Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7310119 | Adaptive circuit for Y-C separation An adaptive circuit and method for separating luminance and chrominance components from a composite video signal by deriving three input lines from the composite video signal, determining whether any luminance similarity exists among the three input lines, and then ... | 12/18/2007 |
| 7227587 | System and method for three dimensional comb filtering A system and method for determining whether to process a signal using three-dimensional comb filtering. Various aspects of the present invention may comprise method steps and system components that generate an inter-frame chroma signal. Various aspects may generate ... | 06/05/2007 |
| 7167213 | Comb filter design for separating luminance and chrominance in video signals Provided are decoding methods and decoders for calculating comb filter error and performing comb filter calculation used for decoding video signals. In one aspect, a method of calculating comb filter error used for decoding a video signal comprises storing a plurali... | 01/23/2007 |
| 7084928 | Video signal processing device and method An oblique correlation detection section detects correlation in an oblique direction (oblique correlation) of a composite video signal. A line correlation chrominance separation section extracts a first chrominance signal from the composite video signal based on ver... | 08/01/2006 |
| 7061546 | Arrangement for processing video signals An arrangement for processing video signals comprises at least one linear filter and at least one non-linear filter with inputs for an input signal and selection means for receiving output signals of the at least one linear and of the at least one non-linear filter ... | 06/13/2006 |
| 7046306 | Processing a video signal using motion estimation to separate luminance information from chrominance information in the video signal In one embodiment, a method for processing a video signal includes: (1) receiving and storing luminance and chrominance information for each pixel in a first portion of the signal; (2) receiving luminance and chrominance information for each pixel in a second portio... | 05/16/2006 |
| 6999130 | Luminance signal/chrominance signal separation device, and luminance signal/chrominance signal separation method A luminance signal/chrominance signal separation apparatus is provided with a detector for detecting diagonal components of a luminance signal from a composite video signal, wide-band pass filters, and narrow-band pass filters, wherein band pass filters to be connec... | 02/14/2006 |
| 6950149 | Comb filter and a video apparatus An adaptive comb filter small in circuit scale and simple in circuit constitution is provided. The frequency band component of chrominance signal is extracted from a composite color video signal by a bandpass filter. The extracted chrominance signal is delay by a de... | 09/27/2005 |
| 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 |
| 6914638 | Three-dimensional enhancement processing for television broadcasting signals A method and an apparatus of decoding a television broadcasting signal are disclosed. In one embodiment, an improved video decoder converts the video signal into a digitized video signal. The improved video decoder then separates luminance information and chrominanc... | 07/05/2005 |
| 6900848 | Crosstalk reduction in a video signal selector A video signal input selector is subject to cross coupling between selectable video signals. The input selector comprises a video amplifier coupled to amplify a video signal selected from said selectable video signals. A controllable switch has first and second elem... | 05/31/2005 |
| 6809778 | Apparatus and method for YC separation and three-line correlation detection Disclosed are an apparatus and a method for YC separation and three-line correlation detection with high accuracy, which allow the YC separator to generate reliable Y signals. The correlation detecting apparatus includes a sub-correlation detector. The detector chec... | 10/26/2004 |
| 6496227 | System with chrominance delay lines A system with chrominance delay lines has a first sampled channel including at least one smoothing filter, and has a second unsampled channel. A continuous bypass filter is placed in the second channel to balance the pulse response from these two channels... | 12/17/2002 |
| 6188445 | Luminance signal and chrominance signal correlation detection and separation circuit In a signal processing circuit for separating a color video signal into a luminance signal and a chrominance signal, whether the correlation relating to the high frequency component of luminance signal and chrominance signal of color video input signal is... | 02/13/2001 |
| 5959695 | 2-line YC separation device A 2-line YC separation device reduces the number of delay circuits used for horizontal scanning time delay and minimizing arithmetic operation errors of comb-line filters. The device comprises a first delay circuit for delaying an input video signal for a... | 09/28/1999 |
| 5838299 | RGB/YUV video convolution system An apparatus and a method are provided for smoothing out high frequency information in an interlaced computer generated display. A computer generated RGB signal is converted into a YUV signal, which is separated into its Y, U, and V components. The Y comp... | 11/17/1998 |
| 5835729 | Circuit to separate and combine color space component data of a video image A method and arrangement for separating interleaved luminance and chrominance color space components data in a single data stream with minimum CPU intervention is provided. In the separating circuit, the separating circuit receives as input a series of gr... | 11/10/1998 |
| 5534947 | Advanced comb filter A method of determining a chrominance element for pixel signals of an optical image for a 1H delay circuit. The pixel signal(s) are first filtered through a band-pass filter to remove low frequency luminance components and a part of the filtered signal is... | 07/09/1996 |
| 5530486 | Apparatus and method for separating luminance and color signals from input video signal An apparatus and a method for separating luminance and color signals from an input video signal. The apparatus comprises a color signal detector for filtering the input video signal at horizontal, vertical and two-dimensional regions to detect respective ... | 06/25/1996 |
| 5517255 | Luminance/chrominance separating filter In a YC separating filter, a first horizontal chrominance extraction filter extracts frequency components corresponding to components of a color subcarrier in a horizontal direction to produce a first chrominance signal, a vertical chrominance extraction ... | 05/14/1996 |
