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Patent No. 6650315

Mouse device with a built-in printer

A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.

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Class 348/628 - Vertical transition


Subclass of Class 348 - Television
Definition: Subject matter wherein the transition is between pixels
No. of patents: 76
Last issue date: 01/15/2008


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NumberTitleIssue Date
7319496Signal processing apparatus, image display apparatus and signal processing method
There is provided a signal processing apparatus comprises an edge amount detection portion for generating a data string of luminance differences of a pair of pixels adjacent to each other or adjacent over some pixels in predetermined number of frames of a luminance ...
01/15/2008
7268821Upconversion with noise constrained diagonal enhancement
A method of interpolating a given output pixel value when upconverting interlaced video to progressive video includes the step of determining averages for vertically adjacent pixels, left diagonally adjacent pixels, and right diagonally adjacent pixels respectively ...
09/11/2007
7221404Video signal processing method and device
To enable a satisfactory suppression of overemphasized component after converting the number of scanning lines of video signal, when the video signal is converted in the number of scanning lines and a high-frequency component at least in a vertical direction of the ...
05/22/2007
7180421Radio frequency tag and reader with asymmetric communication bandwidth
An asymmetric bandwidth communication system enables wireless communication between interrogators/readers and transponders/tags. A transponder transmits TDCIR (Time Domain Carrierless Impulse Radio) signals in the uplink direction and receives non-TDCIR signals, suc...
02/20/2007
7161636Vertical sharpness adjustment device and TV receiver therewith
A vertical sharpness adjustment device with which a viewer of a TV receiver can choose a degree of vertical sharpness adjustment to enhance a contour of a picture in vertical direction is offered. The vertical sharpness adjustment device includes a terminal to which...
01/09/2007
7158668Image processing using linear light values and other image processing improvements
Strategies are described for processing image information in a linear form to reduce the amount of artifacts (compared to processing the data in nonlinear form). Exemplary types of processing operations can include, scaling, compositing, alpha-blending, edge detecti...
01/02/2007
7119854Method for deriving an objective sharpness metric
A method is provided for deriving an objective sharpness metric for objectively determining the level of image sharpness of many and unspecific images having different degrees of sharpness. The method for deriving the objective sharpness metric utilizes sub-band fre...
10/10/2006
7068320Image processing circuit, image display device, and an image processing method
The present invention is arranged such that interlace image data, which has been supplied, is converted to progressive image data in an I/P conversion section, and the image data converted to progressive style in the I/P conversion section is subjected to image proc...
06/27/2006
7068325Video signal processor and video signal processing method
The present invention relates to a video signal processing device for avoiding a phenomenon that noise is upwardly or downwardly shifted due to noise reducing operation when a non-standard signal is input. When a non-standard signal is input as an input video signal...
06/27/2006
7006147Method and system for MPEG chroma de-interlacing
A method (300) of converting interlaced Moving Picture Experts Group (MPEG) video signals to progressive video signals can include receiving an interlaced video signal representing a luma component specifying luma lines and a chroma component specifying chrom...
02/28/2006
6980258Method and circuit for emphasizing contour
More natural contour emphasizing processing is performed by detecting the direction of a contour with respect to a point where horizontal and vertical contours cross and a diagonal contour point. The times of an objective pixel and all the pixels adjacent to the obj...
12/27/2005
6947060Image 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
6864923Edge correction circuit
In an edge correcting circuit of an image to be represented by a digitized image signal, a high-frequency signal extracting circuit (5) extracts a high-frequency signal of the image by calculation based on a signal of a target pixel, a signal of a pixel shift...
03/08/2005
6590617Edge emphasis device, image forming apparatus, image signal processing method, and image forming method
This invention can suppress overshoot/undershoot, and can maintain the improvement effect of the leading edge of an edge portion. For this purpose, a second derivative signal generator (1) generates a second derivative signal (s5) on the basis of time-ser...
07/08/2003
6424383Apparatus for correcting vertical contours
An object is to provide a vertical contour correcting device for a video signal which reduces noise without deteriorating effect of the entire contour correction. A vertical contour correcting device (VCP1) which corrects vertical contour components (S1v,...
07/23/2002
6330038Video sharpness control device and method
A method and device for enhancing the sharpness of a video image. The luminance signal portion of a television signal is boosted in its upper frequency range, e.g., between about 2.0 MHz and about 4.25 MHz. This enhancement of the luminance signal accentu...
12/11/2001
5940141Nonlinear vertical bandwidth expansion of video signals
(1) The analog or digital components (such as RGB, Y/I/Q, Y/U/V, Y/R-Y/B-Y, Y/Cr/Cb, etc.) of a compatible standard-bandwidth 2-1 interlaced television signal, an analog signal, such as a standard NTSC or PAL television signal or a standard format digital...
08/17/1999
5917554Picture signal processing apparatus
A picture signal processing device for processing picture signals for displaying e.g., an enlarged picture, a contracted picture or a still picture. The picture signal processing device includes a motion detection unit for comparing the picture signal lev...
06/29/1999
5739870Math engine for generating font gradients
A interpolation engine is disclosed that is capable of generating correction signals for segments of a monitor that form a gradient that eliminates any visual discontinuities between segments on the screen. In one embodiment, a starting count number for a...
04/14/1998
5635991Color signal processing system for a color television receiver
A color signal processing system for a color television receiver which can improve the transition characteristic of a color difference signal, using the transition region of a luminance signal. The system includes a differentiator for differentiating the ...
