| Patents for H04R 9 - Transducers of moving-coil, moving-strip, or moving-wire type (11,486) | 
|---|
| 11/15/2007 | WO2007129685A1 Speaker | 
| 11/15/2007 | WO2007129334A1 Loudspeaker with cooling system | 
| 11/15/2007 | WO2007128748A1 Dome loudspeaker | 
| 11/15/2007 | US20070263895 Microphone and Method of Manufacturing Microphone | 
| 11/15/2007 | US20070263886 Transducer | 
| 11/15/2007 | DE102006021552A1 Kalotten-Lautsprecher Dome loudspeakers | 
| 11/14/2007 | EP1854332A2 Electromagnetic lever diaphragm audio transducer | 
| 11/14/2007 | CN200976673Y Tape type high pitch loudspeaker of radial magnetic field | 
| 11/14/2007 | CN200976672Y Non-circular moving coil-type minitype phonation device | 
| 11/14/2007 | CN101072454A Miniature loudspeaker and magnetic circuit having integrated air flow passage | 
| 11/14/2007 | CN101072453A A small loudspeaker | 
| 11/14/2007 | CN101071566A Small array microphone system, noise reducing device and reducing method | 
| 11/08/2007 | WO2007019580A3 A system and method for integrating transducers into body support structures | 
| 11/08/2007 | US20070258615 Damper of rectangular-shaped slim speaker | 
| 11/07/2007 | EP1851993A1 Audio transducer component | 
| 11/07/2007 | CN200973173Y Vabration acoustical generator | 
| 11/07/2007 | CN200973172Y Variable impedance and power type loudspeaker | 
| 11/07/2007 | CN101069452A 扬声器 Speaker | 
| 11/07/2007 | CN100348074C Low cost motor structure for rare-earth-magnet loudspeakers | 
| 11/06/2007 | US7292707 Loudspeaker | 
| 11/06/2007 | US7292695 Bone conductive speaker | 
| 11/06/2007 | US7290639 Method for manufacturing speaker-use center cap | 
| 10/31/2007 | DE202007010759U1 Lautsprecher Speaker | 
| 10/31/2007 | DE102006031842B3 Tonabnehmersystem zur Abtastung von Analogschallplatten Pickup System for detection of analog records | 
| 10/31/2007 | CN200969678Y Receiver handfree compatible with loudspeaker and its power amplifying and controlling circuit | 
| 10/31/2007 | CN200969677Y Internal magnetic and internal moving-coil type receiver handfree loudspeaker and power amplifier control circuit | 
| 10/31/2007 | CN200969676Y Novel coaxial synthesized magnetic circuit loudspeaker magnetic structure | 
| 10/31/2007 | CN200969675Y Open-type sounding device | 
| 10/31/2007 | CN101063966A Personal digital assistant machine with hold-free handset function and method thereof | 
| 10/30/2007 | US7289638 Electroacoustic microphone | 
| 10/30/2007 | US7289627 Hinge, and opening/closing type portable terminal device having the same | 
| 10/25/2007 | WO2007050219A3 Audio porting assembly | 
| 10/24/2007 | CN200966152Y Double movable coil double magnetic pole type loudspeaker and power amplifier control circuit | 
| 10/24/2007 | CN200966151Y Earphone handle-free bi-directional loudspeaker for mobile telephone and its power amplifier and control circuit | 
| 10/24/2007 | CN200966150Y Hollow magnetic core step III magnetic pole type loudspeaker | 
| 10/24/2007 | CN200966144Y Super-narrow double paper taper loudspeaker | 
| 10/24/2007 | CN101061748A Vibrating element for an electroacoustic transducer | 
| 10/24/2007 | CN101061747A Loudspeaker | 
| 10/24/2007 | CN101061746A Speaker | 
| 10/24/2007 | CN101060725A Damper of rectangular-shaped slim speaker | 
| 10/23/2007 | US7286681 Loudspeaker | 
| 10/23/2007 | US7285236 Injection method of inserting spring into multifunctional actuator | 
| 10/18/2007 | WO2007117200A2 Method for the manufacturing of balanced transducers | 
| 10/18/2007 | WO2007117045A1 Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker | 
| 10/18/2007 | US20070242850 Loudspeaker with cone-coupled damper | 
| 10/18/2007 | US20070242849 Loudspeaker with high power efficiency and low resonance frequency | 
| 10/18/2007 | US20070242846 Outdoor decorative audio output system | 
| 10/18/2007 | DE202007008799U1 Dynamischer Lautsprecher Dynamic speaker | 
| 10/18/2007 | DE102006015803A1 Built-in loudspeaker has built-in ring for mounting in built-in opening and loudspeaker unit with neodymium magnet which is small but possess high-efficiency, where ring comprises cardanic system with inner and outer ring | 
| 10/17/2007 | EP1845750A1 Speaker | 
| 10/17/2007 | CN200962668Y Electrical sound, high conversion rate, high sound quality, dual-magnetic pole, and dual-dynamic loop speaker and power amplification control circuit | 
| 10/17/2007 | CN200962667Y Dual dynamic coil and dual magnetic pole speaker | 
| 10/17/2007 | CN101057524A 扬声器 Speaker | 
| 10/17/2007 | CN101056478A Run-through speaker | 
| 10/16/2007 | US7283642 Moving-coil electrodynamic motor for a loudspeaker, loudspeaker and pole piece | 
