×

Display screen duplication system and method

  • US 5,990,852 A
  • Filed: 10/31/1996
  • Issued: 11/23/1999
  • Est. Priority Date: 10/31/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of transmitting display data from a first display to a second display, comprising:

  • segmenting the first display into predefined blocks, each block containing a plurality of pixels;

    calculating and storing first values, each representing all of the pixels in a corresponding block;

    calculating second values, each representing all of the pixels in the corresponding block, after passage of time during which the pixels may have changed; and

    transmitting changed blocks from the first display to the second display when the first and second values for the changed blocks are unequal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×