Scanner having scanning scope determining unit

摘要

The present invention relates to a scanner with a real-time image auto-cutting function. The scanner (400) includes a positioning element (401), a scanning scope determining unit (407) and a scanning unit (406). The scanning scope determining unit (407) is configured on the positioning element (401), has a specific pattern and is provided to determine a scanning scope. The scanning unit scans the specific pattern to determine the scanning scope.