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US 12,636,558 B2Granted
Golf club fitting device, method and program
AssigneeSumitomo Rubber Industries, Ltd.
InventorsKenta Nanke, Kousuke Okazaki, Yuto Nakamura, Masahiko Ueda
Life of this patent
Estimating the term…
Abstract
A fitting device for selecting a golf club suitable for a golfer comprises: an acquisition part that acquires measurement values obtained by measuring a golfer's swing motion of a first golf club with a measuring device; and a calculation part that calculates a swing index related to the swing motion based on the measurement values; a determination part that determines, based on the swing index, a second optimum characteristic index indicating characteristics of a shaft for a second golf club different from the first golf club; and a selection part that selects at least a shaft for the second golf club that matches the second optimum characteristic index.
Claims14
A fitting device for selecting a golf club suitable for a golfer, comprising processing circuitry configured to:
- obtain measurement values by measuring a swing motion of a first golf club by the golfer with a measuring device;
- calculate, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determine, based on a magnitude of the first swing index, a second optimum characteristic index showing characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- calculate a second swing index different from the first swing index;
- determine, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- and
- select, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft for the second golf club having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the second candidate shafts for the second golf club, the distribution of flexural stiffness of the second candidate shaft is compared with said distribution of flexural stiffness of the shaft of the first golf club based on the following equation (1):
- F=F1+F2 (1), wherein
- F1=|A28−B28|+|A20.5−B20.5|+|A13.5−B13.5|
- F2=|(A28−A20.5)−(B28−B20.5)|+|(A20.5−A13.5)−(B20.5−B13.5)|
- A28 is IFC number at a position P1 on the shaft of the first golf club,
- A20.5 is IFC number at a position P2 on the shaft of the first golf club,
- A13.5 is IFC number at a position P3 on the shaft of the first golf club,
- B28 is IFC number at a position P1 on the shaft for the second golf club,
- B20.5 is IFC number at a position P2 on the shaft for the second golf club, and
- B13.5 is IFC number at a position P3 on the shaft for the second golf club;
- and
- from among the second candidate shafts, a shaft or shafts having a smallest F value are selected for the second golf club.
16 more elements
A fitting method for selecting a golf club suitable for a golfer, comprising:
- obtaining measurement values by measuring a swing motion of a first golf club by the golfer with an electronic measuring device;
- calculating, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determining, based on a magnitude of the first swing index, a second optimum characteristic index indicating characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- calculating a second swing index different from the first swing index;
- determining, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- and
- selecting, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft for the second golf club having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the second candidate shafts for the second golf club, the distribution of flexural stiffness of the second candidate shaft is compared with said distribution of flexural stiffness of the shaft of the first golf club based on the following equation (1);
- F=F1+F2 (1), wherein
- F1=|A28−B28|+|A20.5−B20.5|+|A13.5−B13.5|
- F2=|(A28−A20.5)−(B28−B20.5)|+|(A20.5−A13.5)−(B20.5−B13.5)|
- A28 is IFC number at a position P1 on the shaft of the first golf club,
- A20.5 is IFC number at a position P2 on the shaft of the first golf club,
- A13.5 is IFC number at a position P3 on the shaft of the first golf club,
- B28 is IFC number at a position P1 on the shaft for the second golf club,
- B20.5 is IFC number at a position P2 on the shaft for the second golf club, and
- B13.5 is IFC number at a position P3 on the shaft for the second golf club;
- and
- from among the second candidate shafts, a shaft or shafts having a smallest F value are selected for the second golf club.
