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
10/31/2012CN102761805A Microphone with strong directivity
10/31/2012CN102761802A Three-frequency divider
10/31/2012CN102761801A Module type sound box component
10/31/2012CN102761800A Folding type earphone structure
10/31/2012CN102761799A Earphone
10/31/2012CN102761798A Teaching Bluetooth microphone
10/31/2012CN102761797A Inverted sound box structure
10/31/2012CN102761796A Fastener structure
10/31/2012CN102761679A Fax and sound box integrated machine
10/31/2012CN101674508B Spherical microphone array fixed on intersection of three warps and design method thereof
10/31/2012CN101401453B Speaker and electronic equipment utilizing the same
10/30/2012US8301188 Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones
10/30/2012US8300876 Micro-speaker and method for manufacturing same
10/30/2012US8300875 Speaker diaphragm and speaker including the same
10/30/2012US8300872 Method and device for detecting a displacement and movement of a sound producing unit of a woofer
10/30/2012US8300870 Variable directional microphone assembly and method of making the microphone assembly
10/30/2012US8300869 Lighting and audio communication system
10/30/2012US8300868 Fabric bag including control device
10/30/2012US8300867 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor
10/30/2012US8300866 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor
10/30/2012US8300859 Speaker devices and methods of making the same
10/30/2012US8300858 Electrostatic speaker
10/30/2012US8300846 Appratus and method for preventing noise
10/30/2012US8300845 Electronic apparatus having microphones with controllable front-side gain and rear-side gain
10/26/2012WO2012144706A1 Ear microphone
10/26/2012WO2012144270A1 Mounting structure for sonar sensor
10/26/2012WO2012144040A1 Earphones
10/26/2012WO2012143657A1 Device for emitting an acoustic wave
10/26/2012WO2012095440A3 Microphone system with a hand-held microphone
10/26/2012WO2011117339A3 In-ear monitor system and method for controlling an in-ear monitor system
10/25/2012US20120269379 Diaphragm used in a loudspeaker and a loudspeaker
10/25/2012US20120269378 Loudspeaker magnet assembly
10/25/2012US20120269377 Micro-speaker
10/25/2012US20120269376 Earphone device
10/25/2012US20120269375 Earphone
10/25/2012US20120269374 Automatically adjusting headphones
10/25/2012US20120269373 Apparatus
10/25/2012US20120269372 Micromachined horn
10/25/2012US20120269371 Synchronization system and method for transmission and reception in audible frequency range-based sound communication, and apparatus applied thereto
10/25/2012US20120269368 Loudspeaker array system
10/25/2012US20120269356 Self calibrating multi-element dipole microphone
10/25/2012DE102010015445B4 Koaxiallautsprecher Coaxial Speakers
10/24/2012EP2514220A2 Inflatable ear device
10/24/2012EP2514218A1 Toroid microphone apparatus
10/24/2012EP2514217A1 Drive unit mounting arrangement and loudspeaker
10/24/2012CN202503653U Reversible sound box
10/24/2012CN202503652U Bluetooth sound box
10/24/2012CN202503651U Sound box
10/24/2012CN202503650U Expandable horn sound box
10/24/2012CN202503649U Low frequency speaker
10/24/2012CN202503648U Suspension type portable sound box
10/24/2012CN202503647U Earplug storage box
10/24/2012CN202503646U Earphone winder
10/24/2012CN202503645U Earphone with a breather hole
10/24/2012CN202503644U Earphone with horn ring
10/24/2012CN202503643U Combined headset
10/24/2012CN202503642U Multifunctional earphone
10/24/2012CN202503641U Earphone
10/24/2012CN202503640U Microphone spray-preventing device
10/24/2012CN202503639U Loudspeaker with inner-bracket-style vibration system
10/24/2012CN202503638U Portable sound box
10/24/2012CN202503637U Portable solar energy sound box
10/24/2012CN202503636U Sound box easy to carry
10/24/2012CN202503635U Weather forecast sound box
10/24/2012CN202503634U Adjustable vibration-proof sound shackle
10/24/2012CN202503633U Liquid crystal television and loudspeaker box thereof
10/24/2012CN202503632U Sound box and sound system
10/24/2012CN202503631U Miniature stereo shell structure
10/24/2012CN202503630U USB speaker playing device
10/24/2012CN102754148A Method, system and item
10/24/2012CN102752688A Portable audio equipment sound source and audio equipment
10/24/2012CN102752687A Sound effect adjusting method for terminal device and terminal device
10/24/2012CN102752686A Wireless sound box
10/24/2012CN102752685A Small-size earphone cable extending and retreating controller
10/24/2012CN102752684A Earphone
10/24/2012CN102752683A Special earphone for wired mobile phone
10/24/2012CN102752682A Bluetooth earphone with multiplexing of USB (Universal Serial Bus) interface
10/24/2012CN102752681A NFC (near field communication)-based Bluetooth headset and NFC-based Bluetooth communication method
10/24/2012CN102752680A Detachable wireless listening device
10/24/2012CN102752679A Automatically adjusting headphones
10/24/2012CN102752678A Sound box
10/24/2012CN102752677A Multifunctional audio-video integrated active playing system
10/24/2012CN102750976A Induction type player
10/24/2012CN101416528B Speaker system
10/24/2012CN101395958B Device and method of detecting and deterring microphone sabotage
10/24/2012CN101223815B Speaker device, installation body for speaker device, and mobile body having speaker device mounted thereon
10/24/2012CN101115321B Mobile apparatus of speaker included in sealed sound location and assembly method thereof
10/24/2012CN101043761B In the ear audio device and method for fastening an electronic module in a cavity in a custom made shell part for an in the ear audio device
10/23/2012US8295538 Loudspeaker spider
10/23/2012US8295537 Loudspeaker moment and torque balancing
10/23/2012US8295536 Moving magnet levered loudspeaker
10/23/2012US8295534 Flat panel display device
10/23/2012US8295533 Bluetooth headset lanyard system
10/23/2012US8295526 Low frequency enclosure for video display devices
10/23/2012US8295524 Speaker unit to be used for projector
10/23/2012US8295516 System, apparatus, method and program for controlling output
10/23/2012US8295512 Microphone with voltage pump
10/23/2012US8295508 Processing an audio signal
10/23/2012US8295506 Systems and methods for intra-oral based communications
10/23/2012US8295505 Earphone with controllable leakage of surrounding sound and device therefor
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