Conversion device for performing a raster scan conversion...

Details Conversion device for performing a raster scan conversion... Conversion device for performing a raster scan conversion...

2005-06-17

2008-12-02

Couso, Jose L (Department: 2624)

Image analysis

Image compression or coding

Reexamination Certificate

active

07460718

ABSTRACT:
The conversion device includes an input for receiving data corresponding to an image to be displayed. The received data is in a JPEG decoder output data format A processor is included for reconstructing and writing the image to be displayed into the image memory, in a display module expected input data format. The bandwidth of the image memory is greater than one byte. The processor is fully hardwired and includes a first logic stage for writing the received data byte by byte into an intermediate memory at chosen addresses such that the written data form a sequence of data in the display module expected input data format, and a second logic stage for reading the written data in the intermediate memory, forming successive packets of read data having a size corresponding to the bandwidth, and successively writing the packets into the image memory at chosen addresses such that the written packets together form all the lines of the image.

REFERENCES:
patent: 5982443 (1999-11-01), Chung
patent: 6091778 (2000-07-01), Sporer et al.
patent: 6229571 (2001-05-01), Sato
patent: 7269295 (2007-09-01), Keshet et al.
patent: 2001/0017658 (2001-08-01), Kuroiwa
patent: 0 456 394 (1991-04-01), None

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