16 more elements
A non-transitory computer-readable storage medium having stored thereon instructions that, when executed by one or more processors, causes the one or more processors to perform a method comprising:
- obtaining measurement values by measuring a swing motion of a first golf club by the golfer with an electronic measuring device;
- calculating, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determining, based on a magnitude of the first swing index, a second optimum characteristic index indicating characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- calculating a second swing index different from the first swing index;
- determining, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- and
- selecting, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft for the second golf club having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the second candidate shafts for the second golf club, the distribution of flexural stiffness of the second candidate shaft is compared with said distribution of flexural stiffness of the shaft of the first golf club based on the following equation (1);
- F=F1+F2 (1), wherein
- F1=|A28−B28|+|A20.5−B20.5|+|A13.5−B13.5|
- F2=|(A28−A20.5)−(B28−B20.5)|+|(A20.5−A13.5)−(B20.5−B13.5)|
- A28 is IFC number at a position P1 on the shaft of the first golf club,
- A20.5 is IFC number at a position P2 on the shaft of the first golf club,
- A13.5 is IFC number at a position P3 on the shaft of the first golf club,
- B28 is IFC number at a position P1 on the shaft for the second golf club,
- B20.5 is IFC number at a position P2 on the shaft for the second golf club, and
- B13.5 is IFC number at a position P3 on the shaft for the second golf club;
- and
- from among the second candidate shafts, a shaft or shafts having a smallest F value are selected for the second golf club.
16 more elements
A fitting device for selecting a golf club suitable for a golfer comprising processing circuitry configured to:
- obtain measurement values by measuring a swing motion of a first golf club by the golfer with a measuring device;
- calculate, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determine, based on a magnitude of the first swing index, a second optimum characteristic index showing characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- select at least one shaft for the second golf club matching the second optimum characteristic index;
- calculate a second swing index different from the first swing index;
- determine, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- select, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club;
- determine, based on the first swing index, a first optimum characteristic index indicating characteristics of the shaft for the first golf club suitable for the golfer, wherein the first optimum characteristic index includes the weight of the shaft for the first golf club or an optimum weight range thereof;
- and
- select, from among first candidate shafts for the first golf club selected as matching the first optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the first candidate shafts for the first golf club selected as matching the first optimum characteristic index, the distribution of flexural stiffness of the first candidate shaft for the first golf club is compared with the distribution of flexural stiffness as the first optimum stiffness index suitable for the golfer based on the following equation (2):
- F=F1+F2 (2), wherein
- F1=|A36−B36|+|A26−B26|+|A16−B16|+|A6−B6|
- F2=|(A36−A26)−(B36−B26)|1(A26−A16)−(B26−B16)|+(A16−A6)−(B16−B6)|
- A36 is IFC number at a position P1 on the shaft having the first optimum stiffness index suitable for the golfer,
- A26 is IFC number at a position P2 on the shaft having the first optimum stiffness index suitable for the golfer,
- A16 is IFC number at a position P3 on the shaft having the first optimum stiffness index suitable for the golfer,
- A6 is IFC number at a position P4 on the shaft having the first optimum stiffness index suitable for the golfer,
- B36 is IFC number at a position P1 on the shaft for the first golf club,
- B26 is IFC number at a position P2 on the shaft for the first golf club,
- B16 is IFC number at a position P3 on the shaft for the first golf club, and
- B6 is IFC number at a position P4 on the shaft for the first golf club, club;
- and
- from among the first candidate shafts, a shaft or shafts having a smallest F value are selected for the first golf club.
21 more elements
A fitting method for selecting a golf club suitable for a golfer, comprising:
- obtaining measurement values by measuring a swing motion of a first golf club by the golfer with a measuring device;
- calculating, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determining, based on a magnitude of the first swing index, a second optimum characteristic index showing characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- selecting at least one shaft for the second golf club matching the second optimum characteristic index;
- calculating a second swing index different from the first swing index;
- determining, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- selecting, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club;
- determining, based on the first swing index, a first optimum characteristic index indicating characteristics of the shaft for the first golf club suitable for the golfer, wherein the first optimum characteristic index includes the weight of the shaft for the first golf club or an optimum weight range thereof;
- and
- selecting, from among first candidate shafts for the first golf club selected as matching the first optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the first candidate shafts for the first golf club selected as matching the first optimum characteristic index, the distribution of flexural stiffness of the first candidate shaft for the first golf club is compared with the distribution of flexural stiffness as the first optimum stiffness index suitable for the golfer based on the following equation (2):
- F=F1+F2 (2), wherein
- F1=|A36−B36|+|A26−B26|+|A16−B16|+|A6−B6|
- F2=|(A36−A26)−(B36−B26)|1(A26−A16)−(B26−B16)|+(A16−A6)−(B16−B6)|
- A36 is IFC number at a position P1 on the shaft having the first optimum stiffness index suitable for the golfer,
- A26 is IFC number at a position P2 on the shaft having the first optimum stiffness index suitable for the golfer,
- A16 is IFC number at a position P3 on the shaft having the first optimum stiffness index suitable for the golfer,
- A6 is IFC number at a position P4 on the shaft having the first optimum stiffness index suitable for the golfer,
- B36 is IFC number at a position P1 on the shaft for the first golf club,
- B26 is IFC number at a position P2 on the shaft for the first golf club,
- B16 is IFC number at a position P3 on the shaft for the first golf club, and
- B6 is IFC number at a position P4 on the shaft for the first golf club;
- and
- from among the first candidate shafts, a shaft or shafts having a smallest F value are selected for the first golf club.
