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)
04/2014
04/23/2014EP2721838A2 Miniature suspension member
04/23/2014CN203563188U Vibration plate of speaker
04/23/2014CN203563182U Bluetooth sound box
04/16/2014CN203554678U Loudspeaker cone
04/16/2014CN103733646A Piezoelectric vibration device and mobile terminal using same
04/16/2014CN103733645A Flat-type speaker having n magnets and n+1 voice coil plates
04/16/2014CN103733644A Voice coil former stiffener
04/16/2014CN102014322B High-fidelity static sound box adopting single-layer vibrating diaphragm
04/16/2014CN102006541B Transparent horn and display module integrating transparent horn
04/15/2014US8698869 Method and apparatus for controlling intra-refreshing in a video telephony communication system
04/10/2014WO2014054264A1 Sound generator, vibrating member for sound generator, and sound generation system
04/10/2014US20140098984 Loudspeaker constructed from sheets
04/09/2014CN103718567A Self-resonating sound emitting speaker and method for installing self-resonating sound emitting speaker
04/09/2014CN103716746A Sounding membrane plate manufactured by resonance damping (RAD) method and electric loudspeaker thereof
04/09/2014CN102223590B Planar loudspeaker with heat-dissipation structure and heat-dissipation method of planar loudspeaker
04/03/2014WO2014051006A1 Sound generator, sound generating apparatus, and electronic apparatus
04/03/2014WO2014050983A1 Acoustic generator, acoustic generation device, and electronic apparatus
04/03/2014WO2014050439A1 Acoustic generator, acoustic generation device, and electronic apparatus
04/03/2014WO2014050214A1 Acoustic generator, acoustic generation device and electronic device
04/03/2014WO2014016298A3 Ultrasonic sensor device comprising a reinforcement holder, arrangement, motor vehicle and corresponding method
04/03/2014WO2014016291A3 Ultrasonic sensor arrangment comprising an ultrasonic sensor in the radiator grill, motor vehicle and corresponding method
04/03/2014US20140093106 Diaphragm
04/03/2014DE102005052679B4 Folile für einen Jet-Hochtonlautsprecher nach dem Air-Motion Prinzip Foil stamping for a jet tweeter according to the Air Motion principle
04/02/2014DE202014002351U1 Flächenlautsprecher Panel loudspeaker
04/02/2014CN203523009U Mini-speaker
04/02/2014CN103703795A Piezoelectric vibration device and portable terminal using same
04/02/2014CN103702266A Composite vibrating diaphragm
04/02/2014CN103702265A Plane vibrating diaphragm and application thereof
04/02/2014CN101911726B Oscillator for a flat loudspeaker, flat loudspeaker and vehicle
03/2014
03/27/2014WO2014045719A1 Sound generator, sound-generating device, and electronic device
03/27/2014WO2014045645A1 Audio emitter, audio emission device, and electronic apparatus
03/27/2014WO2014045008A2 Diaphragms for lousdspeaker drive units or microphones
03/27/2014WO2014044251A2 Method for stiffening the membrane of an acoustic transducer
03/27/2014US20140087131 Compound membrane and acoustic device using same
03/27/2014US20140083795 Compound membrane and acoustic device using same
03/27/2014DE102012216996A1 Micro-electromechanical systems (MEMS) sound transducer of MEMS sound transducer arrangement, has diaphragm whose projection is arranged above projection of substrate, and whose recess is extended themselves into recess of substrate
03/26/2014EP2710815A1 Electrostatic transducer
03/26/2014CN203504741U Strip-type groove array vibrating diaphragm applied to sounder
03/26/2014CN103686548A Loudspeaker diaphragm and manufacturing method thereof
03/26/2014CN103686547A Loudspeaker diaphragm and manufacturing method thereof
03/20/2014WO2014042243A1 Active silencing apparatus
03/20/2014WO2014041606A1 Speaker and speaker edge
03/20/2014US20140079277 Sound Transducer Structure and Method for Manufacturing a Sound Transducer Structure
03/20/2014US20140079253 Suspension and speaker using same
03/19/2014EP2709382A2 Flat-panel speaker having a multilayer pcb pattern voice coil film
03/19/2014EP2709381A2 High output micro speaker
03/19/2014CN203492189U Loudspeaker diaphragm
03/19/2014CN103650530A Device for emitting an acoustic wave
03/19/2014CN103648071A Speaker, video device, and mobile information processing device
03/13/2014WO2014038102A1 Speaker
03/13/2014DE112008000003B4 Lautsprecher Speaker
