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| Number | Title | Issue Date |
| 8325278 | Video display based on video signal and audio output based on audio signal, video/audio device network including video/audio signal input/output device and video/audio reproduction device, and signal reproducing method When a format of a video signal or an audio signal received by a receiver of a video/audio signal input/output device is switched by a channel selecting operation by a user, a format determiner determines an output format. An output format communicator transmits for... | 12/04/2012 |
| 8319895 | Signal detection method A signal detection method is provided. The signal detection method for an electronic device having a plurality of terminals to receive signals from a plurality of sources corresponding to the terminals, includes the following steps: providing a sequence index for ea... | 11/27/2012 |
| 8314886 | System and method for providing electrostatic discharge (ESD) protection and electromagnetic interference (EMI) protection An exemplary embodiment of the present invention relates to an electrostatic discharge/electromagnetic interference (ESD/EMI) protection circuit for an integrated circuit. The ESD/EMI protection circuit comprises an input that is adapted to receive a communication s... | 11/20/2012 |
| 8218081 | Video standard detector and operation method thereof A video standard detector and operation method thereof are provided. The video standard detector includes a low pass filter (LPF) unit and a standard detector unit. The LPF filters a baseband signal. The feature detector detects vertical synchronization information ... | 07/10/2012 |
| 8212926 | TV signal determining system, TV signal processing system utilizing which and method thereof A TV signal determining system utilized for determining a type of a TV signal includes: a detection unit, for utilizing a predetermined profile to detect if the TV signal has a signal segment corresponding to the predetermined profile to generate a detection result ... | 07/03/2012 |
| 8208071 | Method for determining the aspect ratio and an image apparatus using the same A method for determining the aspect ratio of an image signal and an image apparatus using the same is provided. The image apparatus includes a sync signal separation unit which separates a sync signal from an image signal, an aspect ratio determination unit which de... | 06/26/2012 |
| 8154661 | Video device, output switching method for video device, and cable discriminating method A video device comprises: a video signal processor generating a standard definition video signal at least having a composite signal and a high definition component video signal; an outputting unit outputting the standard definition video signal or the high definitio... | 04/10/2012 |
| 8149332 | Method and system for using a subset of receive operations for detecting digital and analog television signals Aspects of a method and system for processing signals in a television system using a subset of receive operations for detecting digital and analog television signals are provided. The system and method may be deployed in, for example, cable TV set-top boxes, cable T... | 04/03/2012 |
| 8098329 | Image determination apparatus, image determination method, and program, and image processing apparatus, image processing method, and program An image determination apparatus includes a frequency band signal detecting unit, an average value calculating unit, a relative value calculating unit, and an image determination unit. The frequency band signal detecting unit detects signals belonging to a plurality... | 01/17/2012 |
| 8098328 | Image signal processing apparatus, image display and image display method An image signal processing apparatus capable of detecting a black band region included in an input image signal in a shorter time is provided. The image signal processing apparatus may include a measuring means for measuring in a unit frame period whether each pixel... | 01/17/2012 |
| 8009232 | Display control device, and associated method of identifying content A display control device is provided for specifying a notable scene in content based on characteristic data included in one of video data and audio data of the content to be reproduced. A predetermined scene in the content is detected, based on an evaluation value, ... | 08/30/2011 |
| 7982805 | Detecting video format information in a sequence of video pictures Gradient analysis may be utilized to determine frame and field repeat patterns in input video data. Those frame and field repeat patterns may then be analyzed to match them with characteristic patterns associated with telecine 3:2 and 2:2 pulldown video data, for ex... | 07/19/2011 |
| 7969509 | Aspect ratio enhancement An adaptive compensation system for aspect ratio conversion. Video information, intended for her first aspect ratio display, e.g. the standard NTSC aspect ratio, is processed to determine additional information that can enable that video to be displayed and fill a w... | 06/28/2011 |
| 7961256 | System and method for bad weave detection for inverse telecine A system and method for bad weave detection for inverse telecine. To detect a bad weave artifact, the number of reversals of the difference polarity between successive lines within a column of samples is counted. The count of the number of reversals of the differenc... | 06/14/2011 |
| 7916214 | Picture display system for adjusting image quality of a picture signal having higher number of scanning lines A picture display technique carries out an adjustment of image quality of an inputted picture signal in response to a type of the inputted picture signal, e.g., a type of a first picture signal into which a second picture signal, having fewer scanning lines than tha... | 03/29/2011 |
| 7916215 | Detection system and method for detecting received video signal type within video device A detection system and method for detecting received video signal type within a video device. The video device comprises a plurality of signal receivers; the signal receiver is used for receiving a signal, wherein each of the signal receivers receives one type of th... | 03/29/2011 |
| 7898598 | Method and apparatus for video mode judgement A method and an apparatus for judging video modes are provided. The method compares the values of the corresponding pixels of two consecutive frames in a video data to obtain a difference value between the two frames and then all of the difference values between any... | 03/01/2011 |
| 7898599 | Automated inverse telecine conversion The present invention is generally directed to automated methods and systems for converting image streams having a first frame rate to a second frame rate without the need for user intervention. Embodiments of the present invention obviate the effects of processing ... | 03/01/2011 |
| 7880812 | Video apparatus and video processing method A video apparatus includes a processor for processing a video signal included in an input signal, a detector for detecting a vertical synchronizing interval of a synchronizing signal included in the input signal, a data saver for saving data for each vertical resolu... | 02/01/2011 |
