Golf ball spin axis measurement
US10775492B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Jan 22, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/88
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Systems, methods and media are provided for golf ball spin axis measurement. In one example, a method comprises detecting a launched golf ball, receiving reflected Doppler signals from the golf ball by a radar device having an array of multiple receiver pairs, demodulating the spin-induced signals from the received signals, determining a time delay between the demodulated signals for the receiver pairs in the array, calculating an average time delay for the multiple receiver pairs, calculating a spin axis of the golf ball from the time delay values, outputting a spin axis value to an external system, and storing the spin axis value in a database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.