Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8089559 | Digital photo frame with a picture-in-picture output function and method thereof A method for outputting multimedia files and broadcast contents of a selected television (TV) channels on the DPF in a picture-in-picture (PIP) output mode is provided. The method includes: starting the PIP output mode when the DPF plays multimedia files under a DPF... | 01/03/2012 |
| 7679684 | White balance adjusting device and video display device During adjustment of a white balance, images having different white balances are displayed respectively on a plurality of regions on the screen 201 of the display 200, based on the red video signal Rout, the green video signal Gout and the blue video s... | 03/16/2010 |
| 7548279 | Video signal processor In the event that the maximum Imax of R, G, B color signals is detected and the maximum value Imax is equal to or higher than the suppression start level Vcs which is lower than a predetermined level to be restricted, a suppression gain is generated in accordance wi... | 06/16/2009 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7352409 | Blue stretch circuit and level detection circuit A blue stretch circuit of this invention has a first voltage detection circuit and a second voltage detection circuit, each of which detects that an amount of each of the first and the second color difference signals are within a predetermined range, a blue stretch ... | 04/01/2008 |
| 7221791 | Color converter and color converting method The present invention relates to processes of color data, and an object of the present invention is to provide a color converter and color converting method, with a color converting process for enhancing the saturation for color data, capable of preventing the influ... | 05/22/2007 |
| 7199822 | Dynamic white balance control circuit and multi-screen display device A dynamic white balance control circuit is provided which is capable of dynamically setting a white balance and/or a color temperature according to a level of an input image signal. The dynamic white balance control circuit has a color component detecting circuit to... | 04/03/2007 |
| 7190410 | Color temperature correction circuit Denoting a maximum value of three primary color signals RGB by Max, a minimum value by Min, and coefficients by a and b, the color temperature of only colors close to achromatic colors is changed by adding (a*Min−b*Max) to the signal B. Denoting a luminance level ... | 03/13/2007 |
| 7184097 | On-screen display apparatus The present invention provides an on-screen display apparatus which can eliminate variations in the DC level at a time when an input chroma signal and an OSD chroma signal are switched, and prevent an erroneous display of color. The on-screen display apparatus of th... | 02/27/2007 |
| 7184008 | Liquid crystal displaying method A liquid crystal displaying method includes: multiplying, a difference value of luminance information and a difference value of color-difference information each by an emphasis coefficient α (α is a positive real number); adding the luminance information in which ... | 02/27/2007 |
| 7170234 | Light emitting apparatus generating white light by mixing of light of a plurality of oscillation wavelengths A current of the same amount or in a constant ratio is applied to each of a combination of a blue light emitting diode having a small wavelength variation and a green light emitting diode having a large wavelength variation. With this, as an amount of applied curren... | 01/30/2007 |
| 7167297 | Micromirror array In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 01/23/2007 |
| 7136083 | Display method by using sub-pixels A display method includes obtaining three-times magnified image data, which is made up of sub-pixels and with which a raster image to be displayed currently is magnified by three in the first direction. A filtering process on the three-times magnified image data is ... | 11/14/2006 |
| 7128441 | Video projection system The invention relates to a video projection system comprising at least a light source coupled to a reflector for focusing the light beam, a motor-driven color wheel having a plurality of light-transmitting segments, at least some of said segments being dichroic filt... | 10/31/2006 |
| 7126644 | Rapid white balance method for color digital images A rapid white balance method for color digital image is disclosed. This method is applied to RGB color regions in an image. First, the image is divided into several blocks to obtain the G parameter, then the averaged R and B parameters of each block, thereby obtaini... | 10/24/2006 |
| 7116378 | Color-balanced brightness enhancement for display systems A technique for providing a desired level of color balance in field sequential color systems with brightness enhancement. In color wheels having a spectrally-broad transmissive segment, the spectrally-broad segment has a transmittance that is selected to provide a d... | 10/03/2006 |
| 7106286 | Liquid crystal displaying method A liquid crystal displaying method includes: multiplying, a difference value of luminance information and a difference value of color-difference information each by an emphasis coefficient α (α is a positive real number); adding the luminance information in which ... | 09/12/2006 |
| 7075503 | Method for adjusting color temperature in plasma display panel A method is provided for adjusting color temperature in a PDP device. The method includes setting a desired color temperature of the PDP as the RGB ratio which shows the level ratio of each of the RGB signals, setting each light emitting frequency of the PDP corresp... | 07/11/2006 |
| 7075702 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 07/11/2006 |
| 7071998 | White balance regulating device and method thereof Disclosed is a white balance regulating device, including a cut-off value adjusting portion for adjusting and outputting a cut-off value of an analog image signal which is input as a first pattern; an A/D converter for converting the analog image signal, in which th... | 07/04/2006 |