| 10/16/2007 | US7283637 Exciting device | 
| 10/11/2007 | WO2007114434A1 Damper for speaker and speaker using the damper | 
| 10/11/2007 | WO2007047701A3 Acoustically communicating data signals across an electrical isolation barrier | 
| 10/11/2007 | US20070237353 Magnetically tapered air gap for electromagnetic transducer | 
| 10/11/2007 | US20070237352 Miniature loudspeaker and magnetic circuit having integrated air flow passage | 
| 10/11/2007 | US20070237351 Self-cooling electromagnetic transducer | 
| 10/11/2007 | US20070237350 Dynamic loudspeaker | 
| 10/11/2007 | US20070237348 Shielded microphone for mobile communications device | 
| 10/11/2007 | US20070237340 Microphone for Surround-Recording | 
| 10/11/2007 | DE202007011537U1 Resonanzlautsprecher Resonance speaker | 
| 10/10/2007 | EP1843630A1 Electrodynamic electroacoustic transducer and electronic device | 
| 10/10/2007 | EP1843629A1 Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same | 
| 10/10/2007 | EP1843628A1 Miniature loudspeaker and magnetic circuit having integrated air flow passage | 
| 10/10/2007 | CN200959676Y Internal and external double-magnetic hollow magnetic-cored loundspeaker | 
| 10/10/2007 | CN200959675Y Double voice-coil loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959674Y Small thin large-power loundspeaker with high-sensitivity and voice-quality and amplifying and controlling circuit | 
| 10/10/2007 | CN200959673Y Internal and external double-magnetic loundspeaker with pickup-free headphone for cell phone and amplifying and controlling circuit | 
| 10/10/2007 | CN200959672Y Internal and external double-magnetic hollow magnetic cored loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959671Y Triple magnetic-pole and voice-coil integrated loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959670Y Triple-stage magnetic-pole loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959669Y Triple voice-coil integrated loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959668Y Two-way loundspeaker with pickup-free handphone for small telephone and amplifying and controlling circuit | 
| 10/10/2007 | CN200959667Y Loundspeaker with pickup-free handphone for mobile acoustic equipment and amplifying and controlling circuit | 
| 10/10/2007 | CN200959666Y Double magnetic-pole and voice-coil loundspeaker for cellphone and amplifying and controlling circuit | 
| 10/10/2007 | CN200959665Y Double-magnetic loundspeaker with pickup-free handphone for mobile acoustic equipment and amplifying and controlling circuit | 
| 10/10/2007 | CN200959664Y Double magnetic-pole and voice-coil loundspeaker for wireless telcommunication equipment and amplifying and controlling circuit | 
| 10/10/2007 | CN200959663Y Efficient loundspeaker with electric-energy converting into acoustic-energy for mobile telecommunication equipment and amplifying and controlling circuit | 
| 10/10/2007 | CN200959662Y Hollow magnetic-core loundspeaker of internal magnetic pole and voice coil and power-driven controlling circuit | 
| 10/10/2007 | CN200959661Y Double-winding and coiling cocurrent moving-coiling loundspeaker and amplifying and controlling circuit | 
| 10/10/2007 | CN200959660Y Laminated winding loundspeaker of voice coil internal wall fixed with baseboard and amplifying controlling circuit | 
| 10/10/2007 | CN200959659Y Impedance and power variable loundspeaker and its amplifying and controlling circuit | 
| 10/10/2007 | CN200959658Y Triple magnetic-pole and voice coil integrated loundspeaker | 
| 10/10/2007 | CN200959657Y Double-voice coil loundspeaker | 
| 10/10/2007 | CN200959656Y Internal magnetic and moving coil loundspeaker with pickup-free earphone | 
| 10/10/2007 | CN200959655Y Double-winding and coiling cocurrent moving-coiling loundspeaker | 
| 10/10/2007 | CN200959654Y Double-magnetic pole and moving coil loundspeaker of electroacoustic high-conversion rate and acoustics | 
| 10/10/2007 | CN200959653Y Triple-moving coiling hollow magnetic-core loundspeaker | 
| 10/10/2007 | CN200959652Y Thin small large-power loundspeaker with high sensitivity and acoustics | 
| 10/10/2007 | CN200959651Y Loundspeaker with pickup-free earphone | 
| 10/10/2007 | CN200959650Y Hollow magnetic-core internal magnetic-pole loundspeaker | 
| 10/10/2007 | CN101053278A Speaker and method of producing the same | 
| 10/10/2007 | CN101049594A 振动器 Vibrator | 
| 10/09/2007 | US7280933 Method and apparatus for forming a pattern, device and electronic apparatus | 
| 10/09/2007 | US7280668 Ceramic metal matrix diaphragm for loudspeakers | 
| 10/09/2007 | US7278200 Method of tensioning a diaphragm for an electro-dynamic loudspeaker |