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Class 84/90 - With keys


Subclass of Class 84 - Music
Definition: Pneumatic organs with both automatic and key control.
No. of patents: 1
Last issue date: 01/22/2002


NumberTitleIssue Date
6340961Method and apparatus for displaying moving images while correcting false moving image contours
When gradation data of a present frame is corrected in combination with gradation data of a preceding frame for each display pixel, the level of correction is controlled according to a predetermined dispersion pattern corresponding to a matrix of pixels o...
01/22/2002
 
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