IP Innovation L.L.C. and Technology Licensing Corporation (collectively, "Plaintiffs") have brought a patent-infringement action against Red Hat, Inc., and Novell, Inc., alleging infringement of U.S. Patent Numbers 5,072,412; 5,533,183; and 5,394,521. The patents concern a user interface that has multiple workspaces. The Plaintiffs' complaint identifies as accused products "Red Hat Linux system," the "Novell Suse Linux Enterprise Desktop," and the "Novell Suse Linux Enterprise Server."

WHAT'S NEEDED: REQUEST FOR INFORMATION

Prior Art

Publications Published Prior to March 25, 1987

February 13th, 2009

This patent application was filed on March 25, 1987. Publications can include any form of printed or electronic publication that discusses one or more elements of the claim of the patent.
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COMMENTS

  1. Fuzzy, February 15th, 2009 at 05:54 PM
    The Blit (aka 5620 terminal) - http://en.wikipedia.org/wiki/Blit_(computer_terminal) was described in a paper from 1983 - http://doc.cat-v.org/bell_labs/blit/
  2. alan buxey, February 16th, 2009 at 05:58 PM
    interesting name. one of the coprocessors in the Amiga was called The Blitter - and its sole job was to move images from one part of RAM to another - BLock Image Transfer. in the Amigas case, with planar graphics, it could shift eg sprites from one workspace to another and was used extensively in the draggable screens/multiple workbench environment.
  3. Fuzzy, February 17th, 2009 at 03:54 AM
    Learning Considerations in User Interface Design: The Room Model (Report CS-84-16). July 1984. http://www.cs.uwaterloo.ca/research/tr/1984/CS-84-16.pdf
  4. Vadim Lebedev, February 18th, 2009 at 02:03 AM
    Publications about MVC - Model/View/Controller GUI paradigme inevented by XEROX PARC people in 70ies and used for Smalltalk environment. The publication dates at 1979.

    http://heim.ifi.uio.no/~trygver/themes/mvc/mvc-index.html
  5. Jim Capp, March 4th, 2009 at 04:31 AM
    “As We May Think” was written by Vannevar Bush and published in The Atlantic Monthly and Life Magazine in 1945. In it, Bush describes a futuristic device having multiple viewing “screens”, analogous to modern day workspaces. That the concept of multiple “viewing positions” was considered more than sixty (60) years ago, a “user interface with multiple workspaces for sharing display system objects” is obvious and does not warrant the protection associated with novel ideas.

    Here is a link to the article: http://www.theatlantic.com/doc/194507/bush

    Excerpt: Consider a future device for individual use, which is a sort of mechanized private file and library. It needs a name, and to coin one at random, ``memex'' will do. A memex is a device in which an individual stores all his books, records, and communications, and
    which is mechanized so that it may be consulted with exceeding speed and flexibility. It is an enlarged intimate supplement to his memory. It consists of a desk, and while it can presumably be operated from a distance, it is primarily the piece of furniture at which he works. On the top are slanting translucent screens, on which material can be projected for convenient reading.

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