| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 07/01/2009 | CN101472203A Electronic device |
| 07/01/2009 | CN100508648C Horn speaker with high air flow efficiency |
| 07/01/2009 | CN100508647C Pressure gradient microphone carbon capsule |
| 07/01/2009 | CN100508646C Microphone with high wind resisting capacity |
| 06/25/2009 | WO2009079604A2 Headset with noise plates |
| 06/25/2009 | WO2009078531A1 Earphone via drumhead |
| 06/25/2009 | WO2009078500A1 Wireless headset |
| 06/25/2009 | WO2009078164A1 Speaker device having directivity adjustment panel |
| 06/25/2009 | WO2009077952A1 Loudspeaker cover |
| 06/25/2009 | WO2009077686A2 Interference-free parking-assistance sensor assembly |
| 06/25/2009 | WO2009077152A1 Signal pickup with a variable directivity characteristic |
| 06/25/2009 | WO2009077145A1 In-ear headphone and headset |
| 06/25/2009 | WO2009052444A3 Microphone array processor based on spatial analysis |
| 06/25/2009 | US20090161906 Transducer with variable compliance |
| 06/25/2009 | US20090161905 Speaker and magnetic circuit |
| 06/25/2009 | US20090161904 Speakerphone using adaptive phase rotation |
| 06/25/2009 | US20090161903 Docking station capable of being mounted to a sports support pole |
| 06/25/2009 | US20090161902 Loudspeakers, systems and components thereof |
| 06/25/2009 | US20090161901 Ultra thin package for electric acoustic sensor chip of micro electro mechanical system |
| 06/25/2009 | US20090161900 Microphone assembly for minimizing acoustic feedback from a loudspeaker |
| 06/25/2009 | US20090161892 Fetal communication system |
| 06/25/2009 | US20090161886 Microphone unit and sound input apparatus |
| 06/25/2009 | US20090161880 Method and apparatus to create a sound field |
| 06/25/2009 | US20090161064 Support Particularly for Frames of Eyeglasses and In-Ear Speakers |
| 06/25/2009 | DE202009003630U1 Lautsprecherbox mit Druckunterschied Speaker with pressure difference |
| 06/25/2009 | DE102007061824A1 Data transmission system for transmitting coded data stream, has sender and receiver, where sender has loudspeaker for transmitting coded data stream and control circuit for controlling loudspeaker |
| 06/25/2009 | DE102007061310A1 Elektroakustischer Miniaturwandler mit Haltemittel zum Einbau in ein Hörgerät An electroacoustic miniature transducer with retaining means for mounting in a hearing aid |
| 06/25/2009 | CA2709832A1 Headset with noise plates |
| 06/24/2009 | EP2073569A1 Material for speaker device and speaker device using it |
| 06/24/2009 | EP2073568A1 Holder for a speaker box |
| 06/24/2009 | EP1757157A4 Multimedia speaker with integrated stand |
| 06/24/2009 | CN201263209Y Force transfer replaceable earphone |
| 06/24/2009 | CN201263208Y 耳机连接器 Headphone connector |
| 06/24/2009 | CN201263207Y Loudspeaker box base and sound equipment |
| 06/24/2009 | CN201263206Y Hanging mechanism of loudspeaker box |
| 06/24/2009 | CN201263205Y Acoustic enclosure board |
| 06/24/2009 | CN101467466A 相位塞 Phase plug |
| 06/24/2009 | CN100505919C Speaklouder |
| 06/24/2009 | CN100505776C Foldable portable terminal apparatus |
| 06/23/2009 | USRE40781 Method of providing a hydrophobic layer and condenser microphone having such a layer |
| 06/23/2009 | US7551940 Two-way voice communication device having external acoustic noise reduction |
| 06/23/2009 | US7551749 Baffle vibration reducing |
| 06/23/2009 | US7551748 Earphone |
| 06/23/2009 | US7551746 Drive unit for electro-acoustic converter with radially magnetized permanent magnetic bars |
| 06/23/2009 | US7551519 Passive long range acoustic sensor |
| 06/23/2009 | CA2482141C Sound or ultrasound sensor |
| 06/19/2009 | CA2614391A1 New speakers |
| 06/18/2009 | WO2009076649A2 Headphone apparatus |
| 06/18/2009 | US20090154757 Speaker Device, Installation Body for Speaker Device, and Mobile Body Having Speaker Device Mounted Thereon |
| 06/18/2009 | US20090154756 Printed Circuit Board for a Flat-Panel Speaker |
| 06/18/2009 | US20090154752 Condenser microphone |
| 06/18/2009 | US20090154750 Wave Guide Unit |
| 06/18/2009 | US20090154720 Sound output control device and sound output control method |
| 06/18/2009 | US20090154719 Modular Mobile Computing Headset |
| 06/18/2009 | US20090154712 Apparatus and method of outputting sound information |
