| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 05/14/2008 | CA2573431A1 Ultrasonic transducer having a digital interface |
| 05/13/2008 | US7373169 Earphone antenna and portable radio equipment provided with earphone antenna |
| 05/13/2008 | US7372974 Headphone with cord winder devices |
| 05/13/2008 | US7372967 Microphone bias circuit |
| 05/13/2008 | CA2370128C Apparatus and method for tuning ultrasonic transducers |
| 05/08/2008 | WO2008055253A1 In-plane speaker |
| 05/08/2008 | WO2008054921A2 Electroacoustic system and method of manufacturing thereof |
| 05/08/2008 | US20080107300 Headset Acoustic Device and Sound Channel Reproducing Method |
| 05/08/2008 | US20080107290 Acoustic vibration generating element |
| 05/08/2008 | US20080107289 Recreational bone conduction audio device, system |
| 05/08/2008 | DE202008002958U1 Anordnung von Mikrofonen und Vorrichtung zum Erfassen eines akustischen Signals Arrangement of microphones and apparatus for detecting an acoustic signal |
| 05/08/2008 | DE102006051613A1 Loudspeaker housing, has loudspeaker arranged in baffle that is flexibly formed in sub-range so that position of loudspeaker is changed after installing loudspeaker into housing, where loudspeaker is relocatably supported on rail |
| 05/08/2008 | DE102005051591B4 Lautsprechervorrichtung Speaker device |
| 05/07/2008 | EP1918703A1 Acoustic emission control of slag height in a steelmaking process |
| 05/07/2008 | EP1917837A2 Method and apparatus for improving noise discrimination using attenuation factor |
| 05/07/2008 | EP1917836A2 Noise mitigating microphone system and method |
| 05/07/2008 | EP1459293B1 Electropneumatic horn |
| 05/06/2008 | US7369674 Acoustic apparatus |
| 05/06/2008 | US7369673 Speaker supporting device and electronic device comprising this speaker supporting device |
| 05/06/2008 | US7369672 Personal audio visual system |
| 05/06/2008 | US7369666 Audio reproducing system |
| 05/06/2008 | US7367423 Speaker assembly with aiming device |
| 05/06/2008 | US7367422 System and method for providing passive noise reduction |
| 05/06/2008 | CA2609127A1 Bend stiffener |
| 05/02/2008 | WO2008051009A1 Sound converter |
| 05/02/2008 | WO2008050583A1 Intercom device and wiring system using the same |
| 05/02/2008 | WO2008050480A1 Insert earphone |
| 05/02/2008 | WO2008050123A1 Loudspeakers |
| 05/02/2008 | WO2008049467A1 Acoustic dipole emitter of a flat design |
| 05/02/2008 | WO2008049211A1 Media module |
| 05/02/2008 | WO2007079478A3 Portable speaker device and portable audio device player |
| 05/01/2008 | US20080103655 Vehicle rearview mirror assembly incorporating a communication system |
| 05/01/2008 | US20080101649 Electroacoustic transducer |
| 05/01/2008 | US20080101647 Full-range speaker device |
| 05/01/2008 | US20080101646 In-plane speaker |
| 05/01/2008 | US20080101645 Low frequency electroacoustical transducing in a vehicle |
| 05/01/2008 | US20080101643 Method and device for noise control in a headset |
| 05/01/2008 | US20080101640 Electroacoustic system and method of manufacturing thereof |
| 05/01/2008 | US20080101639 Speaker Module for Electronic Device |
| 05/01/2008 | US20080101638 Portable electronic device and personal hands-free accessory with audio disable |
| 05/01/2008 | US20080101630 Microphone |
| 05/01/2008 | US20080101629 System, Method and Apparatus for Adjusting an Output of a Transducer |
| 05/01/2008 | US20080101624 Speaker directionality for user interface enhancement |
| 05/01/2008 | US20080101620 Loudspeaker system for virtual sound synthesis |
| 04/30/2008 | EP1916869A2 Speaker mounted in an enclosure for a mobile communication device |
| 04/30/2008 | EP1915840A1 Mobile dictating system |