| 5500686 | Motion adaptive luminance signal/chrominance signal separation filter A filter for motion adaptive Y/C separation, which is capable of obtaining image of high resolution and little picture quality degradation in the case where an image is switched from static one to motion one or vice-versa, is provided with a filter for ex... | 03/19/1996 |
| 5426469 | Video signal processor for removing a separated signal component from an input video signal A video signal processor is used in connection with a television set or similar apparatus for processing a video signal input for every horizontal line period. A video signal is processed by operations such as comparison and addition of a video signal, a ... | 06/20/1995 |
| 5422679 | Video signal processor for removing a separated signal component from an input video signal A video signal processor is used in connection with a television set or similar apparatus for processing a video signal input for every horizontal line period. A video signal is processed by operations such as comparison and addition of a video signal, a ... | 06/06/1995 |
| 5416531 | Brightness signal/color signal separating filter including image correction judging circuit A brightness signal/color signal separating filter. Non-correlative energies are extracted in various combinations of the horizontal scanning direction, the vertical scanning direction, a brightness signal and a color signal so as to judge the degree of v... | 05/16/1995 |
| 5392075 | Brightness signal/color signal separation A brightness signal/color signal separating filter. Non-correlative energies are extracted in various combinations of the horizontal scanning direction, the vertical scanning direction, a brightness signal and a color signal so as to judge the degree of v... | 02/21/1995 |
| 5355177 | Luminance/color signal separation apparatus A luminance/color signal separation apparatus comprising an analog/digital converter for converting a composite video signal inputted therein into a digital composite video signal, an adjacent signal detection circuit for detecting from the composite vide... | 10/11/1994 |
| 5335021 | Logical comb filter and chroma signal separation circuit A logical comb filter comprises a first delay circuit receiving an input composite video signal called a succeeding signal for delaying the received succeeding signal by one scan line period so as to output a main signal composed of the delayed succeeding... | 08/02/1994 |
| 5317648 | Process for extracting a particular color image of an object and a color processing device therefor A color image processing system includes a color television camera monitoring an object to provide a video signal comprising three primary color components, and a color determination section which defines particular hue, chroma, and brightness regions. Th... | 05/31/1994 |
| 5264922 | Logical comb filter A logical comb filter comprising a logic decision section for making logical decisions on the selection of signals and a signal generating section for generating signals to be selected according to the logical decisions made by the logic decision section.... | 11/23/1993 |
| 5206715 | Circuit for separating luminance and chrominance signals A circuit for separating the luminance signal and chrominance signal from a composite video signal in a digital signal processing system using adaptive 2H comb filters. The circuit according to the present invention generates luminance difference signals,... | 04/27/1993 |
| 5103297 | Apparatus for carrying out Y/C separation An apparatus for carrying out the Y/C separation of a composite color video signal used in a television receiver, a video cassette recorder and other and for carrying out the Y/C separation of various signals superposed on the video signal in the vertical... | 04/07/1992 |
| 5099314 | Luminance signal/color signal separation circuit A luminance signal/color signal separation circuit comprises a bandpass filter which separates a first color signal partially including a luminance signal component from a composite image signal, a delay circuit which delays the first color signal to obta... | 03/24/1992 |
| 5047840 | Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter A luminance signal/chrominance signal separating circuit comprises a 3 line logical comb filter for Y/C separation. The output of the vertical correlator of the 3 line logical comb filter comprises chrominance signal components and non-correlation compone... | 09/10/1991 |
| 5014118 | Luminance signal processing circuit using 3 line logical comb filter A luminance signal processing circuit of a VCR functions as a non-correlation component enhancement circuit during recording, and as a line correlation noise reduction circuit during reproduction. The luminance signal processing circuit enhances the non-c... | 05/07/1991 |
| 5001553 | Luminance signal/color signal separation circuit A luminance signal/color signal separation circuit includes a band-pass filter for picking up a color signal from a composite image signal; a delay circuit for sequentially delaying by one line the color signal picked up by the band-pass filter and obtain... | 03/19/1991 |
| 4994906 | Digital luminance/chrominance separation apparatus A luminance and chrominance signal separator includes a linear and a non-linear type vertical comb filters which receives a digital composite video signal having the luminance and chrominance signal. The linear and the non-linear type vertical comb filter... | 02/19/1991 |
| 4984069 | YC separator for video signal processing circuit In a YC separator for generating a chrominance signal C including no chrominance separation error by selecting a second highest potential signal of the first chrominance signal a, the second chrominance signal c' including a separation error and a referen... | 01/08/1991 |
| 4980737 | Luminance signal and chrominance signal separating circuit In this invention, by using first and second 1H delay means, first to third band pass means near 3.58 MHH, first to third polarity inverting means, first to fifth adding means and first to third intermediate value detecting circuits, from a com... | 12/25/1990 |
| 4920408 | Circuit for separating composite color television signal into luminance signal and chrominance signal A composite color television signal is delayed one horizontal line period by a first 1H-delay circuit and then applied to a first intermediate value circuit via a first bandpass filter for passing frequency components in the vicinity of the color subcarri... | 04/24/1990 |
| 4916527 | Luminance signal/color signal separation circuit A luminance signal/color signal separation circuit comprises a color signal separation circuit for obtaining a first color signal partially including luminance signal component from a composite image signal, a computation circuit for obtaining a second co... | 04/10/1990 |
