Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8111836 | System and method using a phased array of acoustic generators for producing an adaptive null zone A performance venue with a main speaker system is provided having a target coverage area within the performance venue. A performance area is located within the performance venue outside the target coverage area of the main speaker system. A low frequency directed au... | 02/07/2012 |
| 8103013 | Acoustic transducer device An acoustic transducer device is provided. The device includes a body, a speaker, a microphone, and a processor. The body has a cavity, a sound exit, and a sound entrance. The cavity interflows with the sound exit and accommodates the speaker. The microphone is disp... | 01/24/2012 |
| 7970148 | Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities A method and apparatus for providing simultaneous enhancement of transmission loss and absorption coefficient using activated cavities is presented. A layer of material is provided, and a backing plate having a plurality of cavities on the top surface of said backin... | 06/28/2011 |
| 7885418 | Acoustic actuator and passive attenuator incorporating a lightweight acoustic diaphragm with an ultra low resonant frequency coupled with a shallow enclosure of small volume Disclosed is a loudspeaker assembly incorporating innovations resulting in an enclosure of very small volume to which is integrated a large area, shallow and lightweight acoustic diaphragm assembly capable of a natural resonant frequency of a few Hertz. This is achi... | 02/08/2011 |
| 7372654 | Noise reduction system, disk storage unit, hard disk drive and noise reduction method An active noise canceller outputs a noise pattern learning request signal to a hard disk drive causing the hard disk drive to perform a predetermined operation, receives noise at this moment through a sound-receiving unit, and stores, in a nonvolatile memory unit, a... | 05/13/2008 |
| 7366309 | Robot A robot includes first and second microphones and movable portions. The first microphone gathers a first sound reception signal by gathering mainly a target signal. The second microphone gathers a second reception sound signal by gathering mainly noise other than th... | 04/29/2008 |
| 7352870 | Active sound muffler and active sound muffling method An active sound muffler for reducing a sound to be reduced as emitted from a sound source located at one of the opposite sides of a sound insulating wall and diffracted and transmitted to the other side, the muffler comprises a control loudspeaker arranged at the fr... | 04/01/2008 |
| 7327849 | Energy density control system using a two-dimensional energy density sensor A system and method of reducing noise in an enclosure is disclosed. The method includes receiving at least one reference signal; receiving pressure signals from no more than two substantially orthogonally placed pairs of acoustic sensors, where one pair of acoustic ... | 02/05/2008 |
| 7315619 | System and method for enhanced subjective stereo audio The present invention relates to an audio communication system and method with improved acoustic characteristics. The present invention utilizes the Haas effect to simulate a sound picture that gives a better subjective impression of stereo sound compared to the obj... | 01/01/2008 |
| 7293627 | Active exhaust muffler An active exhaust muffler for an exhaust system of an internal combustion engine, having a housing through which a pipe system passes, the pipe system designed to be permeable for airborne sound in a first space, having an antisound generator which is arranged in a ... | 11/13/2007 |
| 7289633 | System and method for integral transference of acoustical events A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio... | 10/30/2007 |
| 7272234 | Multi-channel active control system and method for the reduction of tonal noise from an axial fan A multi-channel active noise control system and method of reducing tonal noise emanating from a tonal noise source are disclosed. The system may include an adaptive controller, a plurality of loudspeakers driven by the loudspeaker, one or more microphones for genera... | 09/18/2007 |
| 7248704 | Active sound attenuation device to be arranged inside a duct, particularly for the sound insulation of a ventilating and/or air conditioning system The device for the active sound attenuation of a sound signal propagated in a duct comprises: at least first sensor means for a first sound signal, attenuation actuating means supplying an active sound attenuation signal in response to a selected control signal, an ... | 07/24/2007 |
| 7245726 | Noise canceling microphone system and method for designing the same A microphone housing improves the broadband noise canceling performance of an active noise canceling microphone system while also ensuring improved speech transmission through the system. First and second microphone elements are selected each having a diameter “dâ... | 07/17/2007 |
| 7213788 | Microjet-based control system for cavity flows A dynamic cavity air flow system reduces the highly unsteady flow over exposed aircraft cavities by incorporating a series of microjets proximate the leading edge of a cavity. The microjets, which may articulate, issue a supersonic jet flow toward the rear or traili... | 05/08/2007 |
| 7209796 | Auscultatory training system According to a disclosed embodiment, an auscultatory training apparatus includes a database of pre-recorded physiological sounds stored on a computer for playing on a playback system. A user-friendly, graphical user interface software program is stored on the comput... | 04/24/2007 |
| 7171006 | Vocal sound input apparatus for automotive vehicle In a vocal sound input apparatus for an automotive vehicle, both a receiving microphone and a noise collecting microphone are provided, both of the receiving microphone and the noise collecting microphone being arranged onto a predetermined portion of a vehicle body... | 01/30/2007 |
| 7162041 | Noise canceling microphone with acoustically tuned ports Certain embodiments of a noise canceling microphone with acoustically tuned ports are disclosed herein. In one aspect of the invention, the noise canceling microphone may comprise a housing, a transducer for converting received energy received into electrical signal... | 01/09/2007 |
| 7138576 | Sound system and method for creating a sound event based on a modeled sound field A sound system and method for modeling a sound field generated by a sound source and creating a sound event based on the modeled sound field is disclosed. The system and method captures a sound field over an enclosing surface, models the sound field and enables repr... | 11/21/2006 |
| 7139401 | Hard disk drive with self-contained active acoustic noise reduction An active noise reduction system for reducing the acoustic noise generated by a hard disk drive or generated external of a hard disk drive. The active noise reduction system is integrated into the hard disk drive and produces an acoustic waveform that is 180 degrees... | 11/21/2006 |