06/03/1997
5581306Vertical scaling for digital image data with aperture correction
A method of improving the sharpness of horizontal edges of an image that has been vertically scaled. The scaled signal, which represents a series of pixel values, is used to derive an aperture correction value (41-46), which is determined by the scaling r...
12/03/1996
5581305Automatic picture quality compensating method and apparatus
An automatic picture quality compensating method and apparatus employs a fuzzy theory to entirely analyze three components of brightness and sharpness of the picture image and signal-to-noise ratio in order to achieve an optimal profile compensation of th...
12/03/1996
5561473Contour correction signal generating circuit
A vertical contour correcting circuit that provides contour correction of a luminance signal at a horizontal color transition area of an image, thereby minimizing dot interference at the color transition area of a reproduced image. The vertical contour co...
10/01/1996
5526060Luma/chroma decoder with demodulated control signal
A decoder that provides simultaneous horizontal scanning lines for digital color video, and then band splits each line into high and low frequency signals using low pass filters and subtractors to subtract the low frequency signals from the source video. ...
06/11/1996
5467145Circuitry for enhancing detail in color video signals
In video signal processing circuitry detail enhancement is done on each of three color channels in response to the detail information, the enhancement of the detail in each color channel being done in reliance on separated high-spatial-frequency informati...
11/14/1995
5446503Vertical detail enhancement with stepped return coring
In the digital processing of video signals, a vertical detail enhancement system is provided that has a transfer characteristic with a transitional region between a coring region and an active region split into three steps. The slopes of the first, second...
08/29/1995
5430499Apparatus for correcting vertical aperture of an image
An apparatus for correcting a vertical aperture of an image generates a vertical aperture correction signal having no line pair component contained therein from a signal read out at every frame from an imaging apparatus using an imaging device of pixel mi...
07/04/1995
5384602Device for the filtering of a video signal
To filter a signal delivered in interleaved form, there is provision for the introduction, in series, of a filter on half frames having a bandpass transfer function on the horizontal plane and a high-pass transfer function on the vertical plane. It is sho...
01/24/1995
5363140Video signal conversion system with a vertical enhancement circuit
A picture signal processing circuit is composed of a picture memory, such as a field memory, having one input port for receiving an input picture signal and two distinct and independent output ports; a timing control circuit is designed to control the res...
11/08/1994
5327228System for improving the quality of television pictures using rule based dynamic control
A system and method for automatically improving the picture quality of television or other video based images, based upon picture content, using improved rule based picture analysis and compensation techniques. The distribution of facial and non-facial to...
07/05/1994
5268758Horizontal line interpolation circuit and image pickup apparatus including it
An image pickup apparatus includes an image sensor for simultaneously reading signals of adjoining two horizontal pixel rows by one-time horizontal scan; an electronic zoom circuit for enlargement-processing an output signal of the image sensor; an operat...
12/07/1993
5231497Method of interpolating one video image field to create an interlaced image field
A method of image data interpolation for obtaining an interlaced image signal by utilizing an image signal of only one field. The method includes the steps of obtaining another field signal by directly utilizing a given field signal or by employing a mean...
07/27/1993
5227883Method and apparatus for motion aperture correction
A method and apparatus for deriving a motion aperture signal that is added to a video signal to cause amplification of the high frequencies of the video signal during movement is disclosed. This method and apparatus operates with an interlaced scan televi...
07/13/1993
5170248Motion-adaptive vertical contour compensator in television set
A motion-adaptive vertical contour compensator having a receiver for an ID (Improved Definition) system, a color signal processing stage, a motion-detector, a matrix and a vertical contour compensating circuit, wherein the vertical contour compensating ci...
12/08/1992
5150214Method and circuit for correction of horizontal edges
A circuit for correcting horizontal edges in a digital image signal processing system, includes: three filtering circuits for filtering an input luminance signal to obtain a low frequency component, a medium frequency component and a high frequency compon...
09/22/1992
4980755Circuit for enhancing a color difference signal by utilizing the change of a luminance signal
An enhancing circuit wherein a color difference signal (b) is enhanced by utilizing the change of a luminance signal (a). The luminance signal (a) is sent, via a low-pass filter (2), a first delay circuit (3), a first differentiation circuit (4), a detect...
12/25/1990
4967263Widescreen television signal processor system with interpolator for reducing artifacts
An NTSC compatible widescreen EDTV system encodes a television signal via a process including intraframe averaging of mutually exclusive successive paired groups of image pixels above a given frequency. At a decoder, intraframe averaged luminance image in...
10/30/1990
4931858Waveform improving apparatus
A waveform improving apparatus improves the contour of a waveform of a first signal which has a reduced frequency band by using a control signal generated from a second signal which has a correlation to the first signal. A waveform adjusting circuit incre...
06/05/1990
4912551Circuit for enhancing a color difference signal by utilizing the change of a luminance signal
An enhancing circuit wherein a color difference signal (b) is enhanced by utilizing the change of a luminance siganal (a). The luminance signal (a) is sent, via a low-pass filter (2), a first delay circuit (3), a first differentiation circuit (4), a detec...
03/27/1990
4882628Amplitude characteristics of TV vertical frequency signal
A amplitude characteristics of TV vertical frequency signal is improved by operating amplitudes of luminance signal obtained from a horizontal scan in a field and luminance signals obtained from a preceding and a subsequent horizontal scans in the same fi...
11/21/1989
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