Patent application number | Description | Published |
20100284498 | Circuit for Detecting a Predetermined Symbol in a Digital Data Stream and Associated Method - A circuit for detecting a predetermined symbol of a digital data stream includes a frequency shifter, a correlator, a filter and a decision unit. The frequency shifter performs inverse-frequency shifting upon a first data to generate a first frequency-shifted data. The correlator calculates correlation upon the first frequency-shifted data and a second data to generate a correlated data. The filter, coupled to the correlator, filters and the correlated data to generate a filtered correlated data according to a time-domain windowing length. The decision unit, coupled to the filter, determines the predetermined symbol from the digital data stream according to the filtered correlated data. | 11-11-2010 |
20100296002 | Circuit for Detecting a Digital Data Stream and Associated Method - A circuit for detecting a digital data stream includes a first detecting circuit, a second detecting circuit and a decision unit. The digital data stream includes a predetermined symbol having a first data and a second data. The first detecting circuit detects a correlation between the second data and a first frequency-shifted data to generate a first correlated data; and the second detecting circuit detects a correlation between the second data and a second frequency-shifted data to generate a first correlated data, where the first frequency-shifted data and the second frequency-shifted data are generated by performing first frequency-shifting and second frequency-shifting upon the first data, respectively. The decision unit determines a signal status of the digital data stream according to the first and second correlated data. | 11-25-2010 |
20100329396 | Interference Detector and Method Thereof - An interference detector receives a data stream including predetermined symbols that include a first data and a second data, between which is a frequency offset. The interference detector includes a correlation apparatus that generates a first correlation result and a second correlation result according to the data stream; a power searching unit, coupled to the correlation apparatus, that generates a first maximum correlation result and a first neighboring power according to the first correlation result, and generates a second maximum correlation result and a second neighboring power according to the second correlation result; and a determining unit, coupled to the power searching unit, that generates a determination result according to the first maximum correlation result, the first neighboring power, the second maximum correlation result and the second neighboring power to indicate existence of interferences. | 12-30-2010 |
20110002422 | Apparatus for Detecting Digital Video Signal Parameters and Method Thereof - A method for detecting digital video signal parameters detects an integer carrier frequency offset (ICFO), a pilot pattern and a carrier mode of a signal received by an Orthogonal Frequency-Division Multiplexing (OFDM) communication system. The method includes receiving a first OFDM symbol comprising a plurality of first frequency-domain sub-carriers and a second OFDM symbol comprising a plurality of second frequency-domain sub-carriers; generating a plurality of sub-carrier correlation results according to the first frequency-domain sub-carrier and the second frequency-domain sub-carrier; and determining a maximum sub-carrier correlation result from the plurality of sub-carrier correlation results; and outputting an ICFO, a pilot pattern and a carrier mode corresponding to the maximum sub-carrier correlation result. | 01-06-2011 |
Patent application number | Description | Published |
20090249320 | Display Control Device Capable of Automatically Updating Firmware and Method Thereof - A display control device with automatic firmware update and an update method thereof are provided to update the firmware of the display control device rapidly and automatically, thereby improving user convenience and reducing user waiting time. The display control device comprises a transmission interface unit, a memory interface unit, a non-volatile memory interface unit, a first direct memory access (DMA) unit, a second DMA unit and a controller. The transmission interface unit is coupled to a code-providing unit for providing an updated code of the firmware. After detecting that the transmission interface unit is coupled to the code-proving unit, the controller automatically and temporarily stores the updated code provided by the code-providing unit into a dynamic random access memory (DRAM), and further writes the updated code into a non-volatile memory from the DRAM, thereby accomplishing automatic update of the firmware of the display control device. | 10-01-2009 |
20100266219 | Filter and Method for Removing Image Errors and Associated Display Circuit - A filter for eliminating image errors, as well as associated method and TV signal display circuit, is provided to determine the filter coefficients according to the regularity of image errors in an image signal or a TV signal, thereby removing the image errors. The filter includes a plurality of multipliers and an adder. The multipliers receive a plurality of pixel values from a plurality of scan lines, multiply the pixel values by a plurality of corresponding weight coefficients and output the result; the adder sums up the outputs of the multipliers to generate an output pixel value. The errors have a regularity and the corresponding weight coefficients are associated with the regularity such that the errors of the pixel values may be canceled when the adder generates the output pixel value. | 10-21-2010 |
20110050450 | Universal Infrared Receiving Apparatus and Associated Method - A universal infrared receiving apparatus is provided. The universal infrared receiving apparatus includes a slicer, a non-volatile memory, a volatile memory and a comparison apparatus. The slicer slices a remote control command waveform into digital waveform data. The non-volatile memory pre-stores target waveform data. The volatile memory stores the digital waveform data and the target waveform data. The comparison apparatus, coupled to the volatile memory, compares the digital waveform data and the target waveform data to generate a comparison result. | 03-03-2011 |
