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)
03/2013
03/28/2013DE102012216924A1 Audio headphone set for electronic device, has ribbon cables having insulating material portion whose two sides are provided with respective colors which are different from one another
03/27/2013EP2574081A2 Speaker
03/27/2013EP2574080A1 Sound reproducing device
03/27/2013EP2574079A2 Headphone and volume controller unit
03/27/2013EP2574078A2 Dynamically configurable ANR filter and signal processing topology
03/27/2013EP2572516A1 Circular loudspeaker array with controllable directivity
03/27/2013EP2572515A1 Split-membrane 3d stereomicrophone
03/27/2013EP2572514A1 Improved ear fitting
03/27/2013CN202841489U Wireless Bluetooth high-fidelity background music controller
03/27/2013CN202841482U Circuit structure of small array microphone module
03/27/2013CN202841481U Earlap cavity and corresponding earphone
03/27/2013CN202841480U 可调式音箱结构 Adjustable speaker structure
03/27/2013CN202841479U Corrugated soft inverter tube
03/27/2013CN202841478U Three-layer speaker box
03/27/2013CN202841477U Multifunctional solar MP3 sound device
03/27/2013CN202841476U Sound cavity structure
03/27/2013CN202841475U Side-sounding flat-panel loudspeaker box
03/27/2013CN202841474U Phase plug capable of preventing medium tone phase interference
03/27/2013CN202841473U Medium-pitched and high-pitched phase plugs for preventing medium-high frequency phase interferences
03/27/2013CN202841472U Coaxial line array-based loudspeaker box
03/27/2013CN202841471U Sound box module and combined phase reversal sound box thereof
03/27/2013CN202841470U Noise-canceling headphones
03/27/2013CN202841469U Headset shield
03/27/2013CN202841468U Bluetooth earphone with hearing-aid and anti-noise functions
03/27/2013CN202841467U Foldable earphones
03/27/2013CN202841466U Rotary earphone and electronic device
03/27/2013CN202841465U 耳机 Headphone
03/27/2013CN202841464U Human ear detection structure
03/27/2013CN202841463U Earphone device integrated with antenna
03/27/2013CN202841462U 便携式噪音隔离学习耳机 Portable noise isolation headphones learning
03/27/2013CN202841461U Universal multifunctional earphone
03/27/2013CN202841460U Self frequency division dual-unit coaxial earphone loudspeaker
03/27/2013CN202841459U Practical anti-winding earphone
03/27/2013CN202841458U Button microphone for college teaching
03/27/2013CN202841457U Frequency-modulated wireless microphone with single battery
03/27/2013CN202841456U Microphone
03/27/2013CN202841455U Microphone
03/27/2013CN202841454U Microphone capable of allowing user to drink water
03/27/2013CN202841453U Classroom microphone based on wireless radio frequency and frequency hopping technologies
03/27/2013CN202841452U Microphone pedestal employing general cannon plug interface
03/27/2013CN202841451U Framework for hanging sound boxes on panel television set
03/27/2013CN202841450U Novel audio structure
03/27/2013CN202841449U 扬声器模组 Speaker Module
03/27/2013CN202841448U Speaker module
03/27/2013CN202841447U Night-light type speaker box device
03/27/2013CN202841446U Sound box
03/27/2013CN202841445U 扬声器模组 Speaker Module
03/27/2013CN202841444U Hidden speaker box power amplifier
03/27/2013CN202841443U Auxiliary support device of digital products
03/27/2013CN202841442U Solar wireless broadcast loudspeaker in rural area
03/27/2013CN202841441U Sound device
03/27/2013CN202841440U Mini-type sound box with telescoping resonance cavity
03/27/2013CN202841439U Hanging movable flat-panel loudspeaker
03/27/2013CN202841438U Slide type decorative flat-panel loudspeaker box
03/27/2013CN202841437U Loudspeaker box hanger combination structure
03/27/2013CN202841436U Connecting rod for loudspeaker boxes
03/27/2013CN202841435U 杯子音箱 Speaker cup
03/27/2013CN202841434U Improved artistic multimedia sound box
03/27/2013CN202841433U Sound box capable of emitting sweet smell
03/27/2013CN202841432U Mini-type sound box with telescoping resonance cavity
03/27/2013CN202841431U 音箱 Speaker
03/27/2013CN202841430U Sound box coupling mechanism
03/27/2013CN202834596U Television foundation with sound system and television
03/27/2013CN1647582B Loudspeaker with GPS receiver
03/27/2013CN103004236A Acoustic apparatus and oscillating unit
03/27/2013CN103004232A Earphone driver and method of manufacture
03/27/2013CN103004094A Intercom headset connection and disconnection
03/27/2013CN103002688A Electronic device
03/27/2013CN103002382A Headset plug transverter
03/27/2013CN103002377A Audio apparatus
03/27/2013CN103002376A Method for orientationally transmitting voice and electronic equipment
03/27/2013CN103002375A Earphone
03/27/2013CN103002374A Wireless headset provided with storage unit
03/27/2013CN103002373A Earphone and method for detecting earphone wearing state
03/27/2013CN103002372A Cable winder for earphones
03/27/2013CN103002371A Bone conduction earphone
03/27/2013CN103002370A Headset
03/27/2013CN103002369A Headset cable clamp
03/27/2013CN103002368A Wire incoming and outgoing structure of earphone wire, take-up device of earphone wire and electronic equipment
03/27/2013CN103002367A Mobile device for multi-channel sound collection and output using common connector, and driving method thereof
03/27/2013CN103002366A Tablet electronic device support with loudspeaker boxes
03/27/2013CN103002365A Sound-reproducing apparatus, lighting apparatus, and suspended opening and closing apparatus
03/27/2013CN103002364A Speaker-connector module and handheld electronic device
03/27/2013CN103002363A Stereo conversion device using piezoelectric driving module
03/27/2013CN103002362A Speaker with USB (universal serial bus) concentrator
03/27/2013CN103002361A Multifunctional USB (universal serial bus) sound box
03/27/2013CN101873145B Method and device for interfering passive wireless headphone by audio electromagnetic field
03/27/2013CN101810008B Acoustic waveguide mode controlling
03/27/2013CN101763849B Electronic keyboard instrument
03/27/2013CN101711008B Multimedia sound system with audio digital interface
03/27/2013CN101635870B Loudspeaker module of portable electronic device
03/27/2013CN101615409B Media playing controlling method, system, media player and earphone wire device
03/27/2013CN101188873B Earphones
03/27/2013CN101026897B Microphone apparatus with increased directivity
03/26/2013US8406451 Capacitive electroacoustic transducer and microphone
03/26/2013US8406450 Thermoacoustic device with heat dissipating structure
03/26/2013US8406449 Portable audio amplifier with interchangeable housing and storage compartment
03/26/2013US8406448 Earphone with rotatable earphone cap
03/26/2013US8406446 Microphone with vibration isolation
03/26/2013US8406445 Loudspeaker system with extended constant vertical beamwidth control
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