| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 02/17/2005 | US20050036646 Magnet retention system in planar loudspeakers |
| 02/17/2005 | US20050036645 High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
| 02/17/2005 | US20050036644 Adapter for connecting a mobile phone stereoearphone-microphone set to a stereo system |
| 02/17/2005 | US20050036643 Ear warmer with a speaker system |
| 02/17/2005 | US20050036642 Waveguide electroacoustical transducing |
| 02/17/2005 | US20050036641 Megaphone sign apparatus and method |
| 02/17/2005 | US20050036640 Small-size accessory with audio recording and playback device and transparent wall for holding and viewing an article |
| 02/17/2005 | US20050036636 Vibration source driving device |
| 02/17/2005 | US20050035689 Segmented uniform energy megasonic transducer |
| 02/17/2005 | US20050035247 Reducible support structures having off-axis engagement |
| 02/17/2005 | US20050034519 Acoustic vector sensor |
| 02/17/2005 | DE10332580A1 Telefon-Handapparat und Akustikwandler für einen solchen Telefon-Handapparat Telephone handset and acoustic transducer for such a telephone handset |
| 02/17/2005 | DE10064258B4 Elektronisches Endgerät, insbesondere Telekommunikations-Endgerät mit Schalleitungsmitteln An electronic terminal, especially telecommunications terminal with scarf conduit means |
| 02/16/2005 | EP1506691A2 Loudspeaker |
| 02/16/2005 | EP1433357B1 Device for listening to voice and/or musical signals by means of cranial bone transmission |
| 02/16/2005 | EP1060606B1 Optical switch for headset |
| 02/16/2005 | CN2679952Y 喇叭 Speaker |
| 02/16/2005 | CN2679881Y Mic wire fixer |
| 02/16/2005 | CN1582602A Bass frequency amplifying apparatus |
| 02/16/2005 | CN1582063A Electret condenser microphone |
| 02/16/2005 | CN1582060A Dodecahedral speaker system |
| 02/16/2005 | CN1582059A Method for manufacturing resin voice box casing and resin casing voice box |
| 02/16/2005 | CN1582058A Mounting and anti-dust structure of loudspeaker |
| 02/16/2005 | CN1582057A Earphone, earphone fixing kit and earphone fixing method |
| 02/16/2005 | CN1581886A Loudspeaker device of portable terminal |
| 02/15/2005 | US6856692 Combination speaker enclosure mounting structure |
| 02/15/2005 | US6856690 Comfortable earphone cushions |
| 02/15/2005 | US6856689 Microphone holder having connector unit molded together with conductive strips |
| 02/15/2005 | US6856577 Method and apparatus for forming a reception beam |
| 02/10/2005 | WO2005013641A1 Surface mountable electret condenser microphone |
| 02/10/2005 | WO2005013640A1 Speaker attaching construction and speaker |
| 02/10/2005 | WO2005011969A1 A mold for manufacturing the buffering cover |
| 02/10/2005 | WO2004100690A3 Facemask communication system |
| 02/10/2005 | US20050033571 Head mounted multi-sensory audio input system |
| 02/10/2005 | US20050031150 Electret condenser microphone |
| 02/10/2005 | US20050031149 Echo-eliminating microphone |
| 02/10/2005 | US20050031148 Portable powered speaker |
| 02/10/2005 | US20050031146 Communications earpiece and method of attenuating acoustical signals |
| 02/10/2005 | US20050031144 Flat display apparatus |
| 02/10/2005 | DE10317264B3 Mikrofon Microphone |
| 02/10/2005 | DE10241342B4 Deckenlautsprecher Ceiling Speakers |
| 02/10/2005 | DE102004019848A1 Tonabnehmereinrichtung für Schlaginstrument Pickup mechanism for Percussion |
| 02/09/2005 | EP1505853A2 Electret condenser microphone |
| 02/09/2005 | EP1505852A1 Piezoelectric speaker, speaker system employing it, and electronic apparatus employing piezoelectric speaker |
| 02/09/2005 | EP1505851A1 Supporting device for sound generator |
| 02/09/2005 | EP1504630A1 Means at electromagnetic vibrator |
| 02/09/2005 | EP1503708A2 Bi-aural listenig device |
| 02/09/2005 | CN2678292Y Portable earphone box |
| 02/09/2005 | CN1579111A 双向通信器件 Two-way communication device |
| 02/09/2005 | CN1579110A Yoke of speaker |
