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| Number | Title | Issue Date |
| 8077259 | Video signal converter, video display device, and video signal converting method When each value of luminance signals of three primary colors in the primary video signal is less than the output lower limit value, in short, when the gradation level is negative, the negative gradation level of the present primary color is, in accordance with its m... | 12/13/2011 |
| 7362342 | Driving apparatus and method for liquid crystal display A driving apparatus and apparatus for a liquid crystal display wherein an image format of an NTSC image signal can be selectively converted in response to an instruction of a user. In the apparatus, a liquid crystal display panel has liquid crystal cells arranged at... | 04/22/2008 |
| 7302021 | Digital broadcast receiving apparatus In a digital broadcast receiving apparatus for amplifying a received modulated digital signal wave with automatically adjusted gain and demodulating the modulated signal wave to a digital signal, a tuner frequency-converts the modulated digital signal wave to genera... | 11/27/2007 |
| 7281807 | Positionable projection display devices Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative positioning between the projection chamber and base. The base maintains... | 10/16/2007 |
| 7206025 | Device 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 |
| 7193656 | Line address computer for providing coefficients to a chroma filter Presented herein is a line address computer for providing chroma coefficients to a chroma filter. At each horizontal synchronization pulse, the line address computer provides a set of interpolation weights to a chroma filter. The chroma filter uses the provided set ... | 03/20/2007 |
| 7137890 | Modifying game image from wide to normal screen using moving or eye direction of character A game apparatus, a storage medium, a transmission medium and a program correspond to a normal screen and a wide screen. An image generation unit 150 comprises a wide image data generation unit 152, an image data conversion unit 160 and a render... | 11/21/2006 |
| 7126634 | Image processing system, image pickup apparatus and image processing apparatus The image processing system includes: an image pickup apparatus (10) including image pickup elements of a color difference line sequential system that outputs, as video signals, a luminance signal (Y) and a line sequential, color difference signal (U/V); and ... | 10/24/2006 |
| 7106353 | Image display apparatus and method of driving the same An image display apparatus includes an image signal generating unit for generating an image signal and an image display element for displaying an image on a screen according to the image signal inputted from the image signal generating unit. When the screen is divid... | 09/12/2006 |
| 7034886 | Video production switcher with integrated aspect ratio converter A video production switcher converts an aspect ratio through the use of an integrated aspect ratio converter. Additionally, by having both converted and native format signals input to a switcher processor, the effective number of inputs can be doubled. ... | 04/25/2006 |
| 6995780 | Picture convert apparatus A picture convert apparatus of the present invention includes a first element which inputs a first picture data and produces a second picture data consisting of a first black area, a second black area and an area consisting of the reduced number of lines of the firs... | 02/07/2006 |
| 6970205 | Display panel with aspect ratio of matrix-arrayed pixels set to predetermined value, and display device using such display panel A liquid crystal display device using an LCD panel made for display of computer output, wherein video signals of a predetermined television system are converted by a decoder into field-unit picture data, and frame-unit picture data obtained therefrom by a converter ... | 11/29/2005 |
| 6965414 | Apparatus for detecting telecine conversion method of video signal A telecine conversion method detecting apparatus which determines that an input video signal is a telecine converted video signal generated from a movie film in accordance with a 2-3 pull-down method when detecting that an inter-frame difference accumulated value of... | 11/15/2005 |
| 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 |
| 6864913 | Method and apparatus for a reconfigurable digital processor for film conversion A reconfigurable digital processor to improve efficiency and flexibility in film conversion applications is described. Analog signals corresponding to film images are digitized and provided to the reconfigurable digital processor. The reconfigurable digital processo... | 03/08/2005 |
| 6853385 | Video, audio and graphics decode, composite and display system A video, audio and graphics system uses multiple transport processors to receive in-band and out-of-band MPEG Transport streams, to perform PID and section filtering as well as DVB and DES decryption and to de-multiplex them. The system processes the PES into digita... | 02/08/2005 |
| 6836294 | Method of decreasing delay through frame based format converters An apparatus converts an input video signal having a first format into an output video signal having a second format. A formatter receives the first video signal and divides each field or frame into an active video top and bottom half. Two format converters receive ... | 12/28/2004 |
| 6750874 | Display device using single liquid crystal display panel A display device adopting a single liquid crystal display (LCD) panel, by which a decrement in luminance is reduced using only a single liquid crystal device, is provided. Accordingly, a degradation in color saturation due to an increase in luminance caused by the a... | 06/15/2004 |
| 6747671 | Video apparatus having function to change size of image and method thereof When an image is displayed on a display screen having a larger display area than a displayed image, a size of the displayed image is minutely changed cyclically in order to avoid boundary lines to be recognized when a full size image is displayed on the display scre... | 06/08/2004 |
| 6636187 | Display and method of driving the display capable of reducing current and power consumption without deteriorating quality of displayed images A display has a panel, and first and second electrodes. The first and second electrodes define a matrix of cells on the panel. The second electrodes, which correspond to lines of the cells, are scanned to select the cell lines one by one. The first electr... | 10/21/2003 |
| 6611294 | Method and device for converting number of frames of image signals The present invention provides a movement correction frame count transformation apparatus for carrying out frame count transformation processing on a picture signal. In the apparatus, an input picture signal (S1) of interlaced scanning is converted into a... | 08/26/2003 |
