For Color Television Signals (epo) Patents (Class 348/E17.004)
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Publication number: 20100141777Abstract: A display apparatus which displays its power consumption and a method of displaying power consumption thereof, are provided. The method of displaying power consumption of a display apparatus which includes a display, the method including: measuring power consumption of the display apparatus; displaying power consumption information about a measured power consumption and a settings menu to adjust a setting value involved in controlling the display apparatus on the display; and displaying power consumption information which is changed in accordance with an adjusted setting value on the display. The display apparatus and the method provide displaying power consumption on a screen, the power consumption being changed by adjusting setting values involved in controlling the display apparatus.Type: ApplicationFiled: July 7, 2009Publication date: June 10, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Kyoung-mi Jin, Jin-young Choi
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Publication number: 20100053338Abstract: In a method for automatic color wheel calibration in a projector, the color wheel includes three primary colors and a non-primary color. The method includes: enabling the projector to project the non-primary color, and measuring first optical physical amounts of the projected non-primary color; enabling the projector to project a combination color of the three primary colors having respective color level values, measuring second optical physical amounts of the projected combination color, and adjusting the respective color level values of the three primary colors according to respective values of differences between the first optical physical amounts and the second optical physical amounts; and repeating the above steps until each of the values of differences approximates zero, thereby obtaining color level values for the three primary colors to produce a combination color matching the non-primary color.Type: ApplicationFiled: February 5, 2009Publication date: March 4, 2010Applicant: ACER INCORPORATEDInventors: Chueh-Pin Ko, Chen-Kang Su
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Publication number: 20100053339Abstract: Systems and methods that facilitate a multi-color error code recognition system. In a one embodiment, the device includes a micro processor based control system and one or more LED indicators coupled to the control system and capable of emitting two or more colors of light. In operations, the control system detects a failed mechanism in the device and causes the one or more LED indicators to blink in a first color a number of times corresponding to the first digit of the error code and then blink in a second color a number of times corresponding to the second digit of the error code.Type: ApplicationFiled: August 20, 2009Publication date: March 4, 2010Inventors: Erik Aaron, Frank DiVito
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Publication number: 20090284604Abstract: A method and a device for adjusting a color temperature coordinate value which is measured by a display color analyzer are disclosed. The device comprises a main control module. The method comprises the following steps: displaying a test image on a standard monitor; receiving a color temperature coordinate value of the standard monitor which is measured by the display color analyzer; obtaining a default standard color temperature coordinate value and comparing with the measured color temperature coordinate value to obtain a color temperature offset value; and adjusting the color temperature coordinate value measured by the display color analyzer by using the color temperature offset value.Type: ApplicationFiled: November 19, 2008Publication date: November 19, 2009Applicant: Wistron CorporationInventors: Tsang-Hsing Lee, Fang-Wen Liao
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Publication number: 20090278940Abstract: A method of testing a display is provided to save test time and cost. The method includes providing a system command set corresponding to the display and a flow control command set to select, generating a testing software application including an executing sequence according to the selected system command set, the selected flow control command set and at least a test pattern, and then executing the testing software application to generate commands corresponding to the executing sequence for the display for testing.Type: ApplicationFiled: October 12, 2008Publication date: November 12, 2009Inventors: Hsin-Ming Lin, Ping-Hung Chen, Yu-Lang Yang
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Publication number: 20090268036Abstract: A method and system for testing gradation levels of a display panel of an electronic device are provided. The method includes dividing a display area of the display panel into 2?n blocks and assigning corresponding gradation values for each of the blocks, displaying the gradation levels of each of the blocks on the display panel, scanning each of the blocks and outputting the gradation values of each of the blocks, and determining a defectiveness of the display panel depending on the outputted gradation values and the assigned gradation values of each of the blocks.Type: ApplicationFiled: December 15, 2008Publication date: October 29, 2009Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.Inventor: MENG-CHIEH CHOU
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Publication number: 20090268037Abstract: A video calibration system capable of performing automatic calibration is utilized for testing a display device, and includes a pattern generator for generating testing signals corresponding to the display device, an oscilloscope coupled to the pattern generator, for displaying waveforms of the testing signals provided by the pattern generator, and an operating device coupled to the pattern generator and the oscilloscope, including a calibration software for automatically adjusting configuration of the pattern generator according to signals of the oscilloscope, so as to control the pattern generator to generate the testing signals in conformation with a predefined specification.Type: ApplicationFiled: March 25, 2009Publication date: October 29, 2009Inventors: Li-Yu Yang, Ping-Hung Chen
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Publication number: 20090256916Abstract: A storage unit stores and holds, for each location, a set of location information indicating a location which can be used by a broadcast program and color temperature information in the location. An arithmetic control unit acquires one of the pieces of location information stored and held in the storage unit. A video signal processing unit performs a color correction process for a video signal contained in a broadcast signal on the basis of the color temperature information stored and held in the storage unit and set with the location information acquired by the arithmetic control unit. A display unit displays a video based on the video signal after the correction.Type: ApplicationFiled: March 27, 2009Publication date: October 15, 2009Applicant: CANON KABUSHIKI KAISHAInventor: Atsushi Tanaka
