Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 7 - Diaphragms for electromechanical transducers; Cones
Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
10/2012
10/10/2012CN102726062A Improvements in or relating to surrounds for audio drivers
10/10/2012CN102295805B Loudspeaker diaphragm made from polypropylene blend
10/09/2012US8284964 Compound membrane, method of manufacturing the same, and acoustic device
10/04/2012WO2012135023A1 Monofilament fabric acoustic suspension elements
10/04/2012WO2012133266A1 Load-resisting structure of multifunctional vibration actuator
10/04/2012WO2012129918A1 Speaker vibration diaphragm and speaker
10/04/2012US20120250930 Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method
10/04/2012DE102011015747A1 Active acoustic element e.g. flat speaker, for use in cabin lining of e.g. aircraft, has plate-like element producing sound waves, partially made of foamed glass ceramic material and exhibiting three-dimensional surface structure
10/03/2012EP2506599A2 A diaphragm used in a loudspeaker and a loudspeaker
10/03/2012CN102714769A Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method
10/03/2012CN102711026A Piezoelectric low-energy-consumption broadband warning device for automobile
10/03/2012CN102711020A PU (Polyurethane) edge paper basin for loudspeaker and production method of PU edge paper basin
10/02/2012US8280097 Microelectromechanical system diaphragm and fabricating method thereof
09/2012
09/26/2012CN202455527U Novel irregular pin annunciator for automobile
09/26/2012CN202455526U Runway-shaped dual-chassis loudspeaker
09/26/2012CN202455525U Sounding board for loudspeaker
09/26/2012CN202455524U Vibrating diaphragm
09/26/2012CN101534464B Audio output apparatus and vibrator
09/20/2012US20120237076 Speaker diaphragm, and speaker and handheld terminal device using said speaker diaphragm
09/19/2012CN202444591U Waterproof loudspeaker
09/19/2012CN102687531A Speaker diaphragm and speaker device
09/19/2012CN102687530A Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
09/19/2012CN102685652A Dome
09/19/2012CN102685649A Novel dome
09/13/2012WO2012120806A1 Speaker and electronic apparatus using said speaker
09/13/2012DE102011005292A1 Acoustic transducer for generating and receiving sound waves, has converting device, which is arranged for converting electrical signal into movement of movable element along moving direction
09/12/2012CN202435598U Bone conduction loudspeaker and compound vibration device thereof
09/12/2012CN102668598A Actuator, piezoelectric actuator, electronic device, and method for attenuating vibration and converting vibration direction
09/12/2012CN102665162A Film stretching device and film stretching method for production of vibrating films of electret microphones
09/11/2012US8262824 Method for manufacturing electret diaphragm
09/07/2012WO2012117738A1 Electronic apparatus and manufacturing method for electronic apparatus
09/07/2012CA2766660A1 Speaker apparatus
09/05/2012CN202425022U Acoustic generator
09/05/2012CN1930910B Loudspeakers
09/05/2012CN101511048B Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system
09/05/2012CN101467468B Acoustic device and method of manufacturing same
09/05/2012CN101252793B Speaker diaphragm and speaker including the same
09/05/2012CN101180915B Improved membrane for an electroacoustic transducer
09/05/2012CN101031162B Speaker apparatus
09/04/2012US8259987 Diaphragm, diaphragm assembly and electroacoustic transducer
09/04/2012US8259152 Video call distributor
08/2012
08/30/2012WO2012114159A1 A transducer apparatus
08/29/2012EP2493213A1 Speaker diaphragm and speaker device
08/29/2012CN1930912B Loudspeaker
08/29/2012CN102651836A Audio signal driver for flat-plate electroacoustic actuator
08/28/2012US8253775 Multipoint conference system, multipoint conference method, and program
