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)
12/2012
12/19/2012CN202617326U Broadband and high-leakage receiver with inside-welding structure
12/19/2012CN202617325U Analog sound field earphone
12/19/2012CN202617324U Earphone in tension membrane structure
12/19/2012CN202617323U Earphone device
12/19/2012CN202617322U Novel earphone
12/19/2012CN202617321U Earphone
12/19/2012CN202617320U Earphone having function of preventing breakage
12/19/2012CN202617319U Bluetooth earphone
12/19/2012CN202617318U Machine body pivoted ear-hook type playback device
12/19/2012CN202617317U Microphone device
12/19/2012CN202617316U Multifunctional megaphone
12/19/2012CN202617315U Speaker housing
12/19/2012CN202617314U Loudspeaker box casing
12/19/2012CN202617313U Computer loudspeaker box with object storage cabinet and light-emitting diode (LED) lighting device
12/19/2012CN202617312U Double-radiation dual-use sound box
12/19/2012CN202617311U Loudspeaker structure
12/19/2012CN202617310U Protection film automatic holing device
12/19/2012CN202617309U Assembling structure for pluggable horn casing
12/19/2012CN202617308U Open type sound box
12/19/2012CN202617307U Novel loudspeaker box of U-disk CD player with LED colorful lamplight
12/19/2012CN202617306U Loudspeaker box
12/19/2012CN202617305U Self-locking loudspeaker single body and mounting and fixing structure thereof
12/19/2012CN202617304U Multifunctional sound box
12/19/2012CN202617303U Multimedia sound production system
12/19/2012CN102835130A Speaker apparatus and audio output method
12/19/2012CN102835129A Earphone
12/19/2012CN102835128A Portable audio output device
12/19/2012CN102833649A Earphone interface circuit and mobile communication device
12/19/2012CN102833648A Omni-directional sound transmission loudspeaker
12/19/2012CN102833647A Method, device and mobile terminal for processing audio frequency
12/19/2012CN102833646A Loudspeaker box
12/19/2012CN102833645A Bluetooth earphone capable of charging mobile phone
12/19/2012CN102833644A Bluetooth headset with acceleration transducer and control method of Bluetooth headrest
12/19/2012CN102833643A Earwax protector with sound-damping function
12/19/2012CN102044252B Device and method for eliminating noise
12/19/2012CN101588526B Directivity optimization method of loudspeaker array
12/18/2012US8335340 Loudspeaker
12/18/2012US8335339 Speaker unit and speaker apparatus
12/18/2012US8335338 Speaker and electronic apparatus and device using the same
12/18/2012US8335337 Loudspeaker with replaceable motor assembly
12/18/2012US8335333 Speaker system
12/18/2012US8335312 Donned and doffed headset state detection
12/13/2012WO2012169095A1 Audio signal processing device and audio signal processing method
12/13/2012WO2012168849A1 An audio speaker arrangement
12/13/2012WO2012168731A2 Microphone actuator
12/13/2012WO2012167668A1 Terminal equipment with built-in retractable headset
12/13/2012WO2012094176A3 Audio listening system
12/13/2012US20120314898 High efficient miniature electro-acoustic transducer with reduced dimensions
12/13/2012US20120314897 Method and apparatus for high speed digital communication using 5-pole terminals
12/13/2012US20120314896 Retractable Audio Cord Device
12/13/2012US20120314895 Sheath to mask electrical conductor
12/13/2012US20120314894 Audio towing handle
12/13/2012US20120314888 Speaker assembly
12/13/2012US20120314887 Vibration unit of speaker
12/12/2012EP2532176A1 Controller for a headphone arrangement
12/12/2012CN202602873U Water-proof microphone
12/12/2012CN202602872U Waterproof ventilation device used on horn
12/12/2012CN202602871U Waterproof external jack structure of music player or Bluetooth headset
12/12/2012CN202602870U Sound orientation device
12/12/2012CN202602869U Multifunctional active speaker
12/12/2012CN202602868U Magnetic-type speaker box device
12/12/2012CN202602867U Vibration-diaphragm type subwoofer
12/12/2012CN202602866U Power line carrier loudspeaker-box device and control system thereof
12/12/2012CN202602865U Coupling and superposing transmission line sound box
12/12/2012CN202602864U Headphone
12/12/2012CN202602863U Reversible inter-converted integrated receiving and transmitting device
12/12/2012CN202602862U Earphone
12/12/2012CN202602861U Loudspeaker
12/12/2012CN202602860U Earphone with filtering function
12/12/2012CN202602859U Twisting machine for headphone wire
12/12/2012CN202602858U Built-in earphone accessory structure
12/12/2012CN202602857U Earphone
12/12/2012CN202602856U Earphone hanger
12/12/2012CN202602855U Multifunctional earphone
12/12/2012CN202602854U Wireless microphone of video camera
12/12/2012CN202602853U Wireless microphone with recording function
12/12/2012CN202602852U Microphone and system thereof
12/12/2012CN202602851U Microphone
12/12/2012CN202602850U Microphone support device
12/12/2012CN202602849U Novel microphone
12/12/2012CN202602848U Stand microphone lifting mechanism
12/12/2012CN202602847U Self-shaped neck-hanging type microphone
12/12/2012CN202602846U Coil rack for electronic horn
12/12/2012CN202602845U Micro circuit board apparatus for minitype loudspeaker device
12/12/2012CN202602844U Loudspeaker box
12/12/2012CN202602843U Two-way loudspeaker box
12/12/2012CN202602842U Mine explosion-proof and intrinsic safety type sound box
12/12/2012CN202602746U Inverted tube structure
12/12/2012CN202598072U Hardware structure of man-machine interactive system
12/12/2012CN202588683U Headdress flower
12/12/2012CN102823272A Headphones
12/12/2012CN102823271A Headset cord holder
12/12/2012CN102821569A Terminal device with built-in retractable earphone
12/12/2012CN102821568A Terminal device with built-in retractable earphone
12/12/2012CN102821339A Signal processing device and signal processing method
12/12/2012CN102821337A Sound effect switching method and sound system
12/12/2012CN102821336A Ceiling type flat-panel sound box
12/12/2012CN102821335A Folding earphone clip
12/12/2012CN102821334A Multifunctional headset applicable to cold protection and noise reduction
12/12/2012CN102821333A Dismountable and replaceable half hidden wall type flat speaker
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