| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 12/30/2009 | CN201374803Y Foldable headphone jacket |
| 12/30/2009 | CN201374802Y Ceramic earphone |
| 12/30/2009 | CN201374801Y Earphone with correct pickup |
| 12/30/2009 | CN201374800Y Earphones with adjustable tone |
| 12/30/2009 | CN201374799Y Earphone with loudspeaker box and radio functions |
| 12/30/2009 | CN201374798Y Deploying and retracting device for mobile audio-visual equipment headset |
| 12/30/2009 | CN201374797Y Radio frequency interference-free conference microphone |
| 12/30/2009 | CN201374796Y Loudspeaker bracket and loudspeaker |
| 12/30/2009 | CN201374795Y Horn combination |
| 12/30/2009 | CN201374794Y Portable inter-connectable sound box and sound box combination |
| 12/30/2009 | CN201374793Y Combined mechanism |
| 12/30/2009 | CN201374792Y Sound box with decorative surfaces |
| 12/30/2009 | CN201374791Y Vibration-proof structure for sound box in portable multimedia digital playing platform |
| 12/30/2009 | CN101616350A Bluetooth headset and portable electronic device with same |
| 12/30/2009 | CN101616349A Bluetooth headset and portable electronic device with same |
| 12/30/2009 | CN101616348A Bluetooth headset and portable electronic device with same |
| 12/30/2009 | CN101616347A Method and device for loudspeaker assembly |
| 12/30/2009 | CN101616346A Horn mesh enclosure |
| 12/30/2009 | CN100576950C Electret capacitor microphone |
| 12/30/2009 | CN100576948C Reflex speaker |
| 12/30/2009 | CN100576947C Headphone |
| 12/30/2009 | CN100576895C Method and apparatus for a light weight enclosure for projection televisions |
| 12/29/2009 | US7639827 Hearing system which is responsive to acoustical feedback |
| 12/29/2009 | US7639825 Bone-conduction handset |
| 12/29/2009 | US7639824 Noise damping headset with a throat microphone |
| 12/27/2009 | CA2670182A1 System and method for associating an electronic device with a remote device having a voice interface |
| 12/24/2009 | US20090318202 Hearing device |
| 12/24/2009 | US20090318198 Mobile personal audio device |
| 12/24/2009 | US20090316948 Speaker device |
| 12/24/2009 | US20090316947 Speaker |
| 12/24/2009 | US20090316944 In-the-ear porting structures for earbug |
| 12/24/2009 | US20090316942 Headset and Method for Collecting same |
| 12/24/2009 | US20090316937 Monolithic micro magnetic device |
| 12/24/2009 | US20090316935 Digital microphone |
| 12/24/2009 | US20090316933 Miniature Speaker Device and Television Set |
| 12/24/2009 | US20090316927 Sound reinforcement method and apparatus for musical instruments |
| 12/24/2009 | US20090316920 Speaker device |
| 12/24/2009 | DE202009013365U1 Mikrofonablage Microphone tray |
| 12/24/2009 | DE202009011520U1 Anschlusskabel für Kopfhörer mit spezifischem Wellenwiderstand Connection cable for headphones with a specific characteristic impedance |
| 12/24/2009 | DE202009011485U1 Schallwandler-Magnetsystem Transducer magnet system |
| 12/24/2009 | DE102008029269A1 Hydrophon für eine Unterwasserantenne Hydrophone for an underwater antenna |
| 12/24/2009 | DE102008028268A1 Method for calibrating integrated electroacoustic receiving transducer and its assigned preamplifier, involves feeding electrical test signal of test voltage to receiving transducer, and receiving signal voltage at preamplifier |
| 12/24/2009 | DE102006051613B4 Lautsprechergehäuse Speaker cabinet |
| 12/23/2009 | WO2009154981A2 Mems microphone array on a chip |
| 12/23/2009 | WO2009154268A1 Acoustic part and method of manufacturing same |
