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| Number | Title | Issue Date |
| 7489337 | Method and system for synchronizing colorimetric rendering of a juxtaposition of display surfaces A method for making uniform the colorimetric rendering of a display surface including several adjacent display screens (10a, 10b), comprising for each pair of adjacent screens (10a, 10b) steps of: periodically ... | 02/10/2009 |
| 7415153 | Color naming, color categorization and describing color composition of images The invention provides methods, systems and apparatus for assigning color names to individual image pixels, and generating verbal description of color composition in images, suitable for a wide variety of information processing applications. For an isolated image pi... | 08/19/2008 |
| 7339619 | Image pickup system and image processing program for performing correction on chroma signal A color signal of a primary color or a color signal of a complementary color is converted from a CCD to signals in a color space having an intensity, a hue and a chroma. Tone conversion is performed on a luminance signal. A chroma correction coefficient is calculate... | 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 |
| 7312815 | Method and apparatus for color calibration The present invention provides a method and an apparatus for color calibration for calibrating an input color. A target color represented by a first coordinate pair (X1, Y1). An input color, which is to be calibrated, is represented by a second coordin... | 12/25/2007 |
| 7234863 | Apparatus for measurement optical characteristic of a display panel An ambient temperature control apparatus used for measuring ambient temperature. The apparatus has a bottom plate, a panel fitting apparatus, an external mask, and a temperature control device. The panel fitting apparatus is disposed on the bottom plate and is suita... | 06/26/2007 |
| 7158173 | Method for determining environmental brightness to control display brightness in mobile communication terminal including camera having automatic gain control function, and method for controlling display brightness using the same Disclosed is a method for determining environmental brightness to appropriately control display brightness according to variations of the environmental brightness in different places in a mobile communication terminal including a camera having an automatic gain cont... | 01/02/2007 |
| 7136092 | Method and apparatus for testing video chroma quantization A method for testing the chroma performance of a digital rendering integrated circuit includes generating a video test signal where the video test signal has a constant luma amplitude, constant chroma amplitude, and varying chroma phase. The method then continues by... | 11/14/2006 |
| 7133148 | Digital camera for image device calibration The invention is directed to an apparatus for calibrating an output of an image output device, comprising an image input device configured to image an output of the image output device; and a test pattern generator having an output of a dynamic test patch area and a... | 11/07/2006 |
| 7109861 | System and method for alarm generation based on the detection of the presence of a person An automatic monitoring and sensing apparatus is provided for detecting an intruder or a person whose presence is undesired for one reason or another. According to one aspect of the invention, a method and apparatus are provided for automatically monitoring an envir... | 09/19/2006 |
| 7081925 | Method and apparatus for adapting chromatic compensation The present invention relates to a method and an apparatus for adaptive compensation of chrominance, aiming at the optimization of colors of electronic images. The invention includes the experimental data obtained when the best viewing effects are achieved, the divi... | 07/25/2006 |
| 7023471 | Video quality assessment with test video sequences A test video sequence for testing quality loss in processed video. When video clips are transmitted, compressed/decompressed, or otherwise processed, measuring the loss of quality that occurs during processing can be improved by inserting specific types of overhead ... | 04/04/2006 |
| 7023470 | Self-testing video display devices and method of use thereof A self-testing video display device and method of use. A video display test program is stored in a video processing unit inside a video display device. The test program includes a plurality of video test patterns and is accessible by entering a “secret” keycode ... | 04/04/2006 |
| 7006117 | Apparatus for testing digital display driver and method thereof In a specific embodiment of the present invention, a graphics device generates digital output data in response to a known input data. The resulting digital output data has an expected circular redundancy check (CRC) value. The generated digital output data is provid... | 02/28/2006 |
| 6961086 | Photographing apparatus for correcting white balance of an image signal and a color correction coefficient of image data A photographing apparatus provided with a picture-taking device which photographs a subject, includes a transmission type chart to be attached to the photographing apparatus and having at least a chromatic color portion; a storage device which stores a color reprodu... | 11/01/2005 |
| 6933967 | Color reference system for display monitor A color calibration system includes a visual display terminal (VDT), a color calibration sensor optically coupled to the VDT, and a computer processing unit (CPU) electrically coupled to the VDT and the color calibration sensor. The VDT has a display screen and a pl... | 08/23/2005 |
| 6862029 | Color display system Disclosed is a method and apparatus for controlling color displayed on a color monitor. The method includes, in one embodiment, the steps of: activating a first color scheme on the monitor; responsive to the activating of the first color scheme, measuring a first co... | 03/01/2005 |
| 6757010 | Method and system for calibrating color correction instructions between color correction devices Systems and methods for correlating color correction instruction between two color correcting devices are disclosed. The method includes performing a nulling test on a representation a first device has of a known standard and retaining the results of the test. A sec... | 06/29/2004 |
| 6747688 | Apparatus and method for reproducing real colors in a video system The present invention relates to an apparatus and a method for reproducing real colors of a video system. The apparatus comprises a video signal generating device for storing, in an internal memory, a first test video signal in which inherent RGB color sensitivity i... | 06/08/2004 |
| 6744464 | Apparatus and method for real-time testing/adjusting of television picture colors This invention relates to an apparatus and method for real-time testing of television picture colors. It can conduct real-time testing and adjusting of colors at various pixels to make tree and grass greener. The apparatus in accordance with the present invention in... | 06/01/2004 |
