Writing Underlay with Segmented Protrusions for Wakefulness
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Solution Overview
Problem
Current methods for preventing drowsiness during long, monotonous work lack a practical and concrete device to provide a local exercise stimulus, and underlays with protrusions and indentations are not used due to adverse effects on writing, such as paper sinking and writing marks remaining.
Innovation Solution
An underlay with a sheet-shaped product featuring semispherical protrusions and indentations on its upper surface, designed to generate a local vibration stimulus that targets the acupressure point Zhongchong at the base of the middle finger, stimulating the senses of touch, sight, and hearing to enhance wakefulness and memory.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an underlay with protrusions and indentations is used to generate local vibration stimulus for awakening effect, then wakefulness and memory are improved, but writing comfort deteriorates due to paper sinking and writing marks remaining
Solution Approach 1:
The underlay surface is divided into multiple regions with different properties: awakening regions containing protrusions/indentations for vibration stimulus, and smooth writing regions for comfortable writing. This local differentiation allows the underlay to provide both awakening effect and writing comfort in different areas simultaneously.
Solution Approach 2:
The underlay is segmented into functionally distinct regions: awakening regions with vibration-generating structures and smooth writing regions. This segmentation separates the conflicting functions of awakening and comfortable writing into different spatial zones, resolving the contradiction between these two requirements.
2Ease of operation
If a hard and smooth underlay is used to facilitate writing and minimize writing marks, then writing comfort is improved, but awakening effect is lost
Solution Approach 1:
Different regions of the underlay have different surface qualities: smooth regions for writing comfort and textured regions with protrusions/indentations for awakening effect. This local quality variation allows each region to optimize its specific function without compromising the other.
Solution Approach 2:
The underlay is divided into smooth writing areas and textured awakening areas, allowing the smooth regions to provide writing comfort while the textured regions provide vibration stimulus for wakefulness maintenance.
3Reliability
If protrusions and indentations are made larger to enhance vibration stimulus for awakening, then awakening effect is improved, but writing difficulty increases due to paper sinking
Solution Approach 1:
The protrusions and indentations are confined to specific awakening regions with controlled dimensions that generate sufficient vibration without excessive paper sinking. The smooth writing regions provide adequate writing surface area, balancing awakening effect with writing ease.
Solution Approach 2:
The protrusions and indentations are designed with moderate dimensions - not too large to cause excessive paper sinking, but sufficient to generate the required vibration stimulus. This partial action approach achieves the awakening effect with minimal interference to writing comfort.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The underlay's fine protrusions and indentations create a vibration that stimulates the brain, improving memory and maintaining wakefulness by engaging multiple senses, while allowing comfortable writing without hindering the writing process.
Implementation Method 1
a vibration that is generated in fingers by protrusions and indentations on an upper surface of the underlay at the time of writing letters with a writing instrument
Data Source
AI summary
Power of concentration of a person at a study time usually declines with the passage of time. However, a practical and concrete method of actively providing a stimulus that makes the person less drowsy, that is, a device that realizes provision of a local exercise stimulus that vibrates a part of a human body, has not been developed. The invention provides an underlay that is used as a stationery product and that generates an awakening effect, the underlay having plural shapes of protrusions and indentations at an upper surface side of the underlay.