US 11,872,450 B2
Mark ball special for golf high-speed camera sensor
Ji Jun Wang, GuangDong (CN); and Qing Hua Wang, GuangDong (CN)
Assigned to SHENZHEN GREENJOY TECHNOLOGY CO., LTD., GuangDong (CN)
Filed by SHENZHEN GREENJOY TECHNOLOGY CO., LTD., GuangDong (CN)
Filed on Sep. 24, 2021, as Appl. No. 17/483,817.
Application 17/483,817 is a continuation of application No. PCT/CN2020/131289, filed on Nov. 25, 2020.
Claims priority of application No. 202010741630.X (CN), filed on Jul. 29, 2020.
Prior Publication US 2022/0032126 A1, Feb. 3, 2022
Int. Cl. A63B 37/00 (2006.01); A63B 24/00 (2006.01)
CPC A63B 37/0022 (2013.01) [A63B 24/0021 (2013.01); A63B 2024/0034 (2013.01); A63B 2220/05 (2013.01); A63B 2220/807 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A mark ball special for a golf high-speed camera sensor, the mark ball comprising a sphere, wherein a mark portion is provided on a surface of the sphere,
the mark portion comprises a first mark group and a second mark group, and each of the first mark group and the second mark group comprises two marks;
each mark in the first mark group and the second mark group comprises an upper portion, a middle portion and a lower portion, and the middle portions of all the marks are identical;
the upper portions of the marks in the first mark group are identical and the lower portions of the marks in the first mark group are different;
the upper portions of the marks in the second mark group are identical and the lower portions of the marks in the second mark group are different;
the upper portions of the marks in the first mark group are different from the upper portions of the marks in the second mark group; and
each of the middle portions of all the marks is a strip corresponding to one circumferential direction of the sphere.