Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
08/2008
08/21/2008WO2008098988A1 Loudspeaker made from films
08/21/2008DE102007007957A1 Lautsprecher aufgebaut aus Folien Speakers composed of films
08/20/2008EP1797742B1 Loudspeaker with an acoustic member
08/20/2008EP1005251B1 Method of producing speaker diaphragm and speaker diaphragm formed by this method and speaker using this
08/20/2008CN101248701A Acoustic light-emitting device
08/20/2008CN101248465A Camera vision fire detector and system
08/20/2008CN100413297C Sound reproduction device and portable terminal apparatus
08/19/2008US7415125 Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement
08/14/2008US20080192953 Loudspeaker Arrangement in a Motor Vehicle
08/07/2008WO2008093728A1 Multifunction oscillatory actuator
08/07/2008WO2008093597A1 Electromagnetic actuator
08/07/2008WO2008092645A2 Dynamic sound transducer, and receiver
08/07/2008WO2008092330A1 A loudspeaker diaphragm having a flat front surface and a protruding back portion
08/07/2008DE102007005620A1 Dynamischer Schallwandler und Hörer Dynamic transducer and receiver
08/06/2008EP1952667A1 Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker
08/06/2008EP1952666A1 Acoustic diaphragm and speaker having the same
08/06/2008CN101238754A Ultrasonic transducer, ultrasonic probe and ultrasonic imaging device
08/06/2008CN100409722C Loudspeaker
07/2008
07/31/2008WO2008090077A1 Flat surface loudspeaker and method for adjusting the vibrational behavior of a vibration system
07/31/2008DE112006001293T5 Akustische Einrichtung An acoustic device
07/31/2008DE102007003433A1 Diaphragm for sound-technical playback of complete audio band in e.g. high range loudspeaker, has material with high flexibility gradually changed into low flexibility, where diaphragm fulfills requirements to playback of entire audio band
07/30/2008EP1950997A1 Ultrasonic transducer, ultrasonic probe and ultrasonic imaging device
07/30/2008EP1949753A1 Improvements to audio devices
07/30/2008EP1949752A1 Acoustic diaphragm and speakers having the same
07/30/2008CN101233785A Speaker formed with screen as a unitary block
07/30/2008CN101232746A Elastic cloth for loudspeaker flexible wave
07/30/2008CN101232745A Elastic cloth for loudspeaker locating branch slice
07/24/2008US20080172859 Method of attaching a diaphragm to a frame for a planar loudspeaker
07/24/2008DE102007003280A1 Piezoelektrisches Bauelement A piezoelectric component
07/24/2008DE102007003165A1 Flächenlautsprecher sowie Verfahren zur Einstellung des Schwingverhaltens eines Schwingsystems Panel speakers and method for adjusting the oscillation behavior of a vibrating system
07/24/2008DE102007003164A1 Akustische Wiedergabevorrichtung und Verfahren zur Wiedergabe eines akustischen Signals Acoustic reproducing apparatus and method for reproducing an acoustic signal
07/24/2008DE102007003163A1 Akustische Wiedergabevorrichtung sowie Verfahren zur Erzeugung von Schall Acoustic reproducing apparatus and method for generating sound
07/23/2008EP1947901A1 Speaker, image element protective screen, case of terminal, and terminal
07/23/2008EP1946604A1 Converter system for an active noise compensation apparatus
07/23/2008CN101227764A Apparatus, method, and computer program product providing sound-produced tactile feedback
07/22/2008US7403628 Transducer assembly and loudspeaker including rheological material
07/17/2008WO2008085177A1 Speaker motor and speaker
07/17/2008WO2008084641A1 Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
07/17/2008US20080170727 Acoustic substrate
07/16/2008CN100403852C Static microphone
07/09/2008EP1942149A1 Polyarylene sulfide film
07/09/2008EP0838125B1 Device for electroacoustic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof
07/08/2008US7397927 Loudspeaker suspension
07/03/2008US20080156576 Pulp is deposited on paper-making mold while water having pulp dispersed therein is rotated by vortex stream in paper-making bath; consequently, variation of pulp fiber orientation is suppressed, and a loudspeaker diaphragm with high reproducibility and stable quality is produced with high productivity
07/02/2008EP1940199A1 Speaker, diaphragm for speaker and suspension
07/02/2008EP1938660A1 Acoustical window assembly for vehicle
07/02/2008CN101213873A Method for manufacturing component for speaker by papermaking, copmponent for speaker by papermaking, vibrating plate for speaker, subcone for speaker, dust cap for speaker, and speaker