20110050862 | Frame Rate Conversion Apparatus for 3D display and Associated Method - A frame rate conversion apparatus for 3D display is provided. The frame rate conversion apparatus for 3D display is capable of preserving alternate display of left and right frames while also preventing an issue of frame tearing. The frame rate conversion apparatus includes a storage unit, an input controller and an output controller. The input controller inputs an input frame sequence to the storage unit according to an input frame rate. The input frame sequence includes a plurality of frame pairs each having a left frame and a corresponding right frame. The output controller alternately outputs one of the left frames and one of the right frames from the storage unit according to an output frame rate and left/right frame information associated with the frame pairs in the storage unit to form an output frame sequence. | 03-03-2011 |
20110051009 | Apparatus for Auto Phase Detection for Video Signal and Method Thereof - An auto phase detection apparatus for automatically detecting a target sampling phase is provided. The auto phase detection apparatus includes a phase decider for generating a plurality of phase control signals; a sample clock generator, coupled to the phase decider, for generating a plurality of sample clock signals according to the phase control signals; an analog-to-digital converter (ADC), coupled to the sample clock generator, for converting an analog video signal to a digital signal according to the sample clock signals; a phase detector, coupled to the ADC and the phase decider, for generating a plurality of phase detection results according to the digital signal; and a motion detector, coupled to the ADC and the phase decider, for generating a motion detection result by detecting a motion in the digital signal. The phase decider determines the target sampling phase from the phase control signals according to the phase detection results and the motion detection result. | 03-03-2011 |
20110157166 | Image Processing Apparatus Having On-Screen Display Function and Method Thereof - An image processing apparatus having an on-screen display (OSD) function includes a processing circuit and an OSD circuit. The OSD circuit generates OSD data, and the on-screen data comprises left-eye display data and right-eye display data. The processing circuit processes image data, which comprises left-eye image data and right-eye image data, and respectively blends the left-eye and right-eye display data of the OSD data with the left-eye and right-eye image data of the image data to generate combined image data. | 06-30-2011 |
20110316847 | Display Apparatus and Associated Glasses - A display apparatus associated with a pair of glasses displays three-dimensional (3D) content. The pair of glass includes a transmitting circuit for establishing bi-directional communication with the display apparatus; and a proximity sensor, which is for sensing whether the pair of glasses is worn, controlling the pair of glasses, and for controlling whether to perform 3D display on the display apparatus. The display apparatus includes an image capturing apparatus, which is for capturing an image, determining whether the pair of glasses is worn, and for controlling the display apparatus and the pair of glasses according to a determination result. The display apparatus includes an image processing module for extracting two-dimensional (2D) content from the 3D content. | 12-29-2011 |
20110316992 | Image Playback System, Associated Apparatus and Method Thereof - An image playback system displays three-dimensional (3D) content data via a pair of glasses together with a monitor to provide a multiplexing service to a user wearing different types of glasses via a single monitor. For a multiplexing service, the monitor interleaving displays frames of different content data to provide predetermined content data to the user while the glasses shelters other content data. | 12-29-2011 |
20120161928 | Display Apparatus, Remote Controller and Associated Display System - A display apparatus, remote controller and associated display system are provided. A plurality of peripheral apparatuses is controlled by a universal remote controller according to a remote control signal from the remote controller. The display apparatus displays a remote control menu respectively corresponding to the different peripheral apparatuses, so as to offer the universal remote control with a rich, intuitive and user-friendly user interface. | 06-28-2012 |
20120268572 | 3D Video Camera and Associated Control Method - A 3D video camera is provided. The 3D video camera includes a first camera lens for providing a first sensing signal, a second camera lens for providing a second sensing signal, and an image processing unit for receiving the first sensing signal and the second sensing signal to generate a first eye image and a first comparison image to accordingly generate 3D depth information. | 10-25-2012 |
20130272625 | IMAGE EDITING METHOD AND ASSOCIATED METHOD FOR ESTABLISHING BLUR PARAMETER - An image editing method for editing an original image is provided. The original image includes at least a first object and a second object. The method includes steps of: obtaining a first distance between the first object and a lens; obtaining a second distance between the second object and the lens; obtaining a blur matrix set according to the first distance and an optical parameter; obtaining a first blur matrix from the blur matrix set according to the second distance; and performing a blur process on the second object according to the first blur matrix to generate a blurred second object, and generating a simulated image from the first object and the blurred second object. | 10-17-2013 |