Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8175313 | Electronic anti-sabotage microphone grommet A tamper detection apparatus includes a housing defining an internal cavity. A sensing device embodied as a microphone is positioned within the internal cavity of the housing, which may also be a protective grommet. A conductive element spans the internal cavity and... | 05/08/2012 |
| 8126183 | Audio source tracking arrangement An audio source tracking arrangement, integrated in or connected to a video conference system, for determining a position of a source creating a sound, including: at least an audio signal processing module configured to determine the position of the source creating ... | 02/28/2012 |
| 8121331 | Surface mount silicon condenser microphone package The present invention relates to a surface mount package for a silicon condenser microphone. The inventive package uses a limited number of components which simplifies manufacturing and lowers costs, and features a substrate which performs functions for which multip... | 02/21/2012 |
| 8098871 | Dynamic microphone Even in the case where the volume of a back air chamber is small, sounds with a low frequency (low range) can be captured by equivalently decreasing the acoustic impedance of the back air chamber. A dynamic microphone includes a microphone unit 20 that includ... | 01/17/2012 |
| 7434305 | Method of manufacturing a microphone A silicon condenser microphone package is disclosed. The silicon condenser microphone package comprises a transducer unit, substrate, and a cover. The substrate includes an upper surface having a recess formed therein. The transducer unit is attached to the upper su... | 10/14/2008 |
| 7412267 | Mobile device with a combination attachment and acoustic port A method and apparatus for combining an attachment and acoustic port on a housing of a mobile device is disclosed herein. The mobile device includes a speaker disposed within the housing. A combined attachment and acoustic port disposed on the housing is configured ... | 08/12/2008 |
| 7302073 | Method of detecting and deterring microphone sabotage A protective grommet for a microphone has an enclosure with an internal cavity. The internal cavity is dimensioned to receive an input end of the microphone therein. A membrane, particularly a mesh, and more particularly a wire mesh, and more particularly a stainles... | 11/27/2007 |
| 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 |
| 7079663 | Microphone A microphone comprising a diaphragm which has a front diaphragm surface on which sound waves impinge and a rear diaphragm surface which is at least partially acoustically separated from the front diaphragm surface, and a sound inlet, through which sound waves can go... | 07/18/2006 |
| 7043043 | Microphone apparatus There is provided a microphone apparatus with an adjusting mechanism that prevents wind noise generated at a sound absorbing hole from perceptively inputted in the structure having a microphone built-in at the back of a panel with a sound absorbing hole. A so... | 05/09/2006 |
| 7013017 | Microphone capsule support A microphone capsule support in which the microphone capsule is mounted elastically in a microphone housing using two annular diaphragms. The capsule is connected through the annular diaphragms to a bearing bushing and a cover is connected to the bearing bushing at ... | 03/14/2006 |
| 6968070 | Microphone A microphone includes a tubular handgrip extending in a longitudinal direction, confining an accommodating space, and having a surrounding wall formed with an opening for access into the accommodating space. A battery-mounting seat is mounted in the accommodating sp... | 11/22/2005 |
| 6950529 | System consisting of a microphone and an amplifier Microphone/amplifier system in which the microphone comprises a case with an inlet opening, a diaphragm and a backplate, and the amplifier is arranged in the case and is coupled to the diaphragm/backplate system. In the case, the diaphragm forms a first partition be... | 09/27/2005 |
| 6935458 | Microphone shroud and related method of use A shroud and method capable of attenuating undesirable environmental noise from reaching a microphone. The shroud is a cover including a closed end, an open end substantially opposite of the closed end, and an intermediate portion that extends away from the closed e... | 08/30/2005 |
| 6928174 | Microphone structure A microphone structure comprising a microphone (M) and an electro-static discharge protector (ZD) placed close to microphone capsule (300), preferably inside it. Further the structure comprises within the microphone capsule an e.g. ladder-type filter having p... | 08/09/2005 |
| 6721432 | Microphone and video camera An intermediate connector (14) is provided between a microphone unit (2) and a cylindrical housing (4). The connector (14) electrically connects the grounding part of the microphone unit (2) and the cylindrical housing (4) s... | 04/13/2004 |
| 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 |
| 6477257 | Directional microphone A directional microphone includes a yoke, and a magnet and a washer disposed in the yoke. An annular cap body encloses a surrounding wall portion of the yoke, and has a plurality of first air passages extending from a front portion through a rear portion ... | 11/05/2002 |
| 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 |
| 6351543 | Micro-microphone A micro-microphone, for attachment to the clothing or directly to the body of a user, has a housing with a housing mantle, an end plate connected to a first end of the housing mantle, and a bottom plate connected to the second end of the housing mantle. T... | 02/26/2002 |
| 6154554 | Microphone The present invention provides a microphone in which a first acoustic capacity for mainly determining resonance frequency and a second acoustic capacity for mainly determining resonance sharpness are defined in a resonance portion, said first acoustic cap... | 11/28/2000 |
