Golf Ball Trace Transformation for Range-Distance Correction

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Solution Overview

Problem

Golfers using non-premium balls, such as range balls, receive misleading feedback due to flight restrictions, leading to inaccurate distance measurements and performance assessment.

Innovation Solution

A managing module that selects transformation functions based on golf ball parameters to accurately transform captured traces, providing a corrected trace on a display device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If non-premium golf balls (range balls) are used for practice, then durability and cost-effectiveness are improved, but flight distance and performance accuracy deteriorate due to flight restrictions

Engineering Contradiction:
ImprovedurabilityVSAvoidflight distance
Core Design Contradiction:
StrengthVSLength of moving object

Solution Approach 1:

The system changes the parameter of flight distance through mathematical transformation. It detects the actual flight distance of the range ball and applies a transformation function to calculate what the distance would be with a premium ball, effectively converting the restricted flight parameter to an unrestricted equivalent

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

A transforming module acts as an intermediary between the actual flight trace and the displayed feedback. This module processes the captured trace data and converts it into corrected trace information that reflects premium ball performance, mediating between the physical reality of range ball flight and the desired feedback representation

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If non-premium golf balls are used, then cost is reduced, but measurement precision of performance feedback deteriorates

Engineering Contradiction:
ImprovecostVSAvoidperformance feedback accuracy
Core Design Contradiction:
Loss of informationVSMeasurement precision

Solution Approach 1:

The system transforms the measured parameters by applying correction functions that adjust flight distance, air time, and other performance metrics from range ball values to equivalent premium ball values, restoring measurement precision without increasing cost

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system implements feedback by providing corrected performance information to the golfer. The transforming module generates accurate feedback data that reflects what the performance would be with a premium ball, allowing the golfer to receive precise performance assessment while using cheaper range balls

Inventive Principle:
Principle #23Feedback

3Device complexity

If linear scaling is applied to correct flight restriction, then simplicity is maintained, but measurement precision deteriorates due to inability to account for non-linear flight characteristics

Engineering Contradiction:
Improvetransformation method simplicityVSAvoidtrace transformation accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The system transitions from static linear scaling to dynamic transformation functions that adapt based on shot parameters. The transforming module selects and applies different transformation functions based on detected conditions, allowing precise correction of non-linear flight characteristics while maintaining manageable system complexity through automated selection

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the transformation approach from fixed linear scaling to variable transformation functions that adjust correction factors based on shot distance, ball type, and other parameters. This enables accurate correction of non-linear flight behavior while the system manages complexity by automatically selecting appropriate transformation functions

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4621757A1Managing module and method for managing a captured trace of a golf ball
Publication Date: 2025.09.24 TOPGOLF SWEDEN AB
  • EP4621757A1 patent drawingFigure 1~2
  • EP4621757A1 patent drawingFigure 3
  • EP4621757A1 patent drawingFigure 4

AI summary

A method and a managing module (110) for managing a captured trace (2) of a golf ball (1) are disclosed. The method comprises obtaining (A130) a set of shot parameters relating to a shot of the golf ball (1) represented by the captured trace (2), and selecting (A150) at least one transformation function from among a plurality of transformation functions based on a set of ball parameters relating to physical properties of the golf ball (1), the set of shot parameters, and a plurality of intervals related to the set of shot parameters. The method further comprises transforming (A160) the captured trace (2) according to said at least one transformation function to obtain a transformed trace (3) and providing (A170) the transformed trace (3) for outputting on a display device (120).