Method and apparatus for controlling the display of hierarchical information
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Apr 2, 1998
filing date -
Apr 2, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of the invention display hierarchical information efficiently. Hierarchical information is displayed in a vertical browser comprising a path list and a choices list. A choices list displays selection choices at a given hierarchical level. When a selection is made in the choices list, the selection is displayed in the path list. The choices list is updated to reflect the next hierarchical level. The path list displays a plurality of choices that represent the traversal path through the hierarchical information. Backwards traversal is possible by selecting an entry in the path list. The path list is updated to remove the selected entry and any successive entry. The hierarchical level that contains the path list entry is displayed in the choices list. The path and choices list can be independently sized and are automatically maintained to remove irrelevant information.
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