Voice-Controlled Scanner Timing to Prevent Sheet Displacement
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Solution Overview
Problem
Image scanning devices face issues with air flow displacement and blurring when voice instructions are given with the copy sheet cover open, as the air flow caused by the voice reaches the copy sheet during scanning, leading to incomplete or blurred scans.
Innovation Solution
An image scanning device with a voice receiving section, image scanning section, and control section that determines if the copy sheet is fixed and adjusts the scanning start time based on factors like voice sound volume, uttering speed, and user distance, delaying the scan if necessary to prevent air flow interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If scanning is started immediately after voice instruction is received, then scanning operation speed is improved, but the copy sheet is displaced by air flow causing image displacement or blurring
Solution Approach 1:
The control section delays the start of scanning by a predetermined period after receiving the voice instruction. This preliminary delay allows the air flow generated by the voice to subside before scanning begins, preventing copy sheet displacement while maintaining efficient operation
Solution Approach 2:
The system dynamically adjusts the scanning start timing based on the detection conditions. When the copy sheet is properly positioned and the voice instruction is confirmed, scanning starts after the predetermined delay; otherwise, the system waits for proper positioning, making the start timing adaptive to real-time conditions
2Ease of operation
If the copy sheet cover is kept open for easy access, then ease of operation is improved, but air flow from voice instruction displaces the copy sheet
Solution Approach 1:
The control section implements a predetermined delay period after voice instruction before starting scanning. This allows users to keep the copy sheet cover open for easy access while the delay period absorbs the air flow impact, preventing copy sheet displacement during scanning
Solution Approach 2:
The system converts the harmful air flow effect into a beneficial timing mechanism. The air flow duration becomes the basis for determining the optimal scan start timing, turning the problematic air flow into a natural delay period that protects the copy sheet
Data Source
AI summary
An image scanning device may comprise a microphone for receiving a voice, an image scanning section for scanning an image, and a control section for instructing the image scanning section to start scanning after a delay time elapses after the voice. The image scanning device may be able to scan a copy sheet, without being affected by an air flow caused by a voice when instructed to scan the copy sheet with a voice instruction.