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| Number | Title | Issue Date |
| 8170257 | Apparatus for reducing background and wind noise to a microphone An apparatus for reducing background and wind noise to a microphone contained in a microphone casing comprises a clamshell enclosure. The clamshell enclosure has a top piece and a bottom piece held together by a hinge or a plastic membrane, wherein the clamshell enc... | 05/01/2012 |
| 8019109 | Microphone boom with adjustable wind noise suppression A microphone boom cap includes a porous plastic portion adapted to cover a microphone boom first aperture. The microphone boom cap includes a non-porous plastic portion affixed to the porous plastic portion. The non-porous plastic portion is adapted to cover a micro... | 09/13/2011 |
| 8009852 | Microphone windguard A windguard for a microphone includes an acoustic inlet at a downstream end and at least one pressure-relief port upstream of the acoustic inlet. The windguard has a base, a skirt depending from the base, and a first hood projecting from the base. The base and skirt... | 08/30/2011 |
| 8009851 | Noise reduction system and method The present invention relates to a sound receiving device and a microphone unit for such a sound receiving device. In microphone unit there is provided a microphone, an air filled chamber and a wind noise barrier covering chamber for providing a wind shield and havi... | 08/30/2011 |
| 7916887 | Wind-shielded acoustic sensor A wind-shielded acoustic sensor, having a microphone and a housing of the microphone. The housing has a streamlined, continuous profile about a latitudinal axis and a longitudinal axis thereof, such that wind-induced noise can be reduced. A plurality of uniformly sp... | 03/29/2011 |
| 7894621 | Audio device comprising a microphone An audio device includes a microphone, a sound canal allowing sound to pass from the surroundings to the microphone, a signal path from the microphone to a receiver, and a current source, such that sounds received at the microphone may be enhanced and presented at t... | 02/22/2011 |
| 7738670 | Hidden hands-free microphone with wind protection A wind protection device for a microphone, the wind protection device including a body portion having a raised surface, a lower surface and a front face. The raised surface has a flow separation edge. The lower surface is offset from the raised surface the front fac... | 06/15/2010 |
| 7496208 | Wind shield and microphone A pop reduction filter can be properly replaced with a simple operation according to the use of a microphone. A wind shield including a shield body 20 made of an open-cell foam with a microphone insertion hole 30, the wind shield being directly put on ... | 02/24/2009 |
| 7369664 | Hands-free microphone with wind guard An airflow guard for a microphone includes a shell having an airflow diverter and a flow separation edge. The airflow diverter partially surrounds the microphone to redirect a flow of air away from the microphone. The flow of air separates from one of the airflow di... | 05/06/2008 |
| 7260236 | Wind noise suppression in directional microphones A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively... | 08/21/2007 |
| 7255196 | Windshield and sound-barrier for seismic sensors A system and method for reducing acoustic, wind or other background noise that may interfere with sensing of a seismic signal is provided. More specifically, a shield is provided to enclose a geophone and thereby protect it from harmful noise. The shield may compris... | 08/14/2007 |
| 7248703 | Systems and methods for adaptive noise cancellation A system (400) for reducing non-acoustic noise includes a primary sensor (420), at least one secondary sensor (410), a filter (415), and a summation unit (425). The primary sensor (420) measures pressure and produces a prima... | 07/24/2007 |
| 7245733 | Hearing instrument microphone arrangement with improved sensitivity The invention is directed to a hearing instrument for positioning in the ear of a user, incorporating a faceplate having first and second spatially separated sound openings for receiving sound to be provided to respective inlets of a microphone; at least one screen ... | 07/17/2007 |
| 7243068 | Microphone setup and testing in voice recognition software Systems, devices, and methods for performing a microphone test routine are disclosed during an initial setup of a speech recognition program and at a predetermined time intervals during use of the speech recognition program to detect recognition errors associated wi... | 07/10/2007 |
| 7155024 | Microphone A microphone includes a tubular housing extending along a longitudinal axis, a perforated cover mounted on a front open end of the housing and having a circular cross section along a plane transverse to the longitudinal axis, and a positioning ring sleeved on the pe... | 12/26/2006 |
| 7136494 | Vehicle accessory microphone assembly having a windscreen with hydrophobic properties A microphone assembly for a vehicle accessory includes one or more transducers positioned in a microphone housing. The microphone housing has at least one acoustic port to which the transducer is acoustically coupled. The microphone assembly further includes a winds... | 11/14/2006 |
| 7136500 | Electret condenser microphone An electret condenser microphone includes a housing, a diaphragm disposed within the housing, first and second sound inlet ports and an acoustic resistive material disposed within the housing and in the acoustic path between the second inlet port and the diaphragm. ... | 11/14/2006 |
| 7130431 | Vehicle accessory microphone A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides a... | 10/31/2006 |
| 7120261 | Vehicle accessory microphone A microphone assembly includes at one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the side... | 10/10/2006 |
| 7106875 | Dual boundary pressure zone three dimensional microphone and hearing aid In general, a three dimensional microphone and a three dimensional hearing aid is described. The microphone and hearing aid typically have two boundaries that contribute to the increased frequency response and three dimensional response of the microphone. A micropho... | 09/12/2006 |
