Image Reading Apparatus Surface Data Separation
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Solution Overview
Problem
Conventional image reading apparatuses fail to ensure separate display of obverse and reverse surface image data when the receiving device lacks the necessary functionality, leading to unintended output results, especially when document binding directions vary.
Innovation Solution
An image reading apparatus with a first and second reading unit, a determination unit, and a separation unit that reads both document surfaces simultaneously and separates the image data based on intended processing, allowing for integrated or separated data output depending on the receiving device's capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If image data of obverse and reverse surfaces is transmitted as integrated data, then data transmission efficiency is improved, but the receiving device cannot separately display the surfaces when it lacks separation function
Solution Approach 1:
The patent segments the integrated image data into separate obverse and reverse surface data streams. The separation unit divides the combined data into distinct components that can be independently processed, allowing receiving devices to selectively use either integrated or separated data based on their capabilities.
Solution Approach 2:
The patent implements dynamic adaptability by providing multiple output modes (integrated and separated) that can be switched based on the receiving device's capabilities. The system dynamically selects the appropriate data format to transmit, optimizing for either efficiency or compatibility depending on the destination device's functions.
2Adaptability or versatility
If image data is separated into obverse and reverse surfaces, then separate display is enabled, but additional processing is required which increases device complexity
Solution Approach 1:
The separation unit acts as an intermediary component that bridges the integrated data stream and the separate display requirements. This dedicated separation module handles the complex processing task, isolating it from both the reading units and the output devices, thereby managing complexity in a controlled manner.
Solution Approach 2:
The image reading apparatus is designed with multi-functionality to handle both integrated and separated data output. The same reading units and separation unit can serve different purposes depending on the configuration, making the system versatile without requiring entirely separate systems for different functions.
3Productivity
If simultaneous reading of both surfaces is performed, then reading efficiency is improved, but correct separation and output becomes more difficult depending on document binding direction
Solution Approach 1:
The determination unit uses feedback from the document binding direction detection to control the separation process. By detecting whether the document is bound at the short edge or long edge, the system adjusts the separation logic accordingly, ensuring correct assignment of obverse and reverse surfaces to the appropriate data streams.
Solution Approach 2:
The system performs preliminary detection of the document binding direction before executing the separation process. This advance detection allows the separation unit to be pre-configured with the correct separation logic, preventing errors that would occur if separation attempted to proceed without knowing the binding orientation.
Data Source
AI summary
It is determined based on processing to be performed on image data generated by reading by a first reading unit and a second reading unit, whether to separate, into image data of the first surface and image data of the second surface, image data that has been generated by reading by the first reading unit configured to read the first surface of a document, and the second reading unit configured to read the second surface of the document, and that includes the first surface and the second surface. When it is determined to separate the image data, the image data including the first surface and the second surface is separated into the image data of the first surface and the image data of the second surface.