08/28/2012US8253773 Video camera utilizing subscriber-based networks
08/23/2012WO2012111588A1 Flat-type speaker unit
08/23/2012WO2012110357A1 Coated speaker dome and coated diamond products
08/22/2012EP2490461A2 Acoustic transducer device
08/22/2012CN202395978U Concave type diaphragm loudspeaker
08/22/2012CN202395975U Speaker structure for miniature horn and earphone
08/22/2012CN202395974U Loudspeaker based on injection molding technique
08/22/2012CN202395972U Electric panel speaker having sounding medium made of elastic film
08/22/2012CN101422049B Diaphragm unit and speaker using the same
08/15/2012EP2213106B1 Flat diaphragm loudspeaker
08/15/2012CN202385269U Bicrystal piezoelectric ceramic chip and bicrystal piezoelectric ceramic loudspeaker made from same
08/15/2012CN202385196U Ultrathin mega bass sound box used in LED liquid crystal television
08/15/2012CN102640520A Diaphragm for sound converter
08/15/2012CN101453680B Piston type plane loudspeaker
08/09/2012WO2012104142A1 Hearing device with a transducer module and method for manufacturing a transducer module
08/08/2012CN202374438U Electroacoustic transducer diaphragm
08/08/2012CN1984508B Acoustic diaphragm and method for manufacturing an acoustic diaphragm
08/08/2012CN1839658B Loudspeaker having a composite diaphragm structure
08/08/2012CN101151939B Acoustic assembly for a transducer
08/07/2012US8235168 Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
08/02/2012WO2012102223A1 Bass reproduction apparatus and bass reproduction method
08/02/2012US20120195457 Slimline speaker
08/02/2012DE102011009615A1 Loudspeaker has three-dimensional elastic membrane arranged between magnetic poles and fitted with neodymium magnet
08/01/2012EP2271130B1 Apparatus for controlling movement of oled and cone paper of visual speaker
08/01/2012CN202364365U 喇叭 Speaker
07/2012
07/31/2012US8230966 Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
07/26/2012US20120186903 Optically clear diaphragm for an acoustic transducer and method for making same
07/25/2012CN102611968A Conductive elastic wave for loudspeaker
07/25/2012CN102611967A Bicrystal piezoelectric ceramic wafer and bicrystal piezoelectric ceramic loudspeaker made by same
07/25/2012CN101543094B Speaker
07/19/2012WO2012096048A1 Piezoelectric vibration component
07/19/2012US20120183171 Speaker surround structure for maximizing cone diameter
07/18/2012EP2477417A1 Door panel with integrated audio system
07/18/2012CN1765152B Speaker and method for manufacturing the same
07/18/2012CN102598711A Speaker, and electronic apparatus and cellular phone using the speaker
07/18/2012CN102598710A Speaker diaphragm, and speaker and handheld terminal device using said speaker diaphragm
07/18/2012CN102598709A Acoustic transducer device
07/18/2012CN102595283A Sound production plate for loudspeaker
07/18/2012CN102582182A Miniature electroacoustic transducer
07/18/2012CN101695146B Dual-drive speaker
07/18/2012CN101494812B Horn capable of eliminating vibration wave of vibration film
07/18/2012CN101091414B Diaphragm and loudspeaker unit using the same
07/18/2012CN101061746B Speaker
07/17/2012US8224016 Electroacoustic transducer having multi-channel diaphragm and hearing aid using the same
07/12/2012WO2012093058A1 Electroacoustic transducer
07/11/2012EP2474171A1 Ring shaped membrane for an electro-acoustical loudspeaker
07/11/2012CN202334873U 一种新型喇叭 A new speaker
07/11/2012CN202334813U 户外便携式纳米移动音箱 Outdoor Portable Nano mobile speaker
07/11/2012CN102577434A Systems and methods for acousto-haptic speakers
07/11/2012CN102572660A Piezoelectric speaker
07/11/2012CN102572658A Sounder
07/11/2012CN102572652A Acoustic radiating membrane for a music box or striking watch
07/10/2012US8215445 Electroacoustic transducer
07/04/2012EP2472905A1 Electroacoustic transducer
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 66