03/13/2014DE102012215897A1 Transducer device i.e. microelectromechanical system microphone, has coil formed to induce eddy current to membrane, for determination of sound pressure represented by acoustic signal depending on eddy current and impedance of coil
03/12/2014EP2706759A1 Method for making a flat panel loudspeaker
03/12/2014CN203482358U Wearable loudspeaking structure
03/12/2014CN103636233A Piezoelectric excitor
03/12/2014CN102067627B Improved acoustic device
03/06/2014WO2014034866A1 Sound emitter, sound emission device, and electronic apparatus
03/06/2014WO2014034599A1 Stopper structure for multifunction vibration actuator
03/06/2014WO2014034250A1 Sound generator, sound generating apparatus, and electronic apparatus
03/06/2014WO2014034208A1 Sound generator, sound generating apparatus, and electronic apparatus
03/06/2014DE102012108258A1 Verfahren zur Herstellung eines Flächenlautsprechers A process for producing a flat-panel loudspeaker
02/2014
02/27/2014WO2013178535A3 Free-standing non-planar polycrystalline synthetic diamond components and method of fabrication
02/27/2014DE102012113034B3 Arrangement of sanitary tub such as steel enamel bathtub, has flap fastened to outer wall of tub casing, so as to transmit sound from impact sound transducer to tub casing
02/26/2014EP2701402A1 Suspension for high power micro speaker, and high power micro speaker having the same
02/26/2014EP2700247A1 Device for emitting an acoustic wave
02/26/2014CN203457314U Sound diaphragm
02/26/2014CN203457313U Composite sound diaphragm
02/26/2014CN103607683A Loudspeaker diaphragm and manufacturing method thereof
02/26/2014CN101395956B Sound sponge for loudspeakers
02/20/2014WO2014028602A1 Phase correcting canalphone system and method
02/20/2014WO2014027467A1 Electroacoustic transducer device
02/20/2014DE102012025313B3 Transducer for converting electrical signals into airborne sound, has frame that is formed by two frame elements, which are tightly connectable to each other, in frame plane
02/20/2014DE102012018765B3 Verfahren zur Versteifung der Membran eines Schallwandlers Process for the stiffening of the diaphragm of a sound transducer
02/19/2014CN203446015U Composite vibrating diaphragm
02/19/2014CN203446014U Drum paper structure and loudspeaker
02/13/2014WO2014025153A1 Diaphragm for speaker, method for manufacturing same, and speaker
02/13/2014WO2014025061A1 Sound generator, sound generation device, and electronic device
02/13/2014WO2014024756A1 Acoustic generator, acoustic generation device, and electronic apparatus
02/13/2014WO2014024736A1 Sound generator, sound generation device, and electronic device
02/13/2014WO2014024705A1 Acoustic generator, sound generation device, and electronic device
02/13/2014WO2014024600A1 Acoustic generator, acoustic generation device, and electronic apparatus
02/13/2014WO2014024551A1 Acoustic generator, acoustic generation device, and electronic apparatus
02/13/2014WO2014024528A1 Sound generator, sound generation device, and electronic device
02/12/2014CN203435139U Novel ultrathin vibrating diaphragm
02/12/2014CN102067629B 电磁转换器 Electromagnetic transducer
02/11/2014US8646570 Diaphragm of electric sound converter and its manufacturing method
02/06/2014WO2014020877A1 Electronic apparatus
02/06/2014WO2014019717A1 Electroacoustic driver
02/06/2014US20140037128 Device for emitting an acoustic wave
02/05/2014EP2693770A2 Suspension for a sound transducer
02/05/2014EP2692146A1 Monofilament fabric acoustic suspension elements
02/05/2014CN103563397A High output micro speaker
02/05/2014CN103561372A Sound-generating device
01/2014
01/30/2014WO2014017528A1 Thermoplastic resin foam film and method for producing same
01/30/2014WO2014017026A1 Electronic apparatus
01/30/2014WO2014016298A2 Ultrasonic sensor device comprising a reinforcement holder, arrangement, motor vehicle and corresponding method
01/30/2014WO2014016291A2 Ultrasonic sensor arrangment comprising an ultrasonic sensor in the radiator grill, motor vehicle and corresponding method
01/30/2014DE102010062887B4 Mikrofonpackage und Verfahren zu dessen Herstellung Microphone package and process for its preparation
01/29/2014CN203416410U Vibrating diaphragm and electromagnetic acoustical generator with application of same
01/29/2014CN203416402U Rubber edge and NOMEX paper honeycomb combined sound cone
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 66