21 more elements
A non-transitory computer-readable storage medium having stored thereon instructions that, when executed by one or more processors, causes the one or more processors to perform a method comprising:
- obtaining measurement values by measuring a swing motion of a first golf club by the golfer with a measuring device;
- calculating, based on the measurement values, a first swing index related to the swing motion, wherein the first swing index includes at least one of an index indicating power output by the arms of the golfer during the swing motion, an index indicating power input to the first golf club during the swing motion, an index indicating energy exerted by the golfer during the swing motion, and an index indicating torque exerted by the golfer during the swing motion;
- determining, based on a magnitude of the first swing index, a second optimum characteristic index showing characteristics of a shaft for a second golf club different from the first golf club, wherein the second optimum characteristic index includes the weight of the shaft for the second golf club or an optimum weight range thereof;
- selecting at least one shaft for the second golf club matching the second optimum characteristic index;
- calculating a second swing index different from the first swing index;
- determining, based on the second swing index, a first optimum stiffness index suitable for the golfer, wherein the first optimum stiffness index indicates a distribution of flexural stiffness at a plurality of positions of a shaft of the first golf club;
- selecting, from among second candidate shafts for the second golf club selected as matching the second optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club;
- determining, based on the first swing index, a first optimum characteristic index indicating characteristics of the shaft for the first golf club suitable for the golfer, wherein the first optimum characteristic index includes the weight of the shaft for the first golf club or an optimum weight range thereof;
- and
- selecting, from among first candidate shafts for the first golf club selected as matching the first optimum characteristic index, a shaft having a distribution of flexural stiffness close to said distribution of flexural stiffness of the shaft of the first golf club, such that:
- for each of the first candidate shafts for the first golf club selected as matching the first optimum characteristic index, the distribution of flexural stiffness of the first candidate shaft for the first golf club is compared with the distribution of flexural stiffness as the first optimum stiffness index suitable for the golfer based on the following equation (2):
- F=F1+F2 (2), wherein
- F1=|A36−B36|+|A26−B26|+|A16−B16|+|A6−B6|
- F2=|(A36−A26)−(B36−B26)|1(A26−A16)−(B26−B16)|+(A16−A6)−(B16−B6)|
- A36 is IFC number at a position P1 on the shaft having the first optimum stiffness index suitable for the golfer,
- A26 is IFC number at a position P2 on the shaft having the first optimum stiffness index suitable for the golfer,
- A16 is IFC number at a position P3 on the shaft having the first optimum stiffness index suitable for the golfer,
- A6 is IFC number at a position P4 on the shaft having the first optimum stiffness index suitable for the golfer,
- B36 is IFC number at a position P1 on the shaft for the first golf club,
- B26 is IFC number at a position P2 on the shaft for the first golf club,
- B16 is IFC number at a position P3 on the shaft for the first golf club, and
- B6 is IFC number at a position P4 on the shaft for the first golf club;
- and
- from among the first candidate shafts, a shaft or shafts having a smallest F value are selected for the first golf club.
21 more elements
Dependencies are inferred from the claim text.