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)
10/2012
10/03/2012EP2506251A1 Apparatus for absorbing acoustical energy and use thereof
10/03/2012EP2505000A2 Production of ambient noise-cancelling earphones
10/03/2012CN202475738U Waterproof jacket
10/03/2012CN202475737U Sound box structure with adjustable audition angle
10/03/2012CN202475736U Novel waterproof horn
10/03/2012CN202475735U All-glass speaker box
10/03/2012CN202475734U Sound box capable of automatically controlling volume
10/03/2012CN202475733U A wide audio frequency suspended loudspeaker box
10/03/2012CN202475732U Classroom sound enhancing device
10/03/2012CN202475731U Bluetooth earphone with alarm recording function
10/03/2012CN202475730U Earphone
10/03/2012CN202475729U Multiple-wire earphone
10/03/2012CN202475728U Device for regulating earphone wire
10/03/2012CN202475727U Clamping type earphones
10/03/2012CN202475726U Earphone capable of taking up lines
10/03/2012CN202475725U Multi-interface cable retractable headsets
10/03/2012CN202475724U Earphone
10/03/2012CN202475723U Earphone with replaceable earphone heads
10/03/2012CN202475722U Intelligent earphone for automatically perceiving car horns
10/03/2012CN202475721U Headset protection device
10/03/2012CN202475720U Headphone for English teaching
10/03/2012CN202475719U Radiation-resistant headsets
10/03/2012CN202475718U Radiation-proof earphone with cellphone clip
10/03/2012CN202475717U Portable military individual wireless headset
10/03/2012CN202475716U Infrared headsets
10/03/2012CN202475715U Headset
10/03/2012CN202475714U Wireless headsets
10/03/2012CN202475713U Integrated microphone based on pure voice operation
10/03/2012CN202475712U Remote control electric microphone support
10/03/2012CN202475711U Microphone having electronic watch
10/03/2012CN202475710U Wireless emitter of which audio transmission structure is improved
10/03/2012CN202475709U Soundbox base structure
10/03/2012CN202475708U Active loudspeaker adopting non-conductor contact electricity transmission technology
10/03/2012CN202475707U Linear-array suspending loudspeaker boxes
10/03/2012CN202475706U Mesh cover with different pore sizes
10/03/2012CN202475705U Suspension type spherical sound device capable of freely swinging in air
10/03/2012CN202475704U Wall insertion type Bluetooth horn
10/03/2012CN202475703U Sound box volume adjusting knob with indicator lamp
10/03/2012CN202475702U Volume adjusting knob
10/03/2012CN202475554U Mesh enclosure for loudspeaker of mobile phone
10/03/2012CN202475401U Wireless microphone receiver
10/03/2012CN202474438U Multimedia power supply converter
10/03/2012CN202472905U Coding pair system of wireless microphone and host machine
10/03/2012CN202472484U Notebook computer with draw-out earphone
10/03/2012CN202458901U Musical ear cap
10/03/2012CN202456541U Gloves with headset
10/03/2012CN102714768A Flat loudspeaker
10/03/2012CN102712285A Blind spot warning device and blind spot warning system
10/03/2012CN102711031A Method for manufacturing headset
10/03/2012CN102711015A Method and device for controlling loudspeaker array sound field based on quadratic residue sequence combination
10/03/2012CN102711014A Sound orientation device
10/03/2012CN102711013A Remote control elevator with directional sound box
10/03/2012CN102711012A Horizontal 360-degree omnidirectional radiation loudspeaker
10/03/2012CN102711011A Two-circuit electroacoustic conversion device
10/03/2012CN102711010A Method and device for controlling broadband sound field of loudspeaker array by utilizing secondary residual sequence
10/03/2012CN102711009A Plug-in earphone
10/03/2012CN102711008A Earphone, portable electronic device and component of portable electronic device
10/03/2012CN102711007A Handheld microphone with talkback function
10/03/2012CN102711006A Sound acquisition system
10/03/2012CN102711005A Computer sound box with storage cabin and LED (Light Emitting Diode) lighting device
10/03/2012CN102711004A Electronic device with loudspeakers
10/03/2012CN102711003A Loudspeaker, loudspeaker casing and manufacturing method of loudspeaker casing
10/03/2012CN102711002A Integrated television mount and audio system
10/03/2012CN102711001A Sound box base device for display
10/03/2012CN102705747A Audio lamp
10/03/2012CN101640517B Switching audio amplifier, digital speaking device and audio amplification method
10/03/2012CN101500184B Acoustic transducer device
10/02/2012US8280462 Distributed sound enhancement
10/02/2012US8280095 Mobile apparatus including speaker in sealed sound space, and method of assembling the mobile apparatus
10/02/2012US8280093 Deformable ear tip for earphone and method therefor
10/02/2012US8280091 Dual compression drivers and phasing plugs for compression drivers
10/02/2012US8280082 Electret assembly for a microphone having a backplate with improved charge stability
10/02/2012US8280080 Microcap acoustic transducer device
10/02/2012US8279357 System and methods for television with integrated sound projection system
10/02/2012US8276706 Method and apparatus for a loudspeaker assembly
10/02/2012CA2771648A1 Dual cell mems assembly
09/2012
09/30/2012CA2770693A1 Audio processing apparatus and method of outputting status information
09/27/2012WO2012129193A1 A communications apparatus
09/27/2012WO2012127812A1 Loudspeaker, electronic apparatus using same, and mobile apparatus
09/27/2012WO2012127197A2 Improvements in headphones
09/27/2012WO2012126983A1 Optoacoustic transducer and hydrophonic arrangement comprising such transducer(s)
09/27/2012US20120243726 Earphone
09/27/2012US20120243725 Earphone
09/27/2012US20120243724 Ear pad and earphone having the same
09/27/2012US20120243723 Earphone with a support element
09/27/2012US20120243722 Speaker
09/27/2012US20120243720 Auto-Play Audible Publication
09/27/2012US20120243719 Display-Based Speaker Structures for Electronic Devices
09/27/2012US20120243718 Speaker base device for display
09/27/2012US20120243704 Headset With Turnable Ear Hook With Two Off Positions
09/27/2012US20120243703 Headphone structure
09/27/2012US20120243699 Ear canal transducer mounting system
09/27/2012DE112010002772T5 Vorrichtung und verfahren zum verbessern des tieftonfrequenzgangs in einem lautsprecher To improve device and method of tieftonfrequenzgangs in speakers
09/27/2012DE102011014714A1 Microphone assembly for use as hands-free kit of motor vehicle, has microphones which are arranged in or at safety belt of motor vehicle, so that microphones are arranged in safety belt close to head or mouth of motor vehicle occupant
09/27/2012DE102011014663A1 Optoakustischer Wandler sowie Hydrophonanordnung mit derartigem oder derartigen Wandlern Opto-acoustic transducer and hydrophone with such or such converters
09/27/2012DE102009011051B4 Lautsprechersystem sowie akustische Laufzeitleitung für ein Lautsprechersystem Speaker system and acoustic delay line for a speaker system
09/26/2012EP2503790A2 Earphone system for mobile devices
09/26/2012EP2503304A1 Ultrasonic flowmeter
09/26/2012EP2502426A1 Electronic device and external equipment with digital noise cancellation and digital audio path
09/26/2012EP2502425A1 Microphone holder
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