Patents for H04R 1 - Details of transducers (42,173)
06/2011
06/02/2011US20110129109 Electronic device
06/02/2011US20110129101 Directional Microphone
06/02/2011US20110129099 Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis
06/02/2011US20110129097 System, Device, and Method Utilizing an Integrated Stereo Array Microphone
06/02/2011US20110128019 Method and circuitry for identifying plug type
06/01/2011EP2328358A2 Cable coiling device for an earphone cable
06/01/2011EP2328357A1 Earphone
06/01/2011EP2327232A2 Directional sound generating apparatus and directional speaker array including the same
06/01/2011EP1485968B1 Beam forming array of transducers
06/01/2011DE202011003809U1 Arraybarer Multifunktionslautsprecher Arraybarer Multifunctional Speaker
06/01/2011DE102010062149A1 MEMS-Mikrophonhäusung und MEMS-Mikrophonmodul MEMS and MEMS microphone module Mikrophonhäusung
06/01/2011CN201854413U Minitype speaker
06/01/2011CN201854403U Moving-magnetic speaker
06/01/2011CN201854402U Low-frequency passive radiator
06/01/2011CN201854401U Loudspeaker box structure with strengthened bass effect
06/01/2011CN201854400U Integrated earmuff type earphones
06/01/2011CN201854399U Converter of headset plug
06/01/2011CN201854398U Wireless earphone for foreign language listening teaching
06/01/2011CN201854397U Zipper type earphone
06/01/2011CN201854396U Head-wearing noise reduction earphone
06/01/2011CN201854395U Earphone noise-reducing sound boom device
06/01/2011CN201854394U Compass of earphone
06/01/2011CN201854393U Head-worn device of headphone
06/01/2011CN201854392U Piezoelectric ceramic speaker headphone
06/01/2011CN201854391U Wireless communication equipment with bone conduction microphone and transmitter in flexible connection
06/01/2011CN201854390U Power supply equipment, processing chip for digital microphone and digital microphone
06/01/2011CN201854389U Artistic multimedia sound box
06/01/2011CN201854388U Vehicle-mounted perfume sound box
06/01/2011CN201854387U Multifunctional combined lifting sound box
06/01/2011CN201854386U Hanging bracket
06/01/2011CN201854385U Sounder with pen container
06/01/2011CN201854384U Vehicle-mounted sound box
06/01/2011CN201854308U Communication equipment with contractible earphone mic
06/01/2011CN201852023U Multifunctional small night lamp
06/01/2011CN201849802U Cooler and warmer box with sound device
06/01/2011CN1642355B Water-drip-proof structure of camera
06/01/2011CN102082982A Underwater sound transmitter used for underwater sound transmission
06/01/2011CN102082981A Rotating mechanism of microphone arm for headphone
06/01/2011CN102082980A Shielding printed board embedded in digital microphone and manufacturing process thereof
06/01/2011CN102081925A Speech detector
06/01/2011CN101587674B Outdoor directional sound advertising device
05/2011
05/31/2011US7953243 Gasket and associated apparatus and methods
05/31/2011US7953241 Microphone assembly
05/31/2011US7953240 Loudspeaker apparatus
05/31/2011US7953231 Audio output apparatus and audio processing system
05/31/2011US7953229 Sound processor, sound reproducer, and sound processing method
05/31/2011CA2407242C Aggregate beamformer for use in a directional receiving array
05/26/2011WO2011062778A1 Electronic device and external equipment with digital noise cancellation and digital audio path
05/26/2011WO2011061929A1 Ultrasonic flowmeter
05/26/2011WO2011061284A1 Speaker unit
05/26/2011WO2011060913A1 Microphone holder
05/26/2011US20110123199 Optical ultrasonic microphone
05/26/2011US20110123060 Vibrator of an electro-acoustic transducer
05/26/2011US20110123059 Earphone device with bi-stable conchal wall stabilizer
05/26/2011US20110123057 Horn speaker with hyperbolic paraboloid lens
05/26/2011US20110123053 Acoustics transducer
05/26/2011US20110123038 Chair-attachable wireless speaker system
05/26/2011US20110123032 Single sound transmission apparatus using human body communicaton
05/26/2011DE102009054413A1 Kabelaufrollvorrichtung für zwei elektrisch miteinander verbundene Kabelenden Cable reeling device for two electrically interconnected cable ends
05/26/2011DE102009054036A1 Elastic band i.e. head band, for use with use with e.g. swimming goggles, for clasping around head of athlete, has earphone provided with cables that are arranged in housing that is introduced in recess
05/25/2011EP2326105A1 A shape-adaptable surface for an audio port
05/25/2011EP2325726A2 System with a pen for operating an electronic device and storage device and method for aligning a pen
05/25/2011EP2325124A1 Cable rolling device for two cable ends with an electric connection
05/25/2011CN201846476U Portable combined sound box
05/25/2011CN201846465U Resonance acoustics with wireless data communication
05/25/2011CN201846464U Novel directional sound box
05/25/2011CN201846463U Wire type earphone
05/25/2011CN201846462U Oscillating pressure finely-adjusted earphone
05/25/2011CN201846461U Earphone pluggable for replacement and maintenance
05/25/2011CN201846460U Headset with external sound
05/25/2011CN201846459U 无线耳机 Wireless Headset
05/25/2011CN201846458U Microphone support capable of being lifted under program control
05/25/2011CN201846457U Water floating acoustic device for playing music
05/25/2011CN201846456U Waterproof loudspeaker
05/25/2011CN201839962U Earphone collecting box
05/25/2011CN1674717B Electronic apparatus having speaker unit incorporated therein
05/25/2011CN102077607A A method of combining at least two audio signals and a microphone system comprising at least two microphones
05/25/2011CN102077606A Ear chip and insertion earphone
05/25/2011CN102075828A Underwater very low frequency (VLF) broadband sound source
05/25/2011CN102075827A Earphone with two-loudspeaker structure
05/25/2011CN102075826A Earphone with improved structure
05/25/2011CN102073577A System for displaying electrical quantity of bluetooth headset on portable electronic device and method thereof
05/25/2011CN101142845B Loudspeaker enclosure with a closed and an open position
05/25/2011CN101026896B Portable microphone isolator
05/24/2011US7949127 Headset
05/24/2011CA2838386A1 Microphone array and method of use
05/24/2011CA2734003A1 Microphone array and method of use
05/19/2011WO2011059375A1 Ear attachment
05/19/2011WO2011057346A1 Speakerphone and/or microphone arrays and methods and systems of using the same
05/19/2011US20110116676 Apparatus Pertaining to a Cover-Attachment Assembly for Use with an Audio-Annunciating Housing
05/19/2011US20110116674 Headphone
05/19/2011US20110116673 Wireless Personal Audio Equipment
05/19/2011US20110116672 Headset terminal with speech functionality
05/19/2011US20110116670 Speaker system with at least two codirectional channels
05/19/2011US20110116658 Fine natural fiber and speaker diaphragm coated with fine natural fiber
05/19/2011US20110116651 Distributed sound enhancement
05/19/2011US20110116650 Speaker device
05/19/2011US20110116649 Distributed sound enhancement
05/19/2011US20110116648 Prevention of hearing loss from audio devices
05/19/2011US20110116620 Distributed sound enhancement