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Patent No. 6060700

Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle

A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.

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Class 381/71.9 - Nonacoustically derived reference signal


Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter in which a transducer used to obtain a signal
No. of patents: 80
Last issue date: 09/07/2010


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NumberTitleIssue Date
7792312Active noise control system
An active noise control system prevents a continuous muffled sound from being generated as an abnormal sound under a high sound pressure from a speaker when a microphone as a sound detector is covered, and reduces noise immediately when the microphone is uncovered. ...
09/07/2010
7773760Active vibrational noise control apparatus
While a vehicle incorporating an active vibration noise control apparatus is decelerating, hysteresis is given if an operating point moves from an operating point on a sampling period characteristic curve to an operating point on another sampling period characterist...
08/10/2010
7436968Adaptive noise reduction method and device
An adaptive noise reduction method and apparatus capable of reducing efficiently variable period noise from a main input is provided. The pitch of a noise waveform to be reduced can be variable with a change in a period of motor noise occurring when the revolution p...
10/14/2008
7430255Impulse noise suppression device
Digital audio data with error detection bits added thereto is inputted to an error detecting and correcting device (4). The correcting device (4) corrects an error when the error is detected in the digital audio data. The digital audio data outputted f...
09/30/2008
7353908Method and system for attenuating noise from a cabinet housing computer equipment
An apparatus for attenuating noise emanating from a cabinet housing noise-generating equipment includes a frame including at least one support member configured to be mountable on the cabinet, proximate the noise-generating equipment, at least one noise attenuation ...
04/08/2008
7305094System and method for actively damping boom noise in a vibro-acoustic enclosure
A system and method for actively damping boom noise within an enclosure such as an automobile cabin. The system comprises an acoustic wave sensor, a motion sensor, an acoustic wave actuator, a first electronic feedback loop, and a second electronic feedback loop. Th...
12/04/2007
7302062Audio enhancement system
An audio enhancement system for compensating for ambient noise in a listening environment, comprises an audio system that produces an electrical sound signal and generates a sound output from the electrical sound signal. A sensor (e.g., a microphone) senses a total ...
11/27/2007
7279857System, method, and computer-readable medium for reduction of commutation-related acoustic noise in a fan system
A method for reducing commutation-related acoustic noise in a fan system is provided. A constant frequency periodic signal is generated and a fan commutation event is synchronized with a zero level value of the constant frequency periodic signal. A system for contro...
10/09/2007
7231052Vibration-isolating and sound isolating system for vehicle
An engine is supported on a vehicle body frame through an active vibration-isolating device. The vibration of the engine is prevented from being transmitted to the vehicle body frame by controlling the active vibration-isolating device. A speaker is disposed within ...
06/12/2007
7203321Device for electroacoustic sound generation in a motor vehicle
A device for electroacoustic sound generation in a motor vehicle with a sound pressure sensor, a signal processing unit, which is connected with the sound pressure sensor and receives and processes signals therefrom, and a loudspeaker unit with at least one loudspea...
04/10/2007
7120204Waveform generator operable in accordance with a plurality of band limitation characteristics
A waveform generator comprises waveform generating means for generating a waveform signal band-limited using a first band limitation characteristic in accordance with the input signal series, memory means for storing in advance a difference signal between a waveform...
10/10/2006
7106866Active noise cancellation stability solution
The method of noise attenuation comprises the steps of generating a noise canceling signal, sensing for an system condition, and ceasing the generation of the noise canceling based upon the system condition. This method is embodied in a system that includes an air i...
09/12/2006
7103188Variable gain active noise cancelling system with improved residual noise sensing
An active noise cancellation system includes a series of features for more effective cancellation, greater reliability, and improved stability. A particular feature adapted for headset systems includes locating a residual microphone radially offset from the center o...
09/05/2006
7064503Active noise compensation
A method is for controlling a multi-phase electrical ship propulsion motor that is supplied with electric energy via a power converter. The ship propulsion motor is preferably a permanently excited motor with at least three windings. The phase currents flowing in th...
06/20/2006
7050516System and method for periodic noise avoidance in data transmission systems
A system for periodic noise avoidance including a timing discriminator receiving an input signal from a communications channel. The input signal includes data packets and empty slots with periodic noise. The timing discriminator outputs a first error measurement of ...
05/23/2006
6963647Controlled acoustic waveguide for soundproofing
The invention relates to a controlled acoustic wave guide configured as an elongated hollow chamber (1) which via an opening (2) in its first face end (3) is connected to a sound-conducting channel (4). The longitudinal resonances of the ...
11/08/2005
6944303Noise cancellation device, engine-noise cancellation device, and noise cancellation method
A phase-locked loop (PLL) circuit generates a sine wave signal synchronized with an input signal. The sine wave signal is directly supplied to a first multiplier. The sine wave signal is also supplied to a second multiplier after shifting the phase by 90 degrees by ...
09/13/2005
6845162Device for active sound control in a space
The invention refers to a device for sound control in a space (2) with a sound field from at least one sound source (3). The device includes a pulse sensor (5), which provides a pulse signal from the sound source (3). Moreover, the device...
01/18/2005
6704428Automatic turn-on and turn-off control for battery-powered headsets
Some workers wear headsets to protect their hearing from loud persistent noises, such as airplane engines and construction equipment. These headsets are generally passive or active, with the active ones including ear speakers and automatic noise-reduction...