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Publication number: 20090179989Abstract: A system for monitoring television signals broadcast by at least one transmission antenna in a broadcast area includes a monitoring control center and a plurality of remote monitoring units distributed in television signal receiving locations of the broadcast area remote from the transmission antenna. The remote monitoring units are configured to receive the television signals irradiated in the respective locations, process the television signals and send to the monitoring control center information related to the processed television signal. In particular, the remote monitoring units include a receiver adapted to receive the television signal, a measuring system adapted to perform measures on radio-electric features of the received television signal, and a communication system adapted to communicate measurement results to the remote monitoring center, exploiting a communication link between the remote monitoring unit and the control center.Type: ApplicationFiled: December 30, 2005Publication date: July 16, 2009Inventors: Danilo Bessone, Vincenzo Gigliotti, Michele Lupano, Alfredo Rinaudo, Valter Squizzato
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Publication number: 20090174780Abstract: 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 sampling (21) by a calculation device (5) image data in two corresponding screen (10a, 10b) areas (13a, 13b) in the pair of adjacent screens, analyzing (22, 23, 24) by the calculation device (5) image data sampled in each period to determine a difference in calorimetric rendering between the two screen areas, determining by a correction device (6) connected to the calculation device a process to be applied to the video stream to one of the two video systems controlling the two screens in the pair of adjacent screens, by applying a predetermined correction law to the difference in calorimetric rendering, and applying (26) by the correction device the process to said video system, in order to make the colorimetric rendering of the display surface uniform.Type: ApplicationFiled: February 4, 2009Publication date: July 9, 2009Applicant: CHARTOLEAUX KG LIMITED LIABILITY COMPANYInventors: Francoise Houmeau, Olivier Gachignard, Alain Leyreloup
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Publication number: 20090122197Abstract: A method, apparatus, and system for determining a horizontal resolution and a phase of an analog video signal arranged to display a number of scan lines each formed of a number of pixels is described. A number of initialization values are set where at least one of the initialization values is a current horizontal resolution and then a difference value for each immediately adjacent ones of the pixels is determined. Next, an edge flag value based upon the difference value is stored in at least one of a number of accumulators such that when at least one of the accumulators has a stored edge flag value that is substantially greater than those stored edge flag values in the other accumulators, then the horizontal resolution is set to the current resolution.Type: ApplicationFiled: December 9, 2008Publication date: May 14, 2009Inventor: Greg Neal
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Publication number: 20090091622Abstract: An abnormality detecting apparatus comprises a synchronous detecting circuit for detecting a synchronous signal from a video signal outputted from a camera unit, and an abnormality detecting circuit for judging whether or not a first direct current signal level obtained from an input path of said video signal is greater than a predetermined first threshold value, whether or not a second direct current signal level obtained from said input path of said video signal is smaller than a predetermined second threshold value, and whether or not said synchronous signal is detected by said synchronous detecting circuit, and determining that said input path of said video signal is in one of a normal state, an open state, a power connected state, and a ground connected state based on the result of the judgments.Type: ApplicationFiled: May 19, 2006Publication date: April 9, 2009Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Kenji Yoshioka, Masaki Sato
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Publication number: 20080309766Abstract: The present invention discloses a color calibrating method for setting target gamma curves of a target display device by utilizing operations of color space transformation and chromaticity coordinate value comparison according to color characteristics of a reference display device. The color calibrating method disclosed by the present invention is able to measure only various gray levels of white frames, and utilize transformations between the different color spaces and comparison operation of the chromaticity coordinate value setting the target gamma curves of R, G, B for the target display device according to the color characteristics of the reference display device so as to make the color characteristics of the target display device be substantially equal to the color characteristics of the reference display device. Thus, the color calibrating method of the present invention can efficiently reduce required measuring data and time of calibrating the color characteristics of the target display device.Type: ApplicationFiled: November 5, 2007Publication date: December 18, 2008Inventor: Chia-Hung Lin
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Publication number: 20080303906Abstract: A camera calibrating apparatus uses a calibration target in combination with a laser source generating a laser beam defining a calibration plane and intersecting the camera field of view to define an object imaging area. The calibration target includes a frame defining a coplanar arrangement of more than five reference points having known position coordinates within an object reference system. The frame is disposed in a camera calibration position wherein the coplanar arrangement of reference points is substantially parallel to the calibration plane. The target includes an arrangement of light reflecting members protruding from the arrangement of reference points in a direction substantially perpendicular thereto so as to extend within the object imaging area, to allow the camera to capture an image formed by illuminated portions of the light reflecting members.Type: ApplicationFiled: August 21, 2008Publication date: December 11, 2008Applicant: CENTRE DE RECHERCHE INDUSTRIELLE DU QuebecInventors: Pierre Poulin, Jean-Luc Lessard, Denis Lessard
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Publication number: 20080192120Abstract: A security camera and an image, within the camera's field of view, of a test pattern, containing color elements and grayscale elements having know predetermined spectrophotometrical values and resolution elements. After taking of images at a scene, and when subsequently reproduced accurately the elements will produce electronic signals that are detectable on measuring equipment well-known to the trade, such as vectorscopes and waveform monitors. Adjustments and corrections can then be made to the images of a scene, based on those readings. A method of adjusting and correcting images using the test pattern is also disclosed.Type: ApplicationFiled: February 13, 2007Publication date: August 14, 2008Inventor: Ferrand D. E. Corley
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Publication number: 20070236571Abstract: Disclosed is a digital TV smart antenna system and controlling method of the same, the system converges a smart antenna into an optimal reception by detecting a maximum signal power in a signal acquisition process for a fast acquisition performance and selectively assembling information such as signal power, multi-channel, SNR, and SER, and particularly, calculates signal power according to the antenna direction by fixing AGC as a specific value for detecting the maximum signal power.Type: ApplicationFiled: June 18, 2007Publication date: October 11, 2007Inventor: Tae Won Lee