Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 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 ... | 10/20/2011 |
| 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 o... | 10/20/2011 |
| 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 configure... | 05/26/2011 |
| 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 environment... | 03/03/2011 |
| 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 so... | 02/10/2011 |
| 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 cont... | 04/29/2010 |
| 20100028134 | QUIET FAN INCORPORATING ACTIVE NOISE CONTROL (ANC) An active noise control (ANC) system may be implemented to both sides of a fan, such that both directions of the noise emitting are treated to reduce the overall noise. The impact on airflow is minimal, and the technique is very effective in a broad range of low frequen... | 02/04/2010 |
| 20090282874 | Washing machine and sound control method thereof Disclosed herein are a washing machine and a sound control method thereof that are capable of canceling noise generated during an operation of the washing machine and, at the same time, informing a user of information related to the operation of the washing machine usin... | 11/19/2009 |
| 20090180635 | METHOD AND APPARATUS FOR ATTENUATING FAN NOISE THROUGH TURBULENCE MITIGATION Some embodiments of the present invention provide a system that attenuates noise from a fan exhaust of a computer system. During operation, the system monitors the noise from the fan exhaust and calculates a frequency spectrum of the noise from the monitored noise. Next... | 07/16/2009 |
| 20090180636 | Communication machine room wideband noise suppression system In a communication machine room wideband noise suppression system, a sensing unit detects a noise source produced by a fan during the operation thereof and generates a noise input signal and a feedback signal, which are sent to a signal amplifying unit for signal amplif... | 07/16/2009 |
| 20080187147 | Noise reduction systems and methods A noise reduction system for use with noise generating equipment. The system includes at least one sensor to generate one or more input signals, with each input signal being representative of an operating condition of the equipment. The system also includes a signal pro... | 08/07/2008 |
| 20080118077 | AUDIO APPARATUS AND METHOD FOR USE IN PROXIMITY TO A MAGNETIC RESONANCE IMAGING SYSTEM An apparatus and method for presenting high-quality auditory stimuli, receiving patient communication and providing noise cancellation within the environment of magnetic resonance imaging (“MRI”) equipment. A microphone is positioned in a noise attenuated channel fo... | 05/22/2008 |
| 20080089528 | Sound altering apparatus A sound altering apparatus for altering predetermined sound levels of a sound producing device, the sound altering apparatus includes at least one piezoelectric foil sensor disposed relative to the sound producing device with the at least one piezoelectric foil sensor b... | 04/17/2008 |
| 20080089529 | Noise reduction apparatus A passive noise reduction apparatus for altering predetermined sound levels of a sound producing device, the noise reduction apparatus includes at least one piezoelectric foil sensor disposed relative to the sound producing device with the at least one piezoelectric foi... | 04/17/2008 |
| 20070229717 | Circuit for eliminating abnormal sound A circuit for eliminating abnormal sound includes a video/audio processor, a D/A converter, a front-stage mute circuit, a changing delay device, a front-stage amplifier, a back-stage amplifier, a back-stage mute circuit, and a micro control unit. The circuit is mounted ... | 10/04/2007 |
| 20070223715 | Quiet active fan for servers chassis An Active Muffler in the form of a duct having two open ends for conveying air from a within a cabinet to outside the cabinet. A fan or blower is incorporated in the duct. An Automatic Noise Control (ANC) unit is associated with the duct, and at least one microphone and... | 09/27/2007 |
| 20070110255 | Soundproof climate controlled rack Soundproofing a rack by installing at least one duct on at least one panel of the rack, or as part of the side panels of the rack, or is mounted inside the rack as a drawer in such a way that air can flow outside from the rack causing air to flow from the rack through t... | 05/17/2007 |
| 20050094823 | Active noise controller and projector using the same A low-cost and highly accurate active noise controller provides for low acoustic noise in a projector that makes produces highlight radiance and has a small size. The rotation frequency of a fan used for cooling the apparatus is measured by a rotation speed detector att... | 05/05/2005 |
| 20050069141 | Electronic device An electronic device connected to at least one fan, which produces some noises and at least one signal during its operation. The electronic device includes a signal detection unit and a control processing unit. The signal detection unit detects the signal produced by th... | 03/31/2005 |
| 20050069144 | Computer-based onboard noise suppression devices with remote web-based management features The present invention provides a method, apparatus, and computer implemented instructions for computer-based onboard noise suppression devices with remote web-based management features. The present invention detects noise within a computer. A noise canceling signal is g... | 03/31/2005 |