03/09/2004
6688422Method and apparatus for actively influencing the intake noise of an internal combustion engine
A method and apparatus for actively influencing the intake noise of an internal combustion engine. The apparatus comprises a controller (7) which senses the actual noise (I) via a microphone (16) and compares the actual noise with a reference noise signal...
02/10/2004
6480824Method and apparatus for canceling noise in a microphone communications path using an electrical equivalence reference signal
In a technique for canceling noise from a microphone communications path, an electrical equivalence circuit which is positioned close to and electrically matched to the microphone produces a signal free reference signal. The microphone converts speech to ...
11/12/2002
6459970Control data setting method and data storage medium of active mount control apparatus
Control data such as an optimal filter coefficient or the like of an engine mount is obtained by adaptation control or the like with respect to a reference vehicle F provided with a reference engine mount 20k, and the control data is stored in a reference...
10/01/2002
6278958Method for predicting a noise intensity emitted from a fan and or a pump
A method for predicting a noise intensity emitted from a fan is provided. The method in accordance with the present invention provides data about the performance of the fan and a noise intensity corresponding to a shape of the fan and operating conditions...
08/21/2001
6266422Noise canceling method and apparatus for the same
A noise canceler of the present invention is of the type including an adaptive filter for generating a pseudo noise signal, subtracting the pseudo noise signal from a received signal to thereby output an error signal, and sequentially correcting the filte...
07/24/2001
6188770Fan noise canceller
A fan noise canceller comprises a rotation information detecting means 2 (or 12) for detecting noise information of a fan 1 (11), a band-pass filter 3 (13) for extracting the blade passing frequency from the noise information, an output control means 4 (1...
02/13/2001
6002778Active structural control system and method including active vibration absorbers (AVAS)
An Active Structural Control (ASC) system (10) and method which includes a plurality of Active Vibration Absorbers (AVAs) (40) attached to a yoke (32) included within a pylon structure (28) preferably comprising a spar (38) and a yoke (32) which is locate...
12/14/1999
5995632Fan noise canceller
A fan noise canceller includes a rotation information detecting device for detecting noise information of a fan, a band-pass filter for extracting the blade passing frequency from the noise information, an output control device for controlling the amplitu...
11/30/1999
5930372Communication terminal device
A communication terminal device carries out data processing based on key or touch panel operations and provides a telephone conversation function. When a key is actuated, a key input confirmation sound is generated. When data input is performed on the tou...
07/27/1999
5692052Engine noise control apparatus
An engine rotating speed sensor detects intake sound information due to the drive of an engine. A controller generates a signal having a frequency corresponding to a desired ratio of orders based on the detected intake sound information. Further, a phase ...
11/25/1997
5691893Adaptive control system
An adaptive control system for reducing undesired signals comprises a processor (36) which provides secondary signals for sources (37) for interference with the undesired signals. Sensors (42) measure the residual Vibration which is indicative of the inte...
11/25/1997
5690321Vibration damping system for vehicle
A vibration damping system for a vehicle includes a vibration sensor which detects vibration of a predetermined vibrating element on the vehicle, a vibrator which vibrates the vibrating element, and a drive control unit which controls the vibrator on the ...
11/25/1997
5636287Apparatus and method for the active control of air moving device noise
Method and apparatus for the active cancellation of broad band noise and/or single frequency tones emanating from rotating machinery, such as an air moving device, by detecting related mechanical and acoustic signals therein and causing canceling vibratio...
06/03/1997
5613009Method and apparatus for controlling vibration
Disclosed is a vibration control method being largely effective in vibration-proof even when a natural frequency is relatively low and its transmissibility of vibration is high and being thus effective in reducing vibration in a wide range of frequencies;...
03/18/1997
5544080Vibration/noise control system
A sine wave signal generated in synchronism with a pulse signal determining a frequency of vibrations and noises generated by a vibration/noise source is input to a W filter and a C filter. The C filter selects filter coefficients dependent on the rotatio...
08/06/1996
5530766Noise reducing apparatus of a cyclo-fan
A noise reducing apparatus for a cyclo-fan is provided for the canceling of a whistling noise with a specific frequency, determined by the product of the rotation number of the cyclo-fan and the number of blades thereof. The apparatus comprises a cyclo-fa...
06/25/1996
5511127Active noise control
A system for reducing noise of a noise generator such as a fan located in a housing includes a short duct directing air to the fan housing. An input transducer is located in the duct at a position further removed from the fan than a cancellation noise sou...
04/23/1996
5502770Indirectly sensed signal processing in active periodic acoustic noise cancellation
The system employing and the processing of, an indirectly sensed signal representative of a periodic noise acoustic wave into an input signal for a noise cancelling system where the indirectly sensed signal is converted into a pulse signal per period that...
03/26/1996
5493616Vehicle internal noise reduction system
The vehicle internal noise reduction system is characterized in being able to attenuate the internal noise sounds at a broad area of the passenger compartment by generating optimum canceling sounds from speakers disposed in the passenger compartment under...
02/20/1996
5488667Vehicle internal noise reduction system
The vehicle internal noise reduction system characterized in attenuating the internal noises by generating optimum canceling sounds from speakers disposed in the passenger compartment by varying the canceling sounds with a good balance according to vehicl...
01/30/1996
5488666System for suppressing sound from a flame
A system for suppressing sound from a flame comprises a detector for detecting a first signal which emanates from the flame. A photo sensor rapidly detects the noise from the flame. The first signal is inverted to produce a second signal. The second signa...
01/30/1996
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