Irreversible Fiscal Board Case Design for Data Integrity

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Solution Overview

Problem

Fiscal information stored in memory devices within fiscal boards and printers is vulnerable to falsification, posing a legal and operational risk, especially since physical access can alter data.

Innovation Solution

A fiscal board receiving case and printer configuration that forms an irreversible box-like structure with engagement members, securing connectors, and encrypting data, preventing physical access and ensuring data integrity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the management board and control board are separately mounted in open cases, then ease of installation and maintenance is improved, but physical access to the memory board is possible leading to data falsification risk

Engineering Contradiction:
Improveease of installation and maintenanceVSAvoiddata integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent combines the management board receiving case and control board receiving case into a single integrated receiving case. The management board and control board are mounted on separate boards that are positioned within the same case structure, with the management board placed on the control board. This merging of cases prevents physical access to the memory board while maintaining the separate mounting of management and control boards for ease of installation and maintenance.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of operation

If the case structure allows easy assembly and disassembly, then ease of operation is improved, but the ability to prevent physical access to memory is weakened

Engineering Contradiction:
Improveease of assembly and disassemblyVSAvoidphysical access to memory
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The receiving case is divided into multiple compartments: a management board receiving portion, a control board receiving portion, and a memory board receiving portion. The management board and control board are mounted on separate boards that can be independently installed and removed from their respective portions, while the memory board remains protected in its own portion. This segmentation allows easy assembly and disassembly of the management and control boards without compromising the protection of the memory board.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If connectors are exposed for external connections, then adaptability is improved, but physical access to internal components is facilitated

Engineering Contradiction:
Improveexternal device connectivityVSAvoidphysical access to internal components
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces connector covers as intermediary elements that protect the connectors while allowing external connections. The connector covers are positioned to cover the connectors when not in use, preventing physical access to internal components. When external connections are needed, the connector covers can be removed to expose the connectors, maintaining adaptability while protecting against unauthorized access during normal operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8831982B2Fiscal board receiving case and fiscal printer
Publication Date: 2014.09.09 SEIKO EPSON CORP
  • US8831982B2 patent drawing
  • US8831982B2 patent drawing
  • US8831982B2 patent drawing

AI summary

A fiscal board receiving case is provided. A management board receiving case includes a case main body and a lid connected to the case main body and receives a management board on which a memory storing data including fiscal information and a management board-side connector are mounted. A control board receiving case includes a case main body and a lid connected to the case main body and receives a control board on which a controller and a control board-side connector connected to the management board-side connector are mounted. The management board receiving case and the control board receiving case are configured such that one box-like body that receives at least the management board is formed while the management board-side connector and the control board-side connector are connected to each other by engaging the management board receiving case with the control board receiving case through engagement members provided in the cases. The management board receiving case and the control board receiving case are configured such that engagement between the cases and engagement between the case main body and the lid in each of the cases are irreversibly maintained after the cases are engaged with each other.