Paper sheet processing device and paper sheet processing method

A paper sheet handling device, comprising:

• a paper sheet detection device arranged on a transport path for transporting a paper sheet and configured to detect the paper sheet, and
• a handling unit configured to perform handling related to the paper sheet based on the time when the paper sheet detection device detects an end of the paper sheet,
• wherein
• the paper sheet detection device includes a mechanical detection sensor including
• at least a pair of rolling bodies which face each other and between which the paper sheet passes, and
• a detection unit detecting a displacement of the rolling body when the paper sheet passes between the pair of rolling bodies facing each other in order to detect the end of the paper sheet,
• the paper sheet detection device further includes
• a transmissive or reflective optical detection sensor:
• having a light emission unit and a light reception unit, and
• arranged such that an optical axis of the light emission unit intersects the transport path,
• the optical detection sensor includes
• a plurality of optical detection sensors arranged:
• in specific locations of the transport path, and
• in a direction orthogonal to a transport direction of the paper sheet,
• each of the plurality of optical detection sensors detects the paper sheet,
• the mechanical detection sensor includes
• a plurality of mechanical detection sensors arranged:
• in locations upstream of the optical detection sensor in the transport direction in the transport path, and
• in a direction orthogonal to the transport direction of the paper sheet,
• each of the plurality of mechanical detection sensors detects the paper sheet, and
• the paper sheet detection device corrects detection results of the plurality of optical detection sensors based on detection results of the plurality of mechanical detection sensors wherein
• the handling unit is a magnetic detection unit disposed downstream of the mechanical detection sensor in the transport direction in the transport path, and configured to detect magnetic information of the paper sheet, and
• the magnetic detection unit detects the magnetic information of the paper sheet based on the time when the mechanical detection sensor detects the end of the paper sheet.

A paper sheet handling method, using a paper sheet handling device including:

• a paper sheet detection device arranged on a transport path for transporting a paper sheet and configured to detect the paper sheet, and
• a handling unit configured to perform handling related to the paper sheet,
• the paper sheet detection device including a mechanical detection sensor including
• at least a pair of rolling bodies which face each other and between which the paper sheet passes, and
• a detection unit detecting a displacement of the rolling body when the paper sheet passes between the pair of rolling bodies facing each other in order to detect an end of the paper sheet,
• the paper sheet detection device further including
• a transmissive or reflective optical detection sensor:
• having a light emission unit and a light reception unit, and
• arranged such that an optical axis of the light emission unit intersects the transport path,
• the optical detection sensor including
• a plurality of optical detection sensors arranged:
• in specific locations of the transport path, and
• in a direction orthogonal to a transport direction of the paper sheet,
• each of the plurality of optical detection sensors detecting the paper sheet,
• the mechanical detection sensor including
• a plurality of mechanical detection sensors arranged:
• in locations upstream of the optical detection sensor in the transport direction in the transport path, and
• in a direction orthogonal to the transport direction of the paper sheet, and
• each of the plurality of mechanical detection sensors detecting the paper sheet,
• the method comprising:
• detecting a displacement of the pair of rolling bodies when the paper sheet passes between the pair of rolling bodies,
• performing handling related to the paper sheet by the handling unit based on the detection of an end of the paper sheet by displacement of the rolling body, and
• correcting detection results of the plurality of optical detection sensors based on detection results of the plurality of mechanical detection sensors by the paper sheet detection device,
• wherein in case detection results of the plurality of mechanical detection sensors are different from detection results of the plurality of optical detection sensors, the paper sheet detection device corrects a detection result of a part, which is not detected by the plurality of optical detection sensors, by changing the detection result to a state in which the part is indicated as detected by the plurality of optical detection sensors, in the detection results of the plurality of optical detection sensors.