Video signal conversion apparatus having a common frame memory f

Details Video signal conversion apparatus having a common frame memory f Video signal conversion apparatus having a common frame memory f

1995-08-09

1997-10-21

Peng, John K.

Television

Format conversion

348714, 348759, 348598, H04N 701

Patent

active

056801750

ABSTRACT:
An image composing and displaying apparatus includes frame memory constituent elements of an identical structure, a video input portion, a video output portion, a controller for selecting connection of each element to the video input or output portion, and an image drawing portion for reading and writing video data from and in the memory elements. The memory elements can be used for the input and output operations and hence the size thereof can be easily expanded; moreover, the numbers of the elements respectively connected to the video input and output portions can be adaptively varied.

REFERENCES:
patent: 4485402 (1984-11-01), Searby

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