Banknote Handling Apparatus Reject Routing
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Solution Overview
Problem
Banknote handling apparatuses struggle to securely manage banknotes deposited via cash transport cassettes, as they often require manual handling and cannot prevent reject banknotes from being dispensed externally, compromising security.
Innovation Solution
A banknote handling apparatus with internal and external reject units, a transport unit, recognition unit, and a control unit that decides the reject banknote's destination based on the feeding unit, ensuring secure storage of reject banknotes within the apparatus when deposited from a cassette and external disposal when manually deposited.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a banknote accounting apparatus uses a single reject unit for all banknotes, then the device complexity is reduced, but security is compromised when banknotes are deposited from a cash transport cassette
Solution Approach 1:
The reject unit is segmented into two distinct components: an internal reject unit for securely storing reject banknotes from cassette deposits, and an external reject unit for dispensing reject banknotes from manual deposits. This segmentation resolves the security issue by ensuring that banknotes from cassettes cannot be externally dispensed, while maintaining operational functionality.
Solution Approach 2:
A deciding unit is introduced as an intermediary component that determines which reject unit should receive the reject banknote based on the type of feeding unit used. This mediator resolves the contradiction by intelligently routing reject banknotes to appropriate destinations, ensuring security requirements are met without requiring complex manual intervention.
2Reliability
If the banknote accounting apparatus distinguishes between cassette-fed and manually-fed banknotes with different reject handling, then security is improved, but the device complexity increases
Solution Approach 1:
The system dynamically adapts its behavior based on the type of feeding unit used. The control unit automatically adjusts the reject handling process: when a cassette is detected as the feeding unit, reject banknotes are routed to the internal reject unit; when a manual feeding unit is detected, reject banknotes are routed to the external reject unit. This dynamic adaptation resolves the contradiction by making the system flexible rather than static.
Solution Approach 2:
The deciding unit provides feedback control by monitoring which feeding unit is active and automatically determining the appropriate reject unit destination. This feedback mechanism ensures that security requirements are met without requiring complex manual configuration or intervention, as the system self-regulates based on real-time conditions.
3Ease of operation
If reject banknotes from cassette deposits are dispensed externally, then operational simplicity is maintained, but security is compromised
Solution Approach 1:
The system performs preliminary action by pre-establishing two separate reject units with different functions before the deposit process begins. The internal reject unit is prepared for secure storage of cassette-derived reject banknotes, while the external reject unit is prepared for manual reject banknotes. This preliminary preparation resolves the contradiction by ensuring security requirements are built into the system architecture rather than requiring complex post-processing decisions.
Data Source
AI summary
In a banknote handling apparatus capable of dealing with a depositing/dispensing process by a banknote cassette and a manual depositing/dispensing process, the banknote handling apparatus enables a depositing process without dispensing a reject banknote, which has been deposited from the banknote cassette, to the outside. A banknote accounting apparatus 22 capable of receiving a banknote from banknote feeding units (a banknote receiving unit 201a, a banknote cassette 30a) includes: a transport unit 230a configured such that the banknote feeding unit is connected thereto, the transport unit configured to transport a received banknote; a recognition unit 240a configured to recognize the banknote being transported; an apparatus-internal reject unit 224a configured to store a reject banknote inside the apparatus; an apparatus-external reject unit 22a configured to dispense a reject banknote outside the apparatus; a unit deciding part configured to decide the banknote feeding unit for feeding a banknote; and a control unit configured to decide, when the recognition unit recognizes a banknote having been received from the banknote feeding unit as a reject banknote, to which one of the apparatus-internal reject unit 224a and the apparatus-external reject unit 222a the reject banknote is transported, based on the banknote feeding unit having fed the banknote.