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| Number | Title | Issue Date |
| 8218082 | Content adaptive noise reduction filtering for image signals A method includes selecting a target pixel and comparing a value of the target pixel with a respective value of each of a plurality of pixels located in an area that includes the target pixel. Further, for each pixel of the plurality of pixels that has a value diffe... | 07/10/2012 |
| 7433533 | Video performance evaluation Techniques can be employed to automate evaluation of video performance. Video frames of a video presentation can be intercepted and information for the intercepted video frames can be recorded. Statistics such as frames per second or mean time before freeze can be c... | 10/07/2008 |
| 7366252 | Wideband enhanced digital injection predistortion system and method A system for linearizing RF amplifiers employing baseband predistortion techniques provides additive or multiplicative predistortion of the quadrature (I/Q) input signal. The predistorter uses a discrete-time polynomial kernel to model the inverse transfer character... | 04/29/2008 |
| 7365800 | Method for pre-processing image data A method for pre-processing image data, including steps of: receiving primary image data corresponding to an image or a sequence of images to be displayed; pre-processing the primary image data by applying a pre-distortion operation to the primary image data so as t... | 04/29/2008 |
| 7362361 | Noise suppressing circuit using luminance detection A technique of achieving optimal noise suppression with respect to a video signal whose noise amount differs according to brightness is disclosed, and according to the technique, a low-luminance detecting section 18 detects a video signal of a relatively low ... | 04/22/2008 |
| 7356311 | Wireless audio signal and control signal device and method thereof A signal transmission arrangement includes a signal transmitter and a signal receiver wirelessly communicating with the signal transmitter. The signal transmitter includes a hybrid signal device to hybridize the audio signal with the control signal to form a consoli... | 04/08/2008 |
| 7352916 | Method of coding artifacts reduction A method to reduce coding artifacts within a discrete decoded picture includes a spatial and/or temporal filtering with respective filter characteristics dependent on an image quality value (Q). Preferably, the spatial filtering includes a deblocking filtering, wher... | 04/01/2008 |
| 7340007 | Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal The invention is directed to a system for determining a transfer function for emphasizing an electromagnetic signal prior to being processed by determining a discrete transfer function for a processing system, such as a wideband phase modulator; determining a target... | 03/04/2008 |
| 7336298 | Video signal level monitoring apparatus A video signal level monitoring apparatus which monitors the level of a video signal, said apparatus comprises means for inputting a first color difference component (Cb) and a second color difference component (Cr) of a component video signal, means for inputting a... | 02/26/2008 |
| 7336725 | Digital predistortion system and method for high efficiency transmitters A system for digitally linearizing the nonlinear behaviour of RF high efficiency amplifiers employing baseband predistortion techniques is disclosed. The system provides additive or multiplicative predistortion of the digital quadrature (I/Q) input signal in order t... | 02/26/2008 |
| 7333558 | Digitally pre-equalizing signals In one embodiment, the present invention includes an transmitter apparatus having a digital filter to compensate in a baseband frequency for magnitude and delay slopes occurring in the transmitter's analog path. ... | 02/19/2008 |
| 7333153 | Expanded information capacity for existing communication transmission systems A system for transmitting digital programming includes a program source providing digital information, circuitry for modulating the digital information onto a visual carrier modulated with analog television programming, and a visual transmitter coupled to the modula... | 02/19/2008 |
| 7327403 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 02/05/2008 |
| 7319495 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 01/15/2008 |
| 7317842 | Global and local statistics controlled noise reduction system A global and local statistics controlled noise reduction system in which the video image noise reduction processing is effectively adaptive to both image local structure and global noise level. A noise estimation method provides reliable global noise statistics to t... | 01/08/2008 |
| 7317492 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 01/08/2008 |
| 7317491 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 01/08/2008 |
| 7315579 | Trellis coded modulation tails An encoder includes a state machine configured to generate a payloads as a function of a state machine output, and an interface configured to generate a tail as a function of a binary representation of the state machine output at the end of the payload generation. I... | 01/01/2008 |
| 7313208 | Pre-equalization for low-cost DTV translators A low cost DTV translator, which translates an incoming signal on channel A to an outgoing signal on channel B, includes a transmitter pre-equalizer whose taps are configured with tap values that pre-distort a signal so as to negate distortion caused by a high power... | 12/25/2007 |
| 7298422 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 11/20/2007 |
