Document Reader Speed Control with Transfer-Rate Notifications
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Solution Overview
Problem
Existing reading devices fail to address user concerns when transfer speed is low, leading to misunderstandings about device failures or defects.
Innovation Solution
A reading device with a control section that adjusts transport speed based on image data transfer speed and notifies users of changes, including power-saving modes to optimize performance during low transfer speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the reading device automatically reduces reading speed when transfer speed is low, then data transfer bottleneck is avoided, but user may mistakenly think device failure or defect occurred
Solution Approach 1:
The notification section provides feedback to the user about the reason for speed reduction. When transfer speed is low, the system automatically reduces reading speed but simultaneously notifies the user with a change notification indicating that the transport speed has been adjusted due to low transfer speed, preventing user confusion about device failure
Solution Approach 2:
The notification section acts as an intermediary between the control section and the user. It translates the technical reason for speed adjustment (low transfer speed) into user-friendly information, mediating the communication to ensure users understand the situation without thinking it's a device defect
2Productivity
If the reading device maintains high transport speed during low transfer speed conditions, then productivity is maintained, but power consumption increases and data buffer may overflow
Solution Approach 1:
The transport speed is dynamically adjusted based on real-time transfer speed conditions. The control section changes the transport speed according to the detected transfer speed, allowing the system to adapt between high productivity mode (when transfer speed is high) and energy-saving mode (when transfer speed is low), preventing data buffer overflow while optimizing power consumption
3Productivity
If the reading device continuously operates at high speed, then productivity is maximized, but power consumption increases
Solution Approach 1:
The system changes operational parameters (transport speed, reading speed) based on transfer speed conditions. When transfer speed is low, the control section changes the transport speed parameter to match the lower transfer speed, thereby reducing power consumption while avoiding data buffer overflow, and when transfer speed is high, the system operates at high speed for maximum productivity
Data Source
AI summary
A reading device connected to an external device include a transport section configured to transport a document, a reading section configured to read the document transported by the transport section, a data generation section configured to generate image data of the document read by the reading section; a transfer section configured to transfer the image data to the external device, a notification section configured to notify information to a user, and a control section, wherein the control section is configured to control a transport speed of the document by the transport section based on a transfer speed of the image data by the transfer section and, when the transport speed is changed, to cause the notification section to notify using a change notification A1 indicating a change in the transport speed.