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Drawing management device having ability to retrieve and display a desired amount of data within a desired display time

  • US RE42,414 E1
  • Filed: 09/25/1997
  • Issued: 05/31/2011
  • Est. Priority Date: 11/30/1990
  • Status: Expired due to Term
First Claim
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1. A drawing management and display device for displaying digital information of a system drawing, showing an entire system having a plurality of information items, within a desired display time, said drawing management and display device comprising:

  • a means for referencinga reference unit configured to;

    reference a total display time required for displaying said system drawing, for determiningdetermine a plurality of different display time priority levels each having a different display time which is shorter than said total display time, and for storingstore said system drawing as a plurality of sub-drawings each representing the same area of said system drawing and having a different number of said plurality of information items which make up said entire system such that display of each of said sub-drawings can be accomplished within a different said different display time, said sub-drawings being stored with respective priorities each of which represents an ability to display the sub-drawing within a different said different display time;

    a selective display designating means for automatically selecting unit configured to automatically select one of said sub-drawings stored in the storing means on the on a basis of the priority thereof in order to accomplish display within said desired display time; and

    a means for displayinga display unit configured to display selected said sub-drawings within said desired display time in response to said selecting operation of said selective display designating meansdesignating unit.

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