DISTANCE DETECTION DEVICE, READING DEVICE INCLUDING DISTANCE DETECTION DEVICE, DISTANCE DETECTION METHOD, AND DISTANCE DETECTION PROGRAM

• Main Author: ASHIURA ATSUSHI
• Format: Patent
• Language: English; Japanese
• Published: 08.12.2014
• Subjects: CALCULATING; COMPUTING; COUNTING; HANDLING RECORD CARRIERS; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS; TESTING

PROBLEM TO BE SOLVED: To eliminate the need to incorporate a module dedicated to distance measurement and prevent reading of a barcode located at an unexpected distance.SOLUTION: A distance detection device performs predetermined processing on the basis of a result of first frequency analysis to ima...