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Class 348/490 - Field or frame sequential systems


Subclass of Class 348 - Television
Definition: Subject matter wherein signals are transmitted sequentially
No. of patents: 9
Last issue date: 04/22/2008


NumberTitleIssue Date
7362337Method and apparatus for adjusting size of image
A method for transforming an original image to a new image is provided. The original image includes M rows of original data; the new image includes Q rows of new data. The method first generates a (2i−1)th row and a (2i)th row of intermediate data respectively bas...
04/22/2008
7319449Image display apparatus and image display method
An aspect of the invention provides an image display apparatus that displays a plurality of input pixels which form input image data on a display section. In that case, each input pixel can be displayed in such a manner that display pixels having gradation values di...
01/15/2008
7295173Image display method
An image display method including dividing an original image for one frame period into a plurality of subfield images, arranging the subfield images in a direction of a time axis in an order of brightness of the subfield images, and displaying the arranged subfield ...
11/13/2007
7042518Digitally controlled variable frequency HF emphasis circuit for use in video displays
A sharpness filter processes a video signal that is to be displayed in a windowed environment. The windowed environment may contain windows that for displaying television images derived from video standards such as NTSC, PAL, and SECAM. Displaying windowed televisio...
05/09/2006
7004604Sequential color display device including light shading means
A projection display device includes a condensing unit and a shading unit. The condensing unit condenses light emitted from a light source to form a condensed spot on a color wheel. The shading unit, when a size of the condensed spot on the color wheel has increased...
02/28/2006
6970148Image display method
An image display method including dividing an original image for one frame period into a plurality of subfield images, arranging the subfield images in a direction of a time axis in an order of brightness of the subfield images, and displaying the arranged subfield ...
11/29/2005
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
5267039Method and apparatus for processing, recording and retrieving a plurality of coded video signals
In a method and apparatus for coding, processing and retrieving a signal, a plurality of transmitters each including a television camera, generate composite video signals each superposed with an allotted identification code through a transmission line. A ...
11/30/1993
4780756Apparatus for producing a hard copy of a color picture from either a field or a frame of luminance and line-sequential color difference video signals
A hard copy of a picture is produced from a single field of video signals representing the picture. A single field of luminance and line-sequential color difference video signals representing a picture is entered to a signal converter to be converted into...
10/25/1988
 
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