Golf Score Tracking Device with Inertial Swing Detection
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Solution Overview
Problem
Traditional methods for recording golf scores are inefficient, relying on handwriting or memorization, and lack real-time feedback on shot and putt counts during a golf match.
Innovation Solution
An electronic device equipped with a display unit, memory for golf course maps, position acquisition sensors, inertial sensors for motion data, and a control unit that determines effective swings based on position and motion data, displaying stroke count information on a circular display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional handwriting or memorization methods are used to record golf scores, then no additional electronic equipment is required, but the efficiency and accuracy of scorekeeping is low and real-time feedback is unavailable
Solution Approach 1:
The electronic device integrates multiple functions including position tracking, swing detection, score recording, and real-time information provision into a single device. The control unit determines shot modes (full swing, approach, putting) based on position and automatically tracks stroke counts, making the device suitable for various golf scenarios without requiring multiple separate tools
Solution Approach 2:
The system automatically detects swings using inertial sensors and determines whether they are effective swings based on motion data and position information. The control unit autonomously updates stroke counts and provides feedback without requiring manual input from the user, enabling the device to serve itself in scorekeeping tasks
2Loss of information
If manual scorekeeping methods are used, then the device structure remains simple, but real-time information on shot and putt counts is not provided
Solution Approach 1:
The system provides real-time feedback to the user by displaying stroke count information on the display unit. The control unit continuously monitors position and motion data, determines effective swings, and immediately updates the displayed score, creating a closed-loop feedback system that keeps the user informed of their performance throughout the game
Solution Approach 2:
The patent replaces manual mechanical scorekeeping with an electronic system using inertial sensors to detect swings, position sensors to track location, and a control unit to process data. This substitution of mechanical recording with electronic sensing and processing enables automated, accurate, and real-time score tracking
3Measurement precision
If the electronic device detects all swings equally, then the detection process is simple, but the accuracy of stroke count recording is reduced
Solution Approach 1:
The system applies different detection criteria and thresholds for different shot modes (full swing, approach, putting) based on the user's position. The control unit adjusts the effectiveness determination according to the specific shot type, with different reference times and acceleration thresholds for each mode, ensuring accurate detection tailored to local conditions
Solution Approach 2:
The control unit changes detection parameters such as reference time periods and acceleration thresholds based on the determined shot mode. For example, different minimum acceleration values and time duration requirements are applied for full swings versus putts, allowing the system to accurately distinguish between different types of strokes while maintaining a unified detection framework
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 users to conveniently and accurately track their score through simple manipulation, providing real-time information on shot and putt counts, enhancing the golfing experience by simplifying scorekeeping.
Implementation Method 1
a position acquisition sensor for acquiring a current position of the electronic device
Implementation Method 2
an inertial sensor for detecting motion data of a swing of a user of the electronic device; the motion data may include, for the swing, acceleration information and angular velocity information
Data Source
AI summary
Disclosed is an electronic device including: a display unit; a memory for storing map information of golf courses; a position acquisition sensor for acquiring a current position of the electronic device; an inertial sensor for detecting motion data of a swing of a user of the electronic device; and a control unit for determining a shot mode based on the current position and the map information, determining whether the swing is an effective swing based on the shot mode and the motion data, and, displaying a stroke count information display screen on the display unit when the swing is the effective swing.