Spin measurement method and apparatus

G - Physics – 01 – P

Patent

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Details

G01P 3/68 (2006.01) A63B 43/00 (2006.01) A63B 69/36 (2006.01) G01P 3/36 (2006.01)

Patent

CA 2589745

A method and apparatus for measuring or determining spin characteristics of a moving object such as a golf ball (1) is disclosed. The object includes one or more detectable marks (2) or object features. Event characteristics associated with the entry, passage or exit of the marks (2) or object features are detected or recorded at a reference or boundary. Marks are physically effected by heating a region on the surface of the object to a detectably different temperature.

L~invention concerne un procédé et un appareil de mesure ou de détermination des caractéristiques de rotation d~un objet en mouvement, tel qu~une balle de golf (1). L~objet comprend une ou plusieurs marques (2) ou particularités détectables. Des caractéristiques associées à l~entrée, au passage ou à la sortie des marques (2) ou des particularités sont détectées ou enregistrées au niveau d~une référence ou d~une limite. Les marques sont réalisées physiquement par chauffage d~une région située à la surface de l~objet pour la porter à une température suffisamment différente pour pouvoir être détectée.

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