| 7099484 | Behind-the-ear hearing aid A behind-the-ear hearing aid is provided with an electric/acoustic transducer unit with a loud-speaker housing (53), in which there is a loud-speaker membrane 54. The housing (53) is spring-mounted in a capsule (59) in such a way that the... | 08/29/2006 |
| 6993145 | Speaker grille frame A speaker grille (10) comprises a cloth (18) and a frame (20) to support the cloth (18). The cloth (18) is preferably stretched taunt over the frame (20) for minimal movement in response to speaker excursion. The frame (2... | 01/31/2006 |
| 6925188 | Ported speaker enclosure of a portable computer A portable computer provides a modular ported speaker enclosure independent of the portable computer surfaces of the portable computer. The speaker enclosure can include a speaker enclosure top and a speaker enclosure base. A plurality of ports are formed into the s... | 08/02/2005 |
| 6724904 | Microphone mounting assembly A mounting assembly for removably supporting a microphone in an operative position and in a manner which will protect the microphone against attenuating high impact phonetic peaks. A plurality of support assemblies are selectively attachable to one another to assume... | 04/20/2004 |
| 6704427 | Acoustic transducer with improved acoustic damper An acoustic damper for covering a housing inlet of a transducer is disclosed. The damper includes a mesh panel and a non-mesh periphery. The non-mesh periphery of the damper is adhesively attached to the housing of the transducer wherein the mesh panel co... | 03/09/2004 |
| 6614911 | Microphone assembly having a windscreen of high acoustic resistivity and/or hydrophobic material A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from ... | 09/02/2003 |
| 6587569 | Differential-pressure microphone The pressure-difference microphone is arranged in a housing, and there is provided in one of the housing walls a single opening, directed onto the front side of the microphone, for feeding voice commands which can be produced in the acoustic near field of... | 07/01/2003 |
| 6510230 | Support device for a behind-the-ear hearing aid A support for a behind-the-ear hearing aid, including a body and a sound tube that includes at least one pad positioned underneath the behind-the-ear hearing aid, and at least one attachment mechanism that connects the at least one pad to the behind-the-e... | 01/21/2003 |
| 6496587 | Hearing aid A hearing aid comprising a case (1) and a horn (2) connectable to the case. The hearing aid also includes an acoustic input aperture and an acoustic output aperture (4). The horn (2) is rotatably supported in the case (1), and a detachable lid (3) is rele... | 12/17/2002 |
| 6463159 | Battery case structure of microphone of loudspeaker system A microphone battery case is disposed in the hand grip of the microphone and is provided with a battery slot for receiving removably a battery mount on which a plurality of batteries are mounted. The battery slot is provided with a slide rail and a spring... | 10/08/2002 |
| 6451148 | Microphone wind shield and method for production thereof A method for disposing a letter sequence onto the outer surface of a microphone wind shield made from foamed material includes the steps of producing at least one letter sequence element on a carrier; positioning the carrier onto the outer surface of the ... | 09/17/2002 |
| 6424724 | Head screen structure of microphone housing of loudspeaker system A microphone housing comprises a head screen and a head base for mounting a microphone on one end of a hand grip in conjunction with the head screen. The head base is provided in the outer edge with a plurality of elastic clamp pieces, each having a retai... | 07/23/2002 |
| 6418229 | Directional microphone, in particular having symmetrical directivity The present invention relates to a directional microphone, in particular having symmetrical directivity, having an interference tube with a tube axis which is provided with a row of sound inlets arranged at least approximately parallel to tube axis, and w... | 07/09/2002 |
| 6091830 | Transmitter structure for limiting the effects of wind noise on a microphone A transmitter structure which is resistance to wind noise and the like and allows a reduction in size is disclosed. A sound hole is formed in a case at an offset position with respect to a microphone, and a slit extending from the sound hole to the microp... | 07/18/2000 |
| 5905803 | Flush-porting method and device for reduction of wind-induced noise in a microphone The present invention provides a method (600) and device (400) for minimizing wind-induced noise in a microphone. The device includes: a housing (412) having a recessed area shaped to accommodate a microphone transducer (410); the microphone transducer (4... | 05/18/1999 |
| 5444790 | Microphone windscreen mounting A mounting for detachable securing a windscreen to a microphone includes a magnetic ring on one of the windscreen or microphone and a complementary steel ring on the other of the windscreen or microphone. A plastic ring is provided to hold the magnetic ri... | 08/22/1995 |
| 5329593 | Noise cancelling microphone A noise cancelling microphone for use in noisy environments is disclosed wherein noise entering the front portion of the microphone housing to impinge upon the microphone cartridge diaphragm is also permitted to enter proximate the rear portion of the mic... | 07/12/1994 |
| 5144677 | Hand-held microphone apparatus with resilient stabilizing ring A microphone apparatus consists of a microphone body which incorporates a built-in microphone chip; a microphone cover formed of a net material and secured to the front end of the microphone body to enclose and protect the microphone chip inside; and a re... | 09/01/1992 |
| 4975966 | Reducing microphone puff noise A low puff boom microphone includes a protective grid covering an end portion of the microphone housing, a microphone capsule near the protective grid, a layer of material between the protective grid and microphone capsule, a spacer between the layer of m... | 12/04/1990 |
| 4966252 | Microphone windscreen and method of fabricating the same The microphone windscreen has a smooth level outer surface with decreased wind resistance and enhanced acoustic properties. The screen includes a resilient, hollow tubular body member of metal or plastic or the like, preferably polyethylene plastic, havin... | 10/30/1990 |
