Dynamic Printing Mode Control for Document Validity
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Solution Overview
Problem
Current document transmission and printing systems lack the ability to dynamically change the printing mode of documents based on a set time limit, which can lead to issues in ensuring document originality and validity after the time limit has elapsed.
Innovation Solution
The system includes an acquisition unit to acquire document data with an output time limit and an output unit that changes the printing mode of the document data from a first form to a second form after the time limit has elapsed, allowing for different printing modes before and after the expiration, ensuring document integrity and validity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the system allows document printing without time limit restrictions, then document accessibility and ease of operation are improved, but document originality and validity cannot be ensured after transmission
Solution Approach 1:
The patent implements dynamic control of printing permissions based on time limits. The printing mode is automatically changed from allowed to restricted state after a predetermined time limit elapses from document transmission. This dynamic adjustment resolves the contradiction by making the system adaptable to different time-based requirements while maintaining document validity.
Solution Approach 2:
The patent changes the parameter of printing permission status from unrestricted to restricted based on the elapsed time since document transmission. By monitoring time as a parameter and automatically adjusting printing permissions, the system ensures document originality while maintaining ease of operation within the valid time window.
2Reliability
If the system changes printing mode after time limit expiration, then document integrity and validity are maintained, but device complexity increases due to time limit management
Solution Approach 1:
The patent sets the time limit parameter in advance at the time of document transmission. By pre-defining the expiration time and automatically executing the printing mode change when the time limit is reached, the system maintains document integrity without requiring complex real-time monitoring and decision-making mechanisms.
3Reliability
If the system prevents unauthorized printing after time limit, then document security is improved, but productivity decreases due to restricted access
Solution Approach 1:
The patent implements periodic permission validation where printing permissions are automatically renewed or revoked at predetermined time intervals. This allows efficient printing during valid time periods while automatically preventing unauthorized access after expiration, thus maintaining both security and productivity without manual intervention.
Data Source
AI summary
An output apparatus including an acquisition unit configured to acquire document data having an output time limit and identification information used for identification; and an output unit configured to output the document data in a first output form of the identification information when the output time limit has elapsed, which is different from a second output form of the identification information before expiration of the output time limit.