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)
10/2010
10/27/2010CN201616903U 双音圈推挽驱动气凝胶音盆扬声器 Dual voice coil speaker cone push-pull drive airgel
10/27/2010CN201616899U 扬声器定位支片与引接线连接结构 Speaker positioning support plate and lead wire connecting structure
10/27/2010CN201616898U 微型动圈式发声器的振动膜片 Miniature diaphragm moving coil sounder
10/26/2010US7822222 Loudspeaker and method of manufacturing the same
10/21/2010WO2010119168A1 Apparatus, methods and computer programs for converting sound waves to electrical signals
10/21/2010US20100266148 Transducer with deformable corner
10/20/2010EP2242284A1 Vibration pickup microphone
10/20/2010EP2039214B1 Acoustic device and method of manufacturing thereof
10/20/2010CN201611947U 强制音效低音扬声器 Forced Sound Subwoofer
10/14/2010WO2010118313A1 Systems and methods for acousto-haptic speakers
10/14/2010DE102009055749A1 Membrane for e.g. ceiling loudspeaker, utilized in car-acoustic area, has lower area exhibiting form of cylinder and utilized as carrier for oscillator coil, where membrane is made of textile tube according to special method
10/13/2010EP2239959A1 Vibration plate, speaker, acoustic system and method of manufacturing vibration plate
10/13/2010EP2238770A1 Oscillator for a flat loudspeaker, flat loudspeaker and vehicle
10/13/2010CN201608870U 一种跑道形喇叭 One kind of racetrack-shaped horn
10/13/2010CN1925696B Diamond oscillating film
10/13/2010CN1879447B Tweeter
10/13/2010CN101860781A Acoustic-electro conversion chip of silk-ribbon microphone
10/12/2010US7813522 Loudspeaker device
10/07/2010WO2010114981A2 Receiver assemblies
10/07/2010WO2010112747A1 Acoustic panel for receiving, emitting or absorbing sounds
10/07/2010CA2757170A1 Acoustic panel for receiving, emitting or absorbing sounds
10/06/2010CN1810013B Communication terminal with integrated antenna and speaker
10/06/2010CN101855916A Diaphragm and speaker including same
09/2010
09/29/2010EP2234410A2 Planar speaker
09/29/2010EP2234409A2 Planar speaker
09/29/2010EP2234408A1 Speaker diaphragm, speaker using said diaphragm, and speaker diaphragm manufacturing method
09/29/2010CN201594908U Vibrating plate with regulating frequency response function
09/29/2010CN201594907U Loudspeaker cone and loudspeaker
09/23/2010WO2010106736A1 Piezoelectric acoustic device, electronic equipment, and method of producing piezoelectric acoustic device
09/23/2010US20100236861 Diaphragm of electro-acoustic transducer
09/22/2010CN201590890U Drum structure of loudspeaker
09/22/2010CN101841756A Diaphragm and silicon condenser microphone applying same
09/16/2010WO2010104250A1 Diaphragm for microspeaker and manufacturing method thereof
09/16/2010WO2010104112A1 Speaker unit
09/16/2010DE102009011773A1 Dynamic moving-coil loudspeaker i.e. tweeter, has central magnet region whose surface is provided with regular or irregular structure, where surface is turned towards membrane and adjacent to air space
09/15/2010CN201585119U Loudspeaker
09/15/2010CN101836464A Electromagnetic converter
09/15/2010CN101835073A Diaphragm for micro-speaker and method of manufacturing the diaphragm
09/10/2010WO2010100681A1 Electromagnetic converter
09/10/2010WO2010100680A1 Electromagnetic converter
09/09/2010US20100224437 Optically Clear Diaphragm For An Acoustic Transducer And Method For Making Same
09/08/2010EP2227036A2 Improved membrane for an electroacoustic transducer
09/08/2010CN201577194U Dome sound cone
09/08/2010CN201577193U Aluminum-magnesium sound cone
09/08/2010CN201577192U PMI composite sound basin for loudspeaker
09/08/2010CN201577191U Carbon fiber planar cone
09/08/2010CN201577190U Polyurethane flat sound cone
09/08/2010CN201577189U Polyurethane waterproof basin
09/08/2010CN201577188U Ultrathin polyurethane sound basin
09/07/2010US7789491 Inkjet head and method of manufacturing inkjet head
