Paper Sheet Processing Device with Bidirectional Re-Identification
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Solution Overview
Problem
In paper sheet processing devices, the need for operators to manually re-identify and re-input paper sheets identified as abnormal or unacceptable leads to increased processing time and labor, as these sheets must be transferred back into the device through different ports, complicating the re-identification and self-examination processes.
Innovation Solution
The device incorporates an input unit, identification unit, temporary storage unit, and payout unit, allowing paper sheets to be identified and processed in both directions, enabling them to be transferred back and forth between these units, thereby eliminating the need for manual re-input and reducing processing time by allowing abnormal sheets to be re-identified and stored efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If paper sheets are identified as abnormal and transferred to the payout port, then they can be taken out to the outside, but operators must manually re-input them through the input port for re-identification, increasing processing time and labor
Solution Approach 1:
The patent merges the input unit and payout unit into a single integrated unit that can both receive paper sheets from the outside and eject abnormal sheets. This allows abnormal sheets to be automatically transferred back into the identification unit for re-identification without requiring manual re-input through a separate input port, thereby reducing processing time and labor while maintaining ease of operation
Solution Approach 2:
The input/payout unit is designed with multi-functionality, serving both as an input port for normal paper sheets and as an ejection port for abnormal sheets that need re-identification. This universal unit can handle both incoming and outgoing paper sheets, eliminating the need for separate dedicated input and payout ports and enabling automatic re-processing of abnormal sheets
2Productivity
If dedicated input and payout ports are arranged at different positions for optimal transfer path layout, then transfer efficiency is improved, but re-identification requires manual operation through different ports
Solution Approach 1:
The patent combines the input and payout functions into a single unit, reducing the number of separate ports and transfer paths. This merger simplifies the overall transfer path complexity while maintaining efficient transfer capabilities, as abnormal sheets can be automatically routed back to the identification unit without requiring manual intervention through multiple separate ports
3Extent of automation
If paper sheets are transferred back and forth through the identification unit in both directions, then automatic re-identification is enabled, but the transfer path becomes more complex
Solution Approach 1:
The patent implements a dynamic transfer path configuration where the transfer mechanism can adaptively change the direction of paper sheet transfer based on processing needs. The identification unit can transfer sheets in the first direction for initial identification and in the second direction for re-identification, with the system automatically determining the optimal transfer direction to enable automation while managing path complexity
Data Source
AI summary
A paper sheet processing device includes: an input unit into which paper sheets are input from the outside; an identification unit for identifying the paper sheets fed out from the input unit while allowing them to pass through in a first direction and identifying the paper sheets while allowing them to pass through in a second direction opposite to the first direction; a temporary storage unit for temporarily storing the paper sheets identified as being acceptable by the identification unit; a payout unit for accommodating the paper sheets identified as being unacceptable by the identification unit so as to be able to be taken out to the outside; and a storage unit for storing the paper sheets fed out from the temporary storage unit and identified by the identification unit while being allowed to pass through the identification unit in the second direction, wherein the paper sheets fed out from the temporary storage unit and identified by the identification unit while being allowed to pass through the identification unit in the second direction can be transferred to the input unit.