| 6611362 | Automatic book page turner for imaging As the individual pages of a book having a gutter and outside edge margins and being held at least partially open are being automatically sequentially turned over, in coordination therewith a flattening force is applied to the unimaged gutter margin areas... | 08/26/2003 |
| 6493023 | Method and apparatus for evaluating the visual quality of processed digital video sequences A Digital Video Quality (DVQ) apparatus and method that incorporate a model of human visual sensitivity to predict the visibility of artifacts. The DVQ method and apparatus are used for the evaluation of the visual quality of processed digital video seque... | 12/10/2002 |
| 6157365 | Method and apparatus for processing video and graphics data utilizing a higher sampling rate A method and apparatus for processing video data and graphics data with minimal visual differences is accomplished by retrieving the graphics data and the video data at a first clock rate. Having retrieved the video data, it is sampled at a second clock r... | 12/05/2000 |
| 5990959 | Method, system and product for direct rendering of video images to a video data stream A method, system and product are provided for direct rendering of video images to a compressed video data stream. The method includes generating encoded video data directly from an electronic graphic system, the encoded video data representing a full fram... | 11/23/1999 |
| 5914754 | Video signal aspect ratio conversion apparatus An aspect ratio converter converts the input aspect ratio of an input video signal to an output aspect ratio. The input video signal contains partial area information representing a portion of the input video signal which constitutes substantially all of ... | 06/22/1999 |
| 5835152 | Method of converting 4:2:0p/4:2:2p progressive scan data and converter A method for converting 4:2:0p serial data containing a first line multiplexing luminance data and color difference data and a second line multiplexing only luminance data in pairs into 4:2:2 interlaced data comprising steps of: demultiplexing 4:2:0p data... | 11/10/1998 |
| 5798948 | Method and apparatus for video filtering A method and apparatus for video filtering filters video frames by determining a set of frames to be used to generate a single filtered frame. This set of frames is then combined to generate a single combined image. In one embodiment, proportions of the l... | 08/25/1998 |
| 5754249 | Interlaced image synchronization method for field sequential display A method for the conversion of conventional interlaced video display synchronization signals to those required for a field sequential color display interlaced video synchronization signals comprises the steps of receiving the conventional horizontal and v... | 05/19/1998 |
| 5528380 | Apparatus and method for synchronizing picture signals An apparatus for synchronizing a plurality of signals forming a picture signal is provided. The plurality of signals include at least two types of signals, each having a predetermined time unit. The two types of signals are alternately outputted. The appa... | 06/18/1996 |
| 5500740 | Video signal processing with common delay line for luminance interpolation and color conversion A video signal reproducing apparatus for reproducing a video signal recorded on a magnetic recording medium includes a modulating circuit for receiving a color-difference line-sequential signal and modulating the color-difference line-sequential signal at... | 03/19/1996 |
| 5469218 | Image signal processing device with conversion of sample frequency of digital color-difference data signals An image signal processing device according to this invention is a device for processing an image signal. The device is arranged to input digital data corresponding to two kinds of color-difference signals in synchronism with a clock signal corresponding ... | 11/21/1995 |
| 5455628 | Converter to convert a computer graphics signal to an interlaced video signal A converter receives a computer graphics signal from a PC and provides from it a video signal for display or recording. Analogue RGB signals are digitised and applied to a vertical filter and rate buffer. The rate buffer needs only one to three lines of s... | 10/03/1995 |
| 5119176 | System and method for direct digital conversion of digital component video signals to NTSC signal A system directly converts digital video component signals to NTSC signal format. The system includes a digital filter which receives digital samples of the video component signal. Coefficients are stored in memory and applied to the taps of the digital f... | 06/02/1992 |
| 5093714 | Video signal processing apparatus A video signal processing apparatus is arranged to obtain, in reproducing a video signal including color difference line sequential signals, the concurrence of color difference signals for each of odd-number and even-number fields by using both the color ... | 03/03/1992 |
| 4992852 | Circuit with a comb filter for causing color difference signals to coincide on each scanning line A circuit for producing a chroma signal which includes both of a first and a second color difference signal on each of scanning lines in response to a line-sequential color difference signal in which a first and a second color difference signal appear alt... | 02/12/1991 |
| 4797883 | Encoding or decoding circuit for time division multiplex and simultaneous signals A circuit includes shift registers (SR1, SR2, SR3) having different write and read rates under the control of clock pulses of different frequencies so that they form part of a signal compression or signal expansion circuit for encoding from simultaneous s... | 01/10/1989 |
| 4660071 | Conversion of line sequential television color signal to simultaneous signals by alternating carrier phase injection A method for converting line sequential color signal to simultaneous signal is attained by selecting two color signals alternately every one horizontal scanning period. The color signals are applied to a balanced modulator. Two carriers with different pha... | 04/21/1987 |
| 4605951 | Apparatus for converting field video signals into frame video signals An apparatus for converting field video signals into frame video signals includes a modulation circuit for modulating a chrominance subcarrier with a color signal contained in a field video signal, a signal composing circuit for combining the modulated su... | 08/12/1986 |
| 4335393 | Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality Conventional composite color video signals are re-formatted into a compressed serial format on a line-by-line basis, by sampling the luminance and chrominance components at a predetermined sampling rate and serially arranging the sampled components on a l... | 06/15/1982 |