09/01/2010CN201571197U Thin electrodynamic loudspeaker
09/01/2010CN201571192U Array flat-panel loudspeaker
09/01/2010CN201571190U Vibrating system for mini-sized moving coil type electro-acoustic transducer
08/2010
08/26/2010WO2010095704A1 Speaker diaphragm, speaker, and speaker diaphragm manufacturing method
08/26/2010WO2010095351A1 Speaker
08/26/2010WO2010041152A3 Acoustics transmission fidelity augmentation interface for inertial type audio transducers
08/26/2010CA2655585A1 Audio speakers
08/25/2010EP1889511B1 Improved membrane for an electroacoustic transducer
08/25/2010CN201563224U Cone
08/25/2010CN101815820A Fine natural fiber and speaker diaphragm coated with fine natural fiber
08/19/2010US20100206659 Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker
08/18/2010CN201557248U Ball top vibration film
08/18/2010CN201557247U Vibration film and electroacoustic energy converter using same
08/18/2010CN1887027B Manufacture method of waterproof vibrating plate for speaker
08/18/2010CN1679373B Dynamic micro speaker with dual suspension
08/18/2010CN101808261A Sound film structure of moving-coil electroacoustic device and manufacturing method thereof
08/17/2010US7775319 Diaphragm for speaker and manufacturing method therefor
08/12/2010WO2010090201A1 Speaker unit and portable information terminal
08/12/2010DE102009008323A1 Folien und Membranen für akustische Signalwandler Films and membranes for acoustic signal transducers
08/11/2010EP1960226B1 Display device, in particular a screen
08/11/2010EP1815711B1 Composite material comprising ultra-hard particles embedded in a metal or metal alloy matrix and diaphragm made thereof
08/11/2010CN201550272U Double-drive loudspeaker
08/11/2010CN201550268U Improved loudspeaker cone
08/11/2010CN101803403A Ultra slim type acoustic transducer
08/11/2010CN101803399A loudspeaker
08/05/2010WO2010087816A1 Acoustic energy transducer
08/05/2010WO2010086992A1 Diaphragm for speaker and speaker equipped with the diaphragm
08/05/2010US20100195862 Transducer with deformable corner
08/04/2010EP2213106A1 Flat diaphragm loudspeaker
08/04/2010CN201541343U Strange sound trumpet
08/03/2010US7769190 Audio signal processing circuit and a display device incorporating the same
07/2010
07/29/2010WO2010084575A1 Speaker device and electronic device
07/28/2010CN101790890A Vibration plate and speaker
07/21/2010CN201533406U Loudspeaker
07/21/2010CN201533400U Vibration membrane and a sounder using the vibration membrane
07/21/2010CN101783992A Vibrating diaphragm of electroacoustic transducer and manufacture method thereof
07/15/2010DE102009004496A1 Hybrid sound converter for use as full range loudspeaker in e.g. aircraft field, has deformation part provided in region of oscillator coil in direction of hearer, such that deformation part present in sound propagation direction
07/14/2010CN201528420U Improved diaphragm structure of horn
07/14/2010CN101778324A Loudspeaker vibration sound film
07/13/2010US7753164 Membranes made of cast polyarylate film
07/08/2010US20100172533 Diaphragm for speaker, speaker using the diaphragm, and system using the speaker
07/07/2010EP2205004A1 Flexible luminescent electro-acoustic transducer and electronic device using the same
07/07/2010EP2204688A1 Liquid crystal display device having sound output function and the like and an electronic device using the same
07/07/2010CN101772964A Speaker
07/01/2010WO2010073839A1 Speaker unit and portable data terminal
07/01/2010WO2010072308A1 Loudspeaker unit
06/2010
06/30/2010EP2202999A1 Diaphragm and speaker including same
06/30/2010CN101765046A Nonmetallic vibration film multilayer piezoelectric speaker
06/29/2010US7743879 Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer
06/29/2010US7743878 Folded horn enclosure with unitary pathway
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 66