H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
11/2009
11/04/2009	CN201341222Y Microphone
11/04/2009	CN201341221Y Track regulating device at the middle of magnetic circuit for track microphone
11/04/2009	CN201341220Y Double-plug earphone
11/04/2009	CN201341219Y Multifunctional portable stereo system
11/04/2009	CN201341218Y Fixed structure capable of assembling and locating speaker rapidly
11/04/2009	CN201341217Y Omnibearing magnetic-leakage preventing ultra-thin loudspeaker
11/04/2009	CN201341216Y Flame-proof and intrinsic safe type mining sound box
11/04/2009	CN201341215Y Loudspeaker capable of controlling self heating-up
11/04/2009	CN201341214Y Sound box
11/03/2009	US7613075 Adaptive high frequency laser sonar system
11/03/2009	US7610991 Speaker and method of outputting acoustic sound
11/02/2009	CA2664886A1 Enclosure and enclosure system for a speaker of an electronic device
10/2009
10/29/2009	WO2009131520A1 A changeable front panel adapted to a flat panel tv
10/29/2009	WO2009131518A1 Ear cup
10/29/2009	WO2009130780A1 Speaker system
10/29/2009	WO2009130778A1 Speaker system
10/29/2009	WO2009130388A1 Calibrating multiple microphones
10/29/2009	WO2009129621A1 Handheld recorder incorporating true raw audio or video certification
10/29/2009	WO2009094390A3 Automatic gain control for implanted microphone
10/29/2009	WO2009013460A3 Loudspeaker
10/29/2009	US20090268934 Reflex Loudspeaker Structure
10/29/2009	US20090268929 Voice output device and method, program, and room
10/29/2009	US20090268928 Sound-Permeable Film, Electronic Component with Sound-Permeable Film, and Method of Producing Circuit Board Having Electronic Component Mounted Thereon
10/29/2009	US20090268092 Television Receiver
10/29/2009	DE202009009804U1 Headset und Hörer Headset and the handset
10/29/2009	DE112007002856T5 Platinenmontage eines Mikrophonwandlers Platinum mounting a microphone transducer
10/29/2009	DE10211943B4 Mobiltelefon mit hochqualitativer Tonwiedergabefähigkeit Mobile phone with high quality tone reproducibility
10/29/2009	DE102008020264A1 Hörer und Headset Handset and headset
10/29/2009	CA2722609A1 Handheld recorder incorporating true raw audio or video certification
10/29/2009	CA2645880A1 Wireless transmission-av system of outdoor furniture
10/28/2009	EP2112839A2 Headset having ferrite beads for improving antenna performance
10/28/2009	EP2112825A2 Television receiver
10/28/2009	EP2111199A1 System for forming a hearing protector, ear cup in such a system, and hearing protector formed by such a system
10/28/2009	CN101569210A Audio processing system
10/28/2009	CN101569209A Noise extraction device using microphone
10/28/2009	CN101568053A Voice acquisition device
10/28/2009	CN101568051A Method and device for restoring acoustical signal by using laser
10/28/2009	CN101568050A Electronic device
10/28/2009	CN101568000A 电视接收机 TV receiver
10/28/2009	CN101567233A Easily contained transmission line
10/28/2009	CN100556202C Transducer for bioacoustic signals
10/28/2009	CN100556201C Reflecting board vibration damping device and microphone system possessing the reflecting board vibration damping device
10/28/2009	CN100554896C High frequency small two-dimension coseismal column type vector hydrophone
10/27/2009	US7609843 Sound collector
10/27/2009	US7609026 Charging device and charging method
10/22/2009	WO2009127787A1 Directing sound field of actuator
10/22/2009	US20090262972 Speaker and device using this speaker
10/22/2009	US20090262968 Electrical connector and method for manufacturing the same and condenser microphone
10/22/2009	US20090262967 Wearable speaker vest/jacket
10/22/2009	US20090262961 Vibrating system of panel form electrodynamic loudspeaker
10/22/2009	US20090262960 Speaker
10/22/2009	US20090262956 Microphones with equal sensitivity
10/22/2009	US20090262952 Earphone and headset
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	DE102008009284B4 Wasserresistentes Hörgerät Water resistant hearing aid
10/21/2009	EP2111056A1 Thin acoustic component mounting structure, portable acoustic apparatus, cellular phone and thin acoustic component mounting method
10/21/2009	EP2109989A2 Microphone techniques
10/21/2009	EP1182971B1 Ultrasonic transducer with improved compressive loading
10/21/2009	EP1020096B1 Miniature full range loudspeaker
10/21/2009	CN201332494Y Hanging earphone device
10/21/2009	CN201332493Y Emergency wireless multimedia microphone
10/21/2009	CN201332492Y Horn waterproof apparatus
10/21/2009	CN201331927Y New type MP3
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	CN101562773A Process for producing electroacoustic trumpet T-iron
10/21/2009	CN101562771A Rotatable combination sound box
10/21/2009	CN101562766A Acoustic generator
10/21/2009	CN101562765A Earphone device
10/21/2009	CN101562764A Earphone device and receiving method thereof
10/21/2009	CN100553368C Electroacoustic converter and electronic device
10/21/2009	CN100553367C Mounting support device for ceiling embedded speaker system
10/21/2009	CN100553366C Full directional backload horn-type speaker
10/20/2009	US7606386 Vibration actuator
10/20/2009	US7606385 Unidirectional dynamic microphone
10/20/2009	US7606384 Spiral line array loudspeaker
10/20/2009	US7606383 Curved line array loudspeaker
10/20/2009	US7606379 Omni-directional speaker lamp
10/20/2009	US7606377 Method and system for surround sound beam-forming using vertically displaced drivers
10/20/2009	US7605862 Apparatus for a portable electronic device
10/20/2009	US7604090 Circuit-unit-combined speaker apparatus
10/20/2009	CA2314348C Industrial safety assembly including disposable ear protection and ear phone
10/15/2009	WO2009126614A1 Wireless earphone that transitions between wireless networks
10/15/2009	WO2009126409A2 Gaming headset and charging method
10/15/2009	WO2009126396A1 System and method for reduced baffle vibration
10/15/2009	WO2009126168A1 Decorative and removable earbud cover
10/15/2009	WO2009126131A1 Expandable speaker system
10/15/2009	WO2009125567A1 Sound reproducing device using insert-type earphone
10/15/2009	WO2009124462A1 A bone-conduction sensor
10/15/2009	WO2009108617A3 A floating ballast mass active stethoscope or sound pickup device
10/15/2009	WO2009076649A3 Headphone apparatus
10/15/2009	WO2009055347A3 Technology delivery, position and sound management system and method for use in the ear canal
10/15/2009	WO2008018007A3 Combination device of speaker and camera optical system
10/15/2009	US20090257617 Speaker, voice coil unit, and method of manufacturing the voice coil unit
10/15/2009	US20090257616 Speaker system
10/15/2009	US20090257612 Speaker assembly
10/15/2009	US20090257611 System and Method for Reduced Baffle Vibration
10/15/2009	US20090257606 Ultrasonic speaker and projector
10/15/2009	US20090257603 Clip-on recording device
10/15/2009	DE202009009601U1 Erweiterungsbasis Expansion base
10/15/2009	CA2720785A1 Wireless earphone that transitions between wireless networks

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