| 6700627 | Method of characterizing a video display A method of characterizing a video display, including the steps of providing a mathematical model of the display that relates code values to luminance output of the display, the model having a parameter that characterizes the display; displaying a referen... | 03/02/2004 |
| 6556238 | Color-bar signal generation unit compatible with plurality of television signal formats A color-bar signal generation unit compatible with a plurality of television signal formats is provided. The color-bar signal generation unit in accordance with the present invention includes first, second, and third color-bar signal generators for genera... | 04/29/2003 |
| 6552755 | Method for measuring convergence by using a mixed color pattern A method for measuring a convergence of color CRT uses a combination pattern among Red(R), Green(G) and Blue(B) colors on a white pattern when measuring convergence by using a color camera so that convergence is measured with a high degree of precision. T... | 04/22/2003 |
| 6538242 | Method of measuring spectral responsivity characteristic of image pick-up device and method of configuring imaging data A spectroscope (2) spectrally separates a light from a light source (3) and outputs the separated light from an emitting terminal (6) thereof. An image pick-up device (1) having a solid-state image sensor picks-up an image of the emitting terminal (6). Fi... | 03/25/2003 |
| 6330026 | Color testing system for testing color output of a display device The present invention provides a color testing system for testing intensities of color output from a screen of a display device. The color testing system comprises a reading probe for reading color output from the screen of the display device, a display e... | 12/11/2001 |
| 6317153 | Method and system for calibrating color correction instructions between color correction devices Systems and methods for correlating color correction instruction between two color correcting devices are disclosed. The method includes performing a nulling test on a representation a first device has of a known standard and retaining the results of the ... | 11/13/2001 |
| 6292231 | Color signal generation circuit A reference signal having either twice or four times the frequency of a color burst signal (2fsc or 4fsc) is divided into a plurality of divided signals, each having the same frequency as that of the color burst signal, or an fsc frequency. In addition, a... | 09/18/2001 |
| 5889835 | Method and system for testing a transmission line in a non-addressable network for continuity A method and system for testing the continuity of a transmission line in a non-addressable network. A method and system in a communications service environment are provided, the environment including an addressable network and a non-addressable network, f... | 03/30/1999 |
| 5561459 | Automatic profile generation for a self-calibrating color display A method and system for formatting characteristic CRT information into a standardized format to provide a dynamic CRT characteristic profile to enhance presently used methods of recalibrating CRTs is disclosed. Present CRT parameters are measured and comb... | 10/01/1996 |
| 5455620 | Automatic generation of vector reference graticules A system for automatic generation of vector reference graticules for a vectorscope display acquires the active video portion of a video signal that includes a color bar test signal. The values for each color difference component at each reference color pl... | 10/03/1995 |
| 5440340 | Device for measuring characteristics of a color cathode ray tube A CRT measurement device includes an image pickup device for producing an electrical image signal with respect to a light image displayed on the CRT, an optical system having a movable focusing lens for providing a light image of varied sharpness to the i... | 08/08/1995 |
| 5404164 | Process and device for convergence measurement in a color picture tube A color TV convergence measurement device and process for measuring a position of an electron beam of a multiple-beam color picture tube relative to a field of view of an image converter, in which an electron beam generation system provides the electron b... | 04/04/1995 |
| 5392394 | System for generating different kinds of digital video signals A system with a small scale hardware construction of a comparatively small memory capacity generates many kinds of digital video signals. The digital video signal generator includes at least one set of central processing units, a read only memory in which... | 02/21/1995 |
| 5381349 | System for calibrating a color display to enable color-matching A color display screen displays a calibration color patch and a comparison color patch. The calibration color patch manifests a calibration color of a predetermined intensity, and the comparison color patch manifests a comparison color derived from a user... | 01/10/1995 |
| 5365275 | Method and apparatus for generating PAL video signal by digital processing Disclosed is a method and apparatus for highly stably and accurately generating a PAL video signal by digital processing. The method and apparatus comprise generating a basic clock having a frequency which is 11×N times (N: an integer) as high as a horiz... | 11/15/1994 |
| 5345263 | Computer color monitor testing method and portable testing apparatus A computer color monitor portable testing apparatus includes a programmable microprocessor storing a software program and producing timing and control signals in response to operation of the program to generate selected color patterns on a selected one of... | 09/06/1994 |
| 5247350 | Method and apparatus for testing video The chroma circuits of a VCR are tested by replacing the video signal from the video heads of the VCR with a composite signal from a test pattern signal developed by a test instrument, which composite signal includes a chroma signal which is phase rotated... | 09/21/1993 |
| 5194936 | Circuit for selectively converting a color bar pattern A circuit for selectively converting a color bar pattern, comprising a switching means for selectively converting the circuit to the EIA mode or SMPTE mode, a line selecting means for counting the input number of the horizontal control signal reset by mea... | 03/16/1993 |
| 5159436 | Technique for detecting color misregistration and misconvergence in video color displays and cameras A blinking set of displayed collinear elements alternating in color allows simple, rapid, and accurate determination of color misregistration or misconvergence in color television video displays and color television cameras. Operators can readily detect m... | 10/27/1992 |
| 5119178 | Video camera with manual color balance adjusting option A video camera whereby the photographer can switch from an automatic to a manual adjustment mode. In the manual mode a color bar chart on a lens cap is pictured on part of the viewfinder of the camera, while an electronically generated reference color bar... | 06/02/1992 |
