Scanner which can input various symbols to control operations

摘要

A scanner includes a housing, a control circuit positioned in the housing, the control circuit being used to control the operations of the scanner, a scanning module positioned in the housing and electrically connected to the control circuit, the scanning module being used to scan a document and generate associated document image signals, and an input device positioned on the housing and electrically connected to the control circuit, the input device being used to input proofreading symbols, alpha-numeric symbols, or special symbols to generate an associated input signal, the control circuit using the input signal to control the scanner.