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| Number | Title | Issue Date |
| 6297858 | Method and apparatus for detecting video transmissions A method and apparatus for detecting validity of video transmissions in accordance with one of a plurality of channel identification plans is be accomplished by first detecting selection of a channel, wherein the channel corresponds to a particular video ... | 10/02/2001 |
| 6281939 | Method and apparatus for decoding data encoded in the horizontal overscan portion of a video signal A method and apparatus for decoding data encoded in the horizontal overscan portion of a video signal. A video data detector is configured to decode data encoded in a video signal in a first type of video signal format, such as NTSC. When the detector rec... | 08/28/2001 |
| 6275267 | Television receiver for receiving a plurality of formats of video signals having different resolutions Display source memories of resolutions according to image formats are prepared. The image format is discriminated from an extracted video packet. A font or a bit map is read out from the display source memory corresponding to the image format. The font or... | 08/14/2001 |
| 6262766 | Method for assessing the quality of a television image A method assesses the quality of a television image. In diversity reception installations including several receivers, it is necessary to establish a criterion for selecting the receiver with the best image quality. For this purpose, the five vertical con... | 07/17/2001 |
| 6262772 | Method and apparatus for preventing display screen burn-in When viewing a 4:3 aspect ratio image on a widescreen display, disturbing black bands appear to the left and right of the displayed image. Similarly, when viewing a letterbox image on a 4:3 aspect ratio display, disturbing black bands appear above and bel... | 07/17/2001 |
| 6243032 | Decode apparatus that can accommodate dynamic change in sample data attribute during decoding process An A/V signal pickup unit receives an audio digital data stream. A CPU carries out a decode process, and adds tag data indicating the attribute of audio sample data to provide the same to an audio signal converter unit. The audio signal converter unit con... | 06/05/2001 |
| 6229574 | Screen ratio converter for digital TV A system for converting from an image with one aspect ratio to another aspect ratio includes a plurality of simple converters and a selector which selects one of the plurality of converters to convert from one image size to another. The selector divides t... | 05/08/2001 |
| 6226046 | Video signal discriminating circuit and television receiver A discrimination about a standard screen or a wide screen is performed by a discriminating circuit in accordance with the presence or absence of upper and lower black stripes of a wide screen video signal. A video signal transmitted through a low pass fil... | 05/01/2001 |
| 6219108 | Radio receiver detecting digital and analog television radio-frequency signals with single first detector Radio receivers for receiving DTV signals, in accordance with the Advanced Television Systems Committee (ATSC) standard, or analog TV, in accordance with the National Television Sub-Committee (NTSC) standard, each use a single first detector for both type... | 04/17/2001 |
| 6215467 | Display control apparatus and method and display apparatus A display control apparatus having a plurality of different display modes for displaying a plurality of types of image signals corresponding to different resolutions and dot clocks, includes a discrimination circuit for displaying the display mode of the ... | 04/10/2001 |
| 6211926 | Remote control apparatus for digital cable television system and method thereof A remote control apparatus for a digital cable television system and a method thereof which are capable of inserting and transmitting a control data into each channel of a head end (HE) which is an output unit of a transmitting unit and modulating a state... | 04/03/2001 |
| 6208385 | Letterbox image detection apparatus A letterbox image detection apparatus for detecting a letterbox image by detecting a boundary of an image area and a non-image area, so as to display the image area on a full screen according to the detection result but not to display the non-image area. ... | 03/27/2001 |
| 6201576 | Apparatus and method for detecting an NTSC signal in an HDTV transmission signal A system detects the presence of NTSC co-channel interference and enables NTSC comb-filtering when the NTSC signal is detected. The system comb-filters the baseband signal to generate a filtered baseband signal, and accumulates the noise power of the base... | 03/13/2001 |
| 6201577 | Film source video detection A television line doubler (interlaced to progressive scan converter) incorporating the following aspects--an improved field motion detector which does not treat low frequency vertical transitions as motion; a frame motion detector having an improved abili... | 03/13/2001 |
| 6184942 | Adaptively receiving digital television signals transmitted in various formats Methods for operating an adaptive receiver for receiving a selected DTV signal, which can be either a quadrature-amplitude-modulation (QAM) signal or a vestigial sideband (VSB) signal. The adaptive receiver includes adaptive symbol decoding circuitry for ... | 02/06/2001 |
| 6172713 | Color television system determination circuit A color system determination circuit for use with an input video signal having a frequency component is disclosed. The circuit includes a color trap filter for attenuating the frequency component in the input video signal with the color trap filter provid... | 01/09/2001 |
| 6166777 | Picture-in-picture type video signal processing circuit and method of using the same for a multi-picture display circuit The PIP type video signal processing circuit for a multi-picture display circuit in which a sub-channel video signal is compressed in accordance with a discriminated mode and a reading period is synchronized with a period of the video signal of a main-pic... | 12/26/2000 |
| 6166776 | Multi-receiving demodulator for demodulating signals received from multiple broadcasting systems There is provided a multi-receiving demodulator for receiving broadcasting signals from multiple broadcasting systems. The multi-receiving demodulator has a first band pass filter for selectively band-pass-filtering an intermediate frequency output from a... | 12/26/2000 |
| 6160589 | Video frame detector readily adaptable to video signal formats without manual programming and method for same A video frame detector circuit used in synchronizing one video signal with another video signal. The video frame detector of the present invention is able to automatically detect a start of frame portion of any video composite synchronization signal conne... | 12/12/2000 |
| 6157412 | System for identifying video fields generated from film sources A detector for a video signal includes a pixel comparator that compares a plurality of values of pixels of a first field of the video signal with corresponding pixels of a second field of the video signal. The second field is a second preceding field of t... | 12/05/2000 |