| 06/18/2009 | DE102008056774A1 Loudspeaker e.g. center loudspeaker, arrangement for production of spatial sound in e.g. lorry, has main sound portion reflected from windscreen, where sound is reflected from panel and reflection direction following head area of passenger |
| 06/18/2009 | DE102007060233A1 Hörer, Headset und Gehörschutz Handset, headset and ear protection |
| 06/18/2009 | DE102007059724A1 Vorrichtung zur Wiedergabe von Schall bei hohen Temperaturen An apparatus for reproducing sound at high temperatures |
| 06/18/2009 | DE102007057492A1 Mikroelektromechanisches System Micro-Electro-Mechanical System |
| 06/18/2009 | DE10011732B4 Fernsehgerätegehäuse und Fernsehgerät damit Televisions and television housing so |
| 06/17/2009 | EP2071867A1 Headset |
| 06/17/2009 | EP2071866A2 A detachable earpiece auditory device with spring operation |
| 06/17/2009 | EP1778036B1 Hearing protection and/or loudspeaker element |
| 06/17/2009 | CN201260238Y Induction earphone for playing device |
| 06/17/2009 | CN201260237Y Insert earphone adopting bone conduction loudspeaker |
| 06/17/2009 | CN201260236Y Earphone for lovers |
| 06/17/2009 | CN201260235Y One-time forming vacuum tube ring on vacuum tube machine seat |
| 06/17/2009 | CN201260234Y Socket connector used for acoustic equipment |
| 06/17/2009 | CN101461254A Audio transducer system with long port |
| 06/17/2009 | CN101459864A Speaker apparatus of mobile communication terminal for outputting high quality sound |
| 06/17/2009 | CN101459863A Loudspeaker for vehicle |
| 06/17/2009 | CN100502560C Condenser microphone assembly |
| 06/17/2009 | CN100502430C Circulating loudspeaker device of mobile communication terminal |
| 06/16/2009 | US7548766 Flat type speaker unit, and electronic appliance having this unit |
| 06/16/2009 | US7548632 Speaker, module using the same, electronic equipment and device, and speaker producing method |
| 06/16/2009 | US7548630 Integrated loudspeaker system |
| 06/16/2009 | US7548627 Speaker, and module, electronic apparatus, and device that use the speaker |
| 06/16/2009 | US7548489 Method for designing a resonant acoustic projector |
| 06/16/2009 | US7546897 Speaker diaphragm and method of manufacturing speaker diaphragm |
| 06/11/2009 | WO2009073852A1 System and method to provide two-way communications to and from a mouth wearable communicator |
| 06/11/2009 | WO2009073578A2 Loudspeaker-transducer array |
| 06/11/2009 | WO2009072684A1 A wireless headset system capable of transmitting audio signal between multiple devices and a controlling method thereof |
| 06/11/2009 | WO2009072237A1 Bone-conduction speaker microphone |
| 06/11/2009 | WO2009071896A1 Apparatus for accurate ambient noise sensing and reduction in the presence of wind |
| 06/11/2009 | WO2009038999A4 Annular pressure monitoring during hydraulic fracturing |
| 06/11/2009 | US20090147984 Electroacoustic transducer |
| 06/11/2009 | US20090147983 Method and system of a linkage assembly for use in an electroacoustic transducer |
| 06/11/2009 | US20090147980 Narrow profile speaker configurations and systems |
| 06/11/2009 | US20090147971 Phone and volume control unit |
| 06/11/2009 | CA2707717A1 System and method to provide two-way communications to and from a mouth wearable communicator |
| 06/10/2009 | EP2067374A1 Adjustable earpiece |
| 06/10/2009 | EP1767054A4 Programmable hearing health aid within a headphone apparatus, method of use, and system for programming same |
| 06/10/2009 | EP1563708B1 A headset |
| 06/10/2009 | DE202009004224U1 Abdeckung, insbesondere für ein Instrumententafelbauteil, sowie Spritzgusswerkzeug zu dessen Herstellung Cover, in particular for an instrument panel component, and injection molding tool for the production thereof |
| 06/10/2009 | DE102007057319A1 Earphone has two jackets which are connected to form housing and stress relief casing is provided between two jackets, where stress relief casing has inner molded padding and outer molded padding |
| 06/10/2009 | CN201256445Y Health prompt earphone |
| 06/10/2009 | CN201256444Y A loudspeaker box |
| 06/10/2009 | CN101455092A Personal listening device |
| 06/10/2009 | CN101453679A Parametric array loudspeaker, signal processing method thereof |
| 06/10/2009 | CN101453678A Loudspeaker mechanism and electronic device applying the same |