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Class 348/599 - Color signal


Subclass of Class 348 - Television
Definition: Subject matter including a specific circuitry peculiar to
No. of patents: 84
Last issue date: 12/04/2007


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NumberTitleIssue Date
7304652System and method for providing graphics using graphical engine
Systems and methods that provide graphics using a graphical engine are provided. In one example, a system may provide layered graphics in a video environment. The system may include a bus, a graphical engine and a graphical pipeline. The graphical engine may be coup...
12/04/2007
7295246Picture signal processing circuit
In a picture signal processing circuit, in the case of converting picture signal data compliant with an analog video standard to a digital video format to obtain progressive data of a digital value, in a line which is included in a picture display period (active per...
11/13/2007
7233366Method and apparatus for sending and receiving and for encoding and decoding a telop image
To allow a telop image to be displayed appropriately even when color information and transparency information for the telop image are transmitted over a network, the present invention provides a telop image sending/receiving system comprising a telop image sending a...
06/19/2007
7206025Device and method for converting format in digital TV receiver
Device and method for converting a format of a video signal in a digital TV receiver is provided. Format conversion can be carried out at one chip of a format converting device, inclusive of conversion of resolution, frame rate, scanning method, aspect ratio, color ...
04/17/2007
7136078Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method
A connection device capable of mixing an RGB graphics signal and a YUV video signal. The connection device includes a graphics conversion module for transforming an RGB graphics signal into a YUV graphics signal, and a mixing module connected to the graphics convers...
11/14/2006
7123273Overlay of plural images
The overlay image processing device comprises: an image selector for selecting from among an m number of image signals one reference image signal and (n−1) number of superimposing image signals, where m is an integer greater than 2; a resolution converter for conv...
10/17/2006
7119855Image display with display-switching function
In an image display having a image generator for forming and displaying an optical image in accordance with inputted image signal and a controller for controlling the image generator, a controller (5) has a display-condition switching controller (510, 511
10/10/2006
7102645Graphics display controller providing enhanced read/write efficiency for interfacing with a RAM-integrated graphics display device
A graphics display controller providing enhanced read/write efficiency for interfacing with a RAM-integrated graphics display device. According to the invention, a graphics display controller is disclosed for interfacing between a host and a graphics display device ...
09/05/2006
7072948Information retrieval system using an internet multiplexer to focus user selection
The invention provides a method and system for receiving incoming information from multiple information sources, both interactive and passive, and for engagingly presenting that information to a recipient on a presentation interface. The system includes a “backgro...
07/04/2006
7068327Video encoder and image processing system using same
A video encoder capable of adjusting output levels and more effectively utilizing performances of later devices, provided with a level adjustment circuit for adjusting output levels of an input luminance signal, color signal, and composite video signal by adding DC ...
06/27/2006
7057622Graphics display system with line buffer control scheme
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, a graphics input and an audio input simultaneously. The chip includes a display engine that process...
06/06/2006
7019788Video mixer apparatus
Video picture signals are received via at least three channels. At least three control instructing operators are provided in correspondence with the channels. Each control instructing operator is operable to give a signal control instruction for the corresponding ch...
03/28/2006
7015924Display apparatus and image encoded for display by such an apparatus
In a system for storing and displaying images, such as in a personal computer or mobile telephone, a display apparatus is provided which selectively displays virtual reflections of the real environment according to mirror values encoded with the stored image. A came...
03/21/2006
7006156Image data output device and receiving device
Image data scaled by a scaling circuit and then multiplied by a weighting factor by a weighting factor multiplier circuit and an on-screen-display (OSD) data multiplied by a weighting factor by a weighting factor multiplier circuit and then scaled by a scaling circu...
02/28/2006
7002602Apparatus and method for blending graphics and video surfaces
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, and graphics input. The chip blends graphics and video information by various graphics windows usin...
02/21/2006
6980257Plural-source, selectable, combined image/text single-screen display
A plural-source-capable, broadcast-reception, audio/video system and methodology which freely enable the simultaneous display, on a single television receiver screen, of different categories of these broadcast-information components which may be being broadcast at t...
12/27/2005
6975324Video and graphics system with a video transport processor
A video and graphics system includes a data transport processor for receiving compressed data streams, a video transport processor for extracting video data, and an audio decode processor for extracting audio data. The data transport processor provides PCRs to the v...
12/13/2005
6947060Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method
An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance...
09/20/2005
6927783Graphics display system with anti-aliased text and graphics feature
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, a graphics input and an audio input simultaneously. The system may use anti-aliased text and graphi...
08/09/2005
6924806Video card with interchangeable connector module
A video card for processing a video signal comprises an interchangeable connector module and a video processing module. The interchangeable connector module has a specific configuration. The video processing module has a connector for coupling the interchangeable co...
08/02/2005
6924846Information processing apparatus, graphic processing unit, graphic processing method, storage medium, and computer program
An information processing apparatus obtains a first image and display timing information of the first image via a first channel, and a second image via a second channel different from the first channel. The information processing apparatus includes a main CPU for pr...