| 7110551 | Adaptive personal active noise reduction system An improved active noise reduction system which has a transducer, an electro-acoustic sensing means including adjacent to the transducer, an attenuation means with electro-acoustic sensing means to attenuate selected sound frequencies, said system utilizing both fee... | 09/19/2006 |
| 7106876 | Microphone for simultaneous noise sensing and speech pickup The invention provides a microphone for the simultaneous pickup of both ambient background noise and speech in vehicles such as automobiles, aircraft, and marine vessels. The apparatus provides a plurality of cartridges that simultaneously exhibit frequency and pola... | 09/12/2006 |
| 7085387 | Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio... | 08/01/2006 |
| 7068794 | Smart panel for decreasing noise in wide band frequency The present invention relates to a soundproof panel, and in particular to a smart panel for decreasing a noise in a wide band. The smart panel according to the present invention includes a board structure for decreasing a noise of an audible frequency band, a sound ... | 06/27/2006 |
| 7043029 | Device for use in an audio signal processing system A device for use in an audio signal processing system, the device having at least one operating member for processing an audio signal; and a vibration transmission circuit connected to the operating member to distribute undesired vibration in controlled manner. ... | 05/09/2006 |
| 7021419 | Speaker system A small-sized speaker system having a very excellent bass-range reproduction capability includes a sound radiation component for guiding acoustic waves radiated from the speaker units to a free space by causing a larger degree of air compression and expansion than i... | 04/04/2006 |
| 6996242 | Integrated and active noise control inlet A modular air induction assembly comprises an air induction body, an air filter operatively attached to the air induction body, and a speaker operatively attached to the air induction body. The modular air induction assembly is then installed into the air induction ... | 02/07/2006 |
| 6963648 | Echo/noise canceling device for use with personal computers An adapter for reducing echo and noise in internet telephony for use with personal computers. The device employs analog circuitry to provide signal filters and delay which act together to reduce line induced echo and background noise, thus providing a clear voice co... | 11/08/2005 |
| 6940983 | Resonator for active noise attenuation system An active noise attenuation system for an air induction assembly is operably connected to an engine that generates a low frequency noise having a noise profile defining a peak noise. The system has an air inlet duct housing with an inlet and an outlet connected to t... | 09/06/2005 |
| 6937280 | Electronic device having pivotal display and stereo speakers It is an object of this invention to properly output sounds in stereo at the time of reproducing of images in a video camera having a pivotal image display unit. The invention includes an image display unit which can pivot on an electronic device body and displays i... | 08/30/2005 |
| 6898290 | Adaptive personal active noise reduction system An improved personal noise attenuation system which attenuates both tonal and broadband sound and which includes a spatially adjustable acousto-electric sensor and attenuation means including both feedback and feed forward components so as to provide a heteronomous ... | 05/24/2005 |
| 6847722 | Method and equipment for attenuating sound in a duct The invention relates to a method and an equipment for attenuating sound in a duct. Sound propagating in a duct is detected by means of a detector (2) and attenuated by using two successive monopole elements (3, 4) in such a way that both elements func... | 01/25/2005 |
| 6847411 | Modular television for providing a distinguishable sound according to a selection of a module and/or a module function A modular television for allowing a user to perceive an operation according to a selection of a module and/or a module function, is disclosed. The modular television includes a module rack having at least one module connection slot for mounting at least one module t... | 01/25/2005 |
| 6839439 | Method and apparatus for active noise control in an air induction system An air induction system for an internal combustion engine utilizes localized heat generation to produce a desired acoustic profile that attenuates noise propagated through the air induction system. The noise propagated through the air induction system varies over ti... | 01/04/2005 |
| 6792324 | Device for determining and characterizing noises generated by mastication of food A device for determining and characterizing noises generated by masticating food has an enclosure and a mastication device arranged in the enclosure. One or more first reception microphones for airborne sound are arranged in the enclosure. The enclosure is advantage... | 09/14/2004 |
| 6702061 | Environmentally protected microphone for an active noise control system An air introduction system (10) includes an active noise control system (22) having an environmentally protected microphone (24). A microphone support structure (26) defines a louvered cage (38) over a microphone reception cavity (40). The microphone (24)... | 03/09/2004 |
| 6560342 | Smart foam for active noise control in a duct and device equipped with the same The present invention relates to a smart foam for active noise control in a duct and a device equipped with the same. In particular, the smart foam for the active noise control in a duct according to the present invention comprises: an external ring (52) ... | 05/06/2003 |
| 6483926 | Floor impact noise suppressor in a multi-storied building A noise suppressor for reducing propagation of a floor impact noise generated in an upper story to a lower story in a multi-storied building is disclosed. A reference sensor set at a position between a floor of the upper story and a ceiling of the lower s... | 11/19/2002 |
| 6438240 | Circuit to improve transducer separation in handsfree telephone In a device having a sound source within an enclosure and a first microphone for picking up sounds outside the enclosure, a system for improving acoustic separation between the sound source and first microphone comprising an additional microphone located ... | 08/20/2002 |
| 6434246 | Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid The present invention combines audio compression and feedback cancellation in an audio system such as a hearing aid. The feedback cancellation element of the present invention uses one or more filters to model the feedback path of the system and thereby s... | 08/13/2002 |