| 6130952 | Microphone A microphone in which a diaphragm which is vibrated by a sound wave received, and a conversion portion such as a magnetic circuit for electrically acting on the diaphragm to convert the vibration into an electric signal are incorporated into a unit case, ... | 10/10/2000 |
| 6108433 | Method and apparatus for a magnetically induced speaker diaphragm An ultrasonic emitter device having broad frequency range capacity with relatively large diaphragm displacement compared to typical electrostatic diaphragm movement. The device includes a core member able to establish a variable magnetic field adjacent th... | 08/22/2000 |
| 6091829 | Microphone apparatus A microphone housing system is disclosed having a tapered structure enclosed within the housing structure coupled to a rear portion of a microphone element. In the preferred embodiment, the tapered portion has a generally conic shape expanding away from t... | 07/18/2000 |
| 5802198 | Hermetically sealed condenser microphone A hermetically sealed condenser microphone including an outer sealing diaphragm hermetically sealing an electroacoustic transducer within a case from the outside environment. The sealing diaphragm passes sound undiminished through an underlying intervenin... | 09/01/1998 |
| 5442713 | Microphone packaging scheme A packaging scheme (10) for a microphone (22) comprises a housing having first opening (50) and a second opening (52) at opposing ends of the housing. The microphone has a top portion and a bottom portion arranged within the housing wherein the top portio... | 08/15/1995 |
| 5410608 | Microphone A microphone holder includes, a housing comprising a base portion having a first aperture therein and sidewall portions disposed on the base to provide the housing with a microphone receiving cavity region. A cover, having a second aperture therein, is di... | 04/25/1995 |
| 5365595 | Sealed microphone assembly A sealed microphone assembly is disclosed including a microphone (120), a microphone housing (110) having a cavity (116) being resonant at an audio frequency range, and a sealing membrane (130). The sealing membrane 130 covers the cavity 116, thereby maki... | 11/15/1994 |
| 5319717 | Hearing aid microphone with modified high-frequency response A microphone for a hearing aid having a modified high frequency response is disclosed. The hearing aid comprises a hollow housing having an upper wall, a lower wall and a depending wall disposed between the upper wall and the lower wall. The upper, lower ... | 06/07/1994 |
| 4937877 | Modular microphone assembly A modular microphone assembly housed in a handsfree telephone apparatus provides an environment that is isolated from a loudspeaker installed within the apparatus and through which environment the directional and frequency response characteristics of a di... | 06/26/1990 |
| 4885781 | Frequency-selective sound transducer A frequency-selective sound transducer comprised of a number of resonators with differing but sequential natural frequencies arranged in a first plane. A deformable membrane is arranged in a second plane, parallel to the first plane and in close proximity... | 12/05/1989 |
| 4862507 | Microphone acoustical polar pattern converter A microphone acoustical polar pattern converter conveniently converts the acoustical polar pattern of a microphone from cardioid to supercardioid and back at will. The converter includes primarily a body of a tubular body portion fitted forward of the mic... | 08/29/1989 |
| 4843628 | Inertial microphone/receiver with extended frequency response An inertial transducer is provided comprising a housing containing therein a magnetic circuit including components thereof separated by a spring diaphragm wherein the flexing of the diaphragm causes the components to move toward and away from each other t... | 06/27/1989 |
| 4777650 | Dual cavity pressure microphones A dual cavity pressure microphone comprising a microphone housing and an oscillating element mounted in or on said housing. The oscillating element including a membrane which is in principle only sensitive to a sound field on one side, the second side for... | 10/11/1988 |
| 4697334 | Method of producing electroacoustic converters, preferably microphones, and converters produced according to the method An electroacoustic converter with a closed-off resonance chamber, e.g. a microphone, including frame (1) carrying an electrode (2) and a diaphragm (3) connected by a connecting member (5) to an amplifier. A band (17) of plastically deformable material is ... | 10/06/1987 |
| 4511768 | Mounting arrangement for altering a microphone's frequency response A microphone mounting arrangement for altering the microphone's audio frequency response characteristic comprises a microphone disposed within an enclosure bounded by a loudspeakers cone on one side and a flexible diaphragm on the other side. The micropho... | 04/16/1985 |
| 4450930 | Microphone with stepped response A microphone, particularly for hearing aid application, said microphone providing a stepped response characteristic relative to frequency wherein low frequency sounds will couple to the associated hearing aid with a restricted amount of amplification, whi... | 05/29/1984 |
| 4401859 | Directional microphone with high frequency selective acoustic lens A unidirectional dynamic microphone provided with a first sound path to the forward side of the diaphragm and a second sound path to the rear side of the diaphragm, a Helmholtz resonator disposed in the first sound path having a sound entrance, and a diff... | 08/30/1983 |
| 4363937 | Sound inlet for microphones A sound inlet for microphones to inhibit noises caused by sonic pressure changes occurring in shocklike pulses is disclosed which includes, in the area in front of the diaphragm walls which extend the microphone housing and have sound entry channels with ... | 12/14/1982 |
