Image processing system

Details Image processing system Image processing system

1984-09-18

1988-09-06

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340731, 340814, G09G 116

Patent

active

047696400

ABSTRACT:
An image display apparatus uses a frame memory as an image data storage section for storing original data prior to image processing and a display memory for storing display image data. Image data transfer from the frame memory to the display memory is performed by a memory controller in accordance with a DMA (direct memory access) scheme. The image data transfer is performed through a data conversion memory which is programable under the control of a CPU, thereby performing data conversion as image processing. The data transfer by the memory controller is performed such that at least a desired part of the image data from the frame memory is transferred to the display memory through the data conversion memory in response to an address signal synchronized with a sync signal used for reading out the image data from the display memory and displaying the image data on a display unit.

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