| 6154257 | Method for identifying input video signal and processing the video signal A first correlation between a present field of an input video signal and a one-field preceding field, and a second correlation between the present field and a one-field succeeding field are detected. The first correlation and the second correlation are co... | 11/28/2000 |
| 6151078 | Method of transmitting video data, video data transmitting apparatus, and video data reproducing apparatus A method of transmitting video data is characterized wherein plural pieces of video data of plural broadcast programs are divided into packets, respectively, and the plural packets of the video data and packets including information about the broadcast pr... | 11/21/2000 |
| 6137545 | Reception mode control in radio receivers for receiving both VSB and QAM digital television signals A radio receiver uses the same tuner for receiving a selected wideband digital signal of at least a few megahertz bandwidth, such as a digital television (DTV) signal, irrespective of whether it is a quadrature-amplitude-modulation (QAM) or a vestigial si... | 10/24/2000 |
| 6137538 | Bus system for a television signal processing device Bus system (1, 2, 3) for a television signal processing device for transferring video data (d8) of at least one video data source (8) and/or supplementary data (d10) of one or more supplementary-data sources (10) between a transmitter (1) and a receiver (... | 10/24/2000 |
| 6133912 | Method of delivering information over a communication network A technique and apparatus for delivering information to the subscribers (terminals) on a communication network. The information is simultaneously displayed without interfering with the reception and/or display of subscriber's selected data or program.... | 10/17/2000 |
| 6130721 | Video format mode detector A video format mode detector for detecting the format mode of a video signal transmitted from a video data output device such as personal computer, which includes a counter for counting a horizontal synchronous signal input during one cycle of a vertical ... | 10/10/2000 |
| 6128043 | Multi-standard signal reception A multi-standard receiver is which is particularly suited for reception of B/G-PAL and D/K-PAL TV signals. In the receiver, a tuner (TUN) selects a desired TV signal which is passed to a multi-standard demodulator (DEM) via an intermediate-frequency filte... | 10/03/2000 |
| 6128044 | Automatic wide screen display method and apparatus for a TV set An automatic wide screen display apparatus and method of a TV set according to the present invention determine the presence of a wide screen video signal and detect an aspect ratio data of an inputted video signal based on the determination using a vertic... | 10/03/2000 |
| 6108046 | Automatic detection of HDTV video format A method and apparatus for automatically detecting the format of a high-definition television (HDTV) signal at a video encoder to allow proper encoding of the signal, including progressive and interlaced scan, and specific pixel and vertical line resoluti... | 08/22/2000 |
| 6104763 | Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver A QAM/VSB digital television (DTV) receiver of plural conversion type uses the same circuitry up to a penultimate IF amplifier for receiving DTV signals no matter whether they use QAM or VSB modulation. The converter used for generating final IF signals w... | 08/15/2000 |
| 6104437 | Display signal processing device having a controllable LED display The device comprises a signal processing section and an LED display section. The signal processing section comprises a signal processor for identifying and processing a plurality of types of display signals. The signal processing section comprises a first... | 08/15/2000 |
| 6078361 | Video adapter circuit for conversion of an analog video signal to a digital display image A video adapter circuit for adapting analog video signals provided by a personal computer system designed to drive a CRT display monitor into signals appropriate for driving a flat panel display monitor. The video adapter circuit accepts analog video and ... | 06/20/2000 |
| 6064449 | Automatic characterization of a television signal A method and apparatus in a client processing system are provided for characterizing an input television signal as broadcast television or cable television and, if the signal is cable television, as IRC cable, HRC cable, or standard cable. The client proc... | 05/16/2000 |
| 6058140 | Method and apparatus for inverse 3:2 pulldown detection using motion estimation information Converting 24 frame per second film source material to 60 fields per second video involves converting one film frame into either two or three video fields using a repeating 3:2 field pattern, referred to as a 3:2 pulldown. When one film frame is made into... | 05/02/2000 |
| 6057889 | Format-responsive video processing system A video processing system that automatically adjusts video processor parameters depending upon the format of a received video signal in, e.g., a television receiver capable of receiving a multiplicity of video formats.... | 05/02/2000 |
| 6005640 | Multiple modulation format television signal receiver system A television receiver for processing both analog television signals and digital television signals. Specifically, the television receiver contains a RF/IF front end, an analog-to-digital converter that samples a near baseband signal using a "free running"... | 12/21/1999 |
| 5999223 | System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver A radio receiver for receiving a selected DTV signal that can be a quadrature-amplitude-modulation (QAM) signal or a vestigial sideband (VSB) signal synchrodynes the received signal to baseband and supplies the baseband signal to an adaptive equalizer. Th... | 12/07/1999 |
| 5990971 | Picture-display-region discriminating apparatus A picture-display-region discriminating apparatus comprising a device for setting a number of picture detection regions on a display screen of a television receiver, a detecting device for detecting a level of a video signal corresponding to each picture ... | 11/23/1999 |
| 5990858 | Flat panel display terminal for receiving multi-frequency and multi-protocol video signals An apparatus and method for enabling a flat panel display terminal to simulate operations of a multifrequency cathode-ray tube monitor. The synchronization signals included in the input analog video signals are analyzed to identify a display protocol. The... | 11/23/1999 |
| 5982457 | Radio receiver detecting digital and analog television radio-frequency signals with single first detector Radio receivers for receiving DTV signals, in accordance with the Advanced Television Systems Committee (ATSC) standard, or analog TV, in accordance with the National Television Sub-Committee (NTSC) standard, each use a single first detector for both type... | 11/09/1999 |
