Wearable String Shooting Device With Gesture-Based Actuation
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Solution Overview
Problem
Existing string shooting devices are either bulky and require manual reloading or lack the ability to be worn and operated by hand gestures, limiting their usability and convenience.
Innovation Solution
A wearable string shooting device with a pair of wheels driven by an actuator, allowing operation through hand gestures and featuring a cavity for string retrieval, which can be actuated by wrist or hand movements without direct manual contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the device is made wearable and operable by hand gestures, then ease of operation is improved, but device complexity increases due to the need for sensors and gesture recognition systems
Solution Approach 1:
The patent replaces direct manual mechanical operation with gesture-based operation. Instead of requiring the user to physically hold and manipulate the device, the system uses cameras or sensors to detect hand gestures and translates them into control signals for the string shooting device, thereby improving ease of operation while managing complexity through automated gesture recognition
Solution Approach 2:
The patent introduces an intermediary system between the user and the device. This intermediary consists of cameras or sensors that capture hand gestures and a processing system that translates gestures into device commands. This intermediary layer enables hands-free operation while distributing the complexity across multiple components rather than requiring direct mechanical interaction
2Productivity
If the device uses a cavity for string retrieval, then productivity is improved by automating string reloading, but device complexity increases due to additional mechanical components
Solution Approach 1:
The patent implements self-service functionality where the device automatically retrieves and reloads the string without requiring manual intervention. The cavity mechanism automatically pulls the string back into the housing after it has been shot, enabling continuous operation and improving productivity by eliminating the need for users to manually reload the string
Solution Approach 2:
The patent enables continuous operation by implementing an automatic string retrieval and reloading system. The cavity mechanism ensures that the string is continuously available for shooting without interruption, maintaining useful action throughout the operation and improving productivity compared to manual reloading methods
3Ease of operation
If the device is designed for hand-held operation, then ease of operation is improved, but the device becomes less stable and harder to control for performing tricks
Solution Approach 1:
The patent embraces dynamics by designing the device to be worn on the user's body (wrist, arm, or chest) rather than held in the hand. This dynamic positioning allows the device to move with the user's body movements, providing stability during trick performance while maintaining ease of operation through body-mounted placement and gesture-based control
Data Source
AI summary
Provided herein is a string shooting device, and more particularly, a string shooting device having that is wearable and operable by hand gestures or body movement. Embodiments include a wearable device for propelling a string including: a string shooting device; a band configured to attach to a body part of a user; and a holder, where the holder is secured by the band to the user; where, in response to the body part of the user being in a first position, the string shooting device is not actuated, and where in response to the body part of the user being in a second position, the string shooting device is actuated.