Class / Patent application number | Description | Number of patent applications / Date published |
381710300 | From appliance | 13 |
20100104110 | NOISE REDUCTION DEVICE AND NOISE REDUCTION SYSTEM - It includes a microphone for detecting noise emitted from a noise source, a noise controller for generating control sound signal to reduce noise detected by the microphone based on information from the microphone, and a speaker for outputting control sound based on control sound signal from the noise controller, wherein a plurality of microphones and speakers are arranged for each seat, and a plurality of microphones are arranged in higher density for each seat in a specific direction. | 04-29-2010 |
20110033058 | Display Apparatus - A display apparatus has a display unit; a housing which accommodates the display unit; a compressor for cooling the air inside the housing; a detecting unit which detects a sound generated from the compressor and an output unit which outputs a sound for canceling the sound detected by the compressor. | 02-10-2011 |
20110051946 | Air conditioner with integrated sound system - The subject system combines a sound generating controller device with a domestic air conditioning unit. The sound controller synchronises the speed and direction of the airblower and directional airflow vanes, thus being able to simulate a variety of natural environments. The integration of a sound generation device, and the further synchronisation of these sounds with the operation of the airflow speed and directional controls on the air conditioner, are distinguishing features of this system proposal. An active noise canceller is optional, to further eliminate unwanted external noises. | 03-03-2011 |
20110123036 | MUFFLED RACK AND METHODS THEREOF - Some demonstrative embodiments include a muffled rack configured to maintain at least one electronic device, wherein the electronic device has an inlet to receive air for cooling the electronic device and an outlet to discharge the air. The muffled rack may be configured to muffle noise emanating from within the rack through an air inlet and/or an air outlet of the rack. Other embodiments are described and claimed. | 05-26-2011 |
20110255704 | METHODS AND SYSTEMS FOR ACTIVE SOUND ATTENUATION IN AN AIR HANDLING UNIT - A system and method for controlling noise produced by an air handling system is provided. The system includes a source microphone to collect sound measurements from the air handling system and a processor to define a cancellation signal that at least partially cancels out the sound measurements. The system also includes a speaker to generate the cancellation signal. The sound measurements are at least partially canceled out within a region of cancellation. Accordingly, the system further includes a response microphone to collect response sound measurements at the region of cancellation. The processor tunes the cancellation signal based on the response sound measurements. | 10-20-2011 |
20110255705 | INFORMATION SYSTEM AND OPERATIONAL NOISE CANCELING METHOD - Provided is an information system including an information processing device having an audio output function, and a peripheral device connected to the information processing device. The information processing device includes: a device specifying section for designating the peripheral device; a data obtaining section for obtaining, based on designation results from the device specifying section, operational noise cancellation data being audio data for cancelling operational noise emitted from the peripheral device; and an operational noise canceling section for outputting, by means of the audio output function, the operational noise cancellation data obtained by the data obtaining section. | 10-20-2011 |
20130022212 | METHODS AND SYSTEMS FOR ACTIVE SOUND ATTENUATION IN A FAN UNIT - A system and method for controlling noise produced by an air handling system, for example, is provided. The system includes a source microphone to collect sound measurements from the air handling system and a processor to define a cancellation signal that at least partially cancels out the sound measurements. The system also includes a speaker to generate the cancellation signal. The sound measurements are at least partially canceled out within a region of cancellation. Accordingly, the system further includes a response microphone to collect response sound measurements at the region of cancellation. The processor tunes the cancellation signal based on the response sound measurements. | 01-24-2013 |
20130129104 | SYSTEM AND METHOD FOR ACOUSTIC NOISE MITIGATION IN A COMPUTED TOMOGRAPHY SCANNER - A CT system is provided that includes an outer housing, a rotatable gantry positioned within the outer housing and having a gantry opening to receive an object to be scanned, an x-ray source mounted on the rotatable gantry and configured to project an x-ray beam toward the object, and a detector array mounted on the rotatable gantry and configured to detect x-ray energy passing through the object and generate a detector output responsive thereto that can be reconstructed into an image of the object. A hybrid noise mitigation system is included in the CT system that is configured to mitigate noise generated by the CT system during operation, the hybrid noise mitigation system comprising a passive noise mitigation device configured to control noise in a passive manner and an active noise mitigation device configured to control noise in an active manner. | 05-23-2013 |
20130163773 | CLOSED-LOOP ACTIVE NOISE REDUCTION SYSTEM, SUCH AS FOR A THERMAL PRINTER - A system and method for reduce noise emitted by a printer are disclosed herein. In one embodiment, a sound detector disposed proximate to a noise source detects a measured noise signal, which is analyzed to determine one or more resonant frequencies thereof. A feedback signal is determined based on the analyzed noise signal and is used to generate a compensated signal 180 degrees out of phase with the feedback signal. The compensated signal is output proximate to the noise source. | 06-27-2013 |
20130272534 | MANAGING ACOUSTIC NOISE PRODUCED BY A DEVICE - One embodiment of the present invention provides a system that manages the acoustic noise produced by a device. During operation, the system receives a set of acoustic characteristics for the device. The system then uses these acoustic characteristics to estimate the acoustic noise being generated by the device. Next, the system uses the estimated acoustic noise to adjust a setting in the device to manage the acoustic noise produced by the device. | 10-17-2013 |
20140140525 | SOUND OUTPUT DEVICE - A sound output device to be mounted in equipment, the device comprises: a memory unit configured to store correction information for at least one from among date, day and time; a sound reproducing unit configured to reproduce a sound signal representing an additional sound for an operation sound of the equipment, to read, from the memory unit, correction information corresponding to at least one of the current date, day, and time from the memory unit, and to then output a reproduced sound signal after correcting its sound pressure level in accordance with the correction information being read; and a sound output unit configured to emit the additional sound based on the sound signal outputted by the sound reproducing unit. | 05-22-2014 |
20150104029 | SYSTEM FOR CONTROLLING FAN NOISE - A system for controlling fan noise includes a fin, a fan, a sensor, a signal processing unit, and a speaker. The fin has a front side and a rear side opposite to the front side. The fan is disposed adjacent to the front side and has an airflow outlet, and the airflow outlet faces the front side. The sensor is disposed adjacent to the rear side and is used for receiving a sound signal made by the fan. After the signal processing unit receives the sound signal sent by the sensor, the signal processing unit provides an inversed phase signal by analysis and computation. The speaker is disposed adjacent to the rear side, for receiving and outputting the inversed phase signal provided by the signal processing unit, so as to offset the noise made by the fan. | 04-16-2015 |
20150296295 | FAN ACTIVE NOISE SELF-LOWERING SYSTEM - A fan active noise self-lowering system includes a fan, a push assembly, at least one pickup unit and a digital signal processing unit. The pickup unit serves to capture the noise made by the fan to generate a noise input signal and transmit the noise input signal to the digital signal processing unit. The digital signal processing unit receives the noise input signal and processes the noise input signal to output a control signal for controlling the push winding assembly to operate so as to push the fan impeller of the fan to move up and down. Accordingly, the fan impeller will generate a reverse sonic wave to offset the noise. | 10-15-2015 |