Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
03/2010
03/17/2010EP2163120A2 Dynamic sound transducer, and receiver
03/17/2010CN201426172Y Loudspeaker vibrational resonant disc
03/17/2010CN101674516A Thin loudspeaker without damper
03/16/2010US7678218 Adhering a sheet on one of the surfaces of the wooden sheet; immersing in a solution containing a penetrating agent as an interfacial active agent or in a solution containing a penetrating agent and a wetting agent before hot press molding into the shape of a diaphragm; smoothness; stretching
03/16/2010US7677356 Acoustic material and method for making the same
03/16/2010US7677355 Speaker diaphragms, manufacturing methods of the same, and dynamic speakers
03/11/2010WO2010026870A1 Organic piezoelectric material, ultrasonic oscillator, and ultrasonic probe
03/11/2010US20100059309 Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
03/10/2010CN201422157Y Integrated vibrating plate for micro-loudspeaker and micro-loudspeaker with same
03/10/2010CN101669373A Microphone and manufacturing method thereof
03/10/2010CN101668242A Material of vibrating body of speaker vibrating basin and preparation method thereof
03/03/2010EP2158789A1 Diaphragm arrangement for an air motion transformer (amt), and sound converter comprising such a diaphragm arrangement
02/2010
02/25/2010WO2009142413A3 Spacer-integrated diaphragm for condenser microphone
02/25/2010US20100044147 Microelectromechanical system diaphragm and fabricating method thereof
02/24/2010EP2157814A1 Speaker device
02/24/2010CN201414215Y Miniature hearing-aid compatible receiver equipped with hearing-aid voice coils under diaphragm
02/24/2010CN101656905A Piezoelectric vibrator
02/24/2010CN100592825C Loudspeaker with inverted cone
02/18/2010US20100040246 Compound membrane, method of manufacturing the same, and acoustic device
02/18/2010DE102009006657A1 Lautsprecheranordnung Speaker assembly
02/18/2010DE102008038883A1 Microphone assembly for measuring sound signals, particularly in hot temperature, has switching device that alternatively defers light of frequency to link another light of another frequency into light conductor
02/18/2010DE102007029560B4 Membrananordnung für einen Air-Motion-Transformer (AMT) und Schallwandler mit einer solchen Membrananordnung Membrane assembly for an Air Motion Transformer (AMT) and transducer with such a membrane assembly
02/17/2010CN201409218Y Drum paper for wooden loudspeaker
02/17/2010CN201409217Y Drum paper for loudspeaker
02/17/2010CN201409216Y Dangling edge of loudspeaker
02/11/2010DE112008000693T5 Mikrofon und Herstellungsverfahren dafür Microphone and production method thereof
02/10/2010CN201403201Y Silicon based capacitance microphone
02/10/2010CN201403199Y MEMS capacitance microphone
02/10/2010CN201403190Y Spacing ring integrated film used for capacitance microphone
02/10/2010CN201403189Y Composite cone of ultra-thin speaker
02/04/2010WO2010013338A1 Speaker apparatus and automobile
02/04/2010WO2010013199A1 Membrane for an acoustic transducer
02/04/2010DE102007062424B4 Magnetantriebsvorrichtung für einen Schallwandler bzw. Lautsprecher-Anordnung mit mindestens einer AMT-Lautsprecher-Einheit Magnetic drive device for a transducer or speaker structure with at least one AMT speaker unit
02/03/2010EP2149280A1 Diaphragm surround
02/03/2010EP2149279A1 Loudspeaker with a stiffening element
02/03/2010CN201398236Y Vibrating basin structure of speaker
02/02/2010US7657042 Liquid crystal display device having sound
01/2010
01/28/2010WO2010010701A1 Diaphragm for speaker, speaker, and method for producing diaphragm for speaker
01/28/2010WO2009137495A3 Electrostatic loudspeaker system
01/26/2010CA2392552C Electromechanic film and acoustic element
01/21/2010WO2010007335A1 Inertial vibration exciter
01/20/2010EP2145504A2 Active acoustic housing with multiple transducer distributed mode loudspeaker
01/20/2010CN101631266A Speaker cones material and preparation method thereof
01/20/2010CN100584108C Card sound device and electronic apparatus having same
01/20/2010CN100584107C Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
01/14/2010WO2010005038A1 Active muffler