| 7050074 | Color correction in image display The image display apparatus comprises: an image processor for outputting image data including plural color component data; a gain corrector for correcting levels of the image data output by the image processor; and an image display device having a plurality of pixel... | 05/23/2006 |
| 7050122 | Equipment and techniques for increasing the dynamic range of a projection system Apparatus and techniques for enhancing the dynamic range of electronic projection systems are detailed. Included among the techniques are pre-modulation, luminance compensation, and partial luminance compensation. ... | 05/23/2006 |
| 7046221 | Increasing brightness in field-sequential color displays A display system includes a display panel having an array of pixels, the pixels having ON states and OFF states. The pixels form images by modulating light in a temporal sequence during an image frame in response to drive signals generated from incoming video data. ... | 05/16/2006 |
| 7042520 | Method for color saturation adjustment with saturation limitation A method for adjusting and limiting a color saturation level S of a color pixel of an input image includes steps of: obtaining a first chrominance value U and a second chrominance value V representing the color pixel of the input image; determining the color saturat... | 05/09/2006 |
| 7023606 | Micromirror array for projection TV In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 04/04/2006 |
| 7015980 | Color temperature conversion apparatus in color display system and method thereof An apparatus for converting color temperature in a color display system, and a method thereof. A first color temperature converting factor unit has a first color temperature converting factors for converting a first predetermined color temperature to a particular co... | 03/21/2006 |
| 7012731 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 03/14/2006 |
| 7006275 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 02/28/2006 |
| 6947060 | Image 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 |
| 6909463 | Camera having verification display and white-compensator and imaging method In a camera and method, a white-compensator propagates neutral light at a preset color temperature independent of a displayed electronic image. The camera has a body and an electronic imager disposed in the body. The imager generates an electronic image responsive t... | 06/21/2005 |
| 6906693 | Liquid crystal display device utilizing a light-admission window Image data that has been recorded on a memory card inserted into a digital still camera is read out. When a light-admission switch is turned on, an amount of correction suited outdoor use of the camera is set. A light-admission window opens so that the back side of ... | 06/14/2005 |
| 6710821 | White balance adjusting apparatus A white balance adjusting apparatus includes a test signal source 13 for generating a black signal for testing and a white signal for testing, a first impedance means 1 for converting currents flowing through three drive transistors for amplifying prim... | 03/23/2004 |
| 6580464 | Color difference signal correction apparatus The present invention provides a color difference signal correction apparatus for correcting color difference of parts having no color, particularly white characters, which can make the correction with high accuracy also for images including lightly color... | 06/17/2003 |
| 6556254 | Black and white level stabilization In a black and white level stabilization device, an OSD signal generator (OSD-SG) generates black and white reference signals (OSD-R/G/B), amplifying circuits (VA-R/G/B) amplify the black and white reference signals (OSD-R/G/B) or RGB signals (Ri, Gi, Bi)... | 04/29/2003 |
| 6529247 | Automatic white balance adjusting circuit in color image display A detector circuit detects a voltage corresponding to the leakage current that flows through the cathode electrode of a color display during a vertical blanking period of a video signal. The voltage detected is held in a first sample-and-hold circuit. Mea... | 03/04/2003 |
| 6437833 | Automatic white balance adjusting circuit in color image display A detector circuit detects a voltage corresponding to the leakage current that flows through the cathode electrode of a color display during a vertical blanking period of a video signal. The voltage detected is held in a first sample-and-hold circuit. Mea... | 08/20/2002 |
| 6429905 | Automatic white balance adjustment system An automatic white balance adjustment system including a color signal reproduction circuit having a white balance adjustment section, a picture tube drive circuit, a picture tube, a cathode voltage detection circuit, a storage circuit, and a control circu... | 08/06/2002 |
| 6400417 | Projection television with three-dimensional holographic screen and centered blue CRT for balanced CRT drive In a method for controlling color temperature a projection television having green, blue and red image projectors and a projection screen, holographically improving color shift performance of the screen results in an undesirable controlled input angle cha... | 06/04/2002 |
| 6292228 | Device and method for auto-adjustment of image condition in display using data representing both brightness or contrast and color temperature A device and method for automatically adjusting an image condition in a display is, disclosed. The present device and method optimizes the image condition of a display according to individual preferences by taking into account the brightness and color tem... | 09/18/2001 |
| 6288756 | Luminance correction circuit and video display monitor thereof A luminance correction circuit to correct areas of unevenness in luminance or color of a video image and smoothes gaps between correction blocks. The luminance correction circuit comprises a memory for storing correction data for correcting unevenness in ... | 09/11/2001 |
