Golf Ball Magnetometer Activation for Interference-Resistant Communication
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Solution Overview
Problem
Existing communication systems in golf facilities, such as those using coded golf balls, are susceptible to interference from stray magnetic fields and mobile phones, leading to unreliable activation of communication circuits.
Innovation Solution
A system utilizing a magnetic field detecting device with an electromagnetic coil and associated circuitry to generate a changing magnetic field, activating a switching arrangement in the object, preferably a golf ball, which switches its communication circuitry from a low-power to a high-power state, and employs a magnetometer to ensure secure and reliable communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic switch is activated using permanent magnets in a coded golf ball facility, then communication with the golf ball can be established, but the system becomes susceptible to interference from stray magnetic fields and mobile phones
Solution Approach 1:
The patent introduces an electromagnetic coil as an intermediary device that generates a controlled magnetic field to activate the golf ball's communication circuitry. This mediator allows selective activation through coded pulsed signals, preventing unauthorized or unintended activation by stray magnetic fields or mobile phones while maintaining reliable communication capability.
2Reliability
If the golf ball's communication circuitry is kept in a high-power state for reliable communication, then communication quality improves, but energy consumption increases
Solution Approach 1:
The system employs periodic pulsed magnetic fields from the electromagnetic coil to activate the golf ball's communication circuitry only when needed. The coil delivers coded pulsed signals that temporarily switch the ball's circuitry from low-power to high-power state for brief communication intervals, then return to low-power state, thus maintaining communication quality while minimizing energy consumption.
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 system provides secure and reliable communication between golf balls and the golf facility by minimizing interference from external sources, allowing the ball to identify its location and activate communication circuits accurately.
Implementation Method 1
an electromagnetic coil and associated circuitry configured to supply electrical signals to the coil to generate a changing magnetic field
Implementation Method 2
changes in the magnetic field can be detected by the detecting device of the object
Data Source
AI summary
To communicate with a magnetometer (82) within a golf ball (20) used in a golf facility, an electromagnetic coil (30) is configured to supply pulsed signals to the magnetometer. A plurality of coils (30) are provided at different locations around the golf facility, and the pulsed signals are preferably coded so that the location of the golf ball is known.