| 12/23/2009 | WO2009154170A1 Ultrasonic sensor |
| 12/23/2009 | WO2009153904A1 Sensory actuator driving apparatus |
| 12/23/2009 | WO2009153358A2 Integral connector for programming a hearing device |
| 12/23/2009 | WO2009152549A1 Headset |
| 12/23/2009 | EP2136572A1 Speaker |
| 12/23/2009 | EP2135481A1 Hearing device with detachable microphone |
| 12/23/2009 | EP2135479A1 Portable recording device and method |
| 12/23/2009 | EP1711030B1 Speaker apparatus |
| 12/23/2009 | EP1141818B1 Device with speech signal input means and control signal input means |
| 12/23/2009 | CN201369823Y Double sides welding silicon microphone |
| 12/23/2009 | CN201369812Y Sound extension tube for regulating sound effect and sound box thereof |
| 12/23/2009 | CN201369811Y Sound cavity |
| 12/23/2009 | CN201369810Y Tone-adjustable earphone |
| 12/23/2009 | CN201369809Y Radiation-proof earphone |
| 12/23/2009 | CN201369808Y Improved track microphone |
| 12/23/2009 | CN201369807Y Sound box bracket |
| 12/23/2009 | CN201369806Y Spherical microphone array |
| 12/23/2009 | CN201369805Y Novel bugle shell |
| 12/23/2009 | CN201369804Y Loudspeaker integrating system |
| 12/23/2009 | CN201369803Y Multifunctional sound box |
| 12/23/2009 | CN201369802Y Novel sound box |
| 12/23/2009 | CN201369456Y Biphase plug-and-socket element used for weak current conducting wire and product made of same |
| 12/23/2009 | CN201365920Y Brain electrode type headset |
| 12/23/2009 | CN101611635A Earphone |
| 12/23/2009 | CN101611634A MEMS microphone device |
| 12/23/2009 | CN101610445A Sounding device |
| 12/23/2009 | CN101610444A Sounding device |
| 12/23/2009 | CN101610443A Audible device |
| 12/23/2009 | CN101610442A Audible device |
| 12/23/2009 | CN101610441A Speaker |
| 12/23/2009 | CN101610438A Portable audio playback device |
| 12/23/2009 | CN101610344A Remote-control wireless television earphone |
| 12/23/2009 | CN100574513C Electroacoustic transducer |
| 12/23/2009 | CN100573664C Head mounted multi-sensory audio input system |
| 12/23/2009 | CA2728274A1 Acoustic part and method for manufacturing the same |
| 12/22/2009 | US7636447 Acoustic bracket system |
| 12/22/2009 | US7636235 Compact portable media reproduction system |
| 12/22/2009 | CA2474493C Low profile audio speaker |
| 12/17/2009 | WO2009151892A1 Diaphragm with integrated acoustical and optical properties |
| 12/17/2009 | US20090310813 Interchangeable magnet loudspeaker |
| 12/17/2009 | US20090310812 Door Speaker Enclosure with Integral Water Barrier and Hardware Attachment |
| 12/17/2009 | US20090310809 Phasing plug |
| 12/17/2009 | US20090310808 Waveguide |
| 12/17/2009 | US20090308245 Method and device for reducing formation of particulate matter in gas streams |
| 12/17/2009 | DE19643180B4 Verstärkte piezoaktive Betätigungseinrichtung mit hoher Steifigkeit Enhanced piezoelectric active actuator with high rigidity |
| 12/16/2009 | EP2132954A1 Peripheral with a display |
| 12/16/2009 | CN201365332Y Structure for improving bass radiation efficiency of phase-reversing sound box |
| 12/16/2009 | CN201365331Y Built-in speaker bass sound box |
| 12/16/2009 | CN201365330Y Earphone |
| 12/16/2009 | CN201365329Y Connector designed for convenient use |
| 12/16/2009 | CN201365328Y Connector designed for convenient use |
| 12/16/2009 | CN201365327Y Connector designed for convenient use |
| 12/16/2009 | CN201365326Y Novel microphone |
| 12/16/2009 | CN201365325Y Solar energy microphone |
| 12/16/2009 | CN201365324Y Loudspeaker fixing structure |