Motion-Sensing Circular Knitting Needle for Stitch Counting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing knitting needles for handcrafting require manual counting of stitches and rows, which is prone to errors due to distractions, and existing electronic aids are cumbersome or unsuitable for spontaneous use.
Innovation Solution
Integration of an inertial measuring unit, processor unit, and power source into a knitting needle to automatically count stitches and rows using motion detection, with wireless communication to an output device for real-time display or notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual counting methods are used, then the knitting process can proceed without additional equipment, but the accuracy of stitch and row counting deteriorates due to distractions and human error
Solution Approach 1:
The patent replaces manual mechanical counting operations with an automated electronic system. Motion sensors detect needle movements and a processor automatically counts stitches and rows, eliminating the need for manual counting by the knitter while maintaining ease of use through automatic operation.
Solution Approach 2:
The knitting needle system performs self-counting of stitches and rows through integrated motion sensors and processing units. The system automatically detects and records knitting movements without requiring external intervention or manual operation, enabling the tool to serve itself in the counting function.
2Reliability
If electronic counting devices are added to knitting needles, then counting accuracy improves, but the device complexity and cumbersome nature increase
Solution Approach 1:
The patent divides the knitting needle into functional segments: motion sensors embedded in the needle shaft, a separate processor unit, and a display interface. This segmentation allows each component to perform its specific function efficiently while keeping the overall system manageable and not excessively complex.
Solution Approach 2:
The knitting needle system is designed to perform multiple functions: it detects needle movements, counts stitches and rows automatically, displays results, and can communicate with external devices. This multi-functionality consolidates what would otherwise require separate tools into a single integrated system, reducing overall complexity rather than increasing it.
3Extent of automation
If motion sensors are integrated into the knitting needle, then automatic stitch detection becomes possible, but the weight of the needle increases
Solution Approach 1:
The patent employs thin-film flexible printed circuit boards to mount the motion sensors and electronic components within the knitting needle. This approach minimizes the added weight while providing sufficient structural support for the electronic components, allowing automatic counting capability with minimal weight penalty.
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
Enables accurate, hands-free counting of stitches and rows, allowing users to knit without distraction and facilitating standardized knitting patterns.
Implementation Method 1
An inertial measuring unit for detecting a movement of the first knitting needle (3) is integrated in the first knitting needle (3)
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to an intelligent knitting needle (1) with at least one needle tip and a shaft on which the knitting fabric can be arranged, at least partially, and a circular knitting needle (2). The objective of providing a knitting needle that makes it possible to easily count the stitches and rows of a knitting project without additional aids and to display this information to the user is achieved by integrating an inertial measuring unit (6) for detecting movement of the knitting needle (1), a processor unit (7) for processing the detected movement data of the inertial measuring unit (6), and a power source (10) for supplying power to the inertial measuring unit (6) and the processor unit (7) into the knitting needle (1). The processor unit (7) determines the number of knitted stitches from the detected movement data of the inertial measuring unit (6) and outputs this number to a user of the knitting needle (1) via an output device (11).