Manufacturing the Same
11/27/2008US20080292112 Method for Recording and Reproducing a Sound Source with Time-Variable Directional Characteristics
11/27/2008US20080292111 Headset for Blocking Noise
11/27/2008US20080292106 Sound Reproducing System and Automobile Using Such Sound Reproducing System
11/27/2008US20080290949 Apparatus and method for asymmetric charge pump for an audio amplifier
11/27/2008DE202008012402U1 Flächenlautsprechervorrichtung Panel loudspeaker device
11/27/2008DE202008011169U1 Lautsprecherboxen-Rotator, min. Speakers rotator min. zwei Boxen, sich drehende Masse >50 kg, elektrisch in Geschwindigkeit regelbar per Fußpedal two boxes, rotating mass> 50 kg electrically adjustable speed foot pedal
11/27/2008DE102008022588A1 Externally polarized condenser microphone i.e. high-quality sound receiver, for use in e.g. professional studio technology, has control amplifier separated from buffer amplifier to compare capsule voltage with preset reference value
11/27/2008DE102005047383B4 Lautsprecher Speaker
11/26/2008EP1996006A2 Apparatus with a built-in loud speaker and LCD television receiver
11/26/2008EP1995988A1 Structure for installing bone conduction device on eyeglasses
11/26/2008EP1994793A2 Sound reproduction with improved low frequency characteristics
11/26/2008CN201156823Y Novel microphone
11/26/2008CN201156822Y Integrated ceiling type loudspeaker
11/26/2008CN201156821Y Bone conducting loudspeaker connecting apparatus
11/26/2008CN201156820Y Loudspeaker/telephone receiver
11/26/2008CN201156819Y Earphone
11/26/2008CN201156818Y Wire separating shelf construction for earphone
11/26/2008CN201156817Y Stereo earphone cool in summer and warm in winter
11/26/2008CN201156816Y Novel earphone
11/26/2008CN201156815Y Spindle for coiled earphone line
11/26/2008CN201156814Y Dismountable Bluetooth stereo music earphone
11/26/2008CN201156813Y Bamboo loudspeaker box
11/26/2008CN201156812Y 2.0.1 multimedia loudspeaker box
11/26/2008CN201156767Y Built-in water-proof loudspeaker box for mobile phone
11/26/2008CN201156734Y Infrared system and earphone having compressed transmission and receiving extension function
11/26/2008CN201154075Y Earphone structural of eye massager
11/26/2008CN101312601A Electret capacitor microphone
11/26/2008CN101310933A Hand tool with earphone
11/26/2008CN100438534C Folding electronic device
11/26/2008CN100437749C Sound producing apparatus such as telephone
11/25/2008US7457427 Dual microphone assembly for mask
11/25/2008US7457425 Vehicle sound system
11/25/2008CA2461437C Pressure compensated hydrophone
11/20/2008WO2008139931A1 Earphone microphone
11/20/2008WO2008139629A1 Portable component audio apparatus
11/20/2008WO2008139524A1 Speaker device
11/20/2008WO2008139269A1 Horn microphone
11/20/2008WO2008139252A1 Headset with exchangeable speaker
11/20/2008WO2008139047A2 Active acoustic housing with multiple transducer distributed mode loudspeaker
11/20/2008US20080285788 Electrodynamic Transducer Including a Dome with a Ferrofluid Suspension
11/20/2008US20080285786 Electroacoustic Device
11/20/2008US20080285779 Television Set
11/20/2008US20080285769 Audio Devices for Vehicles
11/20/2008DE102007023512A1 Elektroakustischer Schallwandler An electro-acoustic transducer
11/20/2008DE102007023474A1 Method for manufacturing formed component with integrated electrostatic surface loudspeaker, involves manufacturing auxiliary tube as carrier, made of plastic by form
11/20/2008DE102007022639A1 Material for use in devices such as breathing mask, sealing elements, support elements, comprises base material and variety of filling material embedded in base material
11/20/2008DE10030746B4 Innenverkleidungsteil für Fahrzeuge und verfahren zur Herstellung desselben The same interior trim part for vehicles and method for producing
11/19/2008EP1992290A1 Ultrasonic vibrator and body cavity ultrasonograph having the ultrasonic vibrator
11/19/2008EP1992191A1 Earplug for insertion into an auditory duct
11/19/2008EP1068771B1 Earphone without impulse noise for protection against conductive hearing loss
11/19/2008CN201153321Y Earphone
11/19/2008CN201153320Y Rotary earphone
11/19/2008CN201153319Y Novel earphone
11/19/2008CN201153318Y Microphone handle
11/19/2008CN201153317Y Vehicle mounted microphone
11/19/2008CN201153316Y Acoustic pickups
11/19/2008CN201153315Y Sound receiving equipment
11/19/2008CN201153314Y Portable combine stereo micro sound box
11/19/2008CN201153313Y Ceramic sound box of pattern stand type playing acoustics
11/19/2008CN201153312Y Microphone capable of light emitting and color changing
11/19/2008CN201153297Y Split type LCD television
11/19/2008CN201153037Y Horn construction
11/19/2008CN201153002Y Bluetooth system apparatus capable of alarming
11/19/2008CN101310558A Teleconference device and sound emission/collection device
11/19/2008CN101310557A Electro-acoustic converter and ear speaker device
11/19/2008CN101309527A Processing circuit and device for improving performance of acoustic apparatus
11/19/2008CN101309526A Loudspeaker box having function of globe
11/18/2008US7454031 Multifunction speaker
11/18/2008US7454030 Subwoofer with cascaded linear array of drivers
11/18/2008US7454029 Loudspeaker array
11/18/2008US7454025 Loudspeaker with internal negative stiffness mechanism
11/18/2008US7454023 Audio processing arrangement with multiple sources
11/13/2008WO2008137238A1 Reducing chassis induced noise with a microphone array
11/13/2008WO2008136723A1 A method and an apparatus for damping a sonic signal
11/13/2008WO2008135763A2 Headphones
11/13/2008WO2008135256A1 Microphone unit
11/13/2008WO2008115284A3 Loudspeaker line array configurations and related sound processing
11/13/2008US20080279414 Loudspeaker
11/13/2008US20080279413 Speaker support systems
11/13/2008US20080279412 Vehicle speaker mounting system
11/13/2008US20080279411 Earpiece, Electronic Device and Communication Device
11/13/2008US20080279410 Directional hearing enhancement systems
11/13/2008US20080279409 Headset with exchangeable speaker
11/13/2008US20080279407 Mems Microphone, Production Method and Method for Installing
11/13/2008US20080279406 Portable Speaker Device
11/13/2008US20080279403 Headset and a Headphone
11/13/2008US20080279391 Microphone unit and sound source direction identification system
11/13/2008US20080279390 Wireless Digital Audio Music System
11/13/2008DE102007036153B3 Ultrasonic sensor receiving and storing device for e.g. dust collecting robot system, has tubular body part and receiver body connected with each other in rotation-safe manner and narrowed into slotted opening
11/12/2008EP1991029A1 Earphone connection cable and mobile device having the earphone connection cable
11/12/2008EP1991028A1 Glasses type sound/communication device
11/12/2008EP1989915A1 A micro-transducer with improved perceived sound quality
11/12/2008EP1563709A4 Dynamic micro speaker with dual suspension
11/12/2008EP1283003B1 System consisting of a microphone and an amplifier
11/12/2008EP1173100B1 Method for tuning ultrasonic transducers
11/12/2008CN201150124Y Helical acoustic channel loudspeaker
11/12/2008CN201150123Y Minisize acoustic enclosure
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