08/02/2005
6917387Arrangement for time-correct combination of two data streams
Methods and apparatus are described for time-correct combination of two data streams, particularly video data streams. In this case, a sync signal of the first video data stream is a horizontal sync signal. In this case, methods and apparatus are provided to combine...
07/12/2005
6912013Television receiver
A television receiver 1 enables a decoder 5 to extract a closed caption signal of DTVCC method from a digital broadcasting signal received via an antenna 11. The closed caption signal of DTVCC method extracted here is analyzed and converted into...
06/28/2005
6903781Video signal processing apparatus
A video signal processing apparatus comprises a sub-screen processing integrated circuit for subjecting a sub-screen video signal to scale-down processing to reduce its display region and output the sub-screen video signal, and a main-screen processing integrated ci...
06/07/2005
6833874Ticker tape picture-in-picture system
A ticker tape PiP system that provides for viewing the ticker tape image portion from one image signal (e.g., a ticker tape image portion of a television image signal), while viewing at least a portion of an image from a different image signal (i.e., a standard tele...
12/21/2004
6822694Signal processing apparatus
According to the signal processing apparatus of the present invention, in a text signal processing circuit, predetermined signal processes are executed to a luminance signal Y and color difference signals U and V in which a ratio of sampling clocks is equal to (4:4:...
11/23/2004
6753929Method and system for real time motion picture segmentation and superposition
Methods and systems for separating a picture part of interest from an arbitrary background in real time videos are presented. The background may be a moving or still frame. The picture part of interest and background frames may be in or out of focus. One separation ...
06/22/2004
6678006Method and apparatus for video processing that includes sub-picture scaling
A method and apparatus for processing DVD video data and sub-picture data is accomplished by storing a line of DVD video data and at least a partially decoded portion of DVD sub-picture data. The partially decoded DVD sub-picture data is still in an encod...
01/13/2004
6606407Image processing apparatus, image processing method and memory medium
There is provided configuration for enabling extraction of the concerned area with simple operations. An arbitrary position within the desired concerned area is designated by the position designation means, and the pixel color of the designated position i...
08/12/2003
6462786Method and apparatus for blending image input layers
A method and apparatus for blending a plurality of image input layers include processing that begins by converting each of a plurality of image input layers that have a color base that differs from a color base of a display into a image layer having the c...
10/08/2002
6414723Double/multi window processing apparatus for television system
A double/multi window processing apparatus for a TV system is disclosed. The apparatus has a first luminance/chrominance separation unit for separating a luminance signal Ym and chrominance signal Cm from the combined image signals of the main image outpu...
07/02/2002
6407746Image processing method for high speed display based on rotation of different kinds of data including reduced data and apparatus for the same
An image processing apparatus includes a data dividing section for dividing digital data into a plurality of blocks of data. A first parallel shift control section controls, block by block, first parallel shift for shifting the blocks of digital data to p...
06/18/2002
6348953Device and process for producing a composite picture
Apparatus for producing a composite image from a foreground image (FG), showing an object or a scene with a substantially monochrome background, and background image (BG) comprising a first processing unit (R4) for producing a control signal (SEP) for eac...
02/19/2002
6346971Picture synthesizing system includes a color table conversion section
A picture synthesizing system includes a main picture decoding section, sub-picture decoding section, color table conversion section, sub-picture data conversion section, and picture synthesizing section. The main picture decoding section decodes main pic...
02/12/2002
6335761Method and apparatus for converting color base of an image layer
A method and apparatus for converting the color base of an image input layer include processing that begins by interpreting a conversion flag. The processing then continues by converting the color base of the image input layer from a first color base to a...
01/01/2002
6268847Method and apparatus for more accurate color base conversion of YUV video data
A method and apparatus for improving the quality of video data when displayed on a display device that uses YUV output data to produce a display includes processing that begins by generating expanded RGB data from received RGB data. For example, the RGB d...
07/31/2001
6268889Video signal processing apparatus and signal transmitting method
RGB signals and sync signals H and V are inputted from a personal computer or the like. Additional information is superimposed to a vertical blanking period of the R signal. A timing generating unit generates a sampling pulse on the basis of the sync sign...
07/31/2001
6157415Method and apparatus for dynamically blending image input layers
A method and apparatus for dynamically blending a plurality of image input layers include processing that begins by determining color base (e.g., color space, colorimetries and/or any defining characteristics relating to the display of a video signal and/...
12/05/2000
6061099Video overlay circuit and method for overlaying a video signal
A video overlay circuit (110) overlays a first video signal (COMPVID) with a second video signal (LUM2, CHROM2). The first video signal is partitioned by filtering out a first chrominance component (CHROM1) which is subtracted from the first video signal ...
05/09/2000
5923379DSS/DVD picture in picture with internet
A system for providing a user controllable picture-in-picture formatted signal to a television is provided with a fast modem that interconnects the system with a computer network, such as the Internet. In order to allow a user to interact with the Interne...
07/13/1999
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