| 04/30/2008 | EP1915320A1 Method for manufacturing a microelectronic package comprising a silicon mems microphone |
| 04/30/2008 | DE202008001649U1 Lautsprecherkabel Verbindungsfrei Speaker Cable connection free |
| 04/30/2008 | DE202008001180U1 Spezialinnenbeschichtung für Lautsprecherboxengehäuse Special internal coating for speakers housings |
| 04/30/2008 | DE112006001411T5 Tragbarer Lautsprecher mit separaten Gehäusen Portable speakers with separate enclosures |
| 04/30/2008 | DE102007050410A1 Electronic device e.g. mobile phone, has microphones for receiving audio signals, and controller for selectively adjusting one microphone to receive surrounding noises, where microphones comprise film bulk acoustic structures |
| 04/30/2008 | CN201054776Y Side reflection horn box |
| 04/30/2008 | CN201054775Y High-sound intensity and powerful direction amplifier |
| 04/30/2008 | CN201054774Y Lift-rotary horn device |
| 04/30/2008 | CN201054773Y Novel separated earphone |
| 04/30/2008 | CN201054772Y An earphone |
| 04/30/2008 | CN201054771Y Thin easy-to-take back earphone |
| 04/30/2008 | CN201054770Y Earphone line collector |
| 04/30/2008 | CN201054769Y Earphone line collection box |
| 04/30/2008 | CN201054768Y Novel earphone |
| 04/30/2008 | CN201054767Y Earphone line collector |
| 04/30/2008 | CN201054766Y An earphone plug with external jack |
| 04/30/2008 | CN201054765Y An earplug line with slide fastener |
| 04/30/2008 | CN201054764Y Ear hang earphone |
| 04/30/2008 | CN201054763Y Microphone sound header structure |
| 04/30/2008 | CN201054762Y Ear hang microphone |
| 04/30/2008 | CN201054761Y Adjustable ear hang microphone |
| 04/30/2008 | CN201054760Y Ear hang microphone |
| 04/30/2008 | CN201054759Y Ear hang microphone |
| 04/30/2008 | CN201054758Y Multi-function mike |
| 04/30/2008 | CN201054757Y Micro microphone |
| 04/30/2008 | CN201054756Y Ear hang microphone |
| 04/30/2008 | CN201054755Y Tone picker |
| 04/30/2008 | CN201054754Y A microphone bracket connector |
| 04/30/2008 | CN201054753Y Microphone pin |
| 04/30/2008 | CN201054752Y A horn lead |
| 04/30/2008 | CN201054751Y A digital microphone |
| 04/30/2008 | CN201054750Y Sound box device attached to the outdoor leisure umbrella |
| 04/30/2008 | CN201054749Y Combined device for Bluetooth earphone and sound amplification |
| 04/30/2008 | CN201054748Y High and low sound connected air horn |
| 04/30/2008 | CN201054747Y Combined horn structure |
| 04/30/2008 | CN201054746Y Pottery wood combined middle Yuan |
| 04/30/2008 | CN201054745Y A flat board frame sound box |
| 04/30/2008 | CN201054744Y Sound box capable of making desk give sound |
| 04/30/2008 | CN201054743Y High fidelity sound box integrated sound adjusting line material |
| 04/30/2008 | CN201054742Y Combined sound box |
| 04/30/2008 | CN201054586Y Improved radio earphone structure |
| 04/30/2008 | CN101170841A Loudspeaker |
| 04/30/2008 | CN101170840A Voice playing device |
| 04/30/2008 | CN101170325A Bluetooth wireless microphone |
| 04/30/2008 | CN100385997C Noise-reducing earpiece |
| 04/29/2008 | US7366317 Apparatus for creating motion amplification in a transducer with improved linkage structure |
| 04/29/2008 | US7366314 Speaker clearance arrangement for a communication device |
| 04/29/2008 | US7366310 Microphone array diffracting structure |
| 04/29/2008 | US7366308 Sound pickup device, specially for a voice station |
| 04/29/2008 | US7366298 Headset |
| 04/29/2008 | US7365476 Methods and systems for supporting acoustical transducers |
| 04/29/2008 | US7364009 Loudspeaker mounting frame, loudspeaker and cabinet comprising a loudspeaker |
| 04/29/2008 | US7364007 Integrated acoustic transducer assembly |
| 04/24/2008 | WO2008047804A1 Voice conference device and voice conference system |