| 02/09/2005 | CN1579109A Transmitter/receiver worn on strap of mask or cap |
| 02/09/2005 | CN1579082A Cellular phone that exposes the user's brain to much less microwave radiation than ordinary cellular phones with the help of a proxy (intermediary) device |
| 02/09/2005 | CN1579026A Radial power megasonic transducer |
| 02/09/2005 | CN1578540A An opto-acoustoelectric device and methods for analyzing mechanical vibration and sound |
| 02/09/2005 | CN1578537A Piezoelectric vibrator |
| 02/09/2005 | CN1578536A Supplying electrical power |
| 02/09/2005 | CN1578535A Line array electroacoustical transducing |
| 02/09/2005 | CN1578132A Surface acoustic wave device and communication apparatus |
| 02/09/2005 | CN1189060C 扬声器装置 The speaker device |
| 02/08/2005 | US6853734 Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore |
| 02/08/2005 | US6853733 Two-wire interface for digital microphones |
| 02/08/2005 | US6851512 Modular microphone array for surround sound recording |
| 02/08/2005 | CA2241056C Acoustic reflector |
| 02/08/2005 | CA2192070C High gain acoustic transducer |
| 02/03/2005 | WO2005011326A1 Telephone handset and acoustic converter for one such telephone handset |
| 02/03/2005 | WO2005011325A2 Passive acoustic radiating |
| 02/03/2005 | WO2005011324A2 Device and method for assisting vocalists in hearing their vocal sounds |
| 02/03/2005 | WO2005011067A1 Speaker cable plug and speaker terminal for receiving such plug, and speaker terminal system using such plug and terminal |
| 02/03/2005 | WO2004107808A3 Display screen loudspeaker |
| 02/03/2005 | WO2004030407B1 Drive mechanism |
| 02/03/2005 | US20050027515 Multi-sensory speech detection system |
| 02/03/2005 | US20050025609 Surface mount ring assembly for loudspeaker |
| 02/03/2005 | US20050025329 Earphone and earphone attachment |
| 02/03/2005 | US20050025327 Spa audio system |
| 02/03/2005 | US20050025324 Surface acoustic wave device and communication apparatus |
| 02/03/2005 | US20050025319 Dodecahedral speaker system |
| 02/03/2005 | US20050025318 Reproduction system for video and audio signals |
| 02/03/2005 | US20050023937 Piezoelectric vibrator |
| 02/03/2005 | US20050022918 Process for fabricating of a speaker enclosure having any preselected external, shape containing internal cavities shaped with preselected enhancements for each preselected driver mounted within said external shaped enclosure |
| 02/03/2005 | DE10345504B3 Universal ear plug for use with in-ear hearing aid has cylindrical section fitting into auditory canal and dished or funnel-shaped section fitting aound outside of latter |
| 02/02/2005 | EP1503498A1 Surface acoustic wave device and communications apparatus |
| 02/02/2005 | EP1503368A1 Head mounted multi-sensory audio input system |
| 02/02/2005 | EP1502476A1 Signal transmission system |
| 02/02/2005 | EP1244278B1 Portable telephone attachment for person hard of hearing |
| 02/02/2005 | EP0873595A4 Loudspeaker thermal management structure |
| 02/02/2005 | CN2676551Y An outlaid high tone loudspeaker |
| 02/02/2005 | CN2676509Y An elastic ear plug |
| 02/02/2005 | CN1575040A Speaker and method of manufacturing the same |
| 02/02/2005 | CN1575039A Speaker and manufacturing method for the same |
| 02/02/2005 | CN1575037A Loudspeaker assembly |
| 02/02/2005 | CN1575035A Loudspeaker device |
| 02/02/2005 | CN1575034A Earphone device for portable terminal |
| 02/02/2005 | CN1575033A Loudspeaker assembly |
| 02/02/2005 | CN1575032A Speaker cabinet |
| 02/02/2005 | CN1575031A Bass loudspeaker apparatus and multiway loudspeaker system having the same |
| 02/02/2005 | CN1575030A Jp2005005814 |
| 02/02/2005 | CN1575029A A low-inductance electromagnetic driver for non-exciting magnetic circuit |
| 02/02/2005 | CN1188008C Multi-functional sound device |
| 02/02/2005 | CN1186975C Method and device for communication with animals |
| 02/01/2005 | US6850138 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |