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Image information control apparatus and display system

  • US 5,726,675 A
  • Filed: 07/20/1994
  • Issued: 03/10/1998
  • Est. Priority Date: 06/27/1990
  • Status: Expired due to Fees
First Claim
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1. A display apparatus, comprising:

  • a display panel with a memory function having a driving control means; and

    an image information control means for performing partial writing to a VRAM, whereinrewrites in at least two windows are executed by non-interlace scannings for only scanning lines corresponding to the windows, rewrite datas in the two windows are independently sampled and stocked, and when the two samplings have different frequencies, the rewrite based on rewrite data of one window with a later sampling frequency is preferentially executed, while the rewrite based on rewrite data of the other window with a faster sampling frequency is skipped during the preferentially executed rewrite.

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