| 7298421 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 11/20/2007 |
| 7295616 | Method and system for video filtering with joint motion and noise estimation A method for video filtering of an input video sequence by utilizing joint motion and noise estimation includes the steps of: (a) generating a motion-compensated video sequence from the input video sequence and a plurality of estimated motion fields; (b) spatiotempo... | 11/13/2007 |
| 7289162 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 10/30/2007 |
| 7279972 | Predistortion control apparatus A digital predistorter comprises a module J for producing a counteracting signal Vm1 for combination with the input signal of a power amplifier to correct the output of the amplifier for distorting memory effects within the amplifier. The module J produce... | 10/09/2007 |
| 7266159 | Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks Pre-distortion, whose magnitude—and preferably phase—are frequency-dependent, is applied to a non-baseband input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the pre-distortion tech... | 09/04/2007 |
| 7259797 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 08/21/2007 |
| 7256839 | VSB reception system with enhanced signal detection for processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 08/14/2007 |
| 7251293 | Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics An input signal is pre-distorted to reduce spurious emissions resulting from subsequent signal amplification. Frequency-dependent pre-distortion is preferably implemented in combination with frequency-independent pre-distortion, where the frequency-dependent pre-dis... | 07/31/2007 |
| 7248642 | Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks A frequency-dependent phase pre-distortion technique is applied to an input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the frequency-dependent phase pre-distortion of the present inve... | 07/24/2007 |
| 7211958 | Modulation of a background light or any illumination of a mobile phone A communication device such as a cellular or wireless telephone handset has a light display, such as handset cover light or display backlight, synchronized to audio signals from multiple audio sources such as a microphone or AM/FM receiver. The communication device ... | 05/01/2007 |
| 7209524 | Layered modulation for digital signals Signals, systems and methods for transmitting and receiving layered modulation for digital signals are presented. A layered signal for transmitting data, comprises a first signal layer including a first carrier and first signal symbols for a first digital signal tra... | 04/24/2007 |
| 7197085 | Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks Pre-distortion, whose magnitude—and preferably phase—are frequency-dependent, is applied to an input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the pre-distortion technique of the... | 03/27/2007 |
| 7167212 | VSB reception system with enhanced signal detection or processing supplemental data A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy ... | 01/23/2007 |
| 7145530 | Electronic circuit, electro-optical device, method for driving electro-optical device and electronic apparatus The present invention provides an electronic circuit that can achieve adequate display quality by a small amount of electrical power, an electro-optical device, a method for driving the electro-optical device, and an electronic apparatus. A drive current correspondi... | 12/05/2006 |
| 7139327 | Digital pre-distortion of input signals for reducing spurious emissions in communication networks Pre-distortion, whose magnitude—and preferably phase—are frequency-dependent, is applied to an input signal in order to reduce spurious emissions resulting from subsequent amplification of the signal. In preferred embodiments, the pre-distortion technique of the... | 11/21/2006 |
| 7139035 | Video noise floor estimator with impulse noise detection A method of detecting both linear and non linear noise in video data. Linear noise is detected on a line-by-line basis, by blocks within each line. Non linear noise is detected during horizontal blanking periods. The method provides a noise floor value for linear no... | 11/21/2006 |
| 7139319 | Wireless RF link for uncompressed transmission of HDTV signals A method for transmitting and receiving an uncompressed HDTV signal over a wireless RF link includes steps of: providing a clock signal synchronized to the uncompressed HDTV signal; and providing a stream of regenerated data from the uncompressed HDTV signal, with t... | 11/21/2006 |
| 7130357 | Apparatus and method for compensating error for analog quadrature modulator (AQM) An apparatus and a method for compensating an error of an AQM measuring and compensating the error using returned I/Q digital signals calculate the error compensating signal is disclosed. The process includes detecting a DC offset signal by averaging sampling values... | 10/31/2006 |
| 7123889 | Radio transmitter testing method, radio transmitter and base station A radio transmitter, comprising: a feedback loop (314) which feedback loop comprises a variable attenuator and a signal analyser, means (300, 302, 304, 306, 308, 310, 312) for transmitting a signal on a predetermined radio channel, means (308) f... | 10/17/2006 |
| 7110048 | Digital signal transmitter synchronization system Methods, and apparatus for carrying out the methods, are disclosed for synchronizing a plurality of RF transmitters that are supplied with a common digital information signal for carrier modulation and subsequent transmission on a common channel throughout a prescri... | 09/19/2006 |
