×

Data processing apparatus for executing data processing using windows displayed on a display apparatus

  • US 5,758,111 A
  • Filed: 07/20/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 07/20/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A data processing apparatus connected to at least one input apparatus and a display apparatus and including a window control unit and a data processing unit executing data processing using one or more windows displayed on said display apparatus, and said window control unit comprising:

  • a first detecting unit detecting the presence of at least one window or the absence of any window displayed on said display apparatus;

    a first window generating unit, operatively connected to said first detecting unit, selectively providing a particular window for display on the display apparatus; and

    a first erasing unit, operatively connected to said first window generating unit, selectively erasing said particular window;

    wherein, when said first detecting unit detects no window on said display apparatus, said first window generating unit provides said particular window for display on said display apparatus and, when said first detecting unit detects any window except for said particular window, said first erasing unit erases a displayed said particular window from said display apparatus.

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