01/14/2010WO2010004717A1 Speaker diaphragm, speaker, electronic device and mobile device using the speaker
01/13/2010EP2143299A1 Membrane or membrane arrangement for an electrodynamic sound transducer, and loudspeaker comprising such a membrane or membrane arrangement
01/13/2010CN201383871Y Double-side piezoelectric ceramic loudspeaker
01/12/2010US7644801 Membrane with a high resistance against buckling and/or crinkling
01/07/2010WO2010000411A1 Adaptive noise generating device
01/07/2010US20100002894 MEMS device and method of making the same
01/07/2010CA2729692A1 Adaptive noise generating device
01/06/2010EP2141691A1 Adaptable noise creation device
01/06/2010EP2140723A1 Flat speaker
01/06/2010EP2140722A2 Loudspeaker
01/06/2010CN201378869Y Loudspeaker cone
01/06/2010CN100579291C Diaphragm for loud speaker and loud speaker employing same
12/2009
12/31/2009US20090324000 Speaker surround structure for maximizing cone diameter
12/30/2009EP2139265A1 Motor for a tweeter
12/30/2009CN100576949C Loudspeaker diaphragm and its manufacture method
12/29/2009US7639826 Bending wave panel loudspeaker
12/23/2009WO2009153591A1 Improved acoustic device
12/22/2009US7635941 Transducer
12/22/2009CA2474493C Low profile audio speaker
12/16/2009CN201365335Y Composite material tweeter
12/16/2009CN101606396A Diaphragm of the electronic sounder and the electronic sound which has the diaphragm
12/15/2009US7634102 Speaker and device using the same
12/15/2009US7631723 Loudspeaker diaphragm and method for manufacturing the same
12/10/2009WO2009148026A1 Diaphragm, electroacoustic transducer, method for manufacturing diaphragm, and molded body
12/10/2009WO2009147700A1 Speaker
12/10/2009WO2009146494A1 Implantable microphone diaphragm stress decoupling system
12/10/2009US20090304225 Dome-shaped diaphragm and loudspeaker using the same
12/09/2009CN101601309A Multifunction oscillatory actuator
12/09/2009CN101601308A Speaker motor and speaker
12/09/2009CN101600134A Dome-shaped diaphragm and loudspeaker using the same
12/09/2009CN101600133A Speaker environmental cone material
12/03/2009WO2009144772A1 Electromagnetic convertor
12/02/2009EP2127468A1 Loudspeaker made from films
12/02/2009CN101594567A Diaphragm for condenser microphone, method for manufacturing the same, and condenser microphone
12/02/2009CN101594566A Loudspeaker vibrating body material
12/02/2009CN100566456C Speaker and method of manufacturing the same
12/01/2009US7627134 Magnet retention system in planar loudspeakers
11/2009
11/26/2009WO2009142413A2 Spacer-integrated diaphragm for condenser microphone
11/26/2009WO2009142091A1 Speaker
11/26/2009WO2009107976A3 Apparatus for controlling movement of oled and cone paper of visual speaker
11/26/2009WO2009107938A3 Magnesium diaphragm with built-in bobbin and method for same
11/26/2009DE102007020847B4 Membran-Anordnung für einen elektrodynamischen Schallwandler und Lautsprecher mit einer derartigen Membran-Anordnung Membrane assembly for an electrodynamic transducer and speaker with such a membrane configuration
11/25/2009EP2124484A1 Method of producing diaphragm and speaker and electronic device using the diaphragm
11/25/2009EP2123109A1 Flat surface loudspeaker and method for adjusting the vibrational behavior of a vibration system
11/25/2009EP1366638B1 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
11/25/2009CN201352841Y Thin type loudspeaker
11/25/2009CN100563379C Exciter for directly vibrating board
11/19/2009WO2009139045A1 Diaphragm edge material for microspeaker, microspeaker using the diaphragm edge material for microspeaker, and electronic equipment using the microspeaker
11/19/2009WO2009139044A1 Edge material for microspeaker diaphragm, microspeaker employing the edge material for microspeaker diaphragm, and electronic appliance employing the microspeaker
11/19/2009US20090285431 Diaphragm with integrated acoustical and optical properties
11/18/2009EP2119307A1 Composite suspension system for electro-acoustic transducers
11/18/2009CN101584225A Speaker, video device, and mobile information processing device
11/18/2009CN101583067A Electroacoustic transducing device
11/17/2009US7620193 Acoustic actuators
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