Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 20070206811 | Multichannel Spectral Mapping Audio Apparatus and Method A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be played back in stereo and multichannel formats from a conventional stereo ... | 09/06/2007 |
| 20070206810 | Multichannel Spectral Mapping Audio Apparatus and Method A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be played back in stereo and multichannel formats from a conventional stereo ... | 09/06/2007 |
| 20060280310 | Noise reduction in a stereo receiver A method of denoise a stereo signal comprising a stereo sum signal and a stereo difference signal, performs a frequency selective stereo to mono blending based on the masking effect of the human auditory system. Therefore, a stereo signal noise reducer, comprising a fir... | 12/14/2006 |
| 20060215840 | Noise removal device It is an object of the present invention to provide an improved noise removal device having an improved noise removal precision. A second noise extracting unit extracts a noise of an IF signal, and outputs a second noise signal which is then smoothed by a second noise s... | 09/28/2006 |
| 20060153390 | Acoustic signal transmission method and acoustic signal transmission apparatus The acoustic signal transmission method is based on generating a synthesized sound electrical signal by electrically synthesizing an audible sound signal and another signal different than the audible sound signal at the sending side, and transmitting the synthesized sou... | 07/13/2006 |
| 20060013404 | Stereo demodulator circuit A stereo demodulator circuit comprising at least one noise control unit for performing a noise control responding to an RSSI (reception electric-field intensity) when the RSSI is within a specified range, further comprises an AD converter unit for AD-converting a signal... | 01/19/2006 |
| 20050254659 | Stereo signal processing apparatus Disclosed is a stereo signal processing apparatus, in particular for a digital BTSC television decoder, comprising a sub-channel signal processing section which comprises an input for inputting an input sub-channel signal, a DBX expanding means and an output for outputt... | 11/17/2005 |
| 20050058296 | Radio receiver A radio receiver includes a noise canceller (2) for removing a pulse noise from a composite signal from an FM detection circuit (1), a stereo demodulation circuit (3) for demodulating the output signal of the noise canceller (2) to reproduce ... | 03/17/2005 |
