Method and apparatus for locating items on a physical document and method for creating a geographical link from an electronic document to the physical document
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United States of America Patent
Stats
-
Dec 30, 2008
Grant Date -
Apr 25, 2002
app pub date -
Jun 26, 2001
filing date -
Aug 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for locating items on a physical document and a method for creating a geographical link from an electronic document to the physical document. The geographical link is created by encoding, in a geographic link to the physical document, geographic coordinates of a referenced item in the electronic document. The electronic document is not derived from the physical document. Locating items on the physical document includes calibrating an opto-touch foil that is aligned on the physical document, including processing a calibration location included in locations appearing in the physical document and referred to in the electronic document. For each location, foil coordinates of the opto-touch foil corresponding to where each location appears in the physical document are computed utilizing geographic coordinates of each location and a generated calibration relationship between the geographic coordinates of the calibration location and calibration foil coordinates of the opto-touch foil.
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