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.
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| Number | Title | Issue Date |
| 8175282 | Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation Method of evaluating perception intensity of an audio input signal (IS) comprising the steps of receiving the audio input signal (IS), estimating a time variant distribution function (TVDF) on the basis of said audio input signal (IS) or a derivative thereof, determ... | 05/08/2012 |
| 8028013 | Fast filtering means and filtering and decimation methods The invention relates to a hardware implemented filtering method including establishing a representation DIS of the derivative of at least a part of a time-quantized input signal IS, and establishing at least one sample of a time- and amplitude-quantized output sign... | 09/27/2011 |
| 7852150 | Switching amplifier driven by a controlled power supply The invention relates to a switching amplifier comprising at least one pulse modulator arranged for modulating at least one input utility signal into at least one pulse modulated signal and at least one switching power stage arranged to establish at least one amplif... | 12/14/2010 |
| 7796766 | Audio center channel phantomizer The invention relates to a method of processing an input signal into a phantomized signal, including adding at least one attenuated delayed signal to the input signal, the phantomized signal having at least one delayed attenuated signal and the input signal. A phant... | 09/14/2010 |
| 7728689 | Pulse width modulator system The invention relates to pulse width modulator system (PWMS) comprising a modulator system input (MI),a modulator output (MO), an amplitude distribution filter (ADF) ,and a pulse width modulator (PMOD), wherein said amplitude distribution filter (ADF) establishes an... | 06/01/2010 |
| 7667126 | Method of establishing a harmony control signal controlled in real-time by a guitar input signal The invention relates to a method of establishing a harmony control signal controlled in real-time by a guitar audio input signal (GAS), comprising the steps of providing a first input harmony input control signal (FIH) on the basi... | 02/23/2010 |
| 7583137 | Power supply compensation The invention relates to an amplifier comprising amplification means (AM) comprising an input and an output, said amplification means (AM) comprising a switching output stage delivering at least one output signal (OUS) via said output, said... | 09/01/2009 |
| 7546213 | Audio visualizer The invention relates to a loudness meter including display means and data-processing means where the data-processing means establishes loudness estimates on the basis of an input signal, a first part of the loudness meter indicating a current loudness estimate on t... | 06/09/2009 |