07/02/2008CN101213871A Diaphragm for an electroacoustic transducer, and electroacoustic transducer
07/02/2008CN101213870A Vibrating plate for speaker, dust cap for speaker, subcone for speaker, and speaker using them, and electronic equipment using the speaker
06/2008
06/26/2008US20080149417 Acoustic assembly for personal media device
06/25/2008CN201078859Y Plane entity diaphragm with front face flattening and back face projecting
06/25/2008CN100397953C Method for manufacturing diamondoid composite diaphragm of loudspeaker
06/25/2008CN100397952C Method of mode resonance frequency distribution of plate of acoustic device
06/25/2008CN100397852C Loudpeaker system, mobile terminal apparatus and electronic apparatus
06/24/2008US7391879 Loudspeaker
06/19/2008US20080146294 Speaker clearance arrangement for a communication device
06/18/2008CN101203064A Composite diaphragm and its making method
06/17/2008US7388964 Loudspeaker, and module and electronic apparatus using the loudspeaker
06/12/2008WO2008068349A1 Electro-acoustic transducer
06/12/2008DE102006058369A1 Elektroakustischer Wandler Electro-acoustic transducer
06/10/2008US7386136 Sound detecting mechanism
06/05/2008US20080130939 Method of Making a Linkage Assembly for a Transducer and the Like
06/05/2008US20080130937 Coated Speaker Dome
06/05/2008DE102006056394A1 Illuminator for use as light and sound delivery device, has active or passive light source with band of radiation, in which partial translucent component is arranged and unit is provided for exciting translucent component
06/04/2008CN101192644A Sensing vibration diaphragm containing two polarization direction piezo-electric film
06/03/2008US7382893 Loudspeaker with inverted cone
06/03/2008US7382890 Sound reproduction device and portable terminal apparatus
05/2008
05/29/2008WO2008064313A1 Surround attachment
05/29/2008WO2008062373A1 Membrane for an electroacoustic transducer and acoustic device
05/29/2008WO2008042630A3 Point excitation placement in an audio transducer
05/29/2008US20080124566 Composite Material Comprising Ultra-Hard Particles Embedded in a Metal or Metal Alloy Matrix and Diaphragm Made Thereof
05/28/2008CN201064771Y Electromagnetic shaker
05/27/2008US7377358 Frame for speaker device and speaker device
05/22/2008WO2008059597A1 Speaker
05/22/2008WO2008011435A3 High fidelity loudspeaker
05/22/2008US20080118098 Ultra low frequency transducer and loud speaker comprising same
05/22/2008US20080116764 Electroactive polymer actuated devices
05/21/2008EP1922897A2 Acoustic light-emitting device
05/21/2008CN201063851Y Girder-like diaphragm and the composed microphone chip thereof
05/21/2008CN201063849Y Novel capacitor microphone diaphragm and capacitor microphone thereof
05/21/2008CN201063845Y Substrate of loudspeaker vibrating piece
05/21/2008CN101185372A Electro-acoustic transducer
05/21/2008CN101185371A Acoustic device
05/21/2008CN101185367A Loudspeaker horn
05/20/2008US7376240 Coil for an electroacoustic transducer
05/15/2008WO2008056287A1 Compound membrane, method of manufacturing the same, and acoustic device
05/15/2008WO2008056286A1 Acoustic device and method of manufacturing the same
05/15/2008WO2008055925A1 Speaker membrane and a speaker
05/14/2008EP1921886A1 Voice output device and method, program, and room
05/14/2008CN101180915A Improved membrane for an electroacoustic transducer
05/13/2008US7372968 Loudspeaker driver
05/08/2008WO2008053551A1 Speaker
05/08/2008DE102005051591B4 Lautsprechervorrichtung Speaker device
05/07/2008EP1800514B1 Display device comprising a panel acoustic transducer, and transparent panel acoustic transducer
05/07/2008CN101175338A Vibration system of flat plate type electrodynamic loudspeaker
05/07/2008CN101172039A Stethoscope vibration diaphragm
05/02/2008WO2008049467A1 Acoustic dipole emitter of a flat design
05/01/2008US20080101620 Loudspeaker system for virtual sound synthesis
04/2008
04/30/2008DE102006049030B3 Loudspeaker system for aircraft cabin for passenger, has acoustic driver with exciter connected with surface units in laminar manner for inducing bending movement in units, so that units swing as acoustic diaphragm
04/29/2008US7366314 Speaker clearance arrangement for a communication device
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