| 7859594 | Display driving signal processor, display apparatus and a method of processing display driving signal Disclosed herein is a display driving signal processor and a display apparatus. A display driving signal processor includes: input means; number-of-horizontal pixels converting means; second clock generating means; and output means. A display apparatus includes: an ... | 12/28/2010 |
| 7821576 | Video format determination using the horizontal synchronizing signal An image processing device includes a synchronizing signal separation section, a counting section, a synchronizing signal determination section, and a video format determination processing section. The synchronizing signal separation section separates a horizontal s... | 10/26/2010 |
| 7812888 | Video signal determination device, a video display device, a video signal determination method, and a video display method for determining the type of a video signal that contains a synchronizing signal A synchronization processing circuit separates synchronizing signals from an input video signal, provides the synchronizing signals to a detection circuit, and further provides the input video signal that has no synchronizing signal to a scaler circuit. The detectio... | 10/12/2010 |
| 7796194 | Automatic video format identification system A video format identification system includes a master clock circuit which provides timing and counting signals, a synchronization activity detector operatively coupled to the master clock circuit, and a synchronization width qualifier configured to filter out noise... | 09/14/2010 |
| 7750976 | Automatic video detector An automatic Video Detector (“AVD”) for detecting the transmission format of a received video signal is disclosed. The AVD may include a video detector array module and a state machine. The video detector array module may include a video line detector and a sub-... | 07/06/2010 |
| 7738041 | Video signal processor and video signal processing method According to one embodiment, a video signal processor has a moving block determining module, a vertical edge detector, a moving block number counter, a moving field determining module, a pulldown pattern detector, and a pulldown signal determining module. The moving... | 06/15/2010 |
| 7738040 | Method and system for detecting digital QAM, VSB and analog TV signals System and methods for processing signals in a television system are disclosed and may include measuring relative power of RF carriers over a full bandwidth of one or more received TV channels. The method may also include determining based on the measured relative p... | 06/15/2010 |
| 7697071 | Device and method for detecting display mode of video signal A device for detecting a display mode of a video signal having first pixels corresponding to a first field, second pixels corresponding to a second field, and third pixels corresponding to a third field, includes a pixel converter, a measurement circuit, and a decis... | 04/13/2010 |
| 7675574 | Display mode switching apparatus, method and program product A display mode switching device and method automatically switches a display mode of a television set to an overscan mode or to an underscan mode depending on a content of a screen. In a case of connecting a television set to a computer, a call from an application fo... | 03/09/2010 |
| 7643090 | Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal are disclosed. A disclosed system classifies a video component of an audio-video signal by analyzing a histogram of pixel data, analyzing a quality factor, and/or a... | 01/05/2010 |
| 7643091 | Aspect ratio enhancement An adaptive compensation system for aspect ratio conversion. Video information, intended for her first aspect ratio display, e.g. the standard NTSC aspect ratio, is processed to determine additional information that can enable that video to be displayed and fill a w... | 01/05/2010 |
| 7626636 | Electronic apparatus and broadcast standard determination method According to one embodiment, an electronic apparatus includes a receiver which receives a broadcast signal, a demodulator which filters the received broadcast signal using a filtering characteristic, and separates the received broadcast signal into a video signal an... | 12/01/2009 |
| 7593063 | Method of detecting a format type of an incoming video signal and source format detector thereof A source format detector for detecting a format of a video signal includes a frequency data generator for generating first frequency data corresponding to a first field in the video signal, and second frequency data corresponding to a second field in the video signa... | 09/22/2009 |
| 7561206 | Detecting progressive video Whether interlaced video fields form a progressive video frame can be automatically determined. The presence or absence of a first characteristic of one or more video fields can be determined by analysis of the fields and/or related information such as flags, cadenc... | 07/14/2009 |
| 7557864 | Video signal judgment circuit A video signal judgment circuit for judging the condition of a video signal compounded of a picture signal and a synchronization signal is provided. The video signal judgment circuit is adapted to first filter the video signal by a low-pass filter (LPF) having an ad... | 07/07/2009 |
| 7554607 | Video signal detection circuit A signal detector for detecting and indicating the duration of a signal pulse by comparing the relative polarities of two voltages generated during the two states of the pulsed signal. ... | 06/30/2009 |
| 7551229 | Automatic channel selection method and apparatus in unstable digital channel environments An apparatus comprising a tuner module configured to demodulate a first television signal and a second television signal that corresponds to the first television signal; and a controller electronically coupled to the tuner module, the controller configured to compar... | 06/23/2009 |
| 7538821 | Display apparatus to detect letter-box boundary and method of displaying image using the same A display apparatus and a method of displaying an image using the display apparatus. The display apparatus includes a classifier to detect whether a pixel of each line of sequentially input frames of an input image is a black pixel of a letter-box area, a counter to... | 05/26/2009 |
| 7532252 | Video mode detection circuit A video signal mode detector for automatically detecting and indicating the type of video signal being received in terms of its video signal characteristics, including horizontal line count and progressive or interlaced scanning. ... | 05/12/2009 |
| 7522217 | System and method for overlay of a motion video signal on an analog video signal A system for overlaying a motion video signal onto an analog signal on a display. The system includes a motion video processing unit for receiving and processing the motion video signal into a signal having an analog video format, a video format analyzer and synchro... | 04/21/2009 |
| 7508453 | Synchronization signal processor A video data stream containing picture video and a vertical synchronization signal is processed in a microprocess that performs statistical evaluation of the frequency of the vertical synchronization signal of the video data stream. The statistical evaluation includ... | 03/24/2009 |
