-
公开(公告)号:US20210102795A1
公开(公告)日:2021-04-08
申请号:US17020609
申请日:2020-09-14
摘要: Systems and methods for testing a surface are described. An apparatus can be configured to consistently strike a ball to maintain consistent testing conditions. One or more parameters may be determined based on a path of travel of the ball.