Used Ribbon Destruction via Tapering and Heating
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Solution Overview
Problem
Used ribbons in card or passport personalization equipment retain sensitive information, posing liability risks if not properly destroyed, as existing methods fail to securely erase this information.
Innovation Solution
A method and device that tapers and heats the used ribbon into a fused string, rendering the information unreadable, which can then be wound onto a spool or cut into pieces for disposal, utilizing a tapering mechanism and heating mechanism within personalization machines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If used ribbon is destroyed by conventional methods, then disposal is simple, but information security is compromised
Solution Approach 1:
The patent applies parameter changes by transforming the ribbon through physical state changes - heating to melt and fusing the ribbon material into an inextricable matrix. This changes the physical parameters of the ribbon from a readable state to an unreadable fused state, ensuring information security while maintaining a relatively simple device structure
Solution Approach 2:
The invention utilizes phase transitions by heating the ribbon material to its melting point and then allowing it to cool and fuse into a solid matrix. This phase transition from solid to liquid and back to solid creates an irreversible transformation that destroys the information while requiring minimal device complexity
2Reliability
If used ribbon is shredded into small pieces, then information security is improved, but the ribbon can still be reassembled
Solution Approach 1:
The patent applies merging by fusing the shredded or cut ribbon pieces together through heating and melting. The individual pieces are combined into a single inextricable matrix where the information becomes permanently destroyed and cannot be reassembled, achieving both security and permanence of destruction
3Ease of operation
If used ribbon is stored for later disposal, then operational flexibility is maintained, but security risk increases
Solution Approach 1:
The invention applies self-service by enabling the personalization device to destroy the used ribbon immediately after use through an integrated heating and fusing mechanism. This eliminates the need for separate storage and disposal processes, maintaining operational flexibility while removing security risks associated with storing sensitive materials
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively destroys the information on used ribbons by converting them into a fused string that cannot be unraveled, ensuring secure disposal and preventing unauthorized access to sensitive data.
Implementation Method 1
heating the used ribbon strand to fuse the used ribbon strand into a used ribbon string
Implementation Method 2
heating the used ribbon strand to fuse the used ribbon strand into a used ribbon string, thereby rendering any data retained on the used ribbon unreadable
Data Source
AI summary
Methods and devices are described for securely destroying used ribbon from a document personalization machine in order to render any information retained on the used ribbon as unreadable. In one embodiment, the method includes tapering the used ribbon into a used ribbon strand by feeding the used ribbon through a tapering mechanism. The method also includes heating the used ribbon strand to fuse the used ribbon strand into a used ribbon string thereby rendering any data retained on the used ribbon unreadable.