Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
08/2011
08/24/2011CN102164330A Speaker unit including diaphragm having a voice coil attached thereto
08/24/2011CN101310559B Speaker
08/23/2011US8002079 Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker
08/18/2011WO2011098822A1 Open-baffle loudspeaker
08/17/2011CN1961608B Loudspeaker
08/17/2011CN102158170A Drive mechanism
08/17/2011CN101120614B Method for producing diaphragm for speaker
08/16/2011US7997381 Speaker assembly
08/10/2011CN1849013B Acoustic vibratory plate
08/04/2011WO2011093008A1 Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method
08/04/2011US20110188699 Woven or knitted fabric, diaphragm for speaker, and speaker
08/03/2011EP2350775A1 Portable communication device having an electroluminescent driven haptic keypad
08/03/2011CN1930911B Diaphragm and loudspeaker using same
08/03/2011CN102144407A Apparatus for controlling movement of OLED and cone paper of visual speaker
08/03/2011CN101326854B Speaker
08/03/2011CN101310560B Speaker
07/2011
07/28/2011WO2011089345A1 Electrodynamic speaker structure having mems technology
07/28/2011DE10085229B4 Zentrierungsfeder mit versetztem Scheitel Centering spring with offset vertices
07/27/2011EP2348754A1 Speaker and electronic device including speaker
07/27/2011CN1756442B Monomer sound film for producing diapason and tone quality variation using every part material change
07/26/2011US7986805 Acoustic diaphragm
07/21/2011WO2011086302A1 Electrodynamic transducer having a dome and a buoyant hanging part
07/21/2011WO2011086301A1 Electrodynamic transducer having a dome and an inner hanging part
07/21/2011CA2787165A1 Electrodynamic transducer having a dome and a buoyant hanging part
07/21/2011CA2787162A1 Electrodynamic transducer having a dome and an inner hanging part
07/20/2011CN201904910U Thin loudspeaker vibration plate
07/20/2011CN201904909U Cone paper with invisible edge
07/20/2011CN101002502B Diaphragm for a loudspeaker with a moving coil
07/19/2011US7983436 Baffle vibration reducing
07/19/2011US7983432 Point excitation placement in an audio transducer
07/19/2011US7980355 Acoustic diaphragm, and method of fabricating acoustic diaphragm
07/14/2011DE102010004312A1 Lautsprecher und System zur aktiven Geräuschunterdrückung Speaker and system for active noise cancellation
07/13/2011CN201898604U Metal elastic wave structure of loudspeaker
07/13/2011CN201898603U Sound cone of dual-corrugated-rim flat-panel loudspeaker
07/12/2011DE202011000717U1 Flächenlautsprecher Panel loudspeaker
07/07/2011WO2011080898A1 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
07/07/2011WO2011080877A1 Speaker diaphragm, and speaker and handheld terminal device using said speaker diaphragm
07/07/2011US20110164764 Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device
07/06/2011EP1797741B1 Loudspeaker with an acoustic membrane
07/06/2011CN201893923U Car loudspeaker and paper cone thereof
07/06/2011CN1547416B Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
07/06/2011CN102119536A Inertial vibration exciter
07/06/2011CN102118671A Sound film
07/06/2011CN101213871B Diaphragm for an electroacoustic transducer, and electroacoustic transducer
07/06/2011CN101061750B Loudspeaker plastic cone body and loudspeaker manufacturing method
06/2011
06/30/2011WO2011077770A1 Composite speaker
06/30/2011US20110155502 Ring shaped membrane for an electro-acoustical loudspeaker
06/30/2011US20110155501 Diaphragm for electroacoustic transducer
06/30/2011DE202011002840U1 Piezoelektrischer Flächenlautsprecher Piezoelectric panel loudspeaker
06/30/2011DE202011000985U1 Gargerät mit Körperschallanregung Cooking device with structure-borne noise
06/29/2011CN102111700A Sounding module and sounding device using sounding module
06/29/2011CN101175338B Vibration system of flat plate type electrodynamic loudspeaker
06/23/2011WO2011074579A1 Actuator, piezoelectric actuator, electronic device, and method for attenuating vibration and converting vibration direction
06/22/2011DE102006031433B4 Exciter für Flächenmembranlautsprecher Exciter for surface membrane speaker
06/22/2011CN102106159A Membrane for an acoustic transducer
06/22/2011CN102104817A Acoustic sensor
06/15/2011EP1755358B1 Multi-function type oscillation actuator and mobile terminal device
06/15/2011CN201869353U Miniature moving-coil sounder diaphragm
06/15/2011CN201869352U Paper drum for full-frequency speaker
06/15/2011CN201869351U Vibrating membrane for electronic horn
06/15/2011CN201869350U Ultrathin speaker cone
06/15/2011CN201869349U Loudspeaker
06/09/2011WO2011067595A1 Audio device
06/09/2011WO2011025193A3 Slimline speaker
06/08/2011CN201860448U Condenser microphone chip
06/08/2011CN201860441U Vibration diaphragm
06/08/2011CN101119597B Panel type loudspeaker structure
06/03/2011WO2011065795A2 Diaphragm for sound converter
06/02/2011US20110129113 Speaker diaphragm and speaker
06/01/2011CN201854408U Sound film of trumpet
06/01/2011CN201854407U Energy converter diaphragm
06/01/2011CN201854402U Low-frequency passive radiator
06/01/2011CN1910954B Bending wave panel loudspeaker
06/01/2011CN1496663B Device and method for manufacturing speaker diaphragem, diaphragm made from said method, and speaker
05/2011
05/25/2011CN102075834A Diaphragm and silicon condenser microphone using same
05/19/2011WO2011059141A1 Suspension for a multifunctional micro-speaker, and a multifunctional micro-speaker employing the same
05/19/2011US20110116677 Diaphragm and loudspeaker using the same
05/19/2011US20110116658 Fine natural fiber and speaker diaphragm coated with fine natural fiber
05/18/2011EP1480491B1 Thin speaker and method of manufacturing the speaker
05/18/2011CN1969591B Piezoelectric inertial transducer
05/18/2011CN1913722B Loudspeaker diaphragm
05/18/2011CN102067630A Electromagnetic converter
05/18/2011CN102067629A 电磁转换器 Electromagnetic transducer
05/18/2011CN102067628A Electromagnetic converter
05/18/2011CN102067627A Improved acoustic device
05/18/2011CN102065355A Vibrating membrane and miniature acoustic generator comprising same
05/18/2011CN102065354A Diaphragm and silicon capacitor microphone comprising same
05/18/2011CN102065353A Vibrating membrane and speaker using same
05/17/2011US7945069 Loudspeaker plastic cone body
05/11/2011CN1714597B Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves
05/11/2011CN1596032B 动态转换器 Dynamic Converter
05/11/2011CN102057689A Diaphragm, electroacoustic transducer, method for manufacturing diaphragm, and molded body
05/10/2011US7940948 Methods and apparatus for mounting a loudspeaker
05/05/2011WO2011052194A1 Speaker, and electronic apparatus and cellular phone using the speaker
05/05/2011DE202010013175U1 Lautsprechermembran Speaker diaphragm
05/05/2011DE102007005620B4 Dynamischer Schallwandler, Hörer und Hör-Sprech-Garnitur Dynamic transducer, receiver and headsets set
05/04/2011EP2317775A1 Speaker surround structure for maximizing cone diameter
05/04/2011CN1839659B Transducer
05/04/2011CN102047690A Speaker
05/04/2011CN102045623A Vibration diaphragm, preparation method thereof and speaker with same
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 66