Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 29, 2006
Patent Application Number
09286117
Date Filed
April 2, 1999
Patent Primary Examiner
Patent abstract
The invention realtes to a film scanner comprising a frame sensor (4) for picking up film frames, and a scanning device (13) at least for scanning a sprocket hole associated with a film frame. To determine the position of a sprocket hole, the film scanner comprises an evaluation device (25) which is provided to determine, in given areas, edge positions in a measuring frame supplied by the scanning device (13), form lines from the determined edge positions and determine the deviation of the center of